OPTICAL STUDIES OF BOILING HEAT TRANSFER: INSIGHT OR MIRAGE?

机译：沸腾传热的光学研究：洞察力还是污垢？

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Optical studies provide valuable insights into the complex mechanisms of boiling heat transfer but the large gradients of temperature (and therefore of refractive index) deflect light and multiple reflections at interfaces limit the distance over which measurements can be made. Optical measurements are difficult to make. They constrain the design of boiling experiments and have limited ranges of validity. There is a risk that deductions from the observations will be applied more generally than is justified These characteristics of optical studies are illustrated by examples from forced convective film boiling on spheres, pool nucleate boiling and flow boiling in narrow channels.

机译：光学研究为沸腾传热的复杂机理提供了宝贵的见识，但是温度（因此也就是折射率）的大梯度使光偏转，界面处的多次反射限制了可进行测量的距离。光学测量很难进行。它们限制了沸腾实验的设计，并且有效范围有限。可能存在从观测结果中推论得出比合理结论更普遍的风险。这些光学研究的特征通过在球体上强制对流膜沸腾，池核沸腾和窄通道内流动沸腾的例子说明。

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《International Conference on Boiling Heat Transfer(ICBHT 2003); 20030504-08; Montego Bay(JM)》|2003年|P.1.1-1.16|共16页
会议地点 Montego Bay(JM)
作者
David B R Kenning;
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作者单位

University of Oxford, Oxford, UK;

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原文格式 PDF
正文语种 eng
中图分类 TK414.212;
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OPTICAL STUDIES OF BOILING HEAT TRANSFER: INSIGHT OR MIRAGE?

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