Rheology of a dilute emulsion of surfactant-covered spherical drops

J. Bławzdziewicz, P. Vlahovska and M. Loewenberg

Physica A: Statistical Mechanics and its Applications, 2000, vol. 276, issue 1, 50-85

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.

Keywords: Emulsion; Surfactant; Rheology; Stokes flow (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:276:y:2000:i:1:p:50-85

DOI: 10.1016/S0378-4371(99)00366-0

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