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Boundary effects in a quasi-two-dimensional driven granular fluid

Smith, N.D.; Smith, M.I.

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Authors

N.D. Smith



Abstract

The effect of a confining boundary on the spatial variations in granular temperature of a driven quasi-2d layer of particles is investigated experimentally. The radial drop in the relative granular temperature ?T/T, exhibits a maximum at intermediate particle numbers which coincides with a crossover from kinetic to collisional transport of energy. It is also found that at low particle numbers, the distributions of radial velocities are increasingly asymmetric as one approaches the boundary. The radial and tangential granular temperatures split, and in the tails of the radial velocity distribution there is a higher population of fast moving particles travelling away rather than towards the boundary.

Journal Article Type Article
Acceptance Date Nov 21, 2017
Publication Date Dec 29, 2017
Deposit Date Nov 28, 2017
Publicly Available Date Dec 29, 2017
Journal Physical Review E
Print ISSN 2470-0045
Electronic ISSN 1550-2376
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 96
Issue 6
Article Number 062910
DOI https://doi.org/10.1103/PhysRevE.96.062910
Public URL https://nottingham-repository.worktribe.com/output/902065
Publisher URL https://journals.aps.org/pre/abstract/10.1103/PhysRevE.96.062910

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