How shear flow of a semidilute suspension modifies its self-mobility

J. Bławzdziewicz, M. L. Ekiel-Jeewska

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

We investigate a semidilute hard sphere colloidal suspension with no hydrodynamic interactions. The suspension undergoes a steady shear flow. In addition, a small constant external force induces a tagged particle flux. In order to determine the shear-dependent self-mobility matrix (relating the flux to the force) we construct the approximate solution to the two-particle Smoluchowski equation at contact, applying the induced source method, combined with a power expansion in the square root of the shear rate. We evaluate the self-mobility tensor numerically by means of Padé approximants for small and moderate shear rates.

Original languageEnglish
Pages (from-to)4704-4708
Number of pages5
JournalPhysical Review E
Volume51
Issue number5
DOIs
StatePublished - 1995

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