Pattern formation in a rotating suspension of non-Brownian buoyant particles

This study examines the concentration and velocity patterns observed in a horizontal rotating cylinder completely filled with a monodisperse suspension of non-Brownian buoyant particles. The unique patterns or phases are mapped by varying both the rotation rate and the solvent viscosity. Individual...

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Published in:Physics of fluids (1994) 2008-08, Vol.20 (8)
Main Authors: Kalyankar, Makrand G., Matson, W. R., Tong, Penger, Ackerson, Bruce J.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Multiphase and particle-laden flows
Nonhomogeneous flows
Pattern selection
pattern formation
Physics
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creator Kalyankar, Makrand G.
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description This study examines the concentration and velocity patterns observed in a horizontal rotating cylinder completely filled with a monodisperse suspension of non-Brownian buoyant particles. The unique patterns or phases are mapped by varying both the rotation rate and the solvent viscosity. Individual phases are identified using both frontal ( θ - z plane) and axial ( r - θ plane) views. Phase boundaries are compared to those obtained recently for suspensions of nonbuoyant particles. Expressing the boundaries in terms of dimensionless parameters unifies the data for several samples at low rotation rates. When centrifugal force dominates, the behavior becomes quite different from previous studies.
doi_str_mv 10.1063/1.2970156
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); AIP Digital Archive
subjects Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Multiphase and particle-laden flows
Nonhomogeneous flows
Pattern selection
pattern formation
Physics
title Pattern formation in a rotating suspension of non-Brownian buoyant particles
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