Experimental Investigation of Heat Transfer Performance of A Miniature Loop Heat Pipe with Flat Evaporator

被引：1
|
作者：
Zhang, Xianfeng [1 ]
Wang, Shuangfeng [1 ]
机构：
[1] S China Univ Technol, Minist Educ, Key Lab Enhanced Heat Transfer & Energy Conservat, Guangzhou 510640, Guangdong, Peoples R China
来源：
FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING, PTS 1-8 | 2011年 / 71-78卷
关键词：
miniature loop heat pipe; flat evaporator; heat resistance; the maximum heat load;
D O I：
10.4028/www.scientific.net/AMM.71-78.3806
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The present work experimentally investigated the operating characteristics of a miniature loop heat pipe (LHP) under different power cycle. The miniature LHP with flat evaporator of 8mm thick is made of copper. The evaporator with sintered copper power wick is in series structure with compensation chamber. Water is working fluid. It is found that the LHP can start up at heat load of 15W with temperature oscillation and the maximum heat load is 160W with R-1=0.068 degrees C/W. The LHP operates unstably under low heat load. The oscillating frequency of temperature rises with heat load increased. The operating performance of the LHP is affected by the power cycle.
引用
收藏
页码：3806 / 3809
页数：4
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