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A study on a porous residential building model in hot and humid regions: Part 1—the natural ventilation performance and the cooling load reduction effect of the building model |
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| Authors: | Tomoko Hirano Shinsuke Kato Shuzo Murakami Toshiharu Ikaga Yasuyuki Shiraishi |
| Affiliation: | 1. Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan;2. Faculty of Science and Technology, Keio University, 4-1-1 Hiyoshi, Kouhoku-ku, Yokohama-shi, Kanagawa 223-8521, Japan;3. Nikken Sekkei Ltd., 2-18-3 Iidabashi, Chiyoda-ku, Tokyo 102-8117, Japan;4. Faculty of Environmental Engineering, The University of Kitakyushu, 1-1 Hibikino, Wakamatsu-ku, Kitakyushu-shi, Fukuoka 808-0135, Japan |
| Abstract: | This study targets environmental load reduction in hot and humid regions. It reveals the effects that porous residential buildings have on the natural ventilation performance and, consequently, the cooling load reduction. Two residential building models, namely a model with a void ratio of 0% and a model with a void ratio of 50%, are evaluated using computational fluid dynamics (CFD) analysis and thermal and airflow network analysis. The analysis on components of the heat load indicates that improvements in the natural ventilation performance would significantly reduce the cooling load. |
| Keywords: | Hot and humid regions Void Natural ventilation Cooling load Computational fluid dynamics analysis Thermal and airflow network analysis |
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