Research and optimization design of limited internal cavity of ultra-thin vapor chamber

Research and optimization design of limited internal cavity of ultra-thin vapor chamber

•The relationship between with the thickness and width of steam chamber and steam friction coefficient was analyzed.•Reduce the diameter and spacing of the support columns is a good way to balance the support effect and vapor pressure drop for ultra-thin vapor chamber (UTVC).•The spaced structure is...

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Veröffentlicht in:International journal of heat and mass transfer 2020-02, Vol.148, p.119101, Article 119101
Hauptverfasser: Huang, Guangwen, Liu, Wangyu, Luo, Yuanqiang, Deng, Tao, Li, Yong, Chen, Hanyin
Format: Artikel
Sprache:eng
Schlagworte:
Columnar structure
Design optimization
Diameters
Heat transfer
Miniaturization
Portable equipment
Pressure drop
Pressure effects
Spaced structure
Support column
Thickness
Ultra-thin
Vapor chamber
Vapor pressure
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Zusammenfassung:•The relationship between with the thickness and width of steam chamber and steam friction coefficient was analyzed.•Reduce the diameter and spacing of the support columns is a good way to balance the support effect and vapor pressure drop for ultra-thin vapor chamber (UTVC).•The spaced structure is more suitable for UTVC than the conventional layered structure, and the thinner the thickness, the more obvious the advantage, especially when h 
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2019.119101