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Rheology of a dilute emulsion of surfactant-covered spherical drops

Author

Listed:
  • Bławzdziewicz, J.
  • Vlahovska, P.
  • Loewenberg, M.

Abstract

The rheology of a diluted emulsion of surfactant-covered spherical drops has been investigated. A diluted film of insoluble surfactant is assumed. A matrix formulation of the problem is derived and analyzed by perturbation expansions for low- and high-shear rates, and for high-viscosity drops; the high-viscosity expansion converges rapidly for a wide range of parameters. Our theory provides a quantitative description of shear thinning and normal stress differences that occur as a result of surfactant redistribution.

Suggested Citation

  • Bławzdziewicz, J. & Vlahovska, P. & Loewenberg, M., 2000. "Rheology of a dilute emulsion of surfactant-covered spherical drops," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 276(1), pages 50-85.
    • Handle: RePEc:eee:phsmap:v:276:y:2000:i:1:p:50-85
    DOI: 10.1016/S0378-4371(99)00366-0
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    References listed on IDEAS

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    1. Jones, R.B. & Schmitz, R., 1988. "Mobility matrix for arbitrary spherical particles in solution," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 149(3), pages 373-394.
    2. Schmitz, R. & Felderhof, B.U., 1982. "Creeping flow about a spherical particle," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 113(1), pages 90-102.
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    Cited by:

    1. Bhattacharya, S. & Bławzdziewicz, J. & Wajnryb, E., 2005. "Many-particle hydrodynamic interactions in parallel-wall geometry: Cartesian-representation method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 356(2), pages 294-340.

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    1. Bhattacharya, S. & Bławzdziewicz, J. & Wajnryb, E., 2005. "Many-particle hydrodynamic interactions in parallel-wall geometry: Cartesian-representation method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 356(2), pages 294-340.

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