Dispersion And Coalescence Of Two Pulses Of
Spherical Solid Particles Dropped Successively
Into An Initially Quiescent Liquid
Author(s)
J.W. Holbeach & M.R. Davidson
Abstract
The penetration, dispersion and eventual coalescence of two pulses of monosized
spherical solid particles dropped successively into an initially quiescent.
fluid is examined numerically. Solid particle motion is modelled via a Eulerian
- Eulerian, multiphase, finite volume approach, within a cylindrical
geometry. Flow of the solid and liquid phases is coupled numerically and
inter-particle interactions are modelled using a solids pressure expression.
The dispersion of single and double pulses of micron sized spherical particles
were undertaken for comparison. In the case of two successive pulses
of solids, the first pulse of solids is found to form a closed torus which is
subsequently penetrated by the second pulse. Thereafter, the two pulses
combine to form
Keywords
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