期刊
COMPUTERS & FLUIDS
卷 164, 期 -, 页码 35-40出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compfluid.2016.12.026
关键词
Nucleate boiling; Shallow liquid; VOSET
资金
- National Key Basic Research Program of China (973 Program) [2013CB228304]
- National Natural Science Foundation of China [51136004]
This paper presents a numerical investigation on nucleate boiling in a condition of low liquid level, where the liquid height is comparable with the bubble departure diameter. A coupled volume-of-fluid and level set method (VOSET) was used to deal with the moving liquid-vapor interface, and a microlayer model was adopted for the thin liquid film around the three-phase contact line. The heat flux obtained by numerical simulation was compared with those calculated by experimental correlations, and the outcomes matched. The numerical results provide a reasonable explanation for the augment of heat transfer coefficient of nucleate boiling as the liquid level decreases to a certain value. (C) 2016 Elsevier Ltd. All rights reserved.
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