Birth and sudden death of a granular cluster


Weele, Ko van der and Meer, Devaraj van der and Lohse, Detlef (2003) Birth and sudden death of a granular cluster. In: T. Pöschel & N. Brilliantov (Eds.), Granular Gas Dynamics. Springer-Verlag, Berlijn, pp. 335-346. ISBN 9783540201106

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Abstract:Granular material is vibro-fluidized in N connected compartments. For sufficiently strong shaking the particles are statistically uniformly distributed over the compartments, but if the shaking intensity is lowered this uniform distribution gives way to a clustered state. The clustering transition is experimentally shown to be of 2nd order for N = 2 compartments and of 1st order for . In particular, the latter is hysteretic, involves long-lived transient states, and exhibits a striking lack of time reversibility. In the strong shaking regime, a cluster breaks down very abruptly and in its further decay shows anomalous diffusion, with the length scale going as t1/3 rather than the standard t1/2. We focus upon the self-similar nature of this process. The observed phenomena are all accounted for within a flux model.
Item Type:Book Section
Additional information:Lecture notes in physics, 0075-8450 ; 624
Copyright:© 2003 Springer-Verlag
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Metis ID: 216183