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首页> 外文会议>PALENC(Passive and Low Energy Cooling) Conference on Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century;AIVC(Air Infiltration and Ventilation Centre) Conference on Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century >Enhancement of cross-ventilation of a detached house using roof surfaces in densely populated urban areas Parti Wind pressure distribution by wind tunnel experiment
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Enhancement of cross-ventilation of a detached house using roof surfaces in densely populated urban areas Parti Wind pressure distribution by wind tunnel experiment

机译：在人口稠密的城市地区使用屋顶表面增强独立式住宅的交叉通风Parti通过风洞实验进行风压分布

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In Asian countries under sultry climatic conditions including Japan, natural ventilation and cross-ventilation at nighttime give very good effects on the improvement of physical conditions of the residents and on the cooling of the buildings in intermediate and summer seasons. However, a densely populated urban area such as Tokyo, sufficient ventilation flow rate may not be necessarily maintained because the distances between neighboring houses are shorter and also because of the problem to keep privacy of the residents between the windows, which are positioned face-to-face on wall surfaces, in Part 1 of the present study, it is attempted to perform wind tunnel experiment to evaluate the changes of wind pressure coefficient on the buildings when gross building coverage ratio is changed, and assessment is made on the possibility to effectively utilize the results of the study of cross-ventilation on roof surfaces in the densely populated urban area. The results of the study suggest that, in case the openings are installed on roofs, better effects can be expected on roof surfaces than the case where the openings are installed on wall surfaces.
机译：在包括日本在内的闷热气候条件下的亚洲国家中，夜间的自然通风和交叉通风对改善居民的身体状况以及在夏季和夏季为建筑物的制冷提供了很好的效果。然而，在人口密集的市区（例如东京），由于相邻房屋之间的距离更短，并且还存在着保持面对面放置的窗户之间的居民隐私的问题，因此不一定要保持足够的通风流量。表面研究中，在本研究的第1部分中，尝试进行风洞实验，以评估总建筑覆盖率变化时建筑物上的风压系数的变化，并评估有效地进行改造的可能性。利用人口稠密的市区屋顶表面交叉换气的研究结果。研究结果表明，与在墙壁上安装开口的情况相比，在屋顶上安装开口的情况下，可以预期在屋顶表面具有更好的效果。

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