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Fecha
2022
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info:eu-repo/semantics/openAccess
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Universidad Nacional de Educación a Distancia (España), Universidad Politécnica de Madrid. Departamento de Ingeniería Mecánica
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Resumen
El presente trabajo investiga el comportamiento de sistemas térmicos de frío solar accionados por colectores lineales Fresnel (STCS_LFC), considerando los efectos combinados producidos por la variación del dimensionamiento de sus principales componentes, las condiciones climáticas y la tipología del edificio, con el objetivo de generar relaciones matemáticas de amplia aplicación que sirvan para un predimensionamiento rápido y práctico de la instalación, y para la estimación de sus prestaciones energéticas. La demanda horaria de refrigeración de los edificios se estimó a través del software Design Builder, el rendimiento de los STCS_LFC se estudió utilizando una herramienta de simulación realista y las expresiones matemáticas; objetivo del estudio, se obtuvieron mediante regresiones lineales de las simulaciones realizadas. Los resultados obtenidos incluyen expresiones matemáticas basadas en la demanda de refrigeración, el área de apertura solar y el volumen del tanque, para el dimensionamiento de STCS_LFC y la estimación de sus requerimientos y consumos energéticos, por tipo de edificio y zona climática.
The present work investigates the performance of solar thermal cooling systems driven by linear Fresnel collectors (STCS_LFC), considering the combined effects produced by the variation of the sizing of its main components, the climatic conditions and the typology of the building, with the objective of generating mathematical relations of wide application to be used for a quick and practical pre-dimensioning of the installation, and for the estimation its energy requirements and consumptions. The hourly cooling demand of the buildings were estimated through Design builder software, the performance of STCS_LFC was studied using a realistic simulation tool, and the mathematical expressions; objective of the study, were obtained through linear regressions of the performed simulations. The obtained results include mathematical expressions based on the cooling demand, solar aperture area and tank volume, for the dimensioning of STCS_LFC and the estimation of its energy requirements and consumptions, by building type and climatic zone.
The present work investigates the performance of solar thermal cooling systems driven by linear Fresnel collectors (STCS_LFC), considering the combined effects produced by the variation of the sizing of its main components, the climatic conditions and the typology of the building, with the objective of generating mathematical relations of wide application to be used for a quick and practical pre-dimensioning of the installation, and for the estimation its energy requirements and consumptions. The hourly cooling demand of the buildings were estimated through Design builder software, the performance of STCS_LFC was studied using a realistic simulation tool, and the mathematical expressions; objective of the study, were obtained through linear regressions of the performed simulations. The obtained results include mathematical expressions based on the cooling demand, solar aperture area and tank volume, for the dimensioning of STCS_LFC and the estimation of its energy requirements and consumptions, by building type and climatic zone.
Descripción
Categorías UNESCO
Palabras clave
Energía solar, Refrigeración por absorción, Colector linear Fresnel, EES, Design Builder
Citación
Centro
E.T.S. de Ingenieros Industriales
Departamento
Mecánica