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Date of Publication:2014-01-01

Journal:工程热物理学报

Affiliation of Author(s):化工学院

Volume:35

Issue:1

Page Number:152-154

ISSN No.:0253-231X

Abstract:In this paper, a series of experiments were performed to investigate the
   effects of hydrophobic surface on the heat transfer performance and slug
   motion for pulsating heat pipes (PHPs). Experimental results showed that
   hydrophobic surface influenced the slug motion and thermal performance
   of PHPs. The liquid slug movements became weaker in hydrophobic PHP as
   opposed to the copper PHP, while the global heat transfer performance of
   the hydrophobic PHP decreased. Dryout phenomena occurred in the PHP with
   entirely hydrophobic surface or hydrophobic evaporation surface.

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