Exploring the limits of granular hydrodynamics: A horizontal array of inelastic particles

Eshuis, Pieter and Weele van der, Ko and Calzavarini, Enrico and Lohse, Detlef and Meer van der, Devaraj (2009) Exploring the limits of granular hydrodynamics: A horizontal array of inelastic particles. Physical Review E: Statistical, nonlinear, and soft matter physics, 80 (1). 011302. ISSN 1539-3755

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Abstract:	The limits of granular hydrodynamics are explored in the context of the one-dimensional granular system introduced by Du, Li, and Kadanoff [Phys. Rev. Lett. 74, 1268 (1995)]. The density profile of the characteristic steady state, in which a single particle commutes between the driving wall and a dense cluster, is well captured by a hydrodynamic description provided that the finite size of the particles is incorporated. The temperature, however, is not well described: since all energy exchange is located at the border of the cluster, it is precisely for this quantity that the continuum approach breaks down.
Item Type:	Article
Copyright:	© 2009 The American Physical Society
Faculty:	Science and Technology (TNW)
Research Group:	Physics of Fluids (POF)
Link to this item:	http://purl.utwente.nl/publications/73709
Official URL:	http://dx.doi.org/10.1103/PhysRevE.80.011302
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