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首页> 外文期刊>International journal of applied mechanics and engineering >MHD FREE CONVECTION HEAT AND MASS TRANSFER IN A DOUBLY STRATIFIED DARCY POROUS MEDIUM CONSIDERING SORET AND DUFOUR EFFECTS WITH VISCOUS DISSIPATION
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MHD FREE CONVECTION HEAT AND MASS TRANSFER IN A DOUBLY STRATIFIED DARCY POROUS MEDIUM CONSIDERING SORET AND DUFOUR EFFECTS WITH VISCOUS DISSIPATION

机译：考虑粘性和弥散效应的双重分层达西多孔介质中的MHD自由对流传热和传质

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摘要

Numerical studies are performed to examine the Soret, Dufour and viscous dissipation effects on steady MHD, free convection heat and mass transfer from a vertical surface in a doubly stratified Darcy porous medium. The non-linear partial differential equations, governing the problem under consideration, have been transformed by a similarity transformation into a system of ordinary differential equations, which is solved numerically by using the implicit finite difference scheme. The effects of various parameters on the flow field have been examined. The results for the wall temperature and concentration obtained are presented for various values of the parameters Le, N, M, Ec , Sr, Df, ε_1, ε_2 .
机译：进行了数值研究，以研究双重分层达西多孔介质中Soret，Dufour和粘性耗散对稳态MHD，自由对流热和垂直表面传质的影响。非线性的偏微分方程，解决了所考虑的问题，已通过相似变换转换为一个常微分方程组，可使用隐式有限差分方案对其进行数值求解。已经检查了各种参数对流场的影响。对于参数Le，N，M，Ec，Sr，Df，ε_1，ε_2的各种值，给出了获得的壁温和浓度的结果。

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