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首页> 外文期刊>Applied Mechanics and Engineering >UNSTEADY CONVECTION AND MASS TRANSFER FLOW IN THREE DIMENSION OVER AN INCLINED PLATE THROUGH A POROUS MEDIUM WITH PERIODIC PERMEABILITY
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UNSTEADY CONVECTION AND MASS TRANSFER FLOW IN THREE DIMENSION OVER AN INCLINED PLATE THROUGH A POROUS MEDIUM WITH PERIODIC PERMEABILITY

机译：周期性渗透的多孔介质在倾斜平板上三维上的非稳态对流和传质流

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摘要

A three dimensional unsteady convection flow of a viscous incompressible fluid through a highly porous medium with mass transfer effects bounded by an infinite inclined porous plate is analyzed. Assuming the free stream velocity to be uniform, approximate solutions are obtained and the effects of the following: the magnetic field (M), permeability parameter (K_0), thermal Grashof number (Gr), mass Grashof number (Gc), Prandtl number (Pr), Schmidt number (Sc) and angle of inclination (a )on the velocity field, the temperature field, skin friction and the rate of heat transfer are discussed with the help of graphs. It is observed that an increase in K_0 increases the skin friction but decreases the Nusselt number near the plate which increases as we move away from the plate whereas increase in M decreases the skin friction as well as the Nusselt number near the plate.
机译：分析了粘性不可压缩流体通过高度多孔介质的三维非稳态对流，该介质具有无限倾斜的多孔板，具有传质效果。假设自由流速度均匀，则获得近似解，并受到以下影响：磁场（M），磁导率参数（K_0），热格拉斯霍夫数（Gr），质量格拉斯霍夫数（Gc），普朗特数（ Pr，Schmidt数（Sc）和倾斜角（a）在速度场，温度场，皮肤摩擦和传热速率的帮助下通过图表进行了讨论。可以观察到，K_0的增加会增加皮肤摩擦，但会降低板附近的Nusselt数，随着我们远离板，Nusselt数会增加，而M的增加会降低皮肤摩擦以及板附近的Nusselt数。

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