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首页> 外文期刊>Computational thermal sciences >EFFECTS OF HEAT SOURCE/SINK AND RADIATIVE HEAT TRANSFER ON HYDROMAGNETIC NATURAL CONVECTIVE FLOW THROUGH A VERTICAL CHANNEL
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EFFECTS OF HEAT SOURCE/SINK AND RADIATIVE HEAT TRANSFER ON HYDROMAGNETIC NATURAL CONVECTIVE FLOW THROUGH A VERTICAL CHANNEL

机译：热量/水位和辐射热传递对垂直通道水动力自然对流流动的影响

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摘要

Effects of heat source and radiative heat transfer on unsteady hydromagnetic natural convective laminar flow of an incompressible homogeneous, electrical conducting, viscous fluid through a porous medium in a vertical channel con-sisting of semi-infinite parallel walls is studied. The fluid flows under the influence of uniform magnetic field applied normal to the flow. Using the Laplace transform technique, the solutions for velocity and temperature fields are obtained. Expressions for skin friction and rate of heat transfer are also derived. The effects of material parameters on temperature distribution, velocity field, skin friction, and rate of heat transfer are discussed for symmetrical cooling of the channel walls. The effects of material parameters on velocity are shown graphically, while those of skin friction and heat transfer rate are presented in tabular form and a corresponding discussion is made. The model finds applications in nuclear heat transfer processes, metallurgy, and energy systems.
机译：研究了热源和辐射传热对不可压缩的均质，导电，粘性流体通过半无限平行壁组成的垂直通道中的多孔介质的非稳态水磁自然对流层流的影响。流体在垂直于流动方向施加的均匀磁场的影响下流动。使用拉普拉斯变换技术，可以获得速度和温度场的解。还推导了皮肤摩擦和热传递速率的表达式。为了对称冷却通道壁，讨论了材料参数对温度分布，速度场，蒙皮摩擦和热传递速率的影响。以图表形式显示了材料参数对速度的影响，而以表格形式显示了对皮肤摩擦和传热速率的影响，并进行了相应的讨论。该模型可用于核热传递过程，冶金和能源系统。

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