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  • The potential of decentral heat pumps as flexibility option for decarbonised energy systems

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article 2024Publisher:Springer Science and Business Media LLCFunded by:EC | AURES II
    Authors: Franziska Schöniger; Philipp Mascherbauer; Gustav Resch; Lukas Kranzl; +1 Authors

    doi: 10.1007/s12053-024-10206-z

    AbstractDecarbonising the energy system requires high shares of variable renewable generation and sector coupling like power to heat. In addition to heat supply, heat pumps can be used in future energy systems to provide flexibility to the electricity system by using the thermal storage potential of the building stock and buffer tanks to shift electricity demand to hours of high renewable electricity production. Bridging the gap between two methodological approaches, we coupled a detailed building technology operation model and the open-source energy system model Balmorel to evaluate the flexibility potential that decentral heat pumps can provide to the electricity system. Austria in the year 2030 serves as an example of a 100% renewable-based electricity system (at an annual national balance). Results show that system benefits from heat pump flexibility are relatively limited in extent and concentrated on short-term flexibility. Flexible heat pumps reduce system cost, CO2 emissions, and photovoltaics and wind curtailment in all scenarios. The amount of electricity shifted in the assessed standard flexibility scenario is 194 GWhel and accounts for about 20% of the available flexible heat pump electricity demand. A comparison of different modelling approaches and a deterministic sensitivity analysis of key input parameters complement the modelling. The most important input parameters impacting heat pump flexibility are the flexible capacity (determined by installed capacity and share of control), shifting time limitations, and cost assumptions for the flexibility provided. Heat pump flexibility contributes more to increasing low residual loads (up to 22% in the assessed scenarios) than decreasing residual load peaks. Wind power integration benefits more from heat pump flexibility than photovoltaics because of the temporal correlation between heat demand and wind generation.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Energy Efficiency
    Article . 2024 . Peer-reviewed
    License: CC BY
    Data sources: Crossref
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Energy Efficiency
      Article . 2024 . Peer-reviewed
      License: CC BY
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  • The potential of decentral heat pumps as flexibility option for decarbonised energy systems

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article 2024Publisher:Springer Science and Business Media LLCFunded by:EC | AURES II
    Authors: Franziska Schöniger; Philipp Mascherbauer; Gustav Resch; Lukas Kranzl; +1 Authors

    doi: 10.1007/s12053-024-10206-z

    AbstractDecarbonising the energy system requires high shares of variable renewable generation and sector coupling like power to heat. In addition to heat supply, heat pumps can be used in future energy systems to provide flexibility to the electricity system by using the thermal storage potential of the building stock and buffer tanks to shift electricity demand to hours of high renewable electricity production. Bridging the gap between two methodological approaches, we coupled a detailed building technology operation model and the open-source energy system model Balmorel to evaluate the flexibility potential that decentral heat pumps can provide to the electricity system. Austria in the year 2030 serves as an example of a 100% renewable-based electricity system (at an annual national balance). Results show that system benefits from heat pump flexibility are relatively limited in extent and concentrated on short-term flexibility. Flexible heat pumps reduce system cost, CO2 emissions, and photovoltaics and wind curtailment in all scenarios. The amount of electricity shifted in the assessed standard flexibility scenario is 194 GWhel and accounts for about 20% of the available flexible heat pump electricity demand. A comparison of different modelling approaches and a deterministic sensitivity analysis of key input parameters complement the modelling. The most important input parameters impacting heat pump flexibility are the flexible capacity (determined by installed capacity and share of control), shifting time limitations, and cost assumptions for the flexibility provided. Heat pump flexibility contributes more to increasing low residual loads (up to 22% in the assessed scenarios) than decreasing residual load peaks. Wind power integration benefits more from heat pump flexibility than photovoltaics because of the temporal correlation between heat demand and wind generation.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Energy Efficiency
    Article . 2024 . Peer-reviewed
    License: CC BY
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Energy Efficiency
      Article . 2024 . Peer-reviewed
      License: CC BY
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  • Modeling micro-turbines on the distribution system using identification algorithms

    descriptionPublicationkeyboard_double_arrow_right Conference object , Article 2004Publisher:IEEE
    Authors: Antonio Cano; Francisco Jurado;

    doi: 10.1109/etfa.2003.1248769

    To determine the potential impacts of micro-turbines on future distribution system, dynamic models of micro-turbines should be created, reduced in order, and scattered throughout test feeders. This paper presents the implementation of an efficient method for computing low order linear system models of micro-turbines from time domain simulations. The method is the Box-Jenkins algorithm for calculating the transfer function of a linear system from samples of its input and output.

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  • Modeling micro-turbines on the distribution system using identification algorithms

    descriptionPublicationkeyboard_double_arrow_right Conference object , Article 2004Publisher:IEEE
    Authors: Antonio Cano; Francisco Jurado;

    doi: 10.1109/etfa.2003.1248769

    To determine the potential impacts of micro-turbines on future distribution system, dynamic models of micro-turbines should be created, reduced in order, and scattered throughout test feeders. This paper presents the implementation of an efficient method for computing low order linear system models of micro-turbines from time domain simulations. The method is the Box-Jenkins algorithm for calculating the transfer function of a linear system from samples of its input and output.

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  • Acute Alcohol Exposure Impairs Fracture Healing and Deregulates β‐Catenin Signaling in the Fracture Callus

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2012Publisher:Wiley
    Authors: Kristen L. Lauing; John J. Callaci; Rachel K. Nauer; Philip M. Roper;

    doi: 10.1111/j.1530-0277.2012.01830.x

    pmid: 22691115

    pmc: PMC3443513

    BackgroundAlcohol abuse is a risk factor for bone damage and fracture‐related complications. Through precise β‐catenin signaling, canonical Wnt signaling plays a key role in fracture repair by promoting the differentiation of new bone and cartilage cells. In this study, we examined the effects of alcohol on the Wnt pathway in injured bone using a murine model of alcohol‐induced impaired fracture healing.MethodsMale C57Bl/6 or T cell factor (TCF)‐transgenic mice were administered 3 daily intraperitoneal doses of alcohol or saline. One hour following the final injection, mice were subjected to a stabilized, mid‐shaft tibial fracture. Injured and contralateral tibias were harvested at 6, 9, or 14 days post‐fracture for the analysis of biomechanical strength, callus tissue composition, and Wnt/β‐catenin signaling.ResultsAcute alcohol treatment was associated with a significant decrease in fracture callus volume, diameter, and biomechanical strength at day 14 post‐fracture. Histology revealed an alcohol‐related reduction in cartilage and bone formation at the fracture site, and that alcohol inhibited normal cartilage maturation. Acute alcohol exposure caused a significant 2.3‐fold increase in total β‐catenin protein at day 6 and a significant decrease of 53 and 56% at days 9 and 14, respectively. lacZ staining in β‐galactosidase‐expressing TCF‐transgenic mice revealed spatial and quantitative differences in Wnt‐specific transcriptional activation at day 6 in the alcohol group. Days 9 and 14 post‐fracture showed that acute alcohol exposure decreased Wnt transcriptional activation, which correlates with the modulation of total β‐catenin protein levels observed at these time points.ConclusionsAcute alcohol exposure resulted in significant impairment of fracture callus tissue formation, perturbation of the key Wnt pathway protein β‐catenin, and disruption of normal Wnt‐mediated transcription. These data suggest that the canonical Wnt pathway is a target for alcohol in bone and may partially explain why impaired fracture healing is observed in alcohol‐abusing individuals.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
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    Alcoholism Clinical and Experimental Research
    Article
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2012 . Peer-reviewed
    License: Wiley Online Library User Agreement
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    Alcoholism Clinical and Experimental Research
    Article . 2013
    Data sources: Europe PubMed Central
    Alcoholism Clinical and Experimental Research
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
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      Alcoholism Clinical and Experimental Research
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2012 . Peer-reviewed
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      Article . 2013
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  • Acute Alcohol Exposure Impairs Fracture Healing and Deregulates β‐Catenin Signaling in the Fracture Callus

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2012Publisher:Wiley
    Authors: Kristen L. Lauing; John J. Callaci; Rachel K. Nauer; Philip M. Roper;

    doi: 10.1111/j.1530-0277.2012.01830.x

    pmid: 22691115

    pmc: PMC3443513

    BackgroundAlcohol abuse is a risk factor for bone damage and fracture‐related complications. Through precise β‐catenin signaling, canonical Wnt signaling plays a key role in fracture repair by promoting the differentiation of new bone and cartilage cells. In this study, we examined the effects of alcohol on the Wnt pathway in injured bone using a murine model of alcohol‐induced impaired fracture healing.MethodsMale C57Bl/6 or T cell factor (TCF)‐transgenic mice were administered 3 daily intraperitoneal doses of alcohol or saline. One hour following the final injection, mice were subjected to a stabilized, mid‐shaft tibial fracture. Injured and contralateral tibias were harvested at 6, 9, or 14 days post‐fracture for the analysis of biomechanical strength, callus tissue composition, and Wnt/β‐catenin signaling.ResultsAcute alcohol treatment was associated with a significant decrease in fracture callus volume, diameter, and biomechanical strength at day 14 post‐fracture. Histology revealed an alcohol‐related reduction in cartilage and bone formation at the fracture site, and that alcohol inhibited normal cartilage maturation. Acute alcohol exposure caused a significant 2.3‐fold increase in total β‐catenin protein at day 6 and a significant decrease of 53 and 56% at days 9 and 14, respectively. lacZ staining in β‐galactosidase‐expressing TCF‐transgenic mice revealed spatial and quantitative differences in Wnt‐specific transcriptional activation at day 6 in the alcohol group. Days 9 and 14 post‐fracture showed that acute alcohol exposure decreased Wnt transcriptional activation, which correlates with the modulation of total β‐catenin protein levels observed at these time points.ConclusionsAcute alcohol exposure resulted in significant impairment of fracture callus tissue formation, perturbation of the key Wnt pathway protein β‐catenin, and disruption of normal Wnt‐mediated transcription. These data suggest that the canonical Wnt pathway is a target for alcohol in bone and may partially explain why impaired fracture healing is observed in alcohol‐abusing individuals.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2012 . Peer-reviewed
    License: Wiley Online Library User Agreement
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    Alcoholism Clinical and Experimental Research
    Article . 2013
    Data sources: Europe PubMed Central
    Alcoholism Clinical and Experimental Research
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
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      Alcoholism Clinical and Experimental Research
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
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  • Organization of the energy management system on the basis of the university knowledge HUB ; Організація системи енергоменеджменту на базі університетського ХАБ знань

    descriptionPublicationkeyboard_double_arrow_right Article 2021 Ukraine
    Authors: Nifatova, O.;

    Енергоефективність та енергозбереження є пріоритетним напрямком розвитку науки, технологій і техніки в Україні. Проведена в усьому світі політика енергозбереження спрямована на всі галузі і наукові дослідження в усіх сферах. Значним споживачем енергоресурсів є заклади вищої освіти. Актуалізація нормативно-правової та технічної бази, спрямованих на проектування і експлуатацію будівель з низьким рівнем енергоспоживання і високим класом енергоефективності свідчить про необхідність короткострокового вирішення проблеми. При цьому має місце відсутність системного погляду на енергоефективність, що не дозволяє оцінити рівень витрат енергоресурсів на всьому протязі життєвого циклу закладів вищої освіти, що показує необхідність пошуку ефективних шляхів вирішення проблеми. Для оцінки впливу факторів на електроспоживання та енергоефективність Київського національного університету технологій та дизайну було використано метод множинної регресії, проведений статистичний аналіз отриманих даних. В результаті вдалося з'ясувати, що дані електроспоживання не підкоряються закону нормального розподілу, тому побудувати точний прогноз електроспоживання важко. Використання ХАБ знань з енергоефективності дозволило провести більш якісний аналіз і виділити основні фактори, що впливають на електроспоживання. Університет має нерегульоване центральне опалення, системи індивідуального кондиціонування, а також центрального та індивідуального освітлення. У зв'язку з цим для проведення енергетичного моніторингу і енергоаудиту будівель університету було обрано такі основні фактори: середня температура повітря на вулиці, середня тривалість світлового дня, опалювальний період, середня кількість осіб, які працюють в день, протягом місяця. Впровадження запропонованої схеми структурної організації типової системи автоматичного обліку енергоспоживання університету на базі університетського ХАБ знань з енергоефективності: серверу, що дозволяє збирати, зберігати і обробляти дані; маршрутизатори за допомогою різних провідних і бездротових технологій ...

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  • Organization of the energy management system on the basis of the university knowledge HUB ; Організація системи енергоменеджменту на базі університетського ХАБ знань

    descriptionPublicationkeyboard_double_arrow_right Article 2021 Ukraine
    Authors: Nifatova, O.;

    Енергоефективність та енергозбереження є пріоритетним напрямком розвитку науки, технологій і техніки в Україні. Проведена в усьому світі політика енергозбереження спрямована на всі галузі і наукові дослідження в усіх сферах. Значним споживачем енергоресурсів є заклади вищої освіти. Актуалізація нормативно-правової та технічної бази, спрямованих на проектування і експлуатацію будівель з низьким рівнем енергоспоживання і високим класом енергоефективності свідчить про необхідність короткострокового вирішення проблеми. При цьому має місце відсутність системного погляду на енергоефективність, що не дозволяє оцінити рівень витрат енергоресурсів на всьому протязі життєвого циклу закладів вищої освіти, що показує необхідність пошуку ефективних шляхів вирішення проблеми. Для оцінки впливу факторів на електроспоживання та енергоефективність Київського національного університету технологій та дизайну було використано метод множинної регресії, проведений статистичний аналіз отриманих даних. В результаті вдалося з'ясувати, що дані електроспоживання не підкоряються закону нормального розподілу, тому побудувати точний прогноз електроспоживання важко. Використання ХАБ знань з енергоефективності дозволило провести більш якісний аналіз і виділити основні фактори, що впливають на електроспоживання. Університет має нерегульоване центральне опалення, системи індивідуального кондиціонування, а також центрального та індивідуального освітлення. У зв'язку з цим для проведення енергетичного моніторингу і енергоаудиту будівель університету було обрано такі основні фактори: середня температура повітря на вулиці, середня тривалість світлового дня, опалювальний період, середня кількість осіб, які працюють в день, протягом місяця. Впровадження запропонованої схеми структурної організації типової системи автоматичного обліку енергоспоживання університету на базі університетського ХАБ знань з енергоефективності: серверу, що дозволяє збирати, зберігати і обробляти дані; маршрутизатори за допомогою різних провідних і бездротових технологій ...

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  • social innovations for the energy transition an overview of concepts and projects contributing to behavioural changes and increased well being

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    descriptionPublicationkeyboard_double_arrow_right Other literature type , Report 2020 Finland Publisher:Publications Office of the European UnionFunded by:EC | IPODD, EC | SONNET
    Authors: MIKKONEN IRMELI; GYNTHER LEA; MATSCHOSS KAISA; KOUKOUFIKIS GEORGIOS; +2 Authors

    doi: 10.2760/555111

    handle: 10138/322291

    This report reflects upon the concept of social innovation and the way it is used in the energy sector. It does so by bringing together theoretical investigations and empirical knowledge. We aim to clarify the concept of social innovation in the energy sector by reviewing the literature and reflecting over a number of social innovation projects in Europe. The analysis of the projects against various contextual factors and their goals reveals the significant potential of social innovation on accelerating the energy transition while tackling societal problems. Energy production, energy efficiency and energy literacy are the main domains to which socially innovative activities contribute the most. High competences of project leadership and management observed though projects are often small in scale and context-dependent. This indicates that successful socially innovative energy initiatives require advanced bottom-up governance structures even if that may imply limitations for scaling up. This setting may complicate top-down support as legal, financial or even cultural policy-making must be tailor-made and reinvent or adjust continuously. Nevertheless, social innovative activities are expected to further proliferate the following years and move towards a sound environmental, cultural, political, economic and social direction, as knowledge creation and diffusion of technological and governance innovations accompanied with policy support are on the rise. JRC.C.7-Knowledge for the Energy Union

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  • social innovations for the energy transition an overview of concepts and projects contributing to behavioural changes and increased well being

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    descriptionPublicationkeyboard_double_arrow_right Other literature type , Report 2020 Finland Publisher:Publications Office of the European UnionFunded by:EC | IPODD, EC | SONNET
    Authors: MIKKONEN IRMELI; GYNTHER LEA; MATSCHOSS KAISA; KOUKOUFIKIS GEORGIOS; +2 Authors

    doi: 10.2760/555111

    handle: 10138/322291

    This report reflects upon the concept of social innovation and the way it is used in the energy sector. It does so by bringing together theoretical investigations and empirical knowledge. We aim to clarify the concept of social innovation in the energy sector by reviewing the literature and reflecting over a number of social innovation projects in Europe. The analysis of the projects against various contextual factors and their goals reveals the significant potential of social innovation on accelerating the energy transition while tackling societal problems. Energy production, energy efficiency and energy literacy are the main domains to which socially innovative activities contribute the most. High competences of project leadership and management observed though projects are often small in scale and context-dependent. This indicates that successful socially innovative energy initiatives require advanced bottom-up governance structures even if that may imply limitations for scaling up. This setting may complicate top-down support as legal, financial or even cultural policy-making must be tailor-made and reinvent or adjust continuously. Nevertheless, social innovative activities are expected to further proliferate the following years and move towards a sound environmental, cultural, political, economic and social direction, as knowledge creation and diffusion of technological and governance innovations accompanied with policy support are on the rise. JRC.C.7-Knowledge for the Energy Union

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  • Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace

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    descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 2020Publisher:MDPI AG
    Authors: Anatoliy Golovchenko; Roman Dychkovskyi; Yuliya Pazynich; Cáceres Cabana Edgar; +3 Authors

    doi: 10.3390/en13040923

    The paper presents an experimental study on the formation process of burden surface texture on the blast furnace throat and its influence on the radial distribution of gas flow. The study was performed with the application of blast furnaces equipped with a bell-type charging device using radio-isotope means for the control of burden surface texture (profile) and burden surface level, i.e., gamma locators for burden surface texture. The study was carried out under the conditions of an operating blast furnace in an iron and steel plant using a unique GEOTAPS system for automated control of geometric and temperature parameters of burden material surface on the blast furnace throat. The influence of the surface texture on the gas flow distribution was also investigated. The possibility of a self-stabilization effect for burden surface texture and gas flow in an operating blast furnace under suitable conditions was experimentally proven. As a result of the experimental study performed, four ways of energy-saving technology implementation were determined for the control of blast furnace melting based on the data on the burden surface texture and previously unknown regularities of surface layer formation of burden material on the throat of an operating blast furnace with a bell-type charging device. The main idea of the paper is the development of automated control for the radial distribution of burden material and gas flow using actual or predicted surface texture parameters as important intermediate factors that both describe the process and have a significant simultaneous influence on it.

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  • Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace

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    descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 2020Publisher:MDPI AG
    Authors: Anatoliy Golovchenko; Roman Dychkovskyi; Yuliya Pazynich; Cáceres Cabana Edgar; +3 Authors

    doi: 10.3390/en13040923

    The paper presents an experimental study on the formation process of burden surface texture on the blast furnace throat and its influence on the radial distribution of gas flow. The study was performed with the application of blast furnaces equipped with a bell-type charging device using radio-isotope means for the control of burden surface texture (profile) and burden surface level, i.e., gamma locators for burden surface texture. The study was carried out under the conditions of an operating blast furnace in an iron and steel plant using a unique GEOTAPS system for automated control of geometric and temperature parameters of burden material surface on the blast furnace throat. The influence of the surface texture on the gas flow distribution was also investigated. The possibility of a self-stabilization effect for burden surface texture and gas flow in an operating blast furnace under suitable conditions was experimentally proven. As a result of the experimental study performed, four ways of energy-saving technology implementation were determined for the control of blast furnace melting based on the data on the burden surface texture and previously unknown regularities of surface layer formation of burden material on the throat of an operating blast furnace with a bell-type charging device. The main idea of the paper is the development of automated control for the radial distribution of burden material and gas flow using actual or predicted surface texture parameters as important intermediate factors that both describe the process and have a significant simultaneous influence on it.

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      Energies
      Other literature type . 2020
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      Energies
      Article . 2020 . Peer-reviewed
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  • Use of Steel and Polyolefin Fibres in the La Canda Tunnels: Applying MIVES for Assessing Sustainability Evaluation

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    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal , Preprint 2018Publisher:MDPI AG
    Authors: Marcos G. Alberti; Jaime C. Gálvez; Alejandro Enfedaque; Ana Carmona; +2 Authors

    doi: 10.3390/su10124765 , 10.20944/preprints201811.0023.v1

    Construction involves the use of significant quantities of raw materials and entails high-energy consumption. For the sake of choosing the most appropriate solution that considers environmental and sustainable concepts, tools such as the integrated value model for sustainable assessment (Modelo Integrado de Valor para una Evaluación Sostenible, MIVES) used in Spain, plays a key role in obtaining the best solution. MIVES is a multi-criteria decision-making method based on the value function concept and the seminars delivered by experts. Such tools, in order to show how they may work, require application to case studies. In this paper, two concrete slabs manufactured with differing reinforcements during the construction of the La Canda Tunnels are compared by means of MIVES. The two concrete slabs were reinforced with a conventional steel-mesh and with polyolefin fibres. This research was focussed on the main aspects affecting the construction. That is to say, the environmental, economic, and social factors were assessed by the method, being of special impact the issues related with maintenance of the structure. The results showed that from the point of view of sustainability, the use of polyolefin fibres provided a significant advantage, mainly due to the lower maintenance required.

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    Sustainability
    Other literature type . 2018
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    Sustainability
    Article . 2018 . Peer-reviewed
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    https://doi.org/10.20944/prepr...
    Article . 2018 . Peer-reviewed
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    Article
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      Sustainability
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      https://doi.org/10.20944/prepr...
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  • Use of Steel and Polyolefin Fibres in the La Canda Tunnels: Applying MIVES for Assessing Sustainability Evaluation

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal , Preprint 2018Publisher:MDPI AG
    Authors: Marcos G. Alberti; Jaime C. Gálvez; Alejandro Enfedaque; Ana Carmona; +2 Authors

    doi: 10.3390/su10124765 , 10.20944/preprints201811.0023.v1

    Construction involves the use of significant quantities of raw materials and entails high-energy consumption. For the sake of choosing the most appropriate solution that considers environmental and sustainable concepts, tools such as the integrated value model for sustainable assessment (Modelo Integrado de Valor para una Evaluación Sostenible, MIVES) used in Spain, plays a key role in obtaining the best solution. MIVES is a multi-criteria decision-making method based on the value function concept and the seminars delivered by experts. Such tools, in order to show how they may work, require application to case studies. In this paper, two concrete slabs manufactured with differing reinforcements during the construction of the La Canda Tunnels are compared by means of MIVES. The two concrete slabs were reinforced with a conventional steel-mesh and with polyolefin fibres. This research was focussed on the main aspects affecting the construction. That is to say, the environmental, economic, and social factors were assessed by the method, being of special impact the issues related with maintenance of the structure. The results showed that from the point of view of sustainability, the use of polyolefin fibres provided a significant advantage, mainly due to the lower maintenance required.

    downloadFull-Text
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    Sustainability
    Other literature type . 2018
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    Full-Text: http://www.mdpi.com/2071-1050/10/12/4765/pdf
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    Sustainability
    Article . 2018 . Peer-reviewed
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    Sustainability
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    https://doi.org/10.20944/prepr...
    Article . 2018 . Peer-reviewed
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    Article
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    Article . 2018
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      Sustainability
      Other literature type . 2018
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      Sustainability
      Article . 2018 . Peer-reviewed
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      https://doi.org/10.20944/prepr...
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  • Inhibition of Pichia stipitis fermentation of hydrolysates from olive tree cuttings

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2009 Morocco, Spain Publisher:Springer Science and Business Media LLC
    Authors: Díaz Villanueva, Manuel Jesús; Ruiz-Ramos, Encarnación; Romero-Pulido, Inmaculada; Cara-Corpas, Cristobal; +2 Authors

    doi: 10.1007/s11274-009-9966-9

    handle: 10498/33306

    The ethanolic fermentation of liquid fractions (hydrolysates) issued from dilute acid pre-treatment of olive tree biomass by Pichia stipitis is reported for the first time. On the one side, P. stipitis has been reported as the most promising naturally occurring C5 fermenting microorganism; on the other side, olive tree biomass is a renewable, low cost, and lacking of alternatives agricultural residue especially abundant in Mediterranean countries. The study was performed in two steps. First, the fermentation performance of P. stipitis was evaluated on a fermentation medium also containing the main inhibitors found in these hydrolysates (acetic acid, formic acid, and furfural), as well as glucose and xylose as carbon sources. The effect of inhibitors, individually or in a mixture, on kinetic and yield parameters was calculated. In a second step, hydrolysates obtained from 1% (w/w) sulfuric acid pre-treatment of olive tree biomass at 190ºC for 10 min were used as a real fermentation medium with the same microorganism. Due to inhibition, effective fermentation required dilution of the hydrolysate and either overliming or activated charcoal treatment. Results show that ethanol yields obtained from hydrolysates, ranging from 0.35 to 0.42 g/g, are similar to those from synthetic medium, although the process proceeds at lower rates. Inhibiting compounds affect the fermentation performance in a synergistic way. Furfural is rapidly assimilated by the yeast; acetic acid and formic acid concentrations decrease slowly during the process. Activated charcoal or overliming detoxification improve the fermentability of diluted hydrolysates.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositorio de Objet...arrow_drop_down
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    Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    Article . 2009
    License: CC BY NC ND
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    World Journal of Microbiology and Biotechnology
    Article . 2009 . Peer-reviewed
    License: Springer TDM
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2009
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    World Journal of Microbiology and Biotechnology
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      Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
      Article . 2009
      License: CC BY NC ND
      Data sources: Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      World Journal of Microbiology and Biotechnology
      Article . 2009 . Peer-reviewed
      License: Springer TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2009
      License: CC BY NC ND
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      World Journal of Microbiology and Biotechnology
      Journal
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  • Inhibition of Pichia stipitis fermentation of hydrolysates from olive tree cuttings

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2009 Morocco, Spain Publisher:Springer Science and Business Media LLC
    Authors: Díaz Villanueva, Manuel Jesús; Ruiz-Ramos, Encarnación; Romero-Pulido, Inmaculada; Cara-Corpas, Cristobal; +2 Authors

    doi: 10.1007/s11274-009-9966-9

    handle: 10498/33306

    The ethanolic fermentation of liquid fractions (hydrolysates) issued from dilute acid pre-treatment of olive tree biomass by Pichia stipitis is reported for the first time. On the one side, P. stipitis has been reported as the most promising naturally occurring C5 fermenting microorganism; on the other side, olive tree biomass is a renewable, low cost, and lacking of alternatives agricultural residue especially abundant in Mediterranean countries. The study was performed in two steps. First, the fermentation performance of P. stipitis was evaluated on a fermentation medium also containing the main inhibitors found in these hydrolysates (acetic acid, formic acid, and furfural), as well as glucose and xylose as carbon sources. The effect of inhibitors, individually or in a mixture, on kinetic and yield parameters was calculated. In a second step, hydrolysates obtained from 1% (w/w) sulfuric acid pre-treatment of olive tree biomass at 190ºC for 10 min were used as a real fermentation medium with the same microorganism. Due to inhibition, effective fermentation required dilution of the hydrolysate and either overliming or activated charcoal treatment. Results show that ethanol yields obtained from hydrolysates, ranging from 0.35 to 0.42 g/g, are similar to those from synthetic medium, although the process proceeds at lower rates. Inhibiting compounds affect the fermentation performance in a synergistic way. Furfural is rapidly assimilated by the yeast; acetic acid and formic acid concentrations decrease slowly during the process. Activated charcoal or overliming detoxification improve the fermentability of diluted hydrolysates.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositorio de Objet...arrow_drop_down
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    Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    Article . 2009
    License: CC BY NC ND
    Data sources: Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    World Journal of Microbiology and Biotechnology
    Article . 2009 . Peer-reviewed
    License: Springer TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2009
    License: CC BY NC ND
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    World Journal of Microbiology and Biotechnology
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      Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
      Article . 2009
      License: CC BY NC ND
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      World Journal of Microbiology and Biotechnology
      Article . 2009 . Peer-reviewed
      License: Springer TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2009
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  • Coupling Enzymes and Inorganic Piezoelectric Materials for Electricity Production from Renewable Fuels

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 2018 Spain Publisher:American Chemical Society (ACS)
    Authors: Susana Velasco-Lozano; Mato Knez; Fernando López-Gallego;

    doi: 10.1021/acsaem.7b00328

    handle: 10261/186689

    Sustainable electricity generation is one of the major current challenges for our society. In this context, the evolution of nanomaterials and nanotechnologies has enabled the fabrication of microscopic devices to produce clean energy from a great variety of renewable sources. To expand the possibilities of energy generation, we have designed and fabricated bioinorganic generators capable to produce electricity by conversion of chemical energy from renewable fuel sources. Unlike traditional generators, the systems described herein produce mechanical energy through enzyme-driven gas production which generates vibration and pressure that are thus converted into electricity by the action of a piezoelectric component properly integrated into the device. Our generators are able to produce an electric ernergy from different renewable sources like glucose, ethanol, and amino acids, attaining energy outputs around 250 nJ cm–2 and reaching maximum open-circuit voltages of up to 1 V. In addition, the produced energy can be easily regulated by adjusting both enzyme and fuel concentration which can tune the electrical output according to the application. The systems described herein propose a new concept for self-sufficient energy harvesting that bridges biocatalysis and piezoelectricity, where the energy production is based on the piezoelectric effect triggered by enzymatic action rather than on the enzyme-driven electron transfer that governs biofuel cells. Although the electric output is too low yet to be considered an alternative for energy production, this technology opens the door to power small devices. We envision the utilization of this technology in such remote locations where mechanical energy is lacking but there are chemical energy reservoirs. We would like to acknowledge Marie-Curie Actions (NANOBIENER project), IKERBASQUE foundation for funding F.L.-G., and the support of COST Action CM1303 Systems Biocatalysis. We also acknowledge HERGAR foundation for the funding. Peer reviewed

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
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    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2018 . Peer-reviewed
    Data sources: Recolector de Ciencia Abierta, RECOLECTA
    ACS Applied Energy Materials
    Article . 2018 . Peer-reviewed
    Data sources: Crossref
    http://pubs.acs.org/doi/10.102...
    Other literature type
    Data sources: Microsoft Academic Graph
    Digital.CSIC
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
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      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2018 . Peer-reviewed
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      ACS Applied Energy Materials
      Article . 2018 . Peer-reviewed
      Data sources: Crossref
      http://pubs.acs.org/doi/10.102...
      Other literature type
      Data sources: Microsoft Academic Graph
      Digital.CSIC
      Article . 2018 . Peer-reviewed
      Data sources: Digital.CSIC
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  • Coupling Enzymes and Inorganic Piezoelectric Materials for Electricity Production from Renewable Fuels

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 2018 Spain Publisher:American Chemical Society (ACS)
    Authors: Susana Velasco-Lozano; Mato Knez; Fernando López-Gallego;

    doi: 10.1021/acsaem.7b00328

    handle: 10261/186689

    Sustainable electricity generation is one of the major current challenges for our society. In this context, the evolution of nanomaterials and nanotechnologies has enabled the fabrication of microscopic devices to produce clean energy from a great variety of renewable sources. To expand the possibilities of energy generation, we have designed and fabricated bioinorganic generators capable to produce electricity by conversion of chemical energy from renewable fuel sources. Unlike traditional generators, the systems described herein produce mechanical energy through enzyme-driven gas production which generates vibration and pressure that are thus converted into electricity by the action of a piezoelectric component properly integrated into the device. Our generators are able to produce an electric ernergy from different renewable sources like glucose, ethanol, and amino acids, attaining energy outputs around 250 nJ cm–2 and reaching maximum open-circuit voltages of up to 1 V. In addition, the produced energy can be easily regulated by adjusting both enzyme and fuel concentration which can tune the electrical output according to the application. The systems described herein propose a new concept for self-sufficient energy harvesting that bridges biocatalysis and piezoelectricity, where the energy production is based on the piezoelectric effect triggered by enzymatic action rather than on the enzyme-driven electron transfer that governs biofuel cells. Although the electric output is too low yet to be considered an alternative for energy production, this technology opens the door to power small devices. We envision the utilization of this technology in such remote locations where mechanical energy is lacking but there are chemical energy reservoirs. We would like to acknowledge Marie-Curie Actions (NANOBIENER project), IKERBASQUE foundation for funding F.L.-G., and the support of COST Action CM1303 Systems Biocatalysis. We also acknowledge HERGAR foundation for the funding. Peer reviewed

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
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    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2018 . Peer-reviewed
    Data sources: Recolector de Ciencia Abierta, RECOLECTA
    ACS Applied Energy Materials
    Article . 2018 . Peer-reviewed
    Data sources: Crossref
    http://pubs.acs.org/doi/10.102...
    Other literature type
    Data sources: Microsoft Academic Graph
    Digital.CSIC
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2018 . Peer-reviewed
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      ACS Applied Energy Materials
      Article . 2018 . Peer-reviewed
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  • Modelado de una bomba de calor agua/agua que combine la utilización de CO2 como refrigerante con energía geotérmica para la generación de agua caliente sanitaria ; Modelling of a water/water geothermal heat pump working with CO2 as refrigerant for the generation of hot domestic water

    descriptionPublicationkeyboard_double_arrow_right Bachelor thesis Spain
    Authors: Ruiz Casas, Víctor;

    handle: 10317/7106

    Este trabajo se centra en el modelado mediante TRNSYS de una bomba de calor geotérmica agua-agua que utiliza CO2 como refrigerante para producir agua caliente sanitaria (ACS), para posteriormente hacer un estudio comparativo con una instalación solar. Dicha instalación se encuentra disponible en el laboratorio de Calor y Frío del ELDI. Los objetivos principales del trabajo son: - Estudiar y entender el funcionamiento de la bomba de calor y de todos sus componentes. - Conocer las ventajas que presente el CO2 como refrigerante. - Búsqueda de información acerca de los sistemas de captación de energía geotérmica. - Modelar los componentes que constituyen una bomba de calor geotérmica. - Programar los modelos seleccionados mediante el compilador FORTRAN. - Simulación de la bomba de calor en TRNSYS a partir de los componentes programados que la forman. - Realizar un estudio comparativo con un sistema solar convencional a base de colectores solares. ; Escuela Técnica Superior de Ingeniería Industrial ; Universidad Politécnica de Cartagena

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  • Modelado de una bomba de calor agua/agua que combine la utilización de CO2 como refrigerante con energía geotérmica para la generación de agua caliente sanitaria ; Modelling of a water/water geothermal heat pump working with CO2 as refrigerant for the generation of hot domestic water

    descriptionPublicationkeyboard_double_arrow_right Bachelor thesis Spain
    Authors: Ruiz Casas, Víctor;

    handle: 10317/7106

    Este trabajo se centra en el modelado mediante TRNSYS de una bomba de calor geotérmica agua-agua que utiliza CO2 como refrigerante para producir agua caliente sanitaria (ACS), para posteriormente hacer un estudio comparativo con una instalación solar. Dicha instalación se encuentra disponible en el laboratorio de Calor y Frío del ELDI. Los objetivos principales del trabajo son: - Estudiar y entender el funcionamiento de la bomba de calor y de todos sus componentes. - Conocer las ventajas que presente el CO2 como refrigerante. - Búsqueda de información acerca de los sistemas de captación de energía geotérmica. - Modelar los componentes que constituyen una bomba de calor geotérmica. - Programar los modelos seleccionados mediante el compilador FORTRAN. - Simulación de la bomba de calor en TRNSYS a partir de los componentes programados que la forman. - Realizar un estudio comparativo con un sistema solar convencional a base de colectores solares. ; Escuela Técnica Superior de Ingeniería Industrial ; Universidad Politécnica de Cartagena

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  • The potential of decentral heat pumps as flexibility option for decarbonised energy systems

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article 2024Publisher:Springer Science and Business Media LLCFunded by:EC | AURES II
    Authors: Franziska Schöniger; Philipp Mascherbauer; Gustav Resch; Lukas Kranzl; +1 Authors

    doi: 10.1007/s12053-024-10206-z

    AbstractDecarbonising the energy system requires high shares of variable renewable generation and sector coupling like power to heat. In addition to heat supply, heat pumps can be used in future energy systems to provide flexibility to the electricity system by using the thermal storage potential of the building stock and buffer tanks to shift electricity demand to hours of high renewable electricity production. Bridging the gap between two methodological approaches, we coupled a detailed building technology operation model and the open-source energy system model Balmorel to evaluate the flexibility potential that decentral heat pumps can provide to the electricity system. Austria in the year 2030 serves as an example of a 100% renewable-based electricity system (at an annual national balance). Results show that system benefits from heat pump flexibility are relatively limited in extent and concentrated on short-term flexibility. Flexible heat pumps reduce system cost, CO2 emissions, and photovoltaics and wind curtailment in all scenarios. The amount of electricity shifted in the assessed standard flexibility scenario is 194 GWhel and accounts for about 20% of the available flexible heat pump electricity demand. A comparison of different modelling approaches and a deterministic sensitivity analysis of key input parameters complement the modelling. The most important input parameters impacting heat pump flexibility are the flexible capacity (determined by installed capacity and share of control), shifting time limitations, and cost assumptions for the flexibility provided. Heat pump flexibility contributes more to increasing low residual loads (up to 22% in the assessed scenarios) than decreasing residual load peaks. Wind power integration benefits more from heat pump flexibility than photovoltaics because of the temporal correlation between heat demand and wind generation.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
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    Energy Efficiency
    Article . 2024 . Peer-reviewed
    License: CC BY
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Energy Efficiencyarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Energy Efficiency
      Article . 2024 . Peer-reviewed
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  • The potential of decentral heat pumps as flexibility option for decarbonised energy systems

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article 2024Publisher:Springer Science and Business Media LLCFunded by:EC | AURES II
    Authors: Franziska Schöniger; Philipp Mascherbauer; Gustav Resch; Lukas Kranzl; +1 Authors

    doi: 10.1007/s12053-024-10206-z

    AbstractDecarbonising the energy system requires high shares of variable renewable generation and sector coupling like power to heat. In addition to heat supply, heat pumps can be used in future energy systems to provide flexibility to the electricity system by using the thermal storage potential of the building stock and buffer tanks to shift electricity demand to hours of high renewable electricity production. Bridging the gap between two methodological approaches, we coupled a detailed building technology operation model and the open-source energy system model Balmorel to evaluate the flexibility potential that decentral heat pumps can provide to the electricity system. Austria in the year 2030 serves as an example of a 100% renewable-based electricity system (at an annual national balance). Results show that system benefits from heat pump flexibility are relatively limited in extent and concentrated on short-term flexibility. Flexible heat pumps reduce system cost, CO2 emissions, and photovoltaics and wind curtailment in all scenarios. The amount of electricity shifted in the assessed standard flexibility scenario is 194 GWhel and accounts for about 20% of the available flexible heat pump electricity demand. A comparison of different modelling approaches and a deterministic sensitivity analysis of key input parameters complement the modelling. The most important input parameters impacting heat pump flexibility are the flexible capacity (determined by installed capacity and share of control), shifting time limitations, and cost assumptions for the flexibility provided. Heat pump flexibility contributes more to increasing low residual loads (up to 22% in the assessed scenarios) than decreasing residual load peaks. Wind power integration benefits more from heat pump flexibility than photovoltaics because of the temporal correlation between heat demand and wind generation.

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    Energy Efficiency
    Article . 2024 . Peer-reviewed
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      Energy Efficiency
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  • Modeling micro-turbines on the distribution system using identification algorithms

    descriptionPublicationkeyboard_double_arrow_right Conference object , Article 2004Publisher:IEEE
    Authors: Antonio Cano; Francisco Jurado;

    doi: 10.1109/etfa.2003.1248769

    To determine the potential impacts of micro-turbines on future distribution system, dynamic models of micro-turbines should be created, reduced in order, and scattered throughout test feeders. This paper presents the implementation of an efficient method for computing low order linear system models of micro-turbines from time domain simulations. The method is the Box-Jenkins algorithm for calculating the transfer function of a linear system from samples of its input and output.

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  • Modeling micro-turbines on the distribution system using identification algorithms

    descriptionPublicationkeyboard_double_arrow_right Conference object , Article 2004Publisher:IEEE
    Authors: Antonio Cano; Francisco Jurado;

    doi: 10.1109/etfa.2003.1248769

    To determine the potential impacts of micro-turbines on future distribution system, dynamic models of micro-turbines should be created, reduced in order, and scattered throughout test feeders. This paper presents the implementation of an efficient method for computing low order linear system models of micro-turbines from time domain simulations. The method is the Box-Jenkins algorithm for calculating the transfer function of a linear system from samples of its input and output.

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  • Acute Alcohol Exposure Impairs Fracture Healing and Deregulates β‐Catenin Signaling in the Fracture Callus

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2012Publisher:Wiley
    Authors: Kristen L. Lauing; John J. Callaci; Rachel K. Nauer; Philip M. Roper;

    doi: 10.1111/j.1530-0277.2012.01830.x

    pmid: 22691115

    pmc: PMC3443513

    BackgroundAlcohol abuse is a risk factor for bone damage and fracture‐related complications. Through precise β‐catenin signaling, canonical Wnt signaling plays a key role in fracture repair by promoting the differentiation of new bone and cartilage cells. In this study, we examined the effects of alcohol on the Wnt pathway in injured bone using a murine model of alcohol‐induced impaired fracture healing.MethodsMale C57Bl/6 or T cell factor (TCF)‐transgenic mice were administered 3 daily intraperitoneal doses of alcohol or saline. One hour following the final injection, mice were subjected to a stabilized, mid‐shaft tibial fracture. Injured and contralateral tibias were harvested at 6, 9, or 14 days post‐fracture for the analysis of biomechanical strength, callus tissue composition, and Wnt/β‐catenin signaling.ResultsAcute alcohol treatment was associated with a significant decrease in fracture callus volume, diameter, and biomechanical strength at day 14 post‐fracture. Histology revealed an alcohol‐related reduction in cartilage and bone formation at the fracture site, and that alcohol inhibited normal cartilage maturation. Acute alcohol exposure caused a significant 2.3‐fold increase in total β‐catenin protein at day 6 and a significant decrease of 53 and 56% at days 9 and 14, respectively. lacZ staining in β‐galactosidase‐expressing TCF‐transgenic mice revealed spatial and quantitative differences in Wnt‐specific transcriptional activation at day 6 in the alcohol group. Days 9 and 14 post‐fracture showed that acute alcohol exposure decreased Wnt transcriptional activation, which correlates with the modulation of total β‐catenin protein levels observed at these time points.ConclusionsAcute alcohol exposure resulted in significant impairment of fracture callus tissue formation, perturbation of the key Wnt pathway protein β‐catenin, and disruption of normal Wnt‐mediated transcription. These data suggest that the canonical Wnt pathway is a target for alcohol in bone and may partially explain why impaired fracture healing is observed in alcohol‐abusing individuals.

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    Alcoholism Clinical and Experimental Research
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  • Acute Alcohol Exposure Impairs Fracture Healing and Deregulates β‐Catenin Signaling in the Fracture Callus

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2012Publisher:Wiley
    Authors: Kristen L. Lauing; John J. Callaci; Rachel K. Nauer; Philip M. Roper;

    doi: 10.1111/j.1530-0277.2012.01830.x

    pmid: 22691115

    pmc: PMC3443513

    BackgroundAlcohol abuse is a risk factor for bone damage and fracture‐related complications. Through precise β‐catenin signaling, canonical Wnt signaling plays a key role in fracture repair by promoting the differentiation of new bone and cartilage cells. In this study, we examined the effects of alcohol on the Wnt pathway in injured bone using a murine model of alcohol‐induced impaired fracture healing.MethodsMale C57Bl/6 or T cell factor (TCF)‐transgenic mice were administered 3 daily intraperitoneal doses of alcohol or saline. One hour following the final injection, mice were subjected to a stabilized, mid‐shaft tibial fracture. Injured and contralateral tibias were harvested at 6, 9, or 14 days post‐fracture for the analysis of biomechanical strength, callus tissue composition, and Wnt/β‐catenin signaling.ResultsAcute alcohol treatment was associated with a significant decrease in fracture callus volume, diameter, and biomechanical strength at day 14 post‐fracture. Histology revealed an alcohol‐related reduction in cartilage and bone formation at the fracture site, and that alcohol inhibited normal cartilage maturation. Acute alcohol exposure caused a significant 2.3‐fold increase in total β‐catenin protein at day 6 and a significant decrease of 53 and 56% at days 9 and 14, respectively. lacZ staining in β‐galactosidase‐expressing TCF‐transgenic mice revealed spatial and quantitative differences in Wnt‐specific transcriptional activation at day 6 in the alcohol group. Days 9 and 14 post‐fracture showed that acute alcohol exposure decreased Wnt transcriptional activation, which correlates with the modulation of total β‐catenin protein levels observed at these time points.ConclusionsAcute alcohol exposure resulted in significant impairment of fracture callus tissue formation, perturbation of the key Wnt pathway protein β‐catenin, and disruption of normal Wnt‐mediated transcription. These data suggest that the canonical Wnt pathway is a target for alcohol in bone and may partially explain why impaired fracture healing is observed in alcohol‐abusing individuals.

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  • Organization of the energy management system on the basis of the university knowledge HUB ; Організація системи енергоменеджменту на базі університетського ХАБ знань

    descriptionPublicationkeyboard_double_arrow_right Article 2021 Ukraine
    Authors: Nifatova, O.;

    Енергоефективність та енергозбереження є пріоритетним напрямком розвитку науки, технологій і техніки в Україні. Проведена в усьому світі політика енергозбереження спрямована на всі галузі і наукові дослідження в усіх сферах. Значним споживачем енергоресурсів є заклади вищої освіти. Актуалізація нормативно-правової та технічної бази, спрямованих на проектування і експлуатацію будівель з низьким рівнем енергоспоживання і високим класом енергоефективності свідчить про необхідність короткострокового вирішення проблеми. При цьому має місце відсутність системного погляду на енергоефективність, що не дозволяє оцінити рівень витрат енергоресурсів на всьому протязі життєвого циклу закладів вищої освіти, що показує необхідність пошуку ефективних шляхів вирішення проблеми. Для оцінки впливу факторів на електроспоживання та енергоефективність Київського національного університету технологій та дизайну було використано метод множинної регресії, проведений статистичний аналіз отриманих даних. В результаті вдалося з'ясувати, що дані електроспоживання не підкоряються закону нормального розподілу, тому побудувати точний прогноз електроспоживання важко. Використання ХАБ знань з енергоефективності дозволило провести більш якісний аналіз і виділити основні фактори, що впливають на електроспоживання. Університет має нерегульоване центральне опалення, системи індивідуального кондиціонування, а також центрального та індивідуального освітлення. У зв'язку з цим для проведення енергетичного моніторингу і енергоаудиту будівель університету було обрано такі основні фактори: середня температура повітря на вулиці, середня тривалість світлового дня, опалювальний період, середня кількість осіб, які працюють в день, протягом місяця. Впровадження запропонованої схеми структурної організації типової системи автоматичного обліку енергоспоживання університету на базі університетського ХАБ знань з енергоефективності: серверу, що дозволяє збирати, зберігати і обробляти дані; маршрутизатори за допомогою різних провідних і бездротових технологій ...

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  • Organization of the energy management system on the basis of the university knowledge HUB ; Організація системи енергоменеджменту на базі університетського ХАБ знань

    descriptionPublicationkeyboard_double_arrow_right Article 2021 Ukraine
    Authors: Nifatova, O.;

    Енергоефективність та енергозбереження є пріоритетним напрямком розвитку науки, технологій і техніки в Україні. Проведена в усьому світі політика енергозбереження спрямована на всі галузі і наукові дослідження в усіх сферах. Значним споживачем енергоресурсів є заклади вищої освіти. Актуалізація нормативно-правової та технічної бази, спрямованих на проектування і експлуатацію будівель з низьким рівнем енергоспоживання і високим класом енергоефективності свідчить про необхідність короткострокового вирішення проблеми. При цьому має місце відсутність системного погляду на енергоефективність, що не дозволяє оцінити рівень витрат енергоресурсів на всьому протязі життєвого циклу закладів вищої освіти, що показує необхідність пошуку ефективних шляхів вирішення проблеми. Для оцінки впливу факторів на електроспоживання та енергоефективність Київського національного університету технологій та дизайну було використано метод множинної регресії, проведений статистичний аналіз отриманих даних. В результаті вдалося з'ясувати, що дані електроспоживання не підкоряються закону нормального розподілу, тому побудувати точний прогноз електроспоживання важко. Використання ХАБ знань з енергоефективності дозволило провести більш якісний аналіз і виділити основні фактори, що впливають на електроспоживання. Університет має нерегульоване центральне опалення, системи індивідуального кондиціонування, а також центрального та індивідуального освітлення. У зв'язку з цим для проведення енергетичного моніторингу і енергоаудиту будівель університету було обрано такі основні фактори: середня температура повітря на вулиці, середня тривалість світлового дня, опалювальний період, середня кількість осіб, які працюють в день, протягом місяця. Впровадження запропонованої схеми структурної організації типової системи автоматичного обліку енергоспоживання університету на базі університетського ХАБ знань з енергоефективності: серверу, що дозволяє збирати, зберігати і обробляти дані; маршрутизатори за допомогою різних провідних і бездротових технологій ...

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  • social innovations for the energy transition an overview of concepts and projects contributing to behavioural changes and increased well being

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Other literature type , Report 2020 Finland Publisher:Publications Office of the European UnionFunded by:EC | IPODD, EC | SONNET
    Authors: MIKKONEN IRMELI; GYNTHER LEA; MATSCHOSS KAISA; KOUKOUFIKIS GEORGIOS; +2 Authors

    doi: 10.2760/555111

    handle: 10138/322291

    This report reflects upon the concept of social innovation and the way it is used in the energy sector. It does so by bringing together theoretical investigations and empirical knowledge. We aim to clarify the concept of social innovation in the energy sector by reviewing the literature and reflecting over a number of social innovation projects in Europe. The analysis of the projects against various contextual factors and their goals reveals the significant potential of social innovation on accelerating the energy transition while tackling societal problems. Energy production, energy efficiency and energy literacy are the main domains to which socially innovative activities contribute the most. High competences of project leadership and management observed though projects are often small in scale and context-dependent. This indicates that successful socially innovative energy initiatives require advanced bottom-up governance structures even if that may imply limitations for scaling up. This setting may complicate top-down support as legal, financial or even cultural policy-making must be tailor-made and reinvent or adjust continuously. Nevertheless, social innovative activities are expected to further proliferate the following years and move towards a sound environmental, cultural, political, economic and social direction, as knowledge creation and diffusion of technological and governance innovations accompanied with policy support are on the rise. JRC.C.7-Knowledge for the Energy Union

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  • social innovations for the energy transition an overview of concepts and projects contributing to behavioural changes and increased well being

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    descriptionPublicationkeyboard_double_arrow_right Other literature type , Report 2020 Finland Publisher:Publications Office of the European UnionFunded by:EC | IPODD, EC | SONNET
    Authors: MIKKONEN IRMELI; GYNTHER LEA; MATSCHOSS KAISA; KOUKOUFIKIS GEORGIOS; +2 Authors

    doi: 10.2760/555111

    handle: 10138/322291

    This report reflects upon the concept of social innovation and the way it is used in the energy sector. It does so by bringing together theoretical investigations and empirical knowledge. We aim to clarify the concept of social innovation in the energy sector by reviewing the literature and reflecting over a number of social innovation projects in Europe. The analysis of the projects against various contextual factors and their goals reveals the significant potential of social innovation on accelerating the energy transition while tackling societal problems. Energy production, energy efficiency and energy literacy are the main domains to which socially innovative activities contribute the most. High competences of project leadership and management observed though projects are often small in scale and context-dependent. This indicates that successful socially innovative energy initiatives require advanced bottom-up governance structures even if that may imply limitations for scaling up. This setting may complicate top-down support as legal, financial or even cultural policy-making must be tailor-made and reinvent or adjust continuously. Nevertheless, social innovative activities are expected to further proliferate the following years and move towards a sound environmental, cultural, political, economic and social direction, as knowledge creation and diffusion of technological and governance innovations accompanied with policy support are on the rise. JRC.C.7-Knowledge for the Energy Union

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  • Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace

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    descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 2020Publisher:MDPI AG
    Authors: Anatoliy Golovchenko; Roman Dychkovskyi; Yuliya Pazynich; Cáceres Cabana Edgar; +3 Authors

    doi: 10.3390/en13040923

    The paper presents an experimental study on the formation process of burden surface texture on the blast furnace throat and its influence on the radial distribution of gas flow. The study was performed with the application of blast furnaces equipped with a bell-type charging device using radio-isotope means for the control of burden surface texture (profile) and burden surface level, i.e., gamma locators for burden surface texture. The study was carried out under the conditions of an operating blast furnace in an iron and steel plant using a unique GEOTAPS system for automated control of geometric and temperature parameters of burden material surface on the blast furnace throat. The influence of the surface texture on the gas flow distribution was also investigated. The possibility of a self-stabilization effect for burden surface texture and gas flow in an operating blast furnace under suitable conditions was experimentally proven. As a result of the experimental study performed, four ways of energy-saving technology implementation were determined for the control of blast furnace melting based on the data on the burden surface texture and previously unknown regularities of surface layer formation of burden material on the throat of an operating blast furnace with a bell-type charging device. The main idea of the paper is the development of automated control for the radial distribution of burden material and gas flow using actual or predicted surface texture parameters as important intermediate factors that both describe the process and have a significant simultaneous influence on it.

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    Other literature type . 2020
    License: CC BY
    Full-Text: http://www.mdpi.com/1996-1073/13/4/923/pdf
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  • Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace

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    descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 2020Publisher:MDPI AG
    Authors: Anatoliy Golovchenko; Roman Dychkovskyi; Yuliya Pazynich; Cáceres Cabana Edgar; +3 Authors

    doi: 10.3390/en13040923

    The paper presents an experimental study on the formation process of burden surface texture on the blast furnace throat and its influence on the radial distribution of gas flow. The study was performed with the application of blast furnaces equipped with a bell-type charging device using radio-isotope means for the control of burden surface texture (profile) and burden surface level, i.e., gamma locators for burden surface texture. The study was carried out under the conditions of an operating blast furnace in an iron and steel plant using a unique GEOTAPS system for automated control of geometric and temperature parameters of burden material surface on the blast furnace throat. The influence of the surface texture on the gas flow distribution was also investigated. The possibility of a self-stabilization effect for burden surface texture and gas flow in an operating blast furnace under suitable conditions was experimentally proven. As a result of the experimental study performed, four ways of energy-saving technology implementation were determined for the control of blast furnace melting based on the data on the burden surface texture and previously unknown regularities of surface layer formation of burden material on the throat of an operating blast furnace with a bell-type charging device. The main idea of the paper is the development of automated control for the radial distribution of burden material and gas flow using actual or predicted surface texture parameters as important intermediate factors that both describe the process and have a significant simultaneous influence on it.

    downloadFull-Text
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    Energies
    Other literature type . 2020
    License: CC BY
    Full-Text: http://www.mdpi.com/1996-1073/13/4/923/pdf
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    Article . 2020 . Peer-reviewed
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    Article . 2020
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      Other literature type . 2020
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  • Use of Steel and Polyolefin Fibres in the La Canda Tunnels: Applying MIVES for Assessing Sustainability Evaluation

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    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal , Preprint 2018Publisher:MDPI AG
    Authors: Marcos G. Alberti; Jaime C. Gálvez; Alejandro Enfedaque; Ana Carmona; +2 Authors

    doi: 10.3390/su10124765 , 10.20944/preprints201811.0023.v1

    Construction involves the use of significant quantities of raw materials and entails high-energy consumption. For the sake of choosing the most appropriate solution that considers environmental and sustainable concepts, tools such as the integrated value model for sustainable assessment (Modelo Integrado de Valor para una Evaluación Sostenible, MIVES) used in Spain, plays a key role in obtaining the best solution. MIVES is a multi-criteria decision-making method based on the value function concept and the seminars delivered by experts. Such tools, in order to show how they may work, require application to case studies. In this paper, two concrete slabs manufactured with differing reinforcements during the construction of the La Canda Tunnels are compared by means of MIVES. The two concrete slabs were reinforced with a conventional steel-mesh and with polyolefin fibres. This research was focussed on the main aspects affecting the construction. That is to say, the environmental, economic, and social factors were assessed by the method, being of special impact the issues related with maintenance of the structure. The results showed that from the point of view of sustainability, the use of polyolefin fibres provided a significant advantage, mainly due to the lower maintenance required.

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    https://doi.org/10.20944/prepr...
    Article . 2018 . Peer-reviewed
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    Article
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  • Use of Steel and Polyolefin Fibres in the La Canda Tunnels: Applying MIVES for Assessing Sustainability Evaluation

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    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal , Preprint 2018Publisher:MDPI AG
    Authors: Marcos G. Alberti; Jaime C. Gálvez; Alejandro Enfedaque; Ana Carmona; +2 Authors

    doi: 10.3390/su10124765 , 10.20944/preprints201811.0023.v1

    Construction involves the use of significant quantities of raw materials and entails high-energy consumption. For the sake of choosing the most appropriate solution that considers environmental and sustainable concepts, tools such as the integrated value model for sustainable assessment (Modelo Integrado de Valor para una Evaluación Sostenible, MIVES) used in Spain, plays a key role in obtaining the best solution. MIVES is a multi-criteria decision-making method based on the value function concept and the seminars delivered by experts. Such tools, in order to show how they may work, require application to case studies. In this paper, two concrete slabs manufactured with differing reinforcements during the construction of the La Canda Tunnels are compared by means of MIVES. The two concrete slabs were reinforced with a conventional steel-mesh and with polyolefin fibres. This research was focussed on the main aspects affecting the construction. That is to say, the environmental, economic, and social factors were assessed by the method, being of special impact the issues related with maintenance of the structure. The results showed that from the point of view of sustainability, the use of polyolefin fibres provided a significant advantage, mainly due to the lower maintenance required.

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    Other literature type . 2018
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    Sustainability
    Article . 2018 . Peer-reviewed
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    https://doi.org/10.20944/prepr...
    Article . 2018 . Peer-reviewed
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  • Inhibition of Pichia stipitis fermentation of hydrolysates from olive tree cuttings

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2009 Morocco, Spain Publisher:Springer Science and Business Media LLC
    Authors: Díaz Villanueva, Manuel Jesús; Ruiz-Ramos, Encarnación; Romero-Pulido, Inmaculada; Cara-Corpas, Cristobal; +2 Authors

    doi: 10.1007/s11274-009-9966-9

    handle: 10498/33306

    The ethanolic fermentation of liquid fractions (hydrolysates) issued from dilute acid pre-treatment of olive tree biomass by Pichia stipitis is reported for the first time. On the one side, P. stipitis has been reported as the most promising naturally occurring C5 fermenting microorganism; on the other side, olive tree biomass is a renewable, low cost, and lacking of alternatives agricultural residue especially abundant in Mediterranean countries. The study was performed in two steps. First, the fermentation performance of P. stipitis was evaluated on a fermentation medium also containing the main inhibitors found in these hydrolysates (acetic acid, formic acid, and furfural), as well as glucose and xylose as carbon sources. The effect of inhibitors, individually or in a mixture, on kinetic and yield parameters was calculated. In a second step, hydrolysates obtained from 1% (w/w) sulfuric acid pre-treatment of olive tree biomass at 190ºC for 10 min were used as a real fermentation medium with the same microorganism. Due to inhibition, effective fermentation required dilution of the hydrolysate and either overliming or activated charcoal treatment. Results show that ethanol yields obtained from hydrolysates, ranging from 0.35 to 0.42 g/g, are similar to those from synthetic medium, although the process proceeds at lower rates. Inhibiting compounds affect the fermentation performance in a synergistic way. Furfural is rapidly assimilated by the yeast; acetic acid and formic acid concentrations decrease slowly during the process. Activated charcoal or overliming detoxification improve the fermentability of diluted hydrolysates.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositorio de Objet...arrow_drop_down
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    Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    Article . 2009
    License: CC BY NC ND
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    World Journal of Microbiology and Biotechnology
    Article . 2009 . Peer-reviewed
    License: Springer TDM
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2009
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    World Journal of Microbiology and Biotechnology
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      Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
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  • Inhibition of Pichia stipitis fermentation of hydrolysates from olive tree cuttings

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2009 Morocco, Spain Publisher:Springer Science and Business Media LLC
    Authors: Díaz Villanueva, Manuel Jesús; Ruiz-Ramos, Encarnación; Romero-Pulido, Inmaculada; Cara-Corpas, Cristobal; +2 Authors

    doi: 10.1007/s11274-009-9966-9

    handle: 10498/33306

    The ethanolic fermentation of liquid fractions (hydrolysates) issued from dilute acid pre-treatment of olive tree biomass by Pichia stipitis is reported for the first time. On the one side, P. stipitis has been reported as the most promising naturally occurring C5 fermenting microorganism; on the other side, olive tree biomass is a renewable, low cost, and lacking of alternatives agricultural residue especially abundant in Mediterranean countries. The study was performed in two steps. First, the fermentation performance of P. stipitis was evaluated on a fermentation medium also containing the main inhibitors found in these hydrolysates (acetic acid, formic acid, and furfural), as well as glucose and xylose as carbon sources. The effect of inhibitors, individually or in a mixture, on kinetic and yield parameters was calculated. In a second step, hydrolysates obtained from 1% (w/w) sulfuric acid pre-treatment of olive tree biomass at 190ºC for 10 min were used as a real fermentation medium with the same microorganism. Due to inhibition, effective fermentation required dilution of the hydrolysate and either overliming or activated charcoal treatment. Results show that ethanol yields obtained from hydrolysates, ranging from 0.35 to 0.42 g/g, are similar to those from synthetic medium, although the process proceeds at lower rates. Inhibiting compounds affect the fermentation performance in a synergistic way. Furfural is rapidly assimilated by the yeast; acetic acid and formic acid concentrations decrease slowly during the process. Activated charcoal or overliming detoxification improve the fermentability of diluted hydrolysates.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositorio de Objet...arrow_drop_down
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    Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    Article . 2009
    License: CC BY NC ND
    Data sources: Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    World Journal of Microbiology and Biotechnology
    Article . 2009 . Peer-reviewed
    License: Springer TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2009
    License: CC BY NC ND
    Data sources: Recolector de Ciencia Abierta, RECOLECTA
    World Journal of Microbiology and Biotechnology
    Journal
    Data sources: Microsoft Academic Graph
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
      Article . 2009
      License: CC BY NC ND
      Data sources: Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      World Journal of Microbiology and Biotechnology
      Article . 2009 . Peer-reviewed
      License: Springer TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2009
      License: CC BY NC ND
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      World Journal of Microbiology and Biotechnology
      Journal
      Data sources: Microsoft Academic Graph
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  • Coupling Enzymes and Inorganic Piezoelectric Materials for Electricity Production from Renewable Fuels

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 2018 Spain Publisher:American Chemical Society (ACS)
    Authors: Susana Velasco-Lozano; Mato Knez; Fernando López-Gallego;

    doi: 10.1021/acsaem.7b00328

    handle: 10261/186689

    Sustainable electricity generation is one of the major current challenges for our society. In this context, the evolution of nanomaterials and nanotechnologies has enabled the fabrication of microscopic devices to produce clean energy from a great variety of renewable sources. To expand the possibilities of energy generation, we have designed and fabricated bioinorganic generators capable to produce electricity by conversion of chemical energy from renewable fuel sources. Unlike traditional generators, the systems described herein produce mechanical energy through enzyme-driven gas production which generates vibration and pressure that are thus converted into electricity by the action of a piezoelectric component properly integrated into the device. Our generators are able to produce an electric ernergy from different renewable sources like glucose, ethanol, and amino acids, attaining energy outputs around 250 nJ cm–2 and reaching maximum open-circuit voltages of up to 1 V. In addition, the produced energy can be easily regulated by adjusting both enzyme and fuel concentration which can tune the electrical output according to the application. The systems described herein propose a new concept for self-sufficient energy harvesting that bridges biocatalysis and piezoelectricity, where the energy production is based on the piezoelectric effect triggered by enzymatic action rather than on the enzyme-driven electron transfer that governs biofuel cells. Although the electric output is too low yet to be considered an alternative for energy production, this technology opens the door to power small devices. We envision the utilization of this technology in such remote locations where mechanical energy is lacking but there are chemical energy reservoirs. We would like to acknowledge Marie-Curie Actions (NANOBIENER project), IKERBASQUE foundation for funding F.L.-G., and the support of COST Action CM1303 Systems Biocatalysis. We also acknowledge HERGAR foundation for the funding. Peer reviewed

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
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    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2018 . Peer-reviewed
    Data sources: Recolector de Ciencia Abierta, RECOLECTA
    ACS Applied Energy Materials
    Article . 2018 . Peer-reviewed
    Data sources: Crossref
    http://pubs.acs.org/doi/10.102...
    Other literature type
    Data sources: Microsoft Academic Graph
    Digital.CSIC
    Article . 2018 . Peer-reviewed
    Data sources: Digital.CSIC
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2018 . Peer-reviewed
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      ACS Applied Energy Materials
      Article . 2018 . Peer-reviewed
      Data sources: Crossref
      http://pubs.acs.org/doi/10.102...
      Other literature type
      Data sources: Microsoft Academic Graph
      Digital.CSIC
      Article . 2018 . Peer-reviewed
      Data sources: Digital.CSIC
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  • Coupling Enzymes and Inorganic Piezoelectric Materials for Electricity Production from Renewable Fuels

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 2018 Spain Publisher:American Chemical Society (ACS)
    Authors: Susana Velasco-Lozano; Mato Knez; Fernando López-Gallego;

    doi: 10.1021/acsaem.7b00328

    handle: 10261/186689

    Sustainable electricity generation is one of the major current challenges for our society. In this context, the evolution of nanomaterials and nanotechnologies has enabled the fabrication of microscopic devices to produce clean energy from a great variety of renewable sources. To expand the possibilities of energy generation, we have designed and fabricated bioinorganic generators capable to produce electricity by conversion of chemical energy from renewable fuel sources. Unlike traditional generators, the systems described herein produce mechanical energy through enzyme-driven gas production which generates vibration and pressure that are thus converted into electricity by the action of a piezoelectric component properly integrated into the device. Our generators are able to produce an electric ernergy from different renewable sources like glucose, ethanol, and amino acids, attaining energy outputs around 250 nJ cm–2 and reaching maximum open-circuit voltages of up to 1 V. In addition, the produced energy can be easily regulated by adjusting both enzyme and fuel concentration which can tune the electrical output according to the application. The systems described herein propose a new concept for self-sufficient energy harvesting that bridges biocatalysis and piezoelectricity, where the energy production is based on the piezoelectric effect triggered by enzymatic action rather than on the enzyme-driven electron transfer that governs biofuel cells. Although the electric output is too low yet to be considered an alternative for energy production, this technology opens the door to power small devices. We envision the utilization of this technology in such remote locations where mechanical energy is lacking but there are chemical energy reservoirs. We would like to acknowledge Marie-Curie Actions (NANOBIENER project), IKERBASQUE foundation for funding F.L.-G., and the support of COST Action CM1303 Systems Biocatalysis. We also acknowledge HERGAR foundation for the funding. Peer reviewed

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Recolector de Ciencia Abierta, RECOLECTA
    Article . 2018 . Peer-reviewed
    Data sources: Recolector de Ciencia Abierta, RECOLECTA
    ACS Applied Energy Materials
    Article . 2018 . Peer-reviewed
    Data sources: Crossref
    http://pubs.acs.org/doi/10.102...
    Other literature type
    Data sources: Microsoft Academic Graph
    Digital.CSIC
    Article . 2018 . Peer-reviewed
    Data sources: Digital.CSIC
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Recolector de Cienci...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Recolector de Ciencia Abierta, RECOLECTA
      Article . 2018 . Peer-reviewed
      Data sources: Recolector de Ciencia Abierta, RECOLECTA
      ACS Applied Energy Materials
      Article . 2018 . Peer-reviewed
      Data sources: Crossref
      http://pubs.acs.org/doi/10.102...
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  • Modelado de una bomba de calor agua/agua que combine la utilización de CO2 como refrigerante con energía geotérmica para la generación de agua caliente sanitaria ; Modelling of a water/water geothermal heat pump working with CO2 as refrigerant for the generation of hot domestic water

    descriptionPublicationkeyboard_double_arrow_right Bachelor thesis Spain
    Authors: Ruiz Casas, Víctor;

    handle: 10317/7106

    Este trabajo se centra en el modelado mediante TRNSYS de una bomba de calor geotérmica agua-agua que utiliza CO2 como refrigerante para producir agua caliente sanitaria (ACS), para posteriormente hacer un estudio comparativo con una instalación solar. Dicha instalación se encuentra disponible en el laboratorio de Calor y Frío del ELDI. Los objetivos principales del trabajo son: - Estudiar y entender el funcionamiento de la bomba de calor y de todos sus componentes. - Conocer las ventajas que presente el CO2 como refrigerante. - Búsqueda de información acerca de los sistemas de captación de energía geotérmica. - Modelar los componentes que constituyen una bomba de calor geotérmica. - Programar los modelos seleccionados mediante el compilador FORTRAN. - Simulación de la bomba de calor en TRNSYS a partir de los componentes programados que la forman. - Realizar un estudio comparativo con un sistema solar convencional a base de colectores solares. ; Escuela Técnica Superior de Ingeniería Industrial ; Universidad Politécnica de Cartagena

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  • Modelado de una bomba de calor agua/agua que combine la utilización de CO2 como refrigerante con energía geotérmica para la generación de agua caliente sanitaria ; Modelling of a water/water geothermal heat pump working with CO2 as refrigerant for the generation of hot domestic water

    descriptionPublicationkeyboard_double_arrow_right Bachelor thesis Spain
    Authors: Ruiz Casas, Víctor;

    handle: 10317/7106

    Este trabajo se centra en el modelado mediante TRNSYS de una bomba de calor geotérmica agua-agua que utiliza CO2 como refrigerante para producir agua caliente sanitaria (ACS), para posteriormente hacer un estudio comparativo con una instalación solar. Dicha instalación se encuentra disponible en el laboratorio de Calor y Frío del ELDI. Los objetivos principales del trabajo son: - Estudiar y entender el funcionamiento de la bomba de calor y de todos sus componentes. - Conocer las ventajas que presente el CO2 como refrigerante. - Búsqueda de información acerca de los sistemas de captación de energía geotérmica. - Modelar los componentes que constituyen una bomba de calor geotérmica. - Programar los modelos seleccionados mediante el compilador FORTRAN. - Simulación de la bomba de calor en TRNSYS a partir de los componentes programados que la forman. - Realizar un estudio comparativo con un sistema solar convencional a base de colectores solares. ; Escuela Técnica Superior de Ingeniería Industrial ; Universidad Politécnica de Cartagena

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