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University of Manchester (1988)

A bioclimatic approach to passive solar design in Algeria

Boumara, M-S

Titre : A bioclimatic approach to passive solar design in Algeria

Auteur : Boumara, M-S

Université de soutenance : University of Manchester

Grade : M.Phil. 1988

Résumé
Despite a variety of Algerian climatic zones, the difference in human response, and the different effect of environmental factors in each regions, the design method employs the same technical procedures. The overall aim of my research is to establish a bioclimatic approach to passive solar design in Algeria. This will show an understanding of the direct utilisation of ambient and renewable energy sources such as sun, wind and water, by what is called climate-balanced building. Because of the wide variety of climate, an introduction to the Algerian climate on thermal comfort and building design is analysed. A bioclimatic analysis of different regions is undertaken, and the design measures for maintaining thermal comfort are evaluated. As solar radiation is the most critical climatic element determining the Algerian climate, a computer program has been developed to predict solar radiation and to assess its contribution to the sensible heating effect on the ambient air temperature in terms of sol-air and surface temperatures. Design and evaluation of shading device for solar control is discussed in detail, paying particular attention to the eggcrate shading device. As a result, a computer program enables the simulation of the effect of the shading device in controlling the quantity of solar radiation entering the building. Since wind is considered as the most important natural means for cooling in hot weather, an investigation assessing ventilation performance in relation to human comfort and passive cooling of buildings during overheated periods was carried out, with emphasis on the importance of studying the aerodynamics of single-cell buildings, using a wind-tunnel. An approach to the problem and technical analysis of evaporative cooling systems and their applications for the environmental control is undertaken. Finally, the research is concluded by many recommendations for passive design in Algeria.

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Page publiée le 9 février 2015, mise à jour le 11 novembre 2019