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湍流扩散系数
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湍流扩散系数
Encyclopedia
工学
纳微尺度流动
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turbulent diffusion coefficient
湍流扩散系数
动量、热量和物质等物理属性量的湍流通量正比于物理属性量的平均梯度的比例系数。湍流扩散是质量、热量和动量由于随机、混沌的非定常涡旋运动而进行输运的混合过程,主要发生于陡峭的浓度梯度、密度梯度以及高速度的湍流区域。
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