Lattice Boltzmann simulations of quasi-steady film and axisymmetric nucleate boiling

被引:1
作者
Alsadik, Tahani [1 ]
Welch, Samuel W. J. [1 ]
Premnath, Kannan N. [1 ]
机构
[1] Univ Colorado Denver, Dept Mech Engn, Denver, CO 80204 USA
关键词
OF-FLUID METHOD; HEAT-TRANSFER; NUMERICAL-SIMULATION; LEVEL SET; FLOWS; BUBBLE; MODEL; VOLUME; DEPARTURE; PHASES;
D O I
10.1063/5.0192074
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
An axisymmetric multiple relaxation time lattice Boltzmann method utilizing the Shan-Chen pseudo-potential model is developed and combined with an axisymmetric finite difference approximation of the energy equation to form a hybrid method with a view toward studying axisymmetric nucleate boiling. The mechanism of phase change in the Shan-Chen model is investigated, and the model is validated by simulating a Stefan problem as well as simulations of quasi-steady film boiling with comparisons to established results. Axisymmetric quasi-steady nucleate boiling is then investigated including examining the effect of the wetting properties of surfaces by varying the wettability force to vary the dynamic contact angle.
引用
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页数:23
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