Granular gases in compartmentalized Systems

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Abstract

Although both granular gases (GG) and molecular gases (MG) are characterized by random motions of their constituents, phenomena not possible for MG, such as clustering and Maxwell's demon are reported in GG. The origin of these intriguing phenomena is the dissipative collisions in GG which are coupled to the local density of the GG in a spatially extended or compartmentalized system. Systems with two or more types of grains are especially interesting because the asymmetry in the dissipative collisions between different types of grains can lead to oscillations and even more interesting dynamics. In this article, flux models with different granular temperatures for different types of grains are studied to understand and explore these phenomena.

Original languageEnglish
Article number041001
JournalJournal of the Physical Society of Japan
Volume78
Issue number4
DOIs
StatePublished - Apr 2009

Keywords

  • Granular materials
  • Nonlinear dynamics
  • Oscillations

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