期刊
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
卷 59, 期 11, 页码 857-881出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10407782.2011.561079
关键词
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资金
- National Natural Science Foundation of China [50636050, 50876083]
- National Key Project for R D of China [2011CB710702]
This article presents a numerical method directed towards the simulation of flows with changes of phase. The volume-of-fluid level set (VOSET) method, which is a new interface capturing method and combines the advantages of both volume-of-fluid (VOF) and level set methods, is used for interface tracking. A difficulty occurs for the problems studied here: the discontinuous velocity field due to the difference between mass-weighted velocity and volume weighted velocity caused by the phase change at the interface. In this article, some special treatment is made to overcome this difficulty. The VOSET method and the developed treatment for the difference between mass-weighted and volume-weighted velocities are adopted to simulate a one-dimensional Stefan problem, two-dimensional horizontal film boiling, and horizontal film boiling of water at near critical pressure. The predicted results in both Nusselt number and flow patterns are agreeable with experimental results available in the literature.
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