Sedimentation of Particles in Shear Flows of Viscoelastic Fluids

A. V. Bazilevskii, D. A. Koroteev, A. N. Rozhkov, A. A. Skobeleva

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

An experimental investigation of sedimentation of single particles and concentrated suspensions in Couette flows of viscous and viscoelastic fluids is presented. With the passage from viscous to viscoelastic fluids, a slowing down of the sedimentation was observed. The sedimentation of suspensions in viscoelastic fluids accelerated with increase in the suspension concentration. The development of instabilities during the sedimentation was detected.

Original languageEnglish
Pages (from-to)626-637
Number of pages12
JournalFluid Dynamics
Volume45
Issue number4
DOIs
Publication statusPublished - 2010
Externally publishedYes

Keywords

  • Couette flow
  • fluid
  • particle
  • sedimentation
  • suspension
  • viscoelasticity
  • viscosity

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