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Experimental study on ethylene-charged loop heat pipe in 150~170 K
2020
发表期刊华中科技大学学报(自然科学版)
ISSN1671-4512
卷号48期号:5页码:114-119
发表状态已发表
DOI10.13245/j.hust.200521
摘要

To meet the thermal control requirements of the optical system, experimental studies including the start-up, the responses to heat loads and the steady-state heat transfer characteristics of a proposed loop heat pipe (LHP) under different attitudes were carried out. Sintered copper powder porous wick with a mean pore radius of 30~50 μm was applied, and ethylene was the corresponding working fluid. Three attitudes were overall horizontal (attitude A), the evaporator and compensation chamber (CC) placed at an angle of 45° from the horizontal plane with the evaporator above the CC (attitude B), and the evaporator and CC placed at an angle of 45° from the horizontal plane with the CC above the evaporator (attitude C), respectively. Research results indicate that the LHP can start up successfully from the supercritical states at all three attitudes without the assistant of the secondary loop, but with a reverse direction for attitude C. The responses to heat loads of the LHP at attitude C are faster than that at attitude A and B. The LHP operates in a reverse direction with temperature fluctuations, which decreases with the rising heat load at attitude C. The LHP operates normally at attitudes A and B with different variation trends of heat transfer differences with the rising heat load, but the heat transfer temperature differences are less than 15 K under heat loads of 10 W and 20 W at both attitudes, which could fit the application requirements.
© 2020, Editorial Board of Journal of Huazhong University of Science and Technology. All right reserved.

收录类别EI ; 北大核心 ; CSCD
出版者Huazhong University of Science and Technology
EI入藏号20202408834144
EI主题词Aliphatic compounds ; Copper powder ; Ethylene ; Evaporators ; Heat transfer ; Optical systems ; Thermal load
EI分类号Copper:544.1 ; Pipe, Piping and Pipelines:619.1 ; Heat Transfer:641.2 ; Optical Devices and Systems:741.3 ; Chemical Plants and Equipment:802.1 ; Organic Compounds:804.1
原始文献类型Journal article (JA)
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/122671
专题信息科学与技术学院_博士生
信息科学与技术学院_特聘教授组_吴亦农组
作者单位
1.Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai; 200083, China
2.School of Information Science and Technology, ShanghaiTech University, Shanghai; 201210, China
3.University of Chinese Academy of Sciences, Beijing; 100049, China
第一作者单位信息科学与技术学院
推荐引用方式
GB/T 7714
Liu, Cheng,Xie, Rongjian,Wu, Yinong. Experimental study on ethylene-charged loop heat pipe in 150~170 K[J]. 华中科技大学学报(自然科学版),2020,48(5):114-119.
APA Liu, Cheng,Xie, Rongjian,&Wu, Yinong.(2020).Experimental study on ethylene-charged loop heat pipe in 150~170 K.华中科技大学学报(自然科学版),48(5),114-119.
MLA Liu, Cheng,et al."Experimental study on ethylene-charged loop heat pipe in 150~170 K".华中科技大学学报(自然科学版) 48.5(2020):114-119.
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