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description Publicationkeyboard_double_arrow_right Article 2020 ArgentinaAuthors: Stella, Paula F.; Garófalo, Augusto; Bahamonde, Pablo J.;Se estudia el potencial de generación de energía solar fotovoltaica en techos de toda la ciudad de Buenos Aires, tanto en edificios existentes como nuevos, con el objetivo de cuantificar el aporte que podría realizar esta tecnología en la mitigación de emisiones de gases de efecto invernadero, contextualizado en los compromisos de la ciudad de alcanzar la carbono neutralidad en el año 2.050. Se determina que con la actual tecnología solar fotovoltaica podría aportarse el 72% de los requerimientos de energía eléctrica de la ciudad, mitigándose el 29% del total de emisiones de la misma, aunque esta proporción podría variar con el tiempo, en función de la interacción entre mejores eficiencias, aumento en las emisiones y en la demanda energética local. Se estima la proyección de crecimiento de edificios nuevos y de emisiones hasta 2.050 y se consideran modificaciones normativas para propiciar la incorporación de instalaciones solares en las nuevas construcciones. Potential for rooftop photovoltaic solar energy is studied throughout Buenos Aires city, both in existing buildings and new projected buildings. The objective is quantifyng the contribution that this technology could make against greenhouse gas emissions, contextualized in the city’s commitments to achieve carbón neutrality by the year 2050. With current conditions of PV solar technology, 72% of electrical Energy requirements of the city could be provided, and 29% of total emissions could be mitigated, althouh this ratio could change over time, due the dinamic balance between state of art and the growth of emission and Energy demand. The growth projection of new buildings and emissions up to 2050 is also considered. Regulatory tools are proposed to promote the incorporation of solar facilities in new buildings. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2015 ArgentinaAuthors: Macé de Gastines, Maureen Florence Laure; Correa Cantaloube, Erica Norma; Pattini, Andrea Elvira;Las ventanas tienen un fuerte impacto sobre los consumos energéticos edilicios. Las tecnologías de aberturas aislantes desarrolladas intemacionalmente han mostrado resultados en los países fríos, pero no son necesariamente las más adecuadas para climas templados y soleados. Se calcularon mediante simulación los índices térmicos (K y FS) de tres tecnologías de ventanas con distintos niveles de aislación térmica, en el entorno climático de Mendoza. Luego se realizaron los balances energéticos detallados asociados, con el objetivo de cuantifícar los ahorros energéticos inherentes a una mejora tecnológica de las aberturas (doble vidrio hermético y ruptura de puente térmico). Asimismo, se analizó el impacto de la orientación de las aberturas en una vivienda sobre el consumo energético, para luego confrontar ambas estrategias. Los resultados sugieren que para las zonas de baja densidad edilicia, la adecuada distribución de las ventanas tiene mayor potencial de ahorro energético que la utilización de tecnologías conservativas de mayor costo y demanda tecnológica. Windows are a key factor in the building efficiency. Highly insulated windows developed internationally have shown positive results in cold climates, but they are not necessarily the most suitable technologies for temperate and sunny climates. The U-factor and solar heat gain coefficient of three windows technologies with different thermal insulation levels were calculated via simulation, in the climatic context of Mendoza. Then the associated energy balances were analyzed, in order to quantify the energy savings inherent to the window technological improvement (double glazing and thermal break). Furthermore, the influence of windows orientation on house energy consumption was analyzed, and both energy savings strategies (technological improvements and bioclimatic design) were compared. The results suggest that, in low building density contexts, an adequate windows distribution is more convenient in terms of energy savings, than the use of conservative windows. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 ArgentinaPublisher:Asociación Argentina de Energía Solar Authors: Fondoso Ossola, Santiago Tomás; Cristeche, Joaquina; Chévez, Pedro Joaquín; Barbero, Dante Andrés; +1 AuthorsFondoso Ossola, Santiago Tomás; Cristeche, Joaquina; Chévez, Pedro Joaquín; Barbero, Dante Andrés; Martini, Irene;handle: 11336/173785
El aprovechamiento de la energía solar para la sustitución de la energía proveniente de fuentes fósiles se ha consolidado en los últimos años como una alternativa viable. La amplia variedad de estrategias pasivas para el diseño arquitectónico y la disminución de costos de los sistemas activos para la transformación de la energía solar han incentivado a generar proyectos de diversas escalas, llevando a la necesidad de contar con herramientas que permitan evaluar la viabilidad de los mismos. El presente trabajo aporta una herramienta para determinar la radiación solar total sobre la superficie expuesta de edificios, otorgando resultados en forma gráfica y numérica. Dicha herramienta puede ser ejecutada utilizando el software Rhinoceros 3D. La misma se ha confeccionado con una metodología que consiste de 2 partes generales: 1. Simulación de efectos climáticos y 2. Simulación de la radiación solar en geometrías. Por último, se expone el uso de la herramienta en 3 establecimientos hospitalarios situados en la ciudad de La Plata. Se verifica su aplicabilidad para estudios de diversas escalas (urbana y edilicia), advirtiendo que cumple en gran medida con las siguientes características: amigable, compatible y accesible. The use of solar energy to replace energy from fossil fuels has become a viable alternative in recent years. The wide variety of passive strategies for architectural design and the decrease in cost of systems for the transformation of solar energy has encouraged the generation of projects of different scales, leading to the need for tools to evaluate their viability. This work provides a tool to determine the total solar radiation on the exposed surface of buildings, giving results in graphical and numerical form. This tool can be executed by Rhinoceros 3D software. It has been developed with a methodology, which can be understood in 2 general parts: 1. Simulation of climatic effects and 2. Simulation of solar radiation in geometries. Finally, the use of the tool in 3 hospital establishment located in the city of La Plata is presented. Its applicability for studies of different scales (urban and building) is verified, noting that it complies with the following characteristics: user-friendly, compatible and accessible. Fil: Fondoso Ossola, Santiago Tomás. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido. - Universidad Nacional de la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido.; Argentina Fil: Chevez, Pedro Joaquín. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido. - Universidad Nacional de la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido.; Argentina Fil: Barbero, Dante Andrés. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido. - Universidad Nacional de la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido.; Argentina Fil: Cristeche, Joaquina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido. - Universidad Nacional de la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido.; Argentina Fil: Martini, Irene. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido. - Universidad Nacional de la Plata. Instituto de Investigaciones y Politicas del Ambiente Construido.; Argentina
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2015 ArgentinaPublisher:Asociación Argentina de Energía Solar Authors: Mercado, María Victoria; Barea, Gustavo; Esteves Miramont, Alfredo;handle: 11336/42643
El objetivo principal del presente trabajo fue evaluar el comportamiento térmico de una vivienda de diseño bioclimático con características espaciales de doble altura, ubicada en la periferia de la ciudad de Mendoza. Se presentan resultados de un período de monitoreo a partir del cuál fue posible evaluar la situación térmica invernal con el edificio en régimen de uso. Posteriormente se procedió a simular la vivienda por medio del programa Energy Plus, con el propósito de evaluar la situación térmica anual y realizar comparaciones entre los consumos energéticos reales y los que mostraba la simulación. Se observa que el diseño de la vivienda responde a una forma eficiente dado que presenta un FAEP=1.5; cuenta con suficiente masa térmica para amortizar la situación de amplitud térmica exterior y que demanda un consumo energético máximo de 38KW.h/m2 año en el período invernal. Desde el diseño se concluye que es factible su uso dentro de un diseño bioclimático integrado, otorgando a los arquitectos una herramienta de diseño enriquecedor espacialmente. Fil: Barea Paci, Gustavo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ciencias Humanas, Sociales y Ambientales; Argentina Fil: Esteves Miramont, Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ciencias Humanas, Sociales y Ambientales; Argentina Fil: Mercado, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ciencias Humanas, Sociales y Ambientales; Argentina
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2015 ArgentinaAuthors: Lescano, Jorge; Oliva, Rafael Beltrán; Triñanes Barrientos, Patricio; Cortez, Néstor Javier;En los sistemas de generación foto voltaica, un problema que se presenta a altas latitudes (ej Patagonia Austral) es la variación significativa del ángulo de captación óptima según la estación del año. Puede incrementarse la eficiencia en la captación de la radiación solar adaptando el ángulo de inclinación de los paneles para mantener el suministro de electricidad en época invernal utilizando lo menos posible una fuente energética complementaria. Se buscó realizar una evaluación cuantitativa de dicha mejora a través de mediciones comparadas. El presente trabajo muestra los avances en la instrumentación del sistema de medición comparativa de la potencia y la energía generada por dos juegos de paneles fotovoltaicos, uno con inclinación fija y otro con ángulo adaptable mensualmente, y las dificultades encontradas a partir del análisis de los primeros datos comparables. Se muestran las actividades de diseño y montaje, configuración del equipamiento durante 2014 y los resultados preliminares de nuevas mediciones comparativas realizadas desde inicio de 2015. This paper presents the preliminary results of current and power measurements intended to compare angle effects in two sets of photovoltaic panels, located in a common installation in South Patagonia. The evolution from the first experimental setup, some notable power differences detected in first observations and a series of implementation issues are discussed, as well as the probable sequence of experiments required to establish a usable result in the near future. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 ArgentinaAuthors: Mateos, Paula Stefanía; Hamet, María Fernanda; Bideberripe, Hernán Pablo; Navas, Marisa Belén; +2 AuthorsMateos, Paula Stefanía; Hamet, María Fernanda; Bideberripe, Hernán Pablo; Navas, Marisa Belén; Briand, Laura Estefanía; Matkovic, Silvana Raquel;En esta contribución se presenta el estudio sobre la aplicación del biocatalizador comercial Eversa® Transform en reacciones de transesterificación de aceite de girasol usado en cocción. En particular, se investigaron distintas relaciones molares aceite:alcohol, diversos alcoholes lineales de cadena corta (metanol, etanol, propanol y butanol), cantidad de biocatalizador y agregado de agua al medio de reacción. Centro de Investigación y Desarrollo en Ciencias Aplicadas
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 ArgentinaAuthors: Prario, Igor Sebastián; Godfrin, Elena María; Durán, Julio César;El satélite SAC-D/Aquarius fue puesto en órbita el 10 de junio de 2011 con paneles solares desarrollados e integrados en la Comisión Nacional de Energía Atómica (CNEA). Utilizando códigos numéricos desarrollados en la CNEA, se realizó una simulación de la característica tensión – corriente y la estimación de la potencia generada en condiciones normalizadas para cada módulo. Se utilizó también un modelo térmico unidimensional para estimar la temperatura del panel solar considerando condiciones estacionarias de transferencia térmica entre ambas caras del panel. En este trabajo se presentan parte de los análisis de datos telemétricos (eléctricos y de temperatura) recibidos desde el lanzamiento hasta fines de junio de 2012 y su comparación con las simulaciones teóricas. Se observa un buen acuerdo entre los datos recibidos por telemetría y las simulaciones, pudiéndose concluir que los paneles solares funcionan adecuadamente y que no se han detectado, durante el período analizado, diferencias en sus características eléctricas asociadas a daño por radiación. Aquarius/SAC-D space mission was launched on June 10, 2011. The Solar Array for this mission has been developed and integrated in the Argentine National Atomic Energy Commission (CNEA). The evaluation of the electrical characteristics and the expected power generation of each module of the Solar Array has been performed by means of a numerical code developed at CNEA. Moreover, a one dimensional thermal model was used for estimating the solar panels temperatures, considering steady state conditions for the thermal transfer between the front and rear faces. In this paper, the analysis of some of the telemetry data received between launch and June 2012 and the comparison with theoretical simulations are presented. The good agreement between measured values and simulations allows to conclude that the Solar Array is working according to expectations and that no experimental evidence of electrical degradation due to radiation damage has been observed during this period. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 ArgentinaAuthors: Mealla Sánchez, Luis Enrique;Se presenta una comparación de dos distintas metodologías de análisis del comportamiento en cuanto al rendimiento de secaderos invernaderos de simple y doble cámara, aplicadas a un conjunto de medidas generadas en un prototipo de laboratorio construido a escala. Las medidas de laboratorio se realizaron bajo radiación artificial de valor constante, flujo de aire a velocidades relacionadas mediante escala con un secador real. Se tomaron dos grupos de medida: uno donde el producto es agua en bandejas de plástico y otro donde se simula un producto real. Se pretende demostrar que el rendimiento del secadero de doble cámara es mejor que el de cámara simple, bajo dos metodologías: la del modelo de secadero invernadero propuesto por Saravia de INENCO y el denominado Índice de Performance del Secador (IPS). Los resultados de ambas metodologías aplicadas a los grupos de medidas confirman el mayor rendimiento del secador de doble cámara comparado con el de cámara simple. The purpose of the research is to compare different methodologies that analyze the performance of simple and double chambers greenhouse dryers applied to a scale prototype. Data is gathered under constant artificial radiation and air flow at different velocity rates, measuring two different test groups: simple water and a simulated product. The comparison is based on the workings of Saravia et al. (1990) and that of Singh and Kumar (2012) known as the dryer performance index. Results show that the double chamber green house dryer is more efficient under both analyses. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2017 ArgentinaPublisher:ASADES Durán, J.C.; Argañaraz, C.; Pedro, G.; Eyras, I.H.; Godfrin, E.M.; Ruótolo, A.; Pedace, R.; Benvenutto, J.C.; Di Santo, J.; Muñoz, S.; Rinaldi, C.A.;El proyecto “Generación foto voltaica distribuida y redes inteligentes en la localidad de Centenario, Provincia del Neuquén.”, parcialmente financiado con Fondos Sectoriales (FONARSEC) del Ministerio de Ciencia, Tecnología e Innovación Productiva, se encuentra en ejecución desde fines de 2015 a través del CAPP IRESUD-RI, conformado por la Universidad Nacional de San Martín (UNSAM), el Ente Provincial de Energía del Neuquén (EPEN) y la empresa Aldar S.A.. Cuenta, asimismo, con la participación del Departamento Energía Solar de la CNEA. El proyecto prevé la instalación de sistemas fotovoltaicos distribuidos, con una potencia total de alrededor de 200 kW, conectados a la red de distribución eléctrica bajo una subestación transformadora de 500 kVA. En este trabajo, se presenta el estado de avance del proyecto, en particular en lo referente a la selección del sitio, el modelado del sistema de distribución y el diseño de los sistemas fotovoltaicos. Asimismo, se realiza un análisis preliminar de las externalidades del proyecto. The project "Distributed photovoltaic generation and smart grid in the town of Centenario, Province of Neuquén," partially financed with Sectoral Funds (FONARSEC) of the Ministry of Science, Technology and Productive Innovation, is being implemented since the end of 2015 through the Consortium IRESUD-RI, formed by the National University of San Martín (UNSAM), the Provincial Energy Entity of Neuquén (EPEN) and the company Aldar S.A.. The Solar Energy Department of the Argentine Atomic Energy Commission (CNEA) is also participating. The project entails the installation of distributed photovoltaic systems with a total capacity of approximately 200 kW, connected to the electrical distribution network via a 500 kVA transformer substation. In this document, the state of progress of the project is presented, particularly regarding site selection, modeling of the distribution system and design of photovoltaic systems. Also, a preliminary analysis of the project's externalities is carried out. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 ArgentinaAuthors: Di Laccio, José Luis; Monetta, Andrés; Alonso-Suárez, Rodrigo; Abal, Gonzalo;En este trabajo se analizan dos modelos horarios para la fracción PAR en toda condición de cielo utilizando datos de cuatro estaciones de medida en Uruguay. Se considera el modelo pre-existente de mejor desempeño a la fecha y una nueva propuesta de modelo. Se realizó un control de calidad a escala minutal de las medidas que contempla límites enGh yQp, así como en ktp y fp, e incluye consideraciones geométricas en cos θz. Se determinan los coeficientes locales de los modelos y se evalúa su desempeño a través de los estadísticos rMBD, rMAD y rRMSD. Se concluye que la nueva propuesta, basada en un polinomio de grado tres en ln(kt), mejora al modelo pre-existente. Para la estación de mayor estadística temporal (2017-2020) se analiza en forma preliminar la estadística descriptiva de la radiación PAR mensual y anual. La radiación PAR tuvo en este periodo su mayor promedio mensual en diciembre con (57.3 ± 16.2) mol/m² día y su mínimo en junio con (17.9 ± 7.8) mol/m² día. El promedio anual de Qp fue de 36.8 mol/m² día y la fracción PAR anual fue de (2.11 ± 0.05) μmol/J. In this work two hourly PAR fraction all-sky models are analyzed in four measuring sites in Uruguay. The best performing pre-existing model to date is considered along with a novel proposal. The quality control includes limits on the one-minute values of Gh and Qp, as well as ktp and fp, and also geometrical considerations based on cos θz. The models’ local coefficients are determined and their performance is assessed by using the rMBD, rMAD and rRMSD metrics. It is concluded that the new proposal, based on the three-degree polynomial of ln(kt), outperforms the previous model. For the station with longer data statistics (2017-2020), a preliminary monthly and annual assessment is done for the PAR radiation. During the considered period, the PAR photon’s amount had a maximum in December of (57.3 ± 16.2) mol/m² day and a minimum in June of (17.9 ± 7.8) mol/m² day. The Qp annual average was 36.8 mol/m² day and the annual PAR fraction was (2.11 ± 0.05) μmol/J. Asociación Argentina de Energías Renovables y Medio Ambiente (ASADES)
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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