Critical heat flux in a locally heated liquid film driven by gas flow in a minichannel

被引：0
|
作者：
D. V. Zaitsev
D. A. Rodionov
O. A. Kabov
机构：
[1] Russian Academy of Sciences,Kutateladze Institute of Thermophysics, Siberian Branch
[2] Universite Libre de Bruxelles,Heat Transfer International Research Institute
[3] Russian Academy of Sciences,Institute of Thermophysics
来源：
Technical Physics Letters | 2009年 / 35卷
关键词：
44.35.+c; 47.55.dm; 47.55.Hd; 47.27.nd;
D O I：
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学科分类号：
摘要：
The rupture of a liquid film driven by friction with a gas flow in a horizontal minichannel and the heat-exchange crisis in this film locally heated by a 1 × 1 cm source in the channel wall has been experimentally studied. A heat flux of 250 W/cm2 is achieved, which is greater by an order of magnitude than the limiting heat flux for a vertically falling liquid film with the same Reynolds number (Rel = 21). These experiments confirmed good prospects for using gas-flow-driven liquid films in cooling systems of devices with intense local heat evolution.
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页码：680 / 682
页数：2
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