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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Heat transfer to unsteady magneto-hydrodynamic flow past an infinite moving vertical plate with variable suction
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Heat transfer to unsteady magneto-hydrodynamic flow past an infinite moving vertical plate with variable suction

机译:通过无限吸力的无限移动垂直板将热量传递到不稳定的磁流体流中

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The paper considers the free convection heat transfer due to the combined action of radiation and a transverse magnetic field with variable suction. We adopt the differential approximation to describe the radiative flux in the energy equation. The governing coupled partial differential equations are linearized on the assumption that the flow variables are linear functions of the Eckert number E-c and analytical closed form solutions are sought approximately for the velocity, temperature, surface skin friction and the rate of heat transfer assuming an optically thin medium. Results obtained indicate that increasing the plate velocity increases the flow velocity with this increase being more dramatic for higher values of the free convection. These results are in good agreement with earlier results reported in the literature and correct an omission in some previously reported works.
机译:本文考虑了由于辐射和具有可变吸力的横向磁场共同作用而产生的自由对流换热。我们采用微分逼近来描述能量方程中的辐射通量。假设流动变量是Eckert数Ec的线性函数,并且假设近似光学的速度,温度,表面皮肤摩擦和传热速率是解析的闭合形式解,则控制耦合偏微分方程被线性化。中。获得的结果表明,增加平板速度会增加流速,对于更高的自由对流值,这种增加更为显着。这些结果与文献中报道的早期结果非常吻合,并纠正了一些先前报道的作品中的遗漏。

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