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Chemical-potential-based lattice Boltzmann method for nonideal fluids
Wen, BH; Zhou, X; He, B; Zhang, CY; Fang, HP
2017
Source PublicationPHYSICAL REVIEW E
ISSN2470-0045
Volume95Issue:6Pages:-
Subtype期刊论文
AbstractChemical 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.
KeywordLarge Density Ratio Incompressible 2-phase Flows Multiphase Flows Model Simulation Dynamics Equation Surface
DOI10.1103/PhysRevE.95.063305
WOS KeywordLARGE DENSITY RATIO ; INCOMPRESSIBLE 2-PHASE FLOWS ; MULTIPHASE FLOWS ; MODEL ; SIMULATION ; DYNAMICS ; EQUATION ; SURFACE
Indexed BySCI
Language英语
WOS IDWOS:000403237800007
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28577
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
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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