Effects of Polarization on Particle-Laden Flows

Jari Kolehmainen, Ali Ozel, Yile Gu, Troy Shinbrot, Sankaran Sundaresan

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Simulations of particle-laden flow with dielectric particles are carried out with varying levels of electrical charging and particle polarization. Simulation results reveal three distinct flow regions. For low particle charge and polarizability, flow is nearly symmetric and nonmeandering. For strong charging and polarization, particles form a continuous and tightly clustered sheet close to one of the walls. Between these extremes, particles form localized particle-rich regions, around which the gas executes a meandering flow. These results indicate that polarization can lead to qualitative changes in the characteristics of particle-laden flows subject to tribocharging.

Original languageEnglish (US)
Article number124503
JournalPhysical review letters
Volume121
Issue number12
DOIs
StatePublished - Sep 21 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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