Hydrodynamic and Brownian Fluctuations in Sedimenting Suspensions

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dc.creatorPadding, J. T.
dc.creatorLouis, A. A.
dc.date2004-09-06
dc.date2004-11-11
dc.date.accessioned2026-07-07T03:00:21Z
dc.date.available2026-07-07T03:00:21Z
dc.descriptionWe use a mesoscopic computer simulation method to study the interplay between hydrodynamic and Brownian fluctuations during steady-state sedimentation of hard sphere particles for Peclet numbers (Pe) ranging from 0.1 to 15. Even when the hydrodynamic interactions are an order of magnitude weaker than Brownian forces, they still induce backflow effects that dominate the reduction of the average sedimentation velocity with increasing particle packing fraction. Velocity fluctuations, on the other hand, begin to show nonequilibrium hydrodynamic character for Pe > 1
dc.description4 pages 4 figures, RevTex, to appear in Phys. Rev. Lett. New version with some minor corrections
dc.identifierhttps://arxiv.org/abs/cond-mat/0409133
dc.identifierhttp://arxiv.org/abs/cond-mat/0409133
dc.identifierPhys. Rev. Lett. 93, 220601 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.220601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24797
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.titleHydrodynamic and Brownian Fluctuations in Sedimenting Suspensions
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