Sedimentation and self-diffusion in suspensions of spherical particles

B. Cichocki and B.U. Felderhof

Physica A: Statistical Mechanics and its Applications, 1989, vol. 154, issue 2, 213-232

Abstract: We study hindered settling in monodisperse suspensions of spherical particles in an incompressible viscous fluid. The sedimentation and self-diffusion coefficients are calculated in two-body approximation. We show that in a homogeneous and isotropic suspension in which the change of distribution function is not taken into account a transition to plug flow occurs at a volume fraction of about fifteen percent. At higher volume fractions the collective mobility coefficient vanishes. We discuss the relation to the experimental situation.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:154:y:1989:i:2:p:213-232

DOI: 10.1016/0378-4371(89)90010-1

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