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Structure-Property Relations in Bubble and Solid Particle Suspensions with Moderate Reynolds Numbers

Author
Yin, Xiaolong
Abstract
In this study, several important properties of inertial bubble and
solid particle suspensions have been characterized using numerical
simulations. These properties include the hindered settling velocity
and microstructure in solid particle suspensions, the scaling of the
velocity variance and hydrodynamic diffusivity in solid particle
suspensions, the hindered rise velocity and microstructure in
suspensions of monodisperse, spherical, non-coalescing bubbles, and
the lift force on bubbles in a sheared suspension. In order to
simulate suspensions of monodisperse, spherical, non-coalescing
bubbles, a lattice-Boltzmann boundary rule was designed. On the last
subject, the lift force in a sheared suspension, experiments have
also been conducted to verify the simulations.
Date Issued
2006-09-06Subject
structure-property relation; bubble suspension; solid particle suspension; moderate Reynolds number
Type
dissertation or thesis