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description Publicationkeyboard_double_arrow_right Article 2024 AustraliaPublisher:University of Wollongong Authors: Nikidehaghani, Mona; Hui-Truscott, Freda;Localisation of humanitarian aid has emerged as a major issue after the World Humanitarian Summit in 2016 which emphasised the importance of locally-led response as a corrective to power imbalances in the humanitarian system. However, the practical complexities of localised humanitarian aid are yet to be fully discussed. This paper aims to examine the concept of localisation in humanitarian aid through a case study of a local non-governmental organisation, the Cambodian Children's Trust (CCT), in Cambodia. Drawing on the framework of localisation proposed by Baguios et al., (2021), we analyse the application of localisation of child protection programs run by CCT. We provide a holistic understanding of how localisation is conducted in practice, and the impacts it has on the wider humanitarian sector. Our study illustrates that power can be effectively developed to local entities and localisation with empowerment could be achieved despite highly challenging conditions.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2024 AustraliaPublisher:University of Wollongong Authors: Nikidehaghani, Mona; Hui-Truscott, Freda;Localisation of humanitarian aid has emerged as a major issue after the World Humanitarian Summit in 2016 which emphasised the importance of locally-led response as a corrective to power imbalances in the humanitarian system. However, the practical complexities of localised humanitarian aid are yet to be fully discussed. This paper aims to examine the concept of localisation in humanitarian aid through a case study of a local non-governmental organisation, the Cambodian Children's Trust (CCT), in Cambodia. Drawing on the framework of localisation proposed by Baguios et al., (2021), we analyse the application of localisation of child protection programs run by CCT. We provide a holistic understanding of how localisation is conducted in practice, and the impacts it has on the wider humanitarian sector. Our study illustrates that power can be effectively developed to local entities and localisation with empowerment could be achieved despite highly challenging conditions.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Preprint , Report 2000 AustraliaPublisher:Unknown Authors: Tisdell, Clement A.; Tisdell, Clement A.;Points out that sustainability as such does not provide a clearcut guide to policy. First one has to decide what is to be sustained. If this is agreed, it must be in an operational from. However, difficulties may still emerge since opinions may differ about how to achieve. This is illustrated by differences in the views of economists about how sustainable development is to be achieved. Orthodox economists stress the importance of the accumulation of man-made capital to achieve this end whereas neo-Malthusians stress the importance of conserving natural resource and environmental capital. Both take an anthropocentric point of view. For political reasons the neo-Malthusian has had little support but it may eventually turn out to be correct. Economics is concerned with reducing economic scarcity and economists have traditionally suggested four main ways of doing this of which economic growth is one. However, neo-Malthusian economists believe that this may not be a sustainable strategy – it may result in future poverty. It should be noted that economic systems are embedded in social and natural systems and depend on these. Economic sustainability depends on the sustainability of these other systems. So from this point of view, it is just one of several bottom lines. Values must be considered in relation to sustainability. Economics is completely anthropocentric in its approach. Therefore, economic approaches to conservation and sustainability can be at odds with the values of deep ecologists or those willing to accord rights to other sentient beings or ecosystems independent of human wishes, or those who want to make use of value judgments other than those based on the measuring rod of money. Consequently economics evaluation is sometimes ineffective in resolving social conflict, including conflict about what should be sustained. As a rule economics alone should not be the final arbiter of social decisions. It is a part (often an important part) of the social evaluation process but not the bottom line, or just one of many lines.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22004/ag.econ.48004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22004/ag.econ.48004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Preprint , Report 2000 AustraliaPublisher:Unknown Authors: Tisdell, Clement A.; Tisdell, Clement A.;Points out that sustainability as such does not provide a clearcut guide to policy. First one has to decide what is to be sustained. If this is agreed, it must be in an operational from. However, difficulties may still emerge since opinions may differ about how to achieve. This is illustrated by differences in the views of economists about how sustainable development is to be achieved. Orthodox economists stress the importance of the accumulation of man-made capital to achieve this end whereas neo-Malthusians stress the importance of conserving natural resource and environmental capital. Both take an anthropocentric point of view. For political reasons the neo-Malthusian has had little support but it may eventually turn out to be correct. Economics is concerned with reducing economic scarcity and economists have traditionally suggested four main ways of doing this of which economic growth is one. However, neo-Malthusian economists believe that this may not be a sustainable strategy – it may result in future poverty. It should be noted that economic systems are embedded in social and natural systems and depend on these. Economic sustainability depends on the sustainability of these other systems. So from this point of view, it is just one of several bottom lines. Values must be considered in relation to sustainability. Economics is completely anthropocentric in its approach. Therefore, economic approaches to conservation and sustainability can be at odds with the values of deep ecologists or those willing to accord rights to other sentient beings or ecosystems independent of human wishes, or those who want to make use of value judgments other than those based on the measuring rod of money. Consequently economics evaluation is sometimes ineffective in resolving social conflict, including conflict about what should be sustained. As a rule economics alone should not be the final arbiter of social decisions. It is a part (often an important part) of the social evaluation process but not the bottom line, or just one of many lines.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22004/ag.econ.48004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.25680/8367.2018.47.69.001&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018Publisher:India, KK Parekh Commerce College Authors: Huang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); +1 AuthorsHuang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); Wen, Fushuan;With high penetration of renewable energy, the cost of frequency control ancillary services (FCAS) has increased substantially and has become one of the main barriers to utilize clean and inexhaustible wind, solar and like power resources in large scale. After investigating a variety of often used energy storage devices (ESDs), the authors present a tiered energy storage system (TESS) for self-provision of regulation services by wind farms. Designed through employing different characteristics of these ESDs with respect to capacity, responding speed and investment/operation costs, the TESS can be applied for FCAS of power grids integrated with wind farms, including frequency regulation and contingency services. Simulations carried out in the research has verified the feasibility of the TESS.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018Publisher:India, KK Parekh Commerce College Authors: Huang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); +1 AuthorsHuang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); Wen, Fushuan;With high penetration of renewable energy, the cost of frequency control ancillary services (FCAS) has increased substantially and has become one of the main barriers to utilize clean and inexhaustible wind, solar and like power resources in large scale. After investigating a variety of often used energy storage devices (ESDs), the authors present a tiered energy storage system (TESS) for self-provision of regulation services by wind farms. Designed through employing different characteristics of these ESDs with respect to capacity, responding speed and investment/operation costs, the TESS can be applied for FCAS of power grids integrated with wind farms, including frequency regulation and contingency services. Simulations carried out in the research has verified the feasibility of the TESS.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020 FinlandAuthors: Rantanen, Joni;Musta hiili on yksi ilmaston muutokseen eniten vaikuttavimmista partikkeleista. Tyypillisiä lähteitä sille ovat pienpoltto, liikenne ja metsäpalot. Mustan hiilen vaikutus ilmastoon korostuu arktisilla alueilla, joilla se laskeutuu lumipinnoille ja edistää niiden sulamista. Musta hiili syntyy hapettomissa olosuhteissa erilaisista hiilivedyistä. Kaasumaiset hiilivedyt, kuten C2H2, C2H4 ja C6H6, kiinnittyvät toisiinsa ja muodostavat monirenkaisen aromaattisen hiilivedyn. Kun useita monirenkaisia aromaattisia hiilivetyjä yhdistyy, syntyy kiinteä nokipartikkelin ydin. Ydin kasvaa suureksi, haarautuneeksi ja huokoiseksi nokipartikkeliksi toisten nokipartikkeleiden törmätessä siihen. Tässä diplomityössä tutkittiin mustan hiilen syntymistä biomassan pölypoltossa, jossa hienoksi jauhetut kiinteät partikkelit poltetaan siihen suunnitellulla polttimella. Tutkimuksessa käytettiin ANSYS Fluent virtauslaskentaohjelmaa. Tehtiin CFD-mallinnus yksinkertaisesta C2H4 polttimesta, 120 kWth biomassan pölypolttoliekistä sekä 100 MWth biomassan pölypolttolämpölaitoksesta. C2H4 liekkiä mallinnettiin ja tuloksia verrattiin kirjallisuudesta löydettyyn validointidataan, jotta saataisiin ymmärrystä nokimallin toiminnasta. Biomassan pölypolton nokimallinnuksessa on haastavaa sisällyttää noen prekursorit biomassan pyrolyysituotteisiin. Noen prekursori C2H2 päätettiin sisällyttää pyrolyysituotteisiin ja sen pitoisuutta arvioitiin kirjallisuuden ja testimallinnusten perusteella. 120 kWth pölypolttoliekkiä mallinnettiin useilla eri C2H2 pitoisuuksilla ja noen muodostumista seurattiin ja verrattiin kokeelliseen dataan. Noen muodostumista täyden mittakaavan 100 MWth lämpölaitoksessa mallinnettiin pienen mittakaavan malleista opitulla tiedolla. Lämpölaitoksessa tehtiin paljon kokeellisia mittauksia BC Footprint mittauskampanjan aikana ja mallinnuksen tuloksia verrattiin kokeelliseen dataan. Mallinnuksia ja mittauksia tehtiin eri kuormilla. Integroimalla C2H2 biomassan pyrolyysituotteisiin, noen muodostumista voidaan mallintaa suuntaa antavasti. Pyrolyysituotteiden riippuvuus kemiallisesta kinetiikasta täytyy huomioida, jotta noen muodostumista voidaan mallintaa eri kuormilla. Suhteet mustan hiilen päästöissä mittauspisteiden välillä ovat yhteisymmärryksessä mallinnuksen kanssa, mutta pitoisuus on kertaluokkaa suurempi CFD-mallissa. CFD-malli pystyi mallintamaan noen minimipitoisuuden 1.25 mg/Nm3 kattilan pohjalla ja sen lisääntymisen pitoisuuteen 2.25 mg/Nm3 tyhjässä vedossa täydellä 100 MWth kuormalla. Vastaavat pitoisuudet kokeellisissa mittauksissa mittauskampanjan ajalta ovat keskimäärin 90 and 219 µg/Nm3. Mallinnuksesta oli apua kokeellisten tulosten tulkitsemisessa. Jatkotutkimuksia varten pyrolyysikoostumus täytyy huomioida tarkemmin, jotta menetelmällä voitaisiin mallintaa eri biomassojen palamista ja palamista eri polttimissa. Black Carbon (BC) is one of the most influential particles affecting on the climate change. Typical sources for BC are residential combustion, traffic and forest fires. The impact of BC on the climate is emphasized at the arctic regions, where it descends on the snow surfaces and increases the melting. BC is formed from various hydrocarbons at fuel rich conditions. Gaseous hydrocarbons, such as C2H2, C2H4 and C6H6, connect and form Polycyclic Aromatic Hydrocarbons (PAH). When multiple PAHs are combined, a solid BC nucleus is formed. The nucleus grows into a large, branched, porous soot particle as other soot particles collide into it. This thesis studied the formation of BC in pulverized biomass combustion, where finely ground solid particles are combusted with a specifically designed burner. A commercial Computational Fluid Dynamics (CFD) software ANSYS Fluent was used. CFD modeling was performed on a simple C2H4 burner, a 120 kWth pulverized biomass combustion flame and a 100 MWth pulverized biomass combustion boiler. The C2H4 flame was modeled and the results compared with the validation data obtained from literature, to gain an understanding of the soot formation modeling. It is challenging to integrate soot precursors into biomass devolatilization products, when modeling BC formation in pulverized combustion. BC precursor C2H2 was included in the devolatilization products, but its concentration had to be estimated based on the literature and test simulations. The 120 kWth pulverized combustion flame was modeled with different concentrations of C2H2 in the devolatilization products and the formation of BC was observed and compared with experimental data. BC formation in the 100 MWth full scale boiler was modeled with the help of information learned from the small scale CFD models. A large amount of experimental measurements were made at the heating plant during a BC Footprint measurement campaign and the results of the CFD model were compared with the experimental data. Modeling and measurements were carried out under different loads. By integrating C2H2 into the biomass devolatilization products, BC formation can be approximately modeled. Devolatilization products’ dependency on chemical kinetics need to be noticed in order to simulate BC formation under different loads. Relations in BC emissions between measuring points are in agreement with the experimental measurements, but the concentration is an order of magnitude higher in the CFD model. The model was able to predict minimum soot concentration of 1.25 mg/Nm3 at the bottom of the boiler increasing up to 2.25 mg/Nm3 towards the empty pass at full 100 MWth load. Corresponding experimental concentrations are 90 and 219 µg/Nm3 on average, respectively. Results of the CFD model were helpful in explaining the experimental results. For further studies, the devolatilization composition needs to be modeled more accurately in order to model BC formation from different biomasses and in different burners.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020 FinlandAuthors: Rantanen, Joni;Musta hiili on yksi ilmaston muutokseen eniten vaikuttavimmista partikkeleista. Tyypillisiä lähteitä sille ovat pienpoltto, liikenne ja metsäpalot. Mustan hiilen vaikutus ilmastoon korostuu arktisilla alueilla, joilla se laskeutuu lumipinnoille ja edistää niiden sulamista. Musta hiili syntyy hapettomissa olosuhteissa erilaisista hiilivedyistä. Kaasumaiset hiilivedyt, kuten C2H2, C2H4 ja C6H6, kiinnittyvät toisiinsa ja muodostavat monirenkaisen aromaattisen hiilivedyn. Kun useita monirenkaisia aromaattisia hiilivetyjä yhdistyy, syntyy kiinteä nokipartikkelin ydin. Ydin kasvaa suureksi, haarautuneeksi ja huokoiseksi nokipartikkeliksi toisten nokipartikkeleiden törmätessä siihen. Tässä diplomityössä tutkittiin mustan hiilen syntymistä biomassan pölypoltossa, jossa hienoksi jauhetut kiinteät partikkelit poltetaan siihen suunnitellulla polttimella. Tutkimuksessa käytettiin ANSYS Fluent virtauslaskentaohjelmaa. Tehtiin CFD-mallinnus yksinkertaisesta C2H4 polttimesta, 120 kWth biomassan pölypolttoliekistä sekä 100 MWth biomassan pölypolttolämpölaitoksesta. C2H4 liekkiä mallinnettiin ja tuloksia verrattiin kirjallisuudesta löydettyyn validointidataan, jotta saataisiin ymmärrystä nokimallin toiminnasta. Biomassan pölypolton nokimallinnuksessa on haastavaa sisällyttää noen prekursorit biomassan pyrolyysituotteisiin. Noen prekursori C2H2 päätettiin sisällyttää pyrolyysituotteisiin ja sen pitoisuutta arvioitiin kirjallisuuden ja testimallinnusten perusteella. 120 kWth pölypolttoliekkiä mallinnettiin useilla eri C2H2 pitoisuuksilla ja noen muodostumista seurattiin ja verrattiin kokeelliseen dataan. Noen muodostumista täyden mittakaavan 100 MWth lämpölaitoksessa mallinnettiin pienen mittakaavan malleista opitulla tiedolla. Lämpölaitoksessa tehtiin paljon kokeellisia mittauksia BC Footprint mittauskampanjan aikana ja mallinnuksen tuloksia verrattiin kokeelliseen dataan. Mallinnuksia ja mittauksia tehtiin eri kuormilla. Integroimalla C2H2 biomassan pyrolyysituotteisiin, noen muodostumista voidaan mallintaa suuntaa antavasti. Pyrolyysituotteiden riippuvuus kemiallisesta kinetiikasta täytyy huomioida, jotta noen muodostumista voidaan mallintaa eri kuormilla. Suhteet mustan hiilen päästöissä mittauspisteiden välillä ovat yhteisymmärryksessä mallinnuksen kanssa, mutta pitoisuus on kertaluokkaa suurempi CFD-mallissa. CFD-malli pystyi mallintamaan noen minimipitoisuuden 1.25 mg/Nm3 kattilan pohjalla ja sen lisääntymisen pitoisuuteen 2.25 mg/Nm3 tyhjässä vedossa täydellä 100 MWth kuormalla. Vastaavat pitoisuudet kokeellisissa mittauksissa mittauskampanjan ajalta ovat keskimäärin 90 and 219 µg/Nm3. Mallinnuksesta oli apua kokeellisten tulosten tulkitsemisessa. Jatkotutkimuksia varten pyrolyysikoostumus täytyy huomioida tarkemmin, jotta menetelmällä voitaisiin mallintaa eri biomassojen palamista ja palamista eri polttimissa. Black Carbon (BC) is one of the most influential particles affecting on the climate change. Typical sources for BC are residential combustion, traffic and forest fires. The impact of BC on the climate is emphasized at the arctic regions, where it descends on the snow surfaces and increases the melting. BC is formed from various hydrocarbons at fuel rich conditions. Gaseous hydrocarbons, such as C2H2, C2H4 and C6H6, connect and form Polycyclic Aromatic Hydrocarbons (PAH). When multiple PAHs are combined, a solid BC nucleus is formed. The nucleus grows into a large, branched, porous soot particle as other soot particles collide into it. This thesis studied the formation of BC in pulverized biomass combustion, where finely ground solid particles are combusted with a specifically designed burner. A commercial Computational Fluid Dynamics (CFD) software ANSYS Fluent was used. CFD modeling was performed on a simple C2H4 burner, a 120 kWth pulverized biomass combustion flame and a 100 MWth pulverized biomass combustion boiler. The C2H4 flame was modeled and the results compared with the validation data obtained from literature, to gain an understanding of the soot formation modeling. It is challenging to integrate soot precursors into biomass devolatilization products, when modeling BC formation in pulverized combustion. BC precursor C2H2 was included in the devolatilization products, but its concentration had to be estimated based on the literature and test simulations. The 120 kWth pulverized combustion flame was modeled with different concentrations of C2H2 in the devolatilization products and the formation of BC was observed and compared with experimental data. BC formation in the 100 MWth full scale boiler was modeled with the help of information learned from the small scale CFD models. A large amount of experimental measurements were made at the heating plant during a BC Footprint measurement campaign and the results of the CFD model were compared with the experimental data. Modeling and measurements were carried out under different loads. By integrating C2H2 into the biomass devolatilization products, BC formation can be approximately modeled. Devolatilization products’ dependency on chemical kinetics need to be noticed in order to simulate BC formation under different loads. Relations in BC emissions between measuring points are in agreement with the experimental measurements, but the concentration is an order of magnitude higher in the CFD model. The model was able to predict minimum soot concentration of 1.25 mg/Nm3 at the bottom of the boiler increasing up to 2.25 mg/Nm3 towards the empty pass at full 100 MWth load. Corresponding experimental concentrations are 90 and 219 µg/Nm3 on average, respectively. Results of the CFD model were helpful in explaining the experimental results. For further studies, the devolatilization composition needs to be modeled more accurately in order to model BC formation from different biomasses and in different burners.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 AustraliaPublisher:Australia : Australasian Fluid Mechanics Society handle: 11541.2/142908
Exhaust hoods are commonly used to capture all emissions from stationary combustion systems that are open to the environment, such as residential heaters or stoves. For experimental purposes, emissions are sampled at one, or more, discrete locations downstream in the exhaust duct. Point-wise measurements in the duct are often taken with the assumption that the emissions are homogeneously distributed across the duct cross-section, because the flow is turbulent and therefore believed to be thoroughly mixed. However, the length of such systems is rarely sufficient to ensure fully-developed flow, and the actual homogeneity is seldom assessed. In the present work the mixing within the duct is investigated by simulating the emissions distribution within various hood and duct configurations. The simulations include a straight duct with and without baffles and two different exhaust hood configurations, namely at the Stove Testing Lab at Lawrence Berkeley National Laboratory (LBNL) and at the University of Adelaide that meet standard requirements. The air flow in the ducts was simulated using Reynolds-averaged (RANS) turbulence modelling, with carbon monoxide (CO) as a representative combustion product, injected at three locations in the straight duct and two locations (centre and side) in the exhaust hoods. Simulations predict that, in isolation, neither a straight duct without baffles, nor a hood with a 90° elbow followed by a straight duct without baffles, provide sufficient mixing to achieve a near uniform distribution of CO at the sampling locations. However, simulations show that adequate mixing of dilution air and CO is achieved with baffles-induced flow detachment and recirculation, not from turbulent mixing in the straight section of the duct itself. The simulations also suggest that elbows, baffles, expansions or other geometrical features are needed to induce thorough mixing. For example, in the Stove Testing Lab at LBNL, flow disturbance is induced by an expansion into a larger diameter straight duct immediately downstream of the hood and the 90° elbow. Although these two systems demonstrate sufficient mixing of CO within the exhaust, the RANS simulations in this study suggest that other systems relying solely on mixing within a specified duct length (viz. 8–12 diameters) may not be sufficient. Refereed/Peer-reviewed
UniSA Research Outpu... arrow_drop_down UniSA Research Outputs RepositoryConference object . 2018 . Peer-reviewedData sources: UniSA Research Outputs Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert UniSA Research Outpu... arrow_drop_down UniSA Research Outputs RepositoryConference object . 2018 . Peer-reviewedData sources: UniSA Research Outputs Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 AustraliaPublisher:Australia : Australasian Fluid Mechanics Society handle: 11541.2/142908
Exhaust hoods are commonly used to capture all emissions from stationary combustion systems that are open to the environment, such as residential heaters or stoves. For experimental purposes, emissions are sampled at one, or more, discrete locations downstream in the exhaust duct. Point-wise measurements in the duct are often taken with the assumption that the emissions are homogeneously distributed across the duct cross-section, because the flow is turbulent and therefore believed to be thoroughly mixed. However, the length of such systems is rarely sufficient to ensure fully-developed flow, and the actual homogeneity is seldom assessed. In the present work the mixing within the duct is investigated by simulating the emissions distribution within various hood and duct configurations. The simulations include a straight duct with and without baffles and two different exhaust hood configurations, namely at the Stove Testing Lab at Lawrence Berkeley National Laboratory (LBNL) and at the University of Adelaide that meet standard requirements. The air flow in the ducts was simulated using Reynolds-averaged (RANS) turbulence modelling, with carbon monoxide (CO) as a representative combustion product, injected at three locations in the straight duct and two locations (centre and side) in the exhaust hoods. Simulations predict that, in isolation, neither a straight duct without baffles, nor a hood with a 90° elbow followed by a straight duct without baffles, provide sufficient mixing to achieve a near uniform distribution of CO at the sampling locations. However, simulations show that adequate mixing of dilution air and CO is achieved with baffles-induced flow detachment and recirculation, not from turbulent mixing in the straight section of the duct itself. The simulations also suggest that elbows, baffles, expansions or other geometrical features are needed to induce thorough mixing. For example, in the Stove Testing Lab at LBNL, flow disturbance is induced by an expansion into a larger diameter straight duct immediately downstream of the hood and the 90° elbow. Although these two systems demonstrate sufficient mixing of CO within the exhaust, the RANS simulations in this study suggest that other systems relying solely on mixing within a specified duct length (viz. 8–12 diameters) may not be sufficient. Refereed/Peer-reviewed
UniSA Research Outpu... arrow_drop_down UniSA Research Outputs RepositoryConference object . 2018 . Peer-reviewedData sources: UniSA Research Outputs Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article 2024 AustraliaPublisher:University of Wollongong Authors: Nikidehaghani, Mona; Hui-Truscott, Freda;Localisation of humanitarian aid has emerged as a major issue after the World Humanitarian Summit in 2016 which emphasised the importance of locally-led response as a corrective to power imbalances in the humanitarian system. However, the practical complexities of localised humanitarian aid are yet to be fully discussed. This paper aims to examine the concept of localisation in humanitarian aid through a case study of a local non-governmental organisation, the Cambodian Children's Trust (CCT), in Cambodia. Drawing on the framework of localisation proposed by Baguios et al., (2021), we analyse the application of localisation of child protection programs run by CCT. We provide a holistic understanding of how localisation is conducted in practice, and the impacts it has on the wider humanitarian sector. Our study illustrates that power can be effectively developed to local entities and localisation with empowerment could be achieved despite highly challenging conditions.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2024 AustraliaPublisher:University of Wollongong Authors: Nikidehaghani, Mona; Hui-Truscott, Freda;Localisation of humanitarian aid has emerged as a major issue after the World Humanitarian Summit in 2016 which emphasised the importance of locally-led response as a corrective to power imbalances in the humanitarian system. However, the practical complexities of localised humanitarian aid are yet to be fully discussed. This paper aims to examine the concept of localisation in humanitarian aid through a case study of a local non-governmental organisation, the Cambodian Children's Trust (CCT), in Cambodia. Drawing on the framework of localisation proposed by Baguios et al., (2021), we analyse the application of localisation of child protection programs run by CCT. We provide a holistic understanding of how localisation is conducted in practice, and the impacts it has on the wider humanitarian sector. Our study illustrates that power can be effectively developed to local entities and localisation with empowerment could be achieved despite highly challenging conditions.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::92b4899b1d4daac78688fefc982e6936&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::92b4899b1d4daac78688fefc982e6936&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Preprint , Report 2000 AustraliaPublisher:Unknown Authors: Tisdell, Clement A.; Tisdell, Clement A.;Points out that sustainability as such does not provide a clearcut guide to policy. First one has to decide what is to be sustained. If this is agreed, it must be in an operational from. However, difficulties may still emerge since opinions may differ about how to achieve. This is illustrated by differences in the views of economists about how sustainable development is to be achieved. Orthodox economists stress the importance of the accumulation of man-made capital to achieve this end whereas neo-Malthusians stress the importance of conserving natural resource and environmental capital. Both take an anthropocentric point of view. For political reasons the neo-Malthusian has had little support but it may eventually turn out to be correct. Economics is concerned with reducing economic scarcity and economists have traditionally suggested four main ways of doing this of which economic growth is one. However, neo-Malthusian economists believe that this may not be a sustainable strategy – it may result in future poverty. It should be noted that economic systems are embedded in social and natural systems and depend on these. Economic sustainability depends on the sustainability of these other systems. So from this point of view, it is just one of several bottom lines. Values must be considered in relation to sustainability. Economics is completely anthropocentric in its approach. Therefore, economic approaches to conservation and sustainability can be at odds with the values of deep ecologists or those willing to accord rights to other sentient beings or ecosystems independent of human wishes, or those who want to make use of value judgments other than those based on the measuring rod of money. Consequently economics evaluation is sometimes ineffective in resolving social conflict, including conflict about what should be sustained. As a rule economics alone should not be the final arbiter of social decisions. It is a part (often an important part) of the social evaluation process but not the bottom line, or just one of many lines.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Preprint , Report 2000 AustraliaPublisher:Unknown Authors: Tisdell, Clement A.; Tisdell, Clement A.;Points out that sustainability as such does not provide a clearcut guide to policy. First one has to decide what is to be sustained. If this is agreed, it must be in an operational from. However, difficulties may still emerge since opinions may differ about how to achieve. This is illustrated by differences in the views of economists about how sustainable development is to be achieved. Orthodox economists stress the importance of the accumulation of man-made capital to achieve this end whereas neo-Malthusians stress the importance of conserving natural resource and environmental capital. Both take an anthropocentric point of view. For political reasons the neo-Malthusian has had little support but it may eventually turn out to be correct. Economics is concerned with reducing economic scarcity and economists have traditionally suggested four main ways of doing this of which economic growth is one. However, neo-Malthusian economists believe that this may not be a sustainable strategy – it may result in future poverty. It should be noted that economic systems are embedded in social and natural systems and depend on these. Economic sustainability depends on the sustainability of these other systems. So from this point of view, it is just one of several bottom lines. Values must be considered in relation to sustainability. Economics is completely anthropocentric in its approach. Therefore, economic approaches to conservation and sustainability can be at odds with the values of deep ecologists or those willing to accord rights to other sentient beings or ecosystems independent of human wishes, or those who want to make use of value judgments other than those based on the measuring rod of money. Consequently economics evaluation is sometimes ineffective in resolving social conflict, including conflict about what should be sustained. As a rule economics alone should not be the final arbiter of social decisions. It is a part (often an important part) of the social evaluation process but not the bottom line, or just one of many lines.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018Publisher:India, KK Parekh Commerce College Authors: Huang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); +1 AuthorsHuang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); Wen, Fushuan;With high penetration of renewable energy, the cost of frequency control ancillary services (FCAS) has increased substantially and has become one of the main barriers to utilize clean and inexhaustible wind, solar and like power resources in large scale. After investigating a variety of often used energy storage devices (ESDs), the authors present a tiered energy storage system (TESS) for self-provision of regulation services by wind farms. Designed through employing different characteristics of these ESDs with respect to capacity, responding speed and investment/operation costs, the TESS can be applied for FCAS of power grids integrated with wind farms, including frequency regulation and contingency services. Simulations carried out in the research has verified the feasibility of the TESS.
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more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::1d2820aacdea54aba89944434b51a78e&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018Publisher:India, KK Parekh Commerce College Authors: Huang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); +1 AuthorsHuang, Jiansheng (R9337); Negnevitsky, Michael; Jiang, Zhuhan (R10087); Rylands, Leanne (R8511); Wen, Fushuan;With high penetration of renewable energy, the cost of frequency control ancillary services (FCAS) has increased substantially and has become one of the main barriers to utilize clean and inexhaustible wind, solar and like power resources in large scale. After investigating a variety of often used energy storage devices (ESDs), the authors present a tiered energy storage system (TESS) for self-provision of regulation services by wind farms. Designed through employing different characteristics of these ESDs with respect to capacity, responding speed and investment/operation costs, the TESS can be applied for FCAS of power grids integrated with wind farms, including frequency regulation and contingency services. Simulations carried out in the research has verified the feasibility of the TESS.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020 FinlandAuthors: Rantanen, Joni;Musta hiili on yksi ilmaston muutokseen eniten vaikuttavimmista partikkeleista. Tyypillisiä lähteitä sille ovat pienpoltto, liikenne ja metsäpalot. Mustan hiilen vaikutus ilmastoon korostuu arktisilla alueilla, joilla se laskeutuu lumipinnoille ja edistää niiden sulamista. Musta hiili syntyy hapettomissa olosuhteissa erilaisista hiilivedyistä. Kaasumaiset hiilivedyt, kuten C2H2, C2H4 ja C6H6, kiinnittyvät toisiinsa ja muodostavat monirenkaisen aromaattisen hiilivedyn. Kun useita monirenkaisia aromaattisia hiilivetyjä yhdistyy, syntyy kiinteä nokipartikkelin ydin. Ydin kasvaa suureksi, haarautuneeksi ja huokoiseksi nokipartikkeliksi toisten nokipartikkeleiden törmätessä siihen. Tässä diplomityössä tutkittiin mustan hiilen syntymistä biomassan pölypoltossa, jossa hienoksi jauhetut kiinteät partikkelit poltetaan siihen suunnitellulla polttimella. Tutkimuksessa käytettiin ANSYS Fluent virtauslaskentaohjelmaa. Tehtiin CFD-mallinnus yksinkertaisesta C2H4 polttimesta, 120 kWth biomassan pölypolttoliekistä sekä 100 MWth biomassan pölypolttolämpölaitoksesta. C2H4 liekkiä mallinnettiin ja tuloksia verrattiin kirjallisuudesta löydettyyn validointidataan, jotta saataisiin ymmärrystä nokimallin toiminnasta. Biomassan pölypolton nokimallinnuksessa on haastavaa sisällyttää noen prekursorit biomassan pyrolyysituotteisiin. Noen prekursori C2H2 päätettiin sisällyttää pyrolyysituotteisiin ja sen pitoisuutta arvioitiin kirjallisuuden ja testimallinnusten perusteella. 120 kWth pölypolttoliekkiä mallinnettiin useilla eri C2H2 pitoisuuksilla ja noen muodostumista seurattiin ja verrattiin kokeelliseen dataan. Noen muodostumista täyden mittakaavan 100 MWth lämpölaitoksessa mallinnettiin pienen mittakaavan malleista opitulla tiedolla. Lämpölaitoksessa tehtiin paljon kokeellisia mittauksia BC Footprint mittauskampanjan aikana ja mallinnuksen tuloksia verrattiin kokeelliseen dataan. Mallinnuksia ja mittauksia tehtiin eri kuormilla. Integroimalla C2H2 biomassan pyrolyysituotteisiin, noen muodostumista voidaan mallintaa suuntaa antavasti. Pyrolyysituotteiden riippuvuus kemiallisesta kinetiikasta täytyy huomioida, jotta noen muodostumista voidaan mallintaa eri kuormilla. Suhteet mustan hiilen päästöissä mittauspisteiden välillä ovat yhteisymmärryksessä mallinnuksen kanssa, mutta pitoisuus on kertaluokkaa suurempi CFD-mallissa. CFD-malli pystyi mallintamaan noen minimipitoisuuden 1.25 mg/Nm3 kattilan pohjalla ja sen lisääntymisen pitoisuuteen 2.25 mg/Nm3 tyhjässä vedossa täydellä 100 MWth kuormalla. Vastaavat pitoisuudet kokeellisissa mittauksissa mittauskampanjan ajalta ovat keskimäärin 90 and 219 µg/Nm3. Mallinnuksesta oli apua kokeellisten tulosten tulkitsemisessa. Jatkotutkimuksia varten pyrolyysikoostumus täytyy huomioida tarkemmin, jotta menetelmällä voitaisiin mallintaa eri biomassojen palamista ja palamista eri polttimissa. Black Carbon (BC) is one of the most influential particles affecting on the climate change. Typical sources for BC are residential combustion, traffic and forest fires. The impact of BC on the climate is emphasized at the arctic regions, where it descends on the snow surfaces and increases the melting. BC is formed from various hydrocarbons at fuel rich conditions. Gaseous hydrocarbons, such as C2H2, C2H4 and C6H6, connect and form Polycyclic Aromatic Hydrocarbons (PAH). When multiple PAHs are combined, a solid BC nucleus is formed. The nucleus grows into a large, branched, porous soot particle as other soot particles collide into it. This thesis studied the formation of BC in pulverized biomass combustion, where finely ground solid particles are combusted with a specifically designed burner. A commercial Computational Fluid Dynamics (CFD) software ANSYS Fluent was used. CFD modeling was performed on a simple C2H4 burner, a 120 kWth pulverized biomass combustion flame and a 100 MWth pulverized biomass combustion boiler. The C2H4 flame was modeled and the results compared with the validation data obtained from literature, to gain an understanding of the soot formation modeling. It is challenging to integrate soot precursors into biomass devolatilization products, when modeling BC formation in pulverized combustion. BC precursor C2H2 was included in the devolatilization products, but its concentration had to be estimated based on the literature and test simulations. The 120 kWth pulverized combustion flame was modeled with different concentrations of C2H2 in the devolatilization products and the formation of BC was observed and compared with experimental data. BC formation in the 100 MWth full scale boiler was modeled with the help of information learned from the small scale CFD models. A large amount of experimental measurements were made at the heating plant during a BC Footprint measurement campaign and the results of the CFD model were compared with the experimental data. Modeling and measurements were carried out under different loads. By integrating C2H2 into the biomass devolatilization products, BC formation can be approximately modeled. Devolatilization products’ dependency on chemical kinetics need to be noticed in order to simulate BC formation under different loads. Relations in BC emissions between measuring points are in agreement with the experimental measurements, but the concentration is an order of magnitude higher in the CFD model. The model was able to predict minimum soot concentration of 1.25 mg/Nm3 at the bottom of the boiler increasing up to 2.25 mg/Nm3 towards the empty pass at full 100 MWth load. Corresponding experimental concentrations are 90 and 219 µg/Nm3 on average, respectively. Results of the CFD model were helpful in explaining the experimental results. For further studies, the devolatilization composition needs to be modeled more accurately in order to model BC formation from different biomasses and in different burners.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020 FinlandAuthors: Rantanen, Joni;Musta hiili on yksi ilmaston muutokseen eniten vaikuttavimmista partikkeleista. Tyypillisiä lähteitä sille ovat pienpoltto, liikenne ja metsäpalot. Mustan hiilen vaikutus ilmastoon korostuu arktisilla alueilla, joilla se laskeutuu lumipinnoille ja edistää niiden sulamista. Musta hiili syntyy hapettomissa olosuhteissa erilaisista hiilivedyistä. Kaasumaiset hiilivedyt, kuten C2H2, C2H4 ja C6H6, kiinnittyvät toisiinsa ja muodostavat monirenkaisen aromaattisen hiilivedyn. Kun useita monirenkaisia aromaattisia hiilivetyjä yhdistyy, syntyy kiinteä nokipartikkelin ydin. Ydin kasvaa suureksi, haarautuneeksi ja huokoiseksi nokipartikkeliksi toisten nokipartikkeleiden törmätessä siihen. Tässä diplomityössä tutkittiin mustan hiilen syntymistä biomassan pölypoltossa, jossa hienoksi jauhetut kiinteät partikkelit poltetaan siihen suunnitellulla polttimella. Tutkimuksessa käytettiin ANSYS Fluent virtauslaskentaohjelmaa. Tehtiin CFD-mallinnus yksinkertaisesta C2H4 polttimesta, 120 kWth biomassan pölypolttoliekistä sekä 100 MWth biomassan pölypolttolämpölaitoksesta. C2H4 liekkiä mallinnettiin ja tuloksia verrattiin kirjallisuudesta löydettyyn validointidataan, jotta saataisiin ymmärrystä nokimallin toiminnasta. Biomassan pölypolton nokimallinnuksessa on haastavaa sisällyttää noen prekursorit biomassan pyrolyysituotteisiin. Noen prekursori C2H2 päätettiin sisällyttää pyrolyysituotteisiin ja sen pitoisuutta arvioitiin kirjallisuuden ja testimallinnusten perusteella. 120 kWth pölypolttoliekkiä mallinnettiin useilla eri C2H2 pitoisuuksilla ja noen muodostumista seurattiin ja verrattiin kokeelliseen dataan. Noen muodostumista täyden mittakaavan 100 MWth lämpölaitoksessa mallinnettiin pienen mittakaavan malleista opitulla tiedolla. Lämpölaitoksessa tehtiin paljon kokeellisia mittauksia BC Footprint mittauskampanjan aikana ja mallinnuksen tuloksia verrattiin kokeelliseen dataan. Mallinnuksia ja mittauksia tehtiin eri kuormilla. Integroimalla C2H2 biomassan pyrolyysituotteisiin, noen muodostumista voidaan mallintaa suuntaa antavasti. Pyrolyysituotteiden riippuvuus kemiallisesta kinetiikasta täytyy huomioida, jotta noen muodostumista voidaan mallintaa eri kuormilla. Suhteet mustan hiilen päästöissä mittauspisteiden välillä ovat yhteisymmärryksessä mallinnuksen kanssa, mutta pitoisuus on kertaluokkaa suurempi CFD-mallissa. CFD-malli pystyi mallintamaan noen minimipitoisuuden 1.25 mg/Nm3 kattilan pohjalla ja sen lisääntymisen pitoisuuteen 2.25 mg/Nm3 tyhjässä vedossa täydellä 100 MWth kuormalla. Vastaavat pitoisuudet kokeellisissa mittauksissa mittauskampanjan ajalta ovat keskimäärin 90 and 219 µg/Nm3. Mallinnuksesta oli apua kokeellisten tulosten tulkitsemisessa. Jatkotutkimuksia varten pyrolyysikoostumus täytyy huomioida tarkemmin, jotta menetelmällä voitaisiin mallintaa eri biomassojen palamista ja palamista eri polttimissa. Black Carbon (BC) is one of the most influential particles affecting on the climate change. Typical sources for BC are residential combustion, traffic and forest fires. The impact of BC on the climate is emphasized at the arctic regions, where it descends on the snow surfaces and increases the melting. BC is formed from various hydrocarbons at fuel rich conditions. Gaseous hydrocarbons, such as C2H2, C2H4 and C6H6, connect and form Polycyclic Aromatic Hydrocarbons (PAH). When multiple PAHs are combined, a solid BC nucleus is formed. The nucleus grows into a large, branched, porous soot particle as other soot particles collide into it. This thesis studied the formation of BC in pulverized biomass combustion, where finely ground solid particles are combusted with a specifically designed burner. A commercial Computational Fluid Dynamics (CFD) software ANSYS Fluent was used. CFD modeling was performed on a simple C2H4 burner, a 120 kWth pulverized biomass combustion flame and a 100 MWth pulverized biomass combustion boiler. The C2H4 flame was modeled and the results compared with the validation data obtained from literature, to gain an understanding of the soot formation modeling. It is challenging to integrate soot precursors into biomass devolatilization products, when modeling BC formation in pulverized combustion. BC precursor C2H2 was included in the devolatilization products, but its concentration had to be estimated based on the literature and test simulations. The 120 kWth pulverized combustion flame was modeled with different concentrations of C2H2 in the devolatilization products and the formation of BC was observed and compared with experimental data. BC formation in the 100 MWth full scale boiler was modeled with the help of information learned from the small scale CFD models. A large amount of experimental measurements were made at the heating plant during a BC Footprint measurement campaign and the results of the CFD model were compared with the experimental data. Modeling and measurements were carried out under different loads. By integrating C2H2 into the biomass devolatilization products, BC formation can be approximately modeled. Devolatilization products’ dependency on chemical kinetics need to be noticed in order to simulate BC formation under different loads. Relations in BC emissions between measuring points are in agreement with the experimental measurements, but the concentration is an order of magnitude higher in the CFD model. The model was able to predict minimum soot concentration of 1.25 mg/Nm3 at the bottom of the boiler increasing up to 2.25 mg/Nm3 towards the empty pass at full 100 MWth load. Corresponding experimental concentrations are 90 and 219 µg/Nm3 on average, respectively. Results of the CFD model were helpful in explaining the experimental results. For further studies, the devolatilization composition needs to be modeled more accurately in order to model BC formation from different biomasses and in different burners.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 AustraliaPublisher:Australia : Australasian Fluid Mechanics Society handle: 11541.2/142908
Exhaust hoods are commonly used to capture all emissions from stationary combustion systems that are open to the environment, such as residential heaters or stoves. For experimental purposes, emissions are sampled at one, or more, discrete locations downstream in the exhaust duct. Point-wise measurements in the duct are often taken with the assumption that the emissions are homogeneously distributed across the duct cross-section, because the flow is turbulent and therefore believed to be thoroughly mixed. However, the length of such systems is rarely sufficient to ensure fully-developed flow, and the actual homogeneity is seldom assessed. In the present work the mixing within the duct is investigated by simulating the emissions distribution within various hood and duct configurations. The simulations include a straight duct with and without baffles and two different exhaust hood configurations, namely at the Stove Testing Lab at Lawrence Berkeley National Laboratory (LBNL) and at the University of Adelaide that meet standard requirements. The air flow in the ducts was simulated using Reynolds-averaged (RANS) turbulence modelling, with carbon monoxide (CO) as a representative combustion product, injected at three locations in the straight duct and two locations (centre and side) in the exhaust hoods. Simulations predict that, in isolation, neither a straight duct without baffles, nor a hood with a 90° elbow followed by a straight duct without baffles, provide sufficient mixing to achieve a near uniform distribution of CO at the sampling locations. However, simulations show that adequate mixing of dilution air and CO is achieved with baffles-induced flow detachment and recirculation, not from turbulent mixing in the straight section of the duct itself. The simulations also suggest that elbows, baffles, expansions or other geometrical features are needed to induce thorough mixing. For example, in the Stove Testing Lab at LBNL, flow disturbance is induced by an expansion into a larger diameter straight duct immediately downstream of the hood and the 90° elbow. Although these two systems demonstrate sufficient mixing of CO within the exhaust, the RANS simulations in this study suggest that other systems relying solely on mixing within a specified duct length (viz. 8–12 diameters) may not be sufficient. Refereed/Peer-reviewed
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 AustraliaPublisher:Australia : Australasian Fluid Mechanics Society handle: 11541.2/142908
Exhaust hoods are commonly used to capture all emissions from stationary combustion systems that are open to the environment, such as residential heaters or stoves. For experimental purposes, emissions are sampled at one, or more, discrete locations downstream in the exhaust duct. Point-wise measurements in the duct are often taken with the assumption that the emissions are homogeneously distributed across the duct cross-section, because the flow is turbulent and therefore believed to be thoroughly mixed. However, the length of such systems is rarely sufficient to ensure fully-developed flow, and the actual homogeneity is seldom assessed. In the present work the mixing within the duct is investigated by simulating the emissions distribution within various hood and duct configurations. The simulations include a straight duct with and without baffles and two different exhaust hood configurations, namely at the Stove Testing Lab at Lawrence Berkeley National Laboratory (LBNL) and at the University of Adelaide that meet standard requirements. The air flow in the ducts was simulated using Reynolds-averaged (RANS) turbulence modelling, with carbon monoxide (CO) as a representative combustion product, injected at three locations in the straight duct and two locations (centre and side) in the exhaust hoods. Simulations predict that, in isolation, neither a straight duct without baffles, nor a hood with a 90° elbow followed by a straight duct without baffles, provide sufficient mixing to achieve a near uniform distribution of CO at the sampling locations. However, simulations show that adequate mixing of dilution air and CO is achieved with baffles-induced flow detachment and recirculation, not from turbulent mixing in the straight section of the duct itself. The simulations also suggest that elbows, baffles, expansions or other geometrical features are needed to induce thorough mixing. For example, in the Stove Testing Lab at LBNL, flow disturbance is induced by an expansion into a larger diameter straight duct immediately downstream of the hood and the 90° elbow. Although these two systems demonstrate sufficient mixing of CO within the exhaust, the RANS simulations in this study suggest that other systems relying solely on mixing within a specified duct length (viz. 8–12 diameters) may not be sufficient. Refereed/Peer-reviewed
UniSA Research Outpu... arrow_drop_down UniSA Research Outputs RepositoryConference object . 2018 . Peer-reviewedData sources: UniSA Research Outputs Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert UniSA Research Outpu... arrow_drop_down UniSA Research Outputs RepositoryConference object . 2018 . Peer-reviewedData sources: UniSA Research Outputs Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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