辐射和化学反应对耗散流体通过无限大垂直板的非定常MHD自由对流的影响

IF 1.3 Q3 THERMODYNAMICS
V. Rajesh, Ali J. Chamkha, D. Bhanumathi, S. Varma
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引用次数: 10

摘要

本文主要研究了在牛顿加热和均匀质量扩散条件下,辐射和化学反应对耗散流体通过脉冲启动的无限大垂直板的非定常磁流体动力学自由对流的影响。无量纲控制方程为非定常、耦合、非线性偏微分方程。解析法不能给出封闭形式的解。因此,采用了Crank-Nicolson方法的隐式有限差分格式。利用图形广泛讨论了空气(Pr = 0.71)和水(Pr = 7)的磁场参数、辐射参数和化学反应参数对速度场和表面摩擦力的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RADIATION AND CHEMICAL REACTION EFFECTS ON UNSTEADY MHD FREE CONVECTION FLOW OF A DISSIPATIVE FLUID PAST AN INFINITE VERTICAL PLATE WITH NEWTONIAN HEATING
This paper focuses on the study of the effects of radiation and chemical reaction on unsteady magnetohydrodynamic free convection flow of a dissipative fluid past an impulsively started infinite vertical plate in the presence of Newtonian heating and uniform mass diffusion. The dimensionless governing equations are unsteady, coupled, and nonlinear partial differential equations. An analytical method fails to give a closed-form solution. Hence, the implicit finite difference scheme of the Crank-Nicolson method is employed. The influence of the magnetic field parameter, radiation parameter, and chemical reaction parameter on the velocity field and skin friction for both air (Pr = 0.71) and water (Pr = 7) are extensively discussed with the help of graphs.
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来源期刊
CiteScore
2.70
自引率
6.70%
发文量
36
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