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Development and tests of loop heat pipe with multi-layer metal foams as wick structure
Zhou W.1; Ling W.1; Duan L.1; Hui K.S.2; Hui K.N.3
2016-02-05
Source PublicationApplied Thermal Engineering
ISSN13594311
Volume94Pages:324-330
AbstractA plate-type loop heat pipe (LHP) with multi-layer metal foams as wick structure was fabricated. In the LHP, the multi-layer metal foams and vapor channels with high depth-to-width ratios were integrated into a flat evaporator, which is beneficial for cycling the working fluid and enhancing the evaporation process. Subsequently, the operational parameters, such as the types of working fluid inventory, wick material and heat load with ethanol as the working fluid, were varied to investigate the effect on the heat transfer performance of LHP. The experimental results show that obvious three stages were observed in the start-up and running process of the LHP including the rising temperature stage, start-up stage and steady running stage. In the fluid inventory range of 20∼60 ml, it is found that 40 ml of ethanol was the optimized working fluid inventory for the designed LHP. Compared to the nickel foam, the LHP with multi-layer copper foams with wick structure showed better performance with different heat loads because of the higher thermal conductivity and smaller pore size.
KeywordLoop heat pipe Metal foam Start-up time Thermal resistance Wick structure
DOI10.1016/j.applthermaleng.2015.10.085
URLView the original
Language英語
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Cited Times [WOS]:30   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Xiamen University
2.Hanyang University
3.Universidade de Macau
Recommended Citation
GB/T 7714
Zhou W.,Ling W.,Duan L.,et al. Development and tests of loop heat pipe with multi-layer metal foams as wick structure[J]. Applied Thermal Engineering,2016,94:324-330.
APA Zhou W.,Ling W.,Duan L.,Hui K.S.,&Hui K.N..(2016).Development and tests of loop heat pipe with multi-layer metal foams as wick structure.Applied Thermal Engineering,94,324-330.
MLA Zhou W.,et al."Development and tests of loop heat pipe with multi-layer metal foams as wick structure".Applied Thermal Engineering 94(2016):324-330.
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