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首页> 外文期刊>Journal of Heat Transfer >Free Convective Heat and Mass Transfer in a Doubly Stratified Non-Darcy Porous Medium
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Free Convective Heat and Mass Transfer in a Doubly Stratified Non-Darcy Porous Medium

机译：双层非达西多孔介质中的自由对流传热和传质

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摘要

Free convective heat and mass transfer from a vertical surface embedded in a doubly stratified non-Darcy porous medium has been analyzed. The wall temperature and concentration are constant and the medium is linearly stratified in the vertical direction with respect to both temperature, and concentration. A series approximation is made for stream function, temperature, and concentration in terms of the stratification parameter. The flow, temperature, and concentration fields are affected by the complex interactions among the diffusion ratio Le, buoyancy ratio N and stratification ratio Sr in addition to the inertia parameter F{sub}c. The effect of double stratification of the medium on nondimensional heat and mass transfer coefficients is discussed.
机译：已经分析了嵌入双层复层非达西多孔介质中的垂直表面的自由对流传热和传质。壁温度和浓度是恒定的，并且介质相对于温度和浓度在垂直方向上线性分层。根据分层参数，对流函数，温度和浓度进行了一系列近似。除了惯性参数F {sub} c之外，流率，温度和浓度场还受扩散率Le，浮力率N和分层率Sr之间的复杂相互作用的影响。讨论了介质的双重分层对无量纲传热和传质系数的影响。

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