@Article{fhmt.2023.041837,
AUTHOR = {Zhuohuan Hu, Sixian Sun, Chengwei Yuan, Yan Cao, Jiayin Xu},
TITLE = {Effect of the Wick Deflection Angles on Heat Transfer Characteristics for the Flat LHP},
JOURNAL = {Frontiers in Heat and Mass Transfer},
VOLUME = {21},
YEAR = {2023},
NUMBER = {1},
PAGES = {107--123},
URL = {http://www.techscience.com/fhmt/v21n1/54762},
ISSN = {2151-8629},
ABSTRACT = {Loop Heat Pipe (LHP) is an efficient two-phase heat transfer device, which can be used in waste heat recovery,
electronics cooling, aerospace and other fields. The wick, the core component of LHP, plays an important role
in its start-up and operation. In this paper, the wick fabricated by 3D printing technology had uniform and
interconnected pores. In the experiment, the position of the parallel vapor removal grooves was always fixed towards
the vapor outlet. When the cylindrical wick was placed in the evaporator, the rotation angle relative to its central axis
could be changed, thus changing the number and shape of the pores facing the vapor removal grooves. The wick
deflection angle represented its change in spatial position relative to the fixed vapor removal grooves. The effect
of the wick deflection angles on the heat transfer characteristics of the flat LHP was experimentally investigated. It
was found that with the change of deflection angle, the number of pores in the evaporation-oriented zone would
also change, which had a significant impact on the start-up process and heat transfer performance of LHP. When
the deflection angle was 30°, LHP could start fastest at a low heat load of 20 W and operate stable at a high heat
load of 180 W.},
DOI = {10.32604/fhmt.2023.041837}
}