A Lattice Boltzmann Model for Multi-phase Fluid Flows

Details A Lattice Boltzmann Model for Multi-phase Fluid Flows A Lattice Boltzmann Model for Multi-phase Fluid Flows

1993-03-04

arxiv.org/abs/comp-gas/9303001v2

Nonlinear Sciences

Cellular Automata and Lattice Gases

15 pages, latex

Scientific paper

10.1063/1.858769

We develop a lattice Boltzmann equation method for simulating multi-phase immiscible fluid flows with variation of density and viscosity, based on the model proposed by Gunstensen {\em et al} for two-component immiscible fluids. The numerical measurements of surface tension and viscosity agree well with theoretical predictions. Several basic numerical tests, including spinodal decomposition, two-phase fluid flows in two-dimensional channels and two-phase viscous fingering, are shown in agreement of experiments and analytical solutions.

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