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NUMERICAL ANALYSES ON VAPOR TEMPERATURE DROP IN AN ULTRA-THIN HEAT PIPE WITH A THIN WICK SHEET

Yasushi Koito*

Kumamoto University, Kumamoto-shi, Kumamoto, 860-8555, Japan
* Corresponding author. Email: koito@gpo.kumamoto-u.ac.jp

Frontiers in Heat and Mass Transfer 2021, 16, 1-6. https://doi.org/10.5098/hmt.16.8

Abstract

Numerical analyses were conducted for an ultra-thin heat pipe in which a thin wick layer was placed on the bottom. The vapor temperature drop caused by vapor flow friction was discussed for two types of the ultra-thin heat pipes with small and large widths. The numerical results were compared with those obtained for an ultra-thin heat pipe with a centered-wick structure. It was confirmed that the vapor temperature drop was reduced effectively by increasing the width of the heat pipe. Therefore, a wider ultra-thin heat pipe, that is, an ultra-thin vapor chamber is a promising option for nextgeneration thermal management.

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Koito, Y. (2021). NUMERICAL ANALYSES ON VAPOR TEMPERATURE DROP IN AN ULTRA-THIN HEAT PIPE WITH A THIN WICK SHEET. Frontiers in Heat and Mass Transfer, 16(1), 1–6.



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