Experimental investigation of bidensity slurries on an incline

Sungyon Lee, Aliki Mavromoustaki, Gilberto Urdaneta, Kaiwen Huang, Andrea L. Bertozzi

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We investigate the dynamics of bidensity slurries on an incline. The particle-fluid mixture consists of two species of negatively buoyant particles that have roughly the same size but significantly variant densities. This mismatch in particle densities induces or prevents settling depending on the relative amount of heavy to light particles, leading to complex regimes also found in the monodisperse case. In addition, when settling effects dominate within the thin film, we observe the phase separation down the incline between the particles and the liquid, as well as between two particle types.

Original languageEnglish (US)
Pages (from-to)269-274
Number of pages6
JournalGranular Matter
Volume16
Issue number2
DOIs
StatePublished - Apr 2014

Keywords

  • Bidisperse slurries
  • Particle segregation
  • Particle-laden flow
  • Shear-induced migration
  • Thin films

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