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Excluded-volume attraction in vibrated granular mixtures.

Bose, M and Nott, PR and Kumaran, V (2004) Excluded-volume attraction in vibrated granular mixtures. In: Europhysics Lettetrs, 68 (4). pp. 508-514.

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Segregation of larger particles due to excluded-volume attraction is studied using experiments and simulations in a bidisperse vibrated granular material. There is an attractive force when the distance between the large particles is less than the small-particle diameter, because smaller particles are excluded from the gap between the larger particles, and there is no pressure in the gap to resist the pressure exerted by the collision of the smaller particles on the outer surfaces of the larger particles. Analytical results are derived for the excluded-volume attraction, and these are in agreement with the experimental and simulation results.

Item Type: Journal Article
Publication: Europhysics Lettetrs
Publisher: EDP Sciences
Additional Information: The copyright of this article belongs to EDP Sciences.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 09 Mar 2006
Last Modified: 19 Sep 2010 04:24
URI: http://eprints.iisc.ac.in/id/eprint/5861

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