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微极流体在两个伸展平面之间的不稳定轴对称MHD流动 被引量：5

Axisymmetric Magnetohydrodynamic flow of a Micropolar Fluid Between Unsteady Stretching Surfaces
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摘要 研究在两个径向伸展的平面之间,微极流体作随时间变化的磁流体动力学(MHD)流动.考虑了高浓度微元(n=0)和低浓度微元(n=0.5)两种情况.使用恰当的变换,将偏微分方程转换为常微分方程.用同伦分析法(HAM),对变换后的方程求解.给出不同参数下,角速度、表面摩擦因数和面应力偶系数的图形结果. This investigation examines the time dependent MHD flow problem of a micropolar fluid between two radially stretching sheets.Both the cases（n=0,0.5） of strong and weak concentrations of microelements are taken into account.Suitable transformations were employed for the conversion of partial differential equations into the ordinary differential equations.The solutions of the resulting problems were developed by a homotopy analysis method（HAM）.Angular velocity,skin friction coefficient and wall couple stress coefficient were illustrated for various parameters of interest.
作者 T·哈亚特 M·纳瓦兹 S·奥拜达特 海治 张禄坤
机构地区 古艾德-阿赞姆大学数学系 国王大学数学系 不详
出处 《应用数学和力学》 CSCD 北大核心 2011年第3期344-356,共13页 Applied Mathematics and Mechanics
基金 巴基斯坦高等教育委员会基金资助项目 沙特阿拉伯国王大学在KSU-VPP-103下的资金赞助
关键词 微极流体 径向伸展 同伦分析法 表面摩擦因数 面应力偶系数 micropolar fluid radial stretching homotopy analysis solution skin friction coefficient wall couple stress coefficient
分类号 O361.3 [理学—流体力学] O357.1 [理学—流体力学]
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参考文献32

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二级参考文献2

共引文献3

同被引文献64

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  • 10Sahoo B. Hiemenz flow and heat transfer of a third grade fluid[ J]. Communications in Non- linear Science and Numerical Simulation, 2009, 14 ( 3 ) : 811-826.

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应用数学和力学
2011年 第3期

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