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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Experimental analysis of bubble growth, departure and interactions during pool boiling on artificial nucleation sites
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Experimental analysis of bubble growth, departure and interactions during pool boiling on artificial nucleation sites

机译:人工成核位点上沸腾过程中气泡生长,离开和相互作用的实验分析

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The present work describes experimental results of pentane pool boiling, simplified to the cases of boiling on a single or on two adjacent nucleation sites. Bubbles growths have been recorded by a high speed camera under various wall superheat conditions. Bubble volume has been plotted as a function of time, and an experimental growth law has been proposed. Oscillations were observed during growth, showing the interaction of one bubble with the preceding bubble released from the same nucleation site. Lateral coalescence has been visualized and the images have brought to the fore the capillary effects on the distortion of the interface. (C) 2008 Elsevier Inc. All rights reserved.
机译:本工作描述了戊烷池沸腾的实验结果,简化为在单个或两个相邻成核位点上沸腾的情况。在各种壁过热条件下,高速相机已经记录了气泡的增长。气泡体积已绘制为时间的函数,并提出了实验性生长规律。在生长过程中观察到振荡,表明一个气泡与先前从同一成核位置释放的气泡相互作用。横向聚结已经可视化,并且图像已使对界面变形的毛细管效应脱颖而出。 (C)2008 Elsevier Inc.保留所有权利。

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