换热变性质MHD非定常反应库埃特流研究

O. Makinde, Oswald Franks
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引用次数: 15

摘要

本文研究了磁场对具有温度依赖粘度和导热系数的反应性非定常广义Couette流的影响。假设在阿累尼乌斯动力学下,传导不可压缩流体是一个放热反应,忽略了材料的消耗。得到了控制瞬态动量和能量平衡的模型非线性微分方程,并采用半离散有限差分技术结合Runge-Kutta - Fehlberg积分格式进行了数值求解。给出了速度场和温度场的重要性质,包括热稳定性条件,并进行了定量讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On MHD unsteady reactive Couette flow with heat transfer and variable properties
This study is devoted to investigate the effect of magnetic field on a reactive unsteady generalized Couette flow with temperature dependent viscosity and thermal conductivity. It is assumed that conducting incompressible fluid is subjected to an exothermic reaction under Arrhenius kinetics, neglecting the consumption of the material. The model nonlinear differential equations governing the transient momentum and energy balance are obtained and tackled numerically using a semi-discretization finite difference technique coupled with Runge-Kutta Fehlberg integration scheme. Important properties of the velocity and temperature fields including thermal stability conditions are presented graphically and discussed quantitatively.
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