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城市街区与建筑物对气流特征影响的数值模拟研究

张宁,蒋维楣,王晓云

Kongqi Donglixue Xuebao/Acta Aerodynamica Sinica（2002）

Cited 7|Views1
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Abstract
利用一个湍流能量闭合的三维城市街渠气流模式对一个范围为1250m×1200m的居民小区中的建筑物群体对不同来流风向下小区内的流场结构的影响进行了诊断分析.模拟表明:小区内建筑物复杂的几何形状所引起的空气动力学强迫作用使得该区域内的气流结构十分复杂.建筑物的阻挡和拖曳作用会在低层产生风速的亏损.
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Key words
Flow structure,Numerical simulation,Turbulence energy (k-ξ) closure,Urban blocks and buildings
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