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首页> 外文期刊>Applied Mechanics and Engineering >TIME DEPENDENT MHD COUETTE FLOW DUE TO RAMPED MOTION OF ONE OF THE BOUNDARIES
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TIME DEPENDENT MHD COUETTE FLOW DUE TO RAMPED MOTION OF ONE OF THE BOUNDARIES

机译：由于其中一个边界的剧烈运动而引起的与时间相关的MHD COUETTE流动

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摘要

The effects of a transverse magnetic field on the Couette flow of an electrically conducting fluid between two infinite parallel plates have been discussed when one of the plates has been set into ramped motion. Under the assumption of a negligible induced magnetic field and applied magnetic field being fixed relative to the fluid or moving plate, the governing momentum equation has been solved exactly. The expressions for velocity field and skin-friction have been presented. The transient features of velocity and skin-friction have been discussed for different values of the Hartmann number. It is seen that the velocity field and skin-friction increases with an increase of the Hartman number when the magnetic field is fixed with respect to the moving plate while the result is just reverse when it is fixed with respect to the fluid.
机译：当一块板被设置为倾斜运动时，已经讨论了横向磁场对导电流体在两个无限平行板之间的库埃特流的影响。在感应磁场和施加磁场相对于流体或运动板固定不变的假设下，控制动量方程已得到精确求解。给出了速度场和皮肤摩擦的表达式。对于Hartmann数的不同值，已经讨论了速度和皮肤摩擦的瞬态特征。可以看出，当磁场相对于移动板固定时，速度场和皮肤摩擦随哈特曼数的增加而增加，而相对于流体固定时，其结果恰好相反。

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