非达西介质中变黏度和热导率辐射换热对倾斜磁场耗散的影响

S.O. Salawu, M.S. Dada
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引用次数: 36

摘要

本文研究了多孔介质中均匀倾斜磁场作用下,导电流体在连续拉伸薄板上的热辐射传热,并考虑薄板温度的幂律变化。假定流体粘度和导热系数随温度的变化而变化。通过引入相似变量,将模型的控制偏微分方程简化为非线性耦合常微分方程系统,然后利用四阶龙格-库塔法射击技术进行数值求解。给出并讨论了表面摩擦和努塞尔数的结果。
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Radiative heat transfer of variable viscosity and thermal conductivity effects on inclined magnetic field with dissipation in a non-Darcy medium

The study of thermal radiative heat transfer of an electrically conducting fluid over a continuously stretching sheet in the presence of a uniform inclined magnetic field with dissipation in a porous medium is investigated for power-law variation in the sheet temperature. The fluid viscosity and thermal conductivity are assumed to vary as a function of temperature. The governing partial differential equations of the model are reduced to a system of coupled non-linear ordinary differential equations by applying similarity variables and then solved numerically using shooting technique with fourth-order Runge–Kutta method. The results for Skin friction and Nusselt numbers are presented and discussed.

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