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Modeling the Dynamics of Amphiphilic Fluids

Author

Listed:
  • A. Lamura

    (Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica, Università di Bari, Italy;
    Istituto Nazionale di Fisica Nucleare, Sezione di Bari, via Amendola 173, 70126 Bari, Italy)

  • G. Gonnella

    (Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica, Università di Bari, Italy;
    Istituto Nazionale di Fisica Nucleare, Sezione di Bari, via Amendola 173, 70126 Bari, Italy)

  • J. M. Yeomans

    (Department of Physics, Theoretical Physics, 1 Keble Rd., Oxford OX1 3NP, England)

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.

Suggested Citation

  • A. Lamura & G. Gonnella & J. M. Yeomans, 1998. "Modeling the Dynamics of Amphiphilic Fluids," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 9(08), pages 1469-1478.
    • Handle: RePEc:wsi:ijmpcx:v:09:y:1998:i:08:n:s0129183198001333
    DOI: 10.1142/S0129183198001333
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