Reversed boiling curve phenomenon on surfaces with interlaced wettability

被引:23
作者
Hsu, C. C. [1 ]
Chiu, W. C. [1 ]
Kuo, L. S. [1 ]
Chen, P. H. [1 ]
机构
[1] Natl Taiwan Univ, Dept Mech Engn, Taipei 10617, Taiwan
关键词
CRITICAL HEAT-FLUX;
D O I
10.1063/1.4897953
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We experimentally investigated the effects of contact angle difference of heterogeneous wettability surfaces on pool boiling. For surfaces exhibiting heterogeneous wettability, this study determined that the pool boiling curve experiences a superheat decrease in some regions before the system achieves the critical heat flux. In addition, oscillation of the vapor column and bubble transverse motions on the heterogeneous wettability coated surface were observed. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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页数:6
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