Modeling the Dynamics of Amphiphilic Fluids

A. Lamura (), G. Gonnella and J. M. Yeomans
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A. Lamura: Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica, Università di Bari, Italy;
G. Gonnella: Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica, Università di Bari, Italy;
J. M. Yeomans: Department of Physics, Theoretical Physics, 1 Keble Rd., Oxford OX1 3NP, England

International Journal of Modern Physics C (IJMPC), 1998, vol. 09, issue 08, 1469-1478

Abstract: We show how a lattice-Boltzmann approach can be extended to ternary fluid mixtures with the aim of modeling the diverse behavior of oil–water-surfactant systems. We model the mixture using a Ginzburg–Landau free energy with two scalar order parameters which allows us to define a lattice-Boltzmann scheme in the spirit of the Cahn–Hilliard approach to nonequilibrium dynamics. Results are presented for the spontaneous emulsification of an oil–water droplet and for spinodal decomposition in the presence of a surfactant.

Keywords: Lattice-Boltzmann Simulations; Amphiphilic Fluids; Surfactant Dynamics; Multiphase Flows (search for similar items in EconPapers)
Date: 1998
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DOI: 10.1142/S0129183198001333

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