Influence of Void Ratio on Phase Change in Thermal Storage Canister of Heat Pipe Receiver

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	Influence of Void Ratio on Phase Change in Thermal Storage Canister of Heat Pipe Receiver
	Song, Xiange 1; Song, Qiue 2; Gui, Xiaohong 3; Liang, Shiqiang 3; Tang, Dawei 3
刊名	HEAT TRANSFER ENGINEERING
	2015-09-02
卷号	36 期号:13 页码:1154-1162
英文摘要	In this paper, with both void cavity and phase change considered, influence of void ratio on phase change in thermal storage canister of heat pipe receiver under microgravity is numerically simulated. Accordingly, physical and mathematical models are built. A solidification-melting model upon the enthalpy-porosity method is specially provided to deal with phase changes. The change of liquid fraction with respect to void ratio and the liquid fraction distribution of different void ratios in a thermal storage canister of a heat pipe receiver are shown. Numerical results are compared with experimental ones. Research results indicate that the void cavity prevents the process of phase change significantly. Phase-change material (PCM) melts slowly during sunlight periods and freezes slowly during eclipse periods as void ratio increases. The utility ratio of PCM during both sunlight periods and eclipse periods decreases obviously as the void ratio increases. The void cavity prevents the heat transfer between the PCM zone and canister wall. The void cavity blocks the processes of both melting and solidification during cycle orbital periods.
WOS标题词	Science & Technology ; Physical Sciences ; Technology
类目[WOS]	Thermodynamics ; Engineering, Mechanical ; Mechanics
研究领域[WOS]	Thermodynamics ; Engineering ; Mechanics
收录类别	SCI
语种	英语
WOS记录号	WOS:000349540300006
公开日期	2015-12-22
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/101504]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.Beijing Int Studies Univ, Beijing, Peoples R China 2.Beijing Coal Grp Property Management Co, Beijing, Peoples R China 3.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Song, Xiange,Song, Qiue,Gui, Xiaohong,et al. Influence of Void Ratio on Phase Change in Thermal Storage Canister of Heat Pipe Receiver[J]. HEAT TRANSFER ENGINEERING,2015,36(13):1154-1162.
APA	Song, Xiange,Song, Qiue,Gui, Xiaohong,Liang, Shiqiang,&Tang, Dawei.(2015).Influence of Void Ratio on Phase Change in Thermal Storage Canister of Heat Pipe Receiver.HEAT TRANSFER ENGINEERING,36(13),1154-1162.
MLA	Song, Xiange,et al."Influence of Void Ratio on Phase Change in Thermal Storage Canister of Heat Pipe Receiver".HEAT TRANSFER ENGINEERING 36.13(2015):1154-1162.