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首页> 外文期刊>International Journal of Refrigeration >An approximate analytical prediction about thermal performance and optimum design of pin fins subject to condensation of saturated steam flowing under forced convection
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An approximate analytical prediction about thermal performance and optimum design of pin fins subject to condensation of saturated steam flowing under forced convection

机译：强迫对流作用下饱和蒸汽凝结的翅片散热性能的近似分析预测和优化设计

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摘要

An approximate analytical method has been suggested for solving the governing equation for horizontal pin fins subject to condensation while saturated steam flowing over its under laminar forced convection. Adomian decomposition method is used for determination of the temperature distribution, performance and optimum dimensions of pin fins with temperature dependent thermal conductivity under the condensation of steam on the fin surface. From the results, a significant effect on the temperature distribution in the fin and its performances are noticed with the variation in fin-geometric parameters and thermo-physical properties of saturated vapor. Next, a generalized scheme for optimization has been demonstrated in such a way that either heat-transfer duty or fin volume can be taken as a constraint. Finally, the curves for the optimum design have been generated for the variation of different thermo-physical and geometric parameters, which may be helpful to a designer for selecting an appropriate design condition.
机译：已经提出了一种近似的解析方法来求解水平销翅片在冷凝水流过层流强迫对流时冷凝的控制方程。在蒸汽凝结在翅片表面上时，使用Adomian分解法确定具有温度相关导热系数的翅片翅片的温度分布，性能和最佳尺寸。结果表明，随着翅片几何参数和饱和蒸气热物理性质的变化，对翅片温度分布及其性能的影响显着。接下来，已经证明了用于优化的通用方案，使得可以将传热负荷或翅片体积作为约束。最后，针对不同热物理参数和几何参数的变化，生成了用于最佳设计的曲线，这可能有助于设计人员选择合适的设计条件。

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