多孔介质中纳米流体在带辐射的细长拉伸片上的MHD强制对流传热传质分析

R. Gorla
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引用次数: 2

摘要

本文计算分析了纳米流体在不均匀热源和滑移效应的多孔介质中在细长拉伸片上的辐射传热传质。转换后的流动模型方程a采用龙格-库塔格式和射击法求解,以描述边界层处的无因次速度、温度和浓度。对表面摩擦系数和局部努塞尔数进行了数值计算,并进行了讨论。在一些特殊条件下,我们发现本文的结果与已有的结果非常吻合。研究还发现,存在速度滑移效应时,传热性能较高。无因次摩擦系数随磁场的增大而减小,幂律指数随速度滑移和壁厚的增大而减小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heat and Mass Transfer Analysis for the MHD Forced Convective Flow of a Nanofluid over a Slendering Stretching Sheet with Radiation in Porous Medium
Computational analysis of radiative heat and mass transfer of nanofluid over a slendering stretching sheet in porous medium with uneven heat source and slip effects have been carried out in this article. The transformed equations a of the flow model are solved by the Runge-Kutta scheme coupled with shooting method to depict the dimensionless velocity, temperature, and concentration at the boundary layer. Numerical computations are carried out and discussed for skin friction coefficient and local Nusselt number. We found an excellent agreement of the present results with the existed results under some special conditions. It is also found that the heat transfer performance is high in the presence of velocity slip effect. Dimensionless skin-friction coefficient has decreased for increasing magnetic field, power lawindex with velocity slip and wall thickness.
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