Sedimentation Waves in a Two-Phase Granular Liquid

V. V. Shelukhin; Шелухин В. В.; V. V. Neverov; Неверов В. В.

doi:10.31857/S0032823523020145

Sedimentation Waves in a Two-Phase Granular Liquid

Authors: Shelukhin V.V.¹, Neverov V.V.¹
Affiliations:
1. Lavrentiev Institute of Hydrodynamics SB RAS
Issue: Vol 87, No 2 (2023)
Pages: 240-253
Section: Articles
URL: https://journals.rcsi.science/0032-8235/article/view/138855
DOI: https://doi.org/10.31857/S0032823523020145
EDN: https://elibrary.ru/UBHIWW
ID: 138855

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Abstract
About the authors
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Abstract

The question of mathematical modeling of the flows of a suspension of solid particles without assumptions about low concentrations is considered. The difference between the velocities of the particles and the binding liquid is taken into account by applying the two-continuum approach, in which the particles and the liquid are treated as two different viscous liquids. The role of buoyancy forces and gravitational mobility on particle settling is investigated. A qualitative comparison is made with the theory of Kinch concentration waves for the case of one-dimensional vertical flows. The role of vortices on the transverse migration of particles during sedimentation in a two-dimensional vessel is noted.

Keywords

suspensions, sedimentation, buoyancy forces, transverse particle migration

About the authors

V. V. Shelukhin

Lavrentiev Institute of Hydrodynamics SB RAS

Author for correspondence.
Email: shelukhin@hydro.nsc.ru
Russia, Novosibirsk

V. V. Neverov

Lavrentiev Institute of Hydrodynamics SB RAS

Email: shelukhin@hydro.nsc.ru
Russia, Novosibirsk

References

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