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Starting and running performance of a pulsating heat pipe with micro encapsulated phase change material suspension

文献类型：期刊论文

作者Shi, Weixiu3,4; Chen, Hongdi3; Pan, Lisheng2; Wang, Qian1; Pan LS(潘利生)
刊名APPLIED THERMAL ENGINEERING
出版日期2022-07-25
卷号212页码:9
ISSN号1359-4311
关键词Pulsating heat pipe (PHP) Micro encapsulated phase change material  (MEPCM) Starting performance Running performance
DOI10.1016/j.applthermaleng.2022.118626
通讯作者Pan, Lisheng(panlisheng@imech.ac.cn) ; Wang, Qian(wangqian@iccas.ac.cn)
英文摘要Pulsating heat pipe (PHP) is an efficient heat transfer technology. The micro encapsulated phase change material (MEPCM) suspension is a novel latent heat fluid with high heat storage density. The research on the PHP with MEPCM suspension is of great significance for expanding the types of working fluids and studying the operating performance. An experimental investigation of starting and running performance was carried out on a closed loop PHP with MEPCM suspension at mass concentration of 0.5%. The results show that the PHP charged with MEPCM suspension starts unstably with irregular oscillating under lower heating power of 30-90 W, while it runs stably after starting with heating power increasing to 120 W. The start-up time of PHP charged with MEPCM suspension first drops rapidly, then flattens from 50 s to 20 s with increasing heating power and it still maintains at 20 s with the increasing of heating power from 150 W during experiments, which indicates the influence on the start-up time from further increasing heating power becomes smaller on the condition that the heating power increases to a certain level. Compared with 70% of filling ratio, conditions with 35% and 50% of that showed better performance. Gravity is very important to overcome the viscous resistance of working fluids. The running performance of PHP was slightly affected by inclination angle which was greater than 60 degrees. When it dropped to 30 degrees, the running deteriorated obviously. However, the PHP with 35% of filling ratio couldn't run normally at a small inclination angle of 30 degrees.
WOS关键词TRANSFER ENHANCEMENT ; THERMAL PERFORMANCE ; SURFACTANT ; EFFICIENCY ; DESIGN
资助项目National Natural Science Foundation of China[52000008] ; Beijing Natural Science Foundation[3192042] ; Fundamental Research Funds for Beijing University of Civil Engineering and Architecture[X20058]
WOS研究方向Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
语种英语
WOS记录号WOS:000800350700005
资助机构National Natural Science Foundation of China ; Beijing Natural Science Foundation ; Fundamental Research Funds for Beijing University of Civil Engineering and Architecture
源URL[http://dspace.imech.ac.cn/handle/311007/89564]  
专题力学研究所_高温气体动力学国家重点实验室
通讯作者Pan, Lisheng; Wang, Qian
作者单位1.Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
3.Beijing Univ Civil Engn & Architecture, Sch Environm & Energy Engn, Beijing 100044, Peoples R China
4.Beijing Univ Civil Engn & Architecture, Beijing Engn Res Ctr Sustainable Energy & Bldg, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Shi, Weixiu,Chen, Hongdi,Pan, Lisheng,et al. Starting and running performance of a pulsating heat pipe with micro encapsulated phase change material suspension[J]. APPLIED THERMAL ENGINEERING,2022,212:9.
APA Shi, Weixiu,Chen, Hongdi,Pan, Lisheng,Wang, Qian,&潘利生.(2022).Starting and running performance of a pulsating heat pipe with micro encapsulated phase change material suspension.APPLIED THERMAL ENGINEERING,212,9.
MLA Shi, Weixiu,et al."Starting and running performance of a pulsating heat pipe with micro encapsulated phase change material suspension".APPLIED THERMAL ENGINEERING 212(2022):9.

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来源：力学研究所

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