2022
DOI: 10.1017/jfm.2022.786
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A pairwise hydrodynamic theory for flow-induced particle transport in shear and pressure-driven flows

Abstract: An exact pairwise hydrodynamic theory is developed for the flow-induced spatial distribution of particles in dilute polydisperse suspensions undergoing two-dimensional unidirectional flows, including shear and planar Poiseuille flows. Coupled diffusive fluxes and a drift velocity are extracted from a Boltzmann-like master equation. A boundary layer is predicted in regions where the shear rate vanishes with thickness set by the radii of the upstream collision cross-sections for pair interactions. An analysis of… Show more

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References 108 publications
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