Pool boiling heat transfer on a thin plate: Features revealed by liquid crystal thermography

被引:118
作者
Kenning, DBR
Yan, YY
机构
[1] University of Oxford, Department of Engineering Science, Oxford OX1 3PJ, Parks Road
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/0017-9310(96)00006-3
中图分类号
O414.1 [热力学];
学科分类号
摘要
During pool nucleate boiling of water on a thin, electrically-heated plate, the motion of bubbles and the colourplay of a layer of thermochromic liquid crystal on the back of the plate were recorded simultaneously by a high-speed colour video camera at 200 frames/s. Quantitative conversion of the Hue component of the video signal to temperature provided information on the variations in wall superheat over an extensive region, on the mechanisms of heat transfer and on irregularities in the behaviour of nucleation sites. Copyright (C) 1996 Elsevier Science Ltd.
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页码:3117 / +
页数:1
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