A mean-field free energy lattice Boltzmann model for multicomponent fluids

被引：13
|
作者：
Zhang, J. [1 ]
Kwok, D. Y.
机构：
[1] Laurentian Univ, Sch English, Sudbury, ON P3E 2C6, Canada
来源：
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS | 2009年 / 171卷
关键词：
CONTACT-ANGLE; SURFACE-TENSION; EQUATION; DYNAMICS; LINE;
D O I：
10.1140/epjst/e2009-01010-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a mean-field free energy approach to simulate multicomponent fluids. The model has been validated in terms of the Laplace equation of capillarity and dispersion relation of interfacial waves. Simulations of a ternary system shows that the total free energy decreases and reaches a minimum after phase separation has occurred. Different drop shapes can be obtained by adjusting the interaction strengths between individual components. These results demonstrate that both macroscopic free energy and microscopic fluid-fluid interactions have been well described in our multicomponent model.
引用
收藏
页码：45 / 53
页数：9
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