Experimental investigation of bidensity slurries on an incline

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

doi:10.1007/s10035-013-0480-2

Experimental investigation of bidensity slurries on an incline

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

Mechanical Engineering

Research output: Contribution to journal › Article › peer-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 language	English (US)
Pages (from-to)	269-274
Number of pages	6
Journal	Granular Matter
Volume	16
Issue number	2
DOIs	https://doi.org/10.1007/s10035-013-0480-2
State	Published - Apr 2014

Bibliographical note

Funding Information:
The authors would like to thank K. Allison, T. Crawford, S. Meguerdijian, and W. Rosenthal for their preliminary work on the bidensity experiments and image processing. This work was supported by UC Lab Fees Research Grant 09-LR-04-116741-BERA and NSF Grants DMS-1312543, DMS-1048840 and DMS-1045536.

Keywords

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

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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.",

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Experimental investigation of bidensity slurries on an incline

Abstract

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Keywords

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