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Two-fluid model based on the lattice Boltzmann equation

Tiefeng Wang and Jinfu Wang*

  • Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China

  • *Author to whom correspondence should be addressed. FAX: +86-10-62772051. Email address: wangjf@flotu.org
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Phys. Rev. E 71, 045301(R) – Published 28 April, 2005

DOI: https://doi.org/10.1103/PhysRevE.71.045301

Abstract

A two-fluid model for dispersed two-phase flows based on the lattice Boltzmann equation (LBE) is proposed. Two sets of LBEs are used to describe the two phases. The continuity and Navier-Stokes equations for the continuum-based two-fluid model are obtained from the LBEs by adding a pressure term. The phase holdup is readily calculated from the partial pressure of each phase because the two phases are described by the ideal gas equation of state. A simulated laminar gas-liquid two-phase flow gave good agreement with the results calculated by the conventional continuum-based two-fluid model.

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Outline

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Phys. Rev. E 71, 045301(R)– Published 28 April, 2005
  • Received 13 January 2005

© 2005 American Physical Society

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