Granular Fountains: Convection Cascade in a Compartementalized Gas

Devaraj van der Meer, Ko van der Weele, Peter Reimann

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10 Citations (Scopus)
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This paper extends the two-compartment granular fountain [D. van der Meer, P. Reimann, K. van der Weele, and D. Lohse, Phys. Rev. Lett. 92, 184301 (2004)] to an arbitrary number of compartments: The tendency of a granular gas to form clusters is exploited to generate spontaneous convective currents, with particles going down in the well-filled compartments and going up in the diluted ones. We focus upon the bifurcation diagram of the general K-compartment system, which is constructed using a dynamical flux model and which proves to agree quantitatively with results from molecular dynamics simulations.
Original languageEnglish
Article number061304
Number of pages12
JournalPhysical review E: Statistical, nonlinear, and soft matter physics
Issue number6
Publication statusPublished - 2006


  • IR-59101
  • METIS-236632


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