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首页> 外文期刊>Journal of the Institution of Engineers (Inida) >The Effects of Thermal Radiation and Heat Source on an Unsteady MHD Free Convection Flow Past an Infinite Vertical Plate with Thermal Diffusion and Diffusion Thermo
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The Effects of Thermal Radiation and Heat Source on an Unsteady MHD Free Convection Flow Past an Infinite Vertical Plate with Thermal Diffusion and Diffusion Thermo

机译：热辐射和热源对通过热扩散和扩散热的无限垂直MHD自由对流流过无限垂直板的影响

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摘要

In this paper, we investigate the effects of thermal radiation and heat source on an unsteady magne-tohydrodynamic free convection flow past an infinite vertical plate in a porous medium in presence of thermal diffusion and diffusion thermo. The dimensionless governing equations are solved numerically using finite element method. The numerical results for some special cases were compared with Shanker et al. and were found to be in good agreement. Graphical results for velocity, temperature and concentration profiles based on the numerical solutions are presented and discussed within the boundary layer And also the skin-friction at the plate due to velocity field, rate of heat transfer due to temperature field and mass transfer due to concentration field are obtained in non-dimensional form. The effects of the different physical flow parameters on these respective flow fields are discussed through graphs and results are physically interpreted.
机译：在本文中，我们研究了存在热扩散和扩散热的情况下，热辐射和热源对通过无限垂直板的多孔镁水动力自由对流的影响。无量纲控制方程使用有限元方法进行数值求解。将某些特殊情况下的数值结果与Shanker等人进行了比较。并被发现有很好的一致性。在边界层内，基于数值解给出了速度，温度和浓度分布的图形结果，并进行了讨论；还给出了由于速度场，温度场引起的热传递速率和浓度引起的质量传递而引起的板的皮肤摩擦。场以无量纲形式获得。通过图表讨论了不同物理流参数对这些相应流场的影响，并对结果进行了物理解释。

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