Numerical simulation of bubble dynamics: Lattice-Boltzmann approach

被引：0
|
作者：
Yang, ZL [1 ]
Do, QM [1 ]
Palm, B [1 ]
Sehgal, BR [1 ]
机构：
[1] Royal Inst Technol, Energy Technol Dept, S-10044 Stockholm, Sweden
来源：
HEAT TRANSFER SCIENCE AND TECHNOLOGY 2000 | 2000年
关键词：
lattice-Boltzmann; bubble dynamics; bubble coalescence; Taylor bubble; narrow channel;
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In the present work, the FlowLab code, based on the D2Q9 lattice-Boltzmann model for two-phase flow is employed to simulate the bubble dynamics in different flow regimes. Firstly, the capability of the lattice-Boltzmann method to simulate the two-phase flow is examined. Then, the coalescence behavior of bubbles generated on a horizontal surface is simulated, two different coalescence regimes are identified, which are related to mechanism of two-phase flow transition under boiling conditions. Finally, the Taylor bubble dynamics in a narrow channel is simulated by present LB method, the simulation results agree qualitatively well with analytical solutions and experimental observations.
引用
收藏
页码：598 / 603
页数：6
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