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Date of Publication:2015-01-01

Journal:工程热物理学报

Affiliation of Author(s):化工学院

Volume:36

Issue:1

Page Number:168-171

ISSN No.:0253-231X

Abstract:In this paper, a series of experiments were performed to investigate the
   effects of superhydrophilic and hydrophilic surface on the heat transfer
   performance for pulsating heat pipes (PHPs). The liquid film deposited
   length at the end of the slug and displacement of the slug were
   investigated in the paper. Experimental results showed that the liquid
   film deposited length increased with the decreasing of surface contact
   angles. The amplitude and velocity of the slug in the superhydrophilic
   and hydrophilic surface were higher than those in the copper PHP. The
   heat transfer performance of the hydrophilic PHP was higher than that of
   copper PHP due to the active movement of the slugs.

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