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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:12

Page Number:2670-2673

ISSN No.:0253-231X

Abstract:Effects of superhydrophobic surface and superhydrophobic and
   superhydrophilic hybrid surface on the fluid flow of PHPs were
   investigated. The inner surfaces of the PHPs were hydrophilic surface
   (copper), hybrid surface (superhydrophilic evaporation and
   superhydrophobic condensation section), and uniform superhydrophobic
   surface, respectively. Visualization results showed that the
   liquid-vapor interface was concave in the copper PHP. On the contrary,
   the liquid-vapor interface took a convex profile in the PHP with
   superhydrophobic surface and the liquid-vapor interface length in the
   hybrid surface PHP was higher than that in the uniform superhydrophobic
   surface PHP. The partial dryout phenomenon took place in PHPs with
   uniform superhydrophobic surface and the liquid slug movements became
   weaker.

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