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首页> 外文期刊>Applied Mechanics and Engineering >Effect Of Radiation And Viscous Dissipation On Convection Flow In A Vertical Porous Channel
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Effect Of Radiation And Viscous Dissipation On Convection Flow In A Vertical Porous Channel

机译:辐射和粘性耗散对垂直多孔通道内对流流动的影响

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摘要

The effect of radiation on a combined free and forced convection flow of a Boussinesq fluid through a vertical porous channel with viscous and Darcy dissipation is investigated analytically. The temperature of the walls is assumed to be equal and vary linearly with the height of the wall. Closed form solutions are obtained using a perturbation method valid for small values of the Eckert number. The effects of radiation, the porous parameter and Prandtl number on the velocity, temperature, flow rate and rate of heat transfer are presented graphically.
机译:分析地研究了辐射对Boussinesq流体通过粘性和达西耗散的垂直多孔通道的自由对流和强迫对流的组合影响。假定壁的温度是相等的,并且随壁的高度线性变化。使用对小Eckert值有效的摄动方法,可以获得闭式解。用图形表示了辐射,多孔参数和普朗特数对速度,温度,流速和传热速率的影响。

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