Commun. Comput. Phys., 7 (2010), pp. 350-361.

A Lattice Boltzmann Study of Phase Separation in Liquid-Vapor Systems with Gravity

Artur Cristea 1, Giuseppe Gonnella 2, Antonio Lamura 3, Victor Sofonea 1*

1 Center for Fundamental and Advanced Technical Research, Romanian Academy, Bd. Mihai Viteazul 24, 300223 Timisoara, Romania.
2 Dipartimento di Fisica, Universita di Bari and INFN, Sezione di Bari, Via Amendola 173, 70126 Bari, Italy.
3 Istituto Applicazioni Calcolo, CNR, Via Amendola 122/D, 70126 Bari, Italy.

Received 14 September 2008; Accepted (in revised version) 7 May 2009
Available online 24 August 2009


Phase separation of a two-dimensional van der Waals fluid subject to a gravitational force is studied by numerical simulations based on lattice Boltzmann methods (LBM) implemented with a finite difference scheme. A growth exponent $\alpha=1$ is measured in the direction of the external force.

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PACS: 47.11.-j, 47.20.Hw, 05.70.Ln
Key words: Lattice Boltzmann, phase separation, liquid-vapor, gravity.

*Corresponding author.
Email: (A. Cristea), (G. Gonnella), (A. Lamura), (V. Sofonea)

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