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Estudio experimental y numérico de una pared solar en clima templado
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Advisor(s)
Abstract(s)
RESUMEN: Las paredes solares se utilizan desde épocas remotas y en lugares donde el clima presenta una considerable amplitud térmica. Hoy se utilizan incluso para ventilación en veranos de climas templados. Sin embargo, hay pocos estudios sobre el uso de esta tecnología en climas templados o húmedos. En este trabajo se realiza un estudio experimental y numérico de un cuarto de ensayo en Uruguay con un muro acumulador de energía solar orientado al ecuador, para diferentes configuraciones de sombreado del muro con una persiana programable. Se ajustan los parámetros del sistema logrando una buena concordancia entre los datos experimentales y un modelo numérico en el programa EnergyPlus. Además, se analiza el intercambio de energía del muro con la habitación en función de la apertura o no de la persiana.
ABSTRACT: Solar walls have been used since ancient times and in places where the climate has a considerable thermal amplitude. Today solar walls are also used for ventilation in summers of temperate climates. However, there are few studies on the use of this technology in temperate or humid climates. In this work, an experimental and numerical study of a test room in Uruguay is carried out with a solar energy accumulator wall facing to the equator, for different shading configurations of the wall with a blind. The system parameters were adjusted achieving a good agreement between the experimental data and the numerical model in the EnergyPlus software. In addition, the energy exchange of the wall with the room is analyzed depending on the opening or not of the blind.
ABSTRACT: Solar walls have been used since ancient times and in places where the climate has a considerable thermal amplitude. Today solar walls are also used for ventilation in summers of temperate climates. However, there are few studies on the use of this technology in temperate or humid climates. In this work, an experimental and numerical study of a test room in Uruguay is carried out with a solar energy accumulator wall facing to the equator, for different shading configurations of the wall with a blind. The system parameters were adjusted achieving a good agreement between the experimental data and the numerical model in the EnergyPlus software. In addition, the energy exchange of the wall with the room is analyzed depending on the opening or not of the blind.
Description
CIES2020 - XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar
Keywords
Solar energy Solar wall Energy efficiency Numerical simulation
Pedagogical Context
Citation
Vitale, G... [et.al.] - Estudio experimental y numérico de una pared solar en clima templado. In: CIES2020: As Energias Renováveis na Transição Energética: Livro de Comunicações do XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar. Helder Gonçalves, Manuel Romero (Ed.). Lisboa, Portugal: LNEG, 3-5 Novembro, 2020, p. 1131-1139
Publisher
LNEG - Laboratório Nacional de Energia e Geologia