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首页> 外文期刊>Journal of Thermophysics and Heat Transfer >Thermal Interaction Between Two Vertical Systems of Free and Forced Convection
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Thermal Interaction Between Two Vertical Systems of Free and Forced Convection

机译：自由和强迫对流的两个垂直系统之间的热相互作用

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摘要

Conjugate heat transfer between two thermal systems of free and forced convection, separated by a vertical wall, is investigated theoretically. It is assumed that the heat conduction in the wall is only in the transversal direction. The situation considered is one in which the two vertical boundary layers of free and forced convection induced on wall sides are in counterflow. The study shows that the thermal interaction process between the two thermal systems is controlled by two dimensionless groups: The ζ parameter relates the heat transfer effectiveness of two convection layers, and ω parameter evaluates the wall thermal resistance to the forced-layer resistance. The obtained results explain the effects of these two parameters on the fluid-solid interfacial temperature at wall sides, the temperature fields in the solid and fluid regions, as well as the local and mean Nusselt numbers. Comparison is made between model predictions and numerical results obtained by FLUENT for special model problems.
机译：理论上研究了由垂直壁隔开的两个自由对流和强制对流热系统之间的共轭传热。假定壁中的热传导仅在横向方向上。所考虑的情况是，在壁侧产生的自由对流和强迫对流的两个垂直边界层处于逆流状态。研究表明，两个热系统之间的热相互作用过程受两个无因次组控制：ζ参数与两个对流层的传热效率相关，而ω参数则评估壁的热阻与强迫层的电阻。获得的结果解释了这两个参数对壁侧流体-固体界面温度，固体和流体区域中的温度场以及局部和平均努塞尔数的影响。对于特殊模型问题，模型预测与FLUENT获得的数值结果进行了比较。

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