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Temperature anisotropy in a driven granular gas
arΧiv
Europhysics Letters
74
, 384 (
2006
)
Authors
Devaraj van der Meer
Peter Reimann
BibTeΧ
@article{0295-5075-74-3-384, author={D. van der Meer and P. Reimann}, title={Temperature anisotropy in a driven granular gas}, journal={EPL (Europhysics Letters)}, volume={74}, number={3}, pages={384}, url={http://stacks.iop.org/0295-5075/74/i=3/a=384}, year={2006}, abstract={When smooth granular material is fluidized by vertically shaking a container, we find that the temperature in the direction of energy input always exceeds the temperature in the other directions. An analytical model is presented which shows how the anisotropy can be traced back to the inelasticity of the interparticle collisions and the collisions with the wall. For a dilute granular gas, the model compares very well with molecular-dynamics simulations. It is concluded that any non-isotropic driving of a granular gas in a steady state necessarily causes anisotropy of the granular temperature.} }
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