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Slip effect on an unsteady MHD stagnation-point flow of a micropolar fluid towards a shrinking sheet with thermophoresis effect

机译:滑移效应对微极性流体的非稳态MHD停滞点流向收缩片的影响,具有热泳效应

摘要

The effect of slip and thermophoresis on an unsteady magnetohydrodynamic stagnation-point-flow micropolar fluid with heat and mass transfer towards a shrinking sheet has been investigated. The governing equations are reduced to a system of non-dimensional partial differential equations by using similarity transformation, before being solved numerically using the Keller-box method. The effects of various physical parameters on the velocity, microrotation, temperature, and concentration profiles as well as the reduced skin friction, the reduced Nusselt number, and the reduced Sherwood number are analyzed and discussed graphically. It is found that the concentration boundary layer thickness decreases with increasing values of the thermophoresis. Comparison with previously published results under the limiting cases is made and found to be in excellent agreement.
机译:研究了滑动和热泳对不稳定的磁流体动力学停滞点流微极性流体的影响,该流体具有向收缩片的热和质量传递。在使用凯勒盒方法进行数值求解之前,通过使用相似性变换将控制方程简化为一个无量纲偏微分方程系统。分析和讨论了各种物理参数对速度,微旋转,温度和浓度分布以及减少的皮肤摩擦,减少的Nusselt数和减少的Sherwood数的影响。发现随着热泳值的增加,浓度边界层厚度减小。在有限的情况下,与以前发表的结果进行了比较,发现结果非常吻合。

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