Clustering of inelastic soft spheres in homogeneous turbulence

Details Clustering of inelastic soft spheres in homogeneous turbulence Clustering of inelastic soft spheres in homogeneous turbulence

2012-04-23

arxiv.org/abs/1204.4985v1

Physics

Fluid Dynamics

8 pages, 6 figures

Scientific paper

In this paper we numerically investigate the influence of dissipation during particle collisions in an homogeneous turbulent velocity field by coupling a discrete element method to a Lattice-Boltzmann simulation with spectral forcing. We show that even at moderate particle volume fractions the influence of dissipative collisions is important. We also investigate the transition from a regime where the turbulent velocity field significantly influences the spatial distribution of particles to a regime where the distribution is mainly influenced by particle collisions.

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