科研之友
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摘要
The average ratio of frontal area has significant effects in residential outdoor wind environment.Through different angle of the wind, different average ratios of frontal are obtained.Using Computational fluid dynamics (CFD) method to study the outdoor wind environment of the one of Guangzhou residential cluster and the established Guangzhou typical enclosed residential cluster which effected by average ratio of frontal area.Adopt evaluation standards as follows, average wind speed ratio (v-), area ratio of outdoor approximation calm wind zoon(Sun), area ratio of enclosed circle approximation calm wind zoon(Sin) and area ratio of unacceptable zoon(Sd).The results show that average ratio of frontal area correspondences to (v) of residential cluster that first floor overhead, but can't evaluate enclosure residential cluster's outdoor wind environment with single average ratio of frontal area, especially the enclosed residential cluster's enclosed circle wind environment.
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