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首页> 外文期刊>Applied Mechanics and Engineering >FREE CONVECTION FROM A VERTICAL CYLINDER EMBEDDED IN A POROUS MEDIUM FILLED WITH COLD WATER
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FREE CONVECTION FROM A VERTICAL CYLINDER EMBEDDED IN A POROUS MEDIUM FILLED WITH COLD WATER

机译：从充满冷水的多孔介质中的垂直圆柱自由对流

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摘要

A free convection boundary layer flow along a heated vertical cylinder embedded in a porous medium saturated with pure or saline water at low temperatures, up to 20℃, is considered. The boundary layer analysis is formulated in terms of Darcy's law and a new density equation of state, which is of very high accuracy and of simple form, is postulated. Numerical solutions are presented and the flow field characteristics are analysed in detail for both cases of downward and upward flows. A very good agreement between the present results and those reported for particular situations was found.
机译：考虑对流的垂直对流边界层沿加热的垂直圆柱体流动，该圆柱体埋在多孔介质中，该介质在纯水或盐水中饱和温度最高为20℃。边界层分析是根据达西定律制定的，并提出了一个新的状态密度方程，该方程的准确性很高，形式简单。给出了数值解，并详细分析了向下和向上流动两种情况的流场特性。在当前结果与针对特定情况所报告的结果之间找到了很好的一致性。

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