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Granular gases in compartmentalized systems

Umberto Marini Bettolo Marconi1, Giulio Costantini and Daniela Paolotti

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This contribution considers recent developments in understanding the behaviour of vibro-fluidized beads in containers partitioned into several connected chambers. The system is studied theoretically by means of a phenomenological mean-field approach. The equations governing the evolution of the average occupancy and the average kinetic energy of each compartment are derived by means of a simplified treatment of the Boltzmann equation.

Some applications of the method are presented. These include the study of a simple granular gas in a many-compartment container and a binary granular mixture in a two-compartment container.


PACS

51.10.+y Kinetic and transport theory of gases

05.60.-k Transport processes

Subjects

Plasma physics

Statistical physics and nonlinear systems

Dates

Issue 24 (22 June 2005)

Received 16 March 2005

Published 3 June 2005



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