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Experimental measurements of the turbulence characteisics unver sheared air-water interfaces
Authors
王双峰
王晋军
贾复
Publication date
1 January 2004
Publisher
Abstract
通过实验研究了受气流剪切但无明显波动的水气界面下的湍流特性。当界面剪切较强(‰≥O.20cn∥s)时,水面边界层中平均流速、速度脉动强度和Reynolds切应力的分布形状与固壁湍流相似,预示剪切水气界面和固壁附近的湍流相干结构是相类似的。另一方面,水面湍流也表现出不同于固壁湍流的细节特征。与自由面湍流不同的是,在靠近剪切水气界面的流场中流向和垂向速度脉动同时受到抑制
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018