文章基本信息

标题：Effect of Wind Direction on Airflow and Pollutant Dispersion Inside a Street Intersection
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作者：Huang Lihua ; Huang Yuandongj ; He Wenrong 等
期刊名称：Nature, Environment and Pollution Technology
印刷版ISSN：0972-6268
出版年度：2015
卷号：14
期号：2
语种：English
出版社：Technoscience Publications
摘要：The airflow and pollutant dispersion inside a street intersection under six different wind directions (=0°,±10°, ±30° and 45°) were evaluated using the computational fluid dynamics (CFD) approach. The numericalresults reveal that the flow and pollutant dispersion inside a street intersection are greatly influenced by theincoming wind direction: (1) The air exchange between the outer flow and the intersection interior is thestrongest under the wind direction angles of ±10°, while it is the weakest for the wind direction angle of 45°;(2) the pollutants from the intersection centre at the ground level are transported into the different streetsdepending on the various wind directions.