Thermal Science and Engineering
Online ISSN : 1882-2592
Print ISSN : 0918-9963
ISSN-L : 0918-9963
Study of a High Heat Flux Loop Heat Pipe Aiming for Cooling Electronics
Yuki AKIZUKIKimihide ODAGIRINoriyuki WATANABEAi UENOHosei NAGANO
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2019 Volume 27 Issue 1 Pages 25-33

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Abstract

A loop heat pipes is a highly efficient two-phase fluid loop utilizing latent heat. In recent years, due to the miniaturization and high performance of electronics, the heat density of the equipment has been increasing remarkably, so thermal demand is increasing in the terrestrial field. In this study, we developed a high heat flux loop heat pipe aiming to be mounted in electronics and conducted experiments under an atmospheric environment. It shows that heat transport is performed up to a maximum heat flux of 42.5 W/cm2 at a heat transport distance of 400 mm, and it is confirmed that it operates normally in three positions of horizontal, top heat, and bottom heat.

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