Chemical-potential-based lattice Boltzmann method for nonideal fluids
Wen, BH; Zhou, X; He, B; Zhang, CY; Fang, HP
2017
发表期刊PHYSICAL REVIEW E
ISSN2470-0045
卷号95期号:6页码:-
文章类型期刊论文
摘要Chemical potential, as an important thermodynamic quantity, has been popularly used in thermodynamic modeling for complex systems, especially for those involving the phase transitions and chemical reactions. Here we present a chemical-potential-based multiphase lattice Boltzmann model, in which the nonideal force is directly evaluated by a chemical potential. The numerical computation is more efficient than the pressure-tensor-based model [Wen et al. Europhys. Lett. 112, 44002 (2015)] because the calculations of the pressure tensor and its divergence are avoided. We have derived several chemical potentials of the popular equations of state from the free-energy density function. The theoretical analyses and numerical results support that the present model satisfies thermodynamics and Galilean invariance. An effective chemical-potential boundary condition is also implemented to investigate the wettability of a solid surface, and the contact angle can be linearly tuned by the surface chemical potential.
关键词Large Density Ratio Incompressible 2-phase Flows Multiphase Flows Model Simulation Dynamics Equation Surface
DOI10.1103/PhysRevE.95.063305
关键词[WOS]LARGE DENSITY RATIO ; INCOMPRESSIBLE 2-PHASE FLOWS ; MULTIPHASE FLOWS ; MODEL ; SIMULATION ; DYNAMICS ; EQUATION ; SURFACE
收录类别SCI
语种英语
WOS记录号WOS:000403237800007
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28577
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
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Wen, BH,Zhou, X,He, B,et al. Chemical-potential-based lattice Boltzmann method for nonideal fluids[J]. PHYSICAL REVIEW E,2017,95(6):-.
APA Wen, BH,Zhou, X,He, B,Zhang, CY,&Fang, HP.(2017).Chemical-potential-based lattice Boltzmann method for nonideal fluids.PHYSICAL REVIEW E,95(6),-.
MLA Wen, BH,et al."Chemical-potential-based lattice Boltzmann method for nonideal fluids".PHYSICAL REVIEW E 95.6(2017):-.
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