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首页> 外文期刊>Fluid mechanics research >HEAT AND MASS TRANSFER ON UNSTEADY, MAGNETOHYDRODYNAMIC, OSCILLATORY FLOW OF SECOND-GRADE FLUID THROUGH A POROUS MEDIUM BETWEEN TWO VERTICAL PLATES, UNDER THE INFLUENCE OF FLUCTUATING HEAT SOURCE/SINK, AND CHEMICAL REACTION
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HEAT AND MASS TRANSFER ON UNSTEADY, MAGNETOHYDRODYNAMIC, OSCILLATORY FLOW OF SECOND-GRADE FLUID THROUGH A POROUS MEDIUM BETWEEN TWO VERTICAL PLATES, UNDER THE INFLUENCE OF FLUCTUATING HEAT SOURCE/SINK, AND CHEMICAL REACTION

机译：通过两个垂直板之间的多孔介质，在两个垂直板之间的多孔介质，在波动热源/水槽的影响下，热和传质，二级流体的振荡流动的热量和传质通过多孔介质，以及化学反应

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摘要

We consider the unsteady, magnetohydrodynamic, oscillatory flow of an incompressible, electrically conducting, second-grade fluid through a saturated, porous medium between two vertical plates that are under the influence of a uniform, transverse, magnetic field normal to the plates, with heat source and chemical reaction. One plate of the vertical channel is kept stationary, whereas the other is oscillating with uniform velocity; the two plates are subjected to constant injection and suction velocities, respectively. The flow through the porous medium is governed by the equation for Brinkman's model for momentum. The closed-form solutions of the governing equations are obtained for velocity, temperature, and concentration profiles, with use of the perturbation technique. The effects of various governing parameters on these three profiles are computationally discussed and graphically presented. Skin friction, Nusselt number, and Sherwood number are obtained analytically, and their behaviors are computationally discussed.
机译：我们考虑不可稳定，磁力流体动力学，振荡流动通过饱和的多孔介质在两个垂直板之间的饱和多孔介质，在两个垂直板之间，其在均匀，横向，磁场对板的均匀磁场的影响，具有热量来源和化学反应。垂直通道的一板保持固定性，而另一个板具有均匀的速度振荡;两块板分别持续注射和吸入速度。通过多孔介质的流动由Brinkman模型的动量的方程管辖。用扰动技术获得控制方程的闭合溶液，用于速度，温度和浓度谱。各种控制参数对这三种轮廓的影响是计算和图形呈现的。在分析上获得皮肤摩擦，露珠和舍伍德号，并且它们的行为是在计算上讨论的。

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