Granular Matter

, Volume 4, Issue 3, pp 139–142

How good is the equipartition assumption for the transport properties of a granular mixture?

  • Meheboob Alam
  • Stefan Luding

DOI: 10.1007/s10035-002-0110-x

Cite this article as:
Alam, M. & Luding, S. GM (2002) 4: 139. doi:10.1007/s10035-002-0110-x


 Kinetic-theory, with the assumption of equipartition of granular energy, suggests that the pressure and viscosity of a granular mixture vary monotonically with the mass-ratio. Our simulation results show a non-monotonic behaviour that can be explained qualitatively by a simple model allowing for non-equipartition of granular energy between the species with different mass.

Keywordsensp;Binary mixture, Event-driven simulation, Energy non-equipartition, Transport coefficients, Mixture theory 

Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Meheboob Alam
    • 1
  • Stefan Luding
    • 2
  1. 1.Institut für Computeranwendungen 1 Pfaffenwaldring 27, 70569 Stuttgart, GermanyDE
  2. 2.Particle Technology, DelftChemTech, TU-Delft, Julianalaan 136, 2628 BL Delft, The NetherlandsNL

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