Flow and heat transfer characteristics in a periodical changeable cross-section micro-channel heat sink

被引：0
|
作者：
Xia, Guo-Dong [1 ]
Xu, Zhi-Bo [1 ]
Qi, Jing-Zhi [1 ]
机构：
[1] Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2010年 / 25卷 / 01期
关键词：
Friction - Heat sinks - Tribology - Heat resistance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper conducted an experimental investigation on flow and heat transfer characteristics associated with the forced flow of de-ionized water in a periodical changeable cross-section micro-channel (PCMC) heat sink. The friction factor, Nusselt number, average temperature of heating film and thermal resistance of heat sink under different pump power were obtained. In comparison with traditional micro-channels with constant cross-section, the periodical changeable cross-section micro-channels could produce higher heat transfer coefficients and friction factors.
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页码：6 / 10
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