The sedimentation velocity of dilute suspensions of nearly monosized spheres

The sedimentation velocity of dilute suspensions of spheres, with particle volume concentration up to 5%, has been experimentally measured for a variety of solid–liquid systems covering a large range of Reynolds numbers (from 0.01 to 1000). For the systems experimentally investigated, it was found t...

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Bibliographic Details
Published in:International journal of multiphase flow 1999-06, Vol.25 (4), p.559-574
Main Author: Di Felice, R
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Hindered settling velocity
Inertial flow regime
Multiparticle dilute suspension
Multiphase and particle-laden flows
Newtonian liquids
Nonhomogeneous flows
Numerical methods
Particle size analysis
Physics
Reynolds number
Suspensions (fluids)
Viscous flow
Viscous flow regime
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Summary:The sedimentation velocity of dilute suspensions of spheres, with particle volume concentration up to 5%, has been experimentally measured for a variety of solid–liquid systems covering a large range of Reynolds numbers (from 0.01 to 1000). For the systems experimentally investigated, it was found that the settling velocity was a linear function of the particle volume concentration, the dependency being less marked as the Reynolds number increased. A comparison between dilute and concentrated systems behaviour suggested a possible improvement of the Richardson–Zaki equation.
ISSN:0301-9322
1879-3533
DOI:10.1016/S0301-9322(98)00084-6