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Phys Rev Lett. 2002 Nov 18;89(21):214301. doi: 10.1103/PhysRevLett.89.214301. Epub 2002 Nov 01.

Competitive clustering in a bidisperse granular gas.

Physical review letters

René Mikkelsen, Devaraj Van Der Meer, Ko Van Der Weele, Detlef Lohse

Affiliations

  1. Department of Applied Physics and J. M. Burgers Centre for Fluid Dynamics, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.

PMID: 12443416 DOI: 10.1103/PhysRevLett.89.214301

Abstract

A bidisperse granular gas in a compartmentalized system is experimentally found to cluster competitively: Depending on the shaking strength, the clustering can be directed either towards the compartment initially containing mainly small particles or to the one containing mainly large particles. The experimental observations are quantitatively explained within a flux model.

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