Abstract
Housing in Egypt consumes high energy for cooling. Bioclimatic building design is one of the strategies of sustainable development. The aim of the present research is to investigate the thermal performance of solar chimney with passive cooling wind tower (SCPC) on occupant’s comfort. The passive cooling design is integrated on the ceiling of 30 m2 test house. Monitoring of indoor environment was carried out over a period of two months in the summer season (September and early October) with a 2 minute interval in order to calculate thermal comfort sensation, Predicted mean vote (PMV) and PPD. The results show that outlet air temperature from the wind tower is 27.3°C. The calculated predicted mean vote (PMV) is within the recommended range (-0.5<PMV<+0.5). This indicates that occupants remain satisfied with indoor thermal environment after using the passive cooling system and the difference is nearly 8 K between outdoor and indoor. The results of this research provide information of the system applicability in the climate of Assiut during day time in order to develop and install on top of real residential buildings in New Assiut, Egypt.
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