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首页> 外文期刊>Journal of Heat Transfer >Numerical Study of Boiling Heat Transfer Around Horizontal and Inclined Cylinders
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Numerical Study of Boiling Heat Transfer Around Horizontal and Inclined Cylinders

机译：水平倾斜圆柱体沸腾热传递的数值研究

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摘要

Pool boiling around a heated cylinder having a diameter larger than the departure diameter of bubbles has been simulated numerically. Thermally uniform heat flux condition has been maintained at the outer surface of the cylinder, submerged at saturated water at atmospheric pressure. Using the volume of fluid type framework of liquid phase fraction in the domain, bubble life cycle around the horizontal cylinder has been analyzed to understand different stages of growth, sliding, merging prior to departure. An effort has also been made to characterize the bubble population, emerging from different sites over the cylindrical surface. The influence of cylinder inclination along its axis on these inter-facial features has also been discussed using representative numerical simulation. Temperature profiles of the cylinder surface have been portrayed for both horizontal and inclined situations before presenting respective heat transfer coefficients.
机译：在数值上模拟了直径大于气泡的直径的加热圆筒沸腾的池已经模拟。 热均匀的热通量条件已经保持在圆筒的外表面上，在大气压下浸没在饱和水处理。 使用域中的液相级分的流体型框架的体积，已经分析了水平圆筒周围的气泡寿命周期，以了解不同阶段的生长，滑动，在出发前合并。 还努力表征了泡沫群，从圆柱形表面的不同部位出现。 还使用代表性数值模拟讨论了沿其轴线沿其轴线沿其轴线的影响。 在呈现各自的传热系数之前，已经在水平和倾斜情况下描绘了气缸表面的温度轮廓。

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