AMADEUS Project and Microscopic Simulation of Boiling Two-Phase Flow by the Lattice-Boltzmann Method

Yasuyoshi Kato (), Koji Kono (), Takeshi Seta (), Daniel Martínez () and Shiyi Chen ()
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Yasuyoshi Kato: Institute of Applied Energy, Shimbashi SY Bldg., 14-2 Nishishimbashi 1-chome, Minato-ku, Tokyo 105, Japan
Koji Kono: Institute of Applied Energy, Shimbashi SY Bldg., 14-2 Nishishimbashi 1-chome, Minato-ku, Tokyo 105, Japan
Takeshi Seta: Institute of Applied Energy, Shimbashi SY Bldg., 14-2 Nishishimbashi 1-chome, Minato-ku, Tokyo 105, Japan
Daniel Martínez: IBM T. J. Watson Research Center, P. O. Box 218, Yorktown Heights, New York 10598, USA
Shiyi Chen: IBM T. J. Watson Research Center, P. O. Box 218, Yorktown Heights, New York 10598, USA

International Journal of Modern Physics C (IJMPC), 1997, vol. 08, issue 04, 843-858

Abstract: A two-dimensional lattice-Boltzmann model with a hexagonal lattice is developed to simulate a boiling two-phase flow microscopically. Liquid-gas phase transition and bubble dynamics, including bubble formation, growth and deformation, are modeled by using an interparticle potential based on the van der Waals equation of state. Thermohydrodynamics is incorporated into the model by adding extra velocities to define temperature. The lattice-Boltzmann model is solved by a finite difference scheme so that numerical stability can be ensured at large discontinuity across the liquid-gas phase boundary and the narrow phase interface thickness can be attained. It is shown from numerical simulations that the model has the ability to reproduce phase transition, bubble dynamics and thermohydrodynamics while assuring numerical instability and narrow phase interface.

Keywords: Discrete Model; Lattice-Boltzmann Method; Complex Flow; Multiphase Flow; Thermohydrodynamics; Liquid-Gas Phase Transition; Computational Fluid Dynamics (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1142/S0129183197000722

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