Experimental Study on Heat Transfer Performance of Pulsating Heat Pipe with Refrigerants

被引：0
|
作者：
WANG Xingyu [1 ,2 ]
JIA Li [1 ,2 ]
机构：
[1] Institute of Thermal Engineering,School of Mechanical,Electronic and Control Engineering,Beijing Jiaotong University
[2] Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale
来源：
Journal of Thermal Science | 2016年 / 25卷 / 05期
基金：
中国国家自然科学基金;
关键词：
R134a; pulsating heat pipe; heat transfer performance; non-dimensional correlation;
D O I：
暂无
中图分类号：
TK172.4 [热管];
学科分类号：
080702 ;
摘要：
The effects of different refrigerants on heat transfer performance of pulsating heat pipe(PHP) are investigated experimentally.The working temperature of pulsating heat pipe is kept in the range of 20℃-50℃.The startup time of the pulsating heat pipe with refrigerants can be shorter than 4 min,when heating power is in the range of 10W-100W.The startup time decreases with heating power.Thermal resistances of PHP with filling ratio 20.55% were obviously larger than those with other filling ratios.Thermal resistance of the PHP with R134a is much smaller than that with R404A and R600a.It indicates that the heat transfer ability of R134a is better.In addition,a correlation to predict thermal resistance of PHP with refrigerants was suggested.
引用
收藏
页码：449 / 453
页数：5
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