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首页> 外文期刊>Journal of Applied Mechanics and Technical Physics >Thermal analysis of a flow of immiscible couple stress fluids in a channel
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Thermal analysis of a flow of immiscible couple stress fluids in a channel

机译:通道中不混溶的偶应力流体流动的热分析

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An analytical study of the entropy generation rate and heat transfer in a flow of immiscible couple stress fluids between two horizontal parallel plates under a constant pressure gradient is performed. Both plates are kept at different and constant temperatures higher than that of the fluid. The Stokes couple stress flow model is employed. The classical no-slip condition is prescribed at the plates, and continuity of the velocity, rotation, couple stress, shear stress, temperature, and heat flux is imposed at the interfaces. The velocity and temperature distributions are found analytically, and they are used to compute the entropy generation number and Bejan number. The effects of the couple stress parameter and Reynolds number on the velocity, temperature, entropy generation number, and Bejan number are investigated. It is observed that the friction near the plates in couple stress fluids decreases as the couple stress increases.
机译:在恒定压力梯度下,对两个水平平行板之间不混溶的耦合应力流体流中的熵产生速率和传热进行了分析研究。两个板均保持在高于流体温度的不同且恒定的温度下。采用斯托克斯耦合应力流模型。在平板上规定了经典的防滑条件,并且在界面处施加了速度,旋转,耦合应力,剪切应力,温度和热通量的连续性。通过分析可以找到速度和温度分布,并将它们用于计算熵的生成数和Bejan数。研究了耦合应力参数和雷诺数对速度,温度,熵产生数和贝詹数的影响。可以看出,耦合应力流体中板附近的摩擦随着耦合应力的增加而减小。

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