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Simulation of Flow Field in an Urban Canopy Layer during the Strong Wind
Author(s): 
Pages: 255-264
Year: Issue:  2
Journal: CHINESE JOURNAL OF ATMOSPHERIC SCIENCES

Keyword:  城市冠层有效空气体积比形式阻力;
Abstract: 发展了基于k-ε湍流闭合方法的城市冠层流场模式,建筑群采用多孔介质来表示,对气流的阻力以形式阻力来描述,采用该模式模拟北京市一个小区的流场,并将模拟结果与北京325 m气象塔观测资料进行比较,结果表明:在大风情况下,计算风廓线与观测拟合风廓线比较吻合.该模式可以用于大风条件下城市冠层流场的模拟.
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