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Effect of insulation type and material on the heating energyrequirements of buildings in desert areas: a case study in Adrar region
Efecto del tipo y el material de aislamiento en las necesidadesenergéticas de calefacción de los edificios en zonas desérticas: unestudio de caso en la región de Adrar
DOI:
https://doi.org/10.15446/dyna.v93n243.126723Palabras clave:
building envelope, thermal insulation, heat transfer, heating loads, desert climate (en)envolvente del edificio, aislamiento térmico, transferencia de calor, cargas térmicas, clima desértico (es)
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This paper investigates the effect of insulation type and material on the heating loads of buildings in the Adrar region. The study is based on a university professor's residence with a surface area of 90 m2. The heating loads of the building were calculated by modelling the different heat transfer patterns in the room and recreating the heat transfer equations used in the energy balance for each material in the room, considering the dimensions of the building, the material properties of the walls, ceilings and windows, and the differences in outside temperatures on the hottest day. The results obtained showed that the heating loads of the walls represent 56% of the total heating needs and that using clay instead of an air gap in double-skin walls reduces the heating load by 34%.
Este artículo analiza el efecto del tipo y el material de aislamiento en las cargas térmicas de los edificios de la región de Adrar. El estudio se basa en la residencia de un profesor universitario con una superficie de 90 m2. Las cargas de calefacción del edificio se calcularon modelizando los diferentes patrones de transferencia de calor en la estancia y recreando las ecuaciones de transferencia de calor utilizadas en el balance energético para cada material de la estancia, teniendo en cuenta las dimensiones del edificio, las propiedades de los materiales de las paredes, los techos y las ventanas, y las diferencias de temperatura exterior en el día más caluroso. Los resultados obtenidos mostraron que las cargas térmicas de las paredes representan el 56 % de las necesidades totales de calefacción y que el uso de arcilla en lugar de una cámara de aire en las paredes de doble capa reduce la carga térmica en un 34 %.
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