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Numerical simulation of bubble flows by the lattice Boltzmann method

Published: 01 August 2004 Publication History

Abstract

A lattice Boltzmann method for two-phase immiscible fluids with large density ratios is proposed. The difficulty in the treatment of large density ratio is resolved by using the projection method. The method can simulate two-phase fluid flows with the density ratio up to 1000. The method is applied to the simulations of a single rising bubble in liquid and many bubbles rising in a square duct. The terminal shapes and the terminal Reynolds numbers of the single bubble for various Morton and Eötvös numbers are in good agreement with available experimental data. The complicated unsteady structures of the interface and the flow field are illustrated in many bubbles rising in a square duct.

References

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Cited By

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  • (2010)Lattice methods for fluid animation in gamesComputers in Entertainment10.1145/1658866.16588757:4(1-29)Online publication date: 1-Jan-2010
  • (2006)Lattice Boltzmann simulation of liquid-gas flows through solid bodies in a square ductMathematics and Computers in Simulation10.1016/j.matcom.2006.05.01872:2-6(264-269)Online publication date: 9-Sep-2006

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Published In

cover image Future Generation Computer Systems
Future Generation Computer Systems  Volume 20, Issue 6
Special issue: Computational science of lattice Boltzmann modelling
August 2004
181 pages

Publisher

Elsevier Science Publishers B. V.

Netherlands

Publication History

Published: 01 August 2004

Author Tags

  1. bubble flow
  2. lattice Boltzmann method (LBM)
  3. two-phase flow

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View all
  • (2010)Lattice methods for fluid animation in gamesComputers in Entertainment10.1145/1658866.16588757:4(1-29)Online publication date: 1-Jan-2010
  • (2006)Lattice Boltzmann simulation of liquid-gas flows through solid bodies in a square ductMathematics and Computers in Simulation10.1016/j.matcom.2006.05.01872:2-6(264-269)Online publication date: 9-Sep-2006

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