Statistical Theory of Sedimentation of Disordered Suspensions

1110 West Green Street; Hisao Hayakawa (Dept. of Physics; IL 61801-3080; Japan); Kengo Ichiki (Dept. of Physics; Sendai 980-77; Tohoku Univ.; Univ. of Illinois at Urbana- Champaign; Urbana; USA)

arxiv: adap-org/9502003 · v1 · pith:DQASNL7Pnew · submitted 1995-02-11 · adap-org · nlin.AO

Statistical Theory of Sedimentation of Disordered Suspensions

Hisao Hayakawa (Dept. of Physics , Univ. of Illinois at Urbana- Champaign , 1110 West Green Street , Urbana , IL 61801-3080 , USA) , Kengo Ichiki (Dept. of Physics , Tohoku Univ.

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Sendai 980-77 Japan)

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keywords sedimentationdisorderedratesuspensionsagreesanalyticalbradycalculated

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An analytical treatment for the sedimentation rate of disordered suspensions is presented in the context of a resistance problem. From the calculation it is confirmed that the lubrication effect is important in contrast to the suggestion by Brady and Durlofsky (Phys.Fluids Vol.31, 717 (1988)). The calculated sedimentation rate agrees well with the experimental results in all range of the volume fraction.

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Statistical Theory of Sedimentation of Disordered Suspensions

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