Jerkins, Melissa, Schröter, Matthias, Swinney, Harry, Senden, Tim, Saadatfar, Mohammad, Aste, Tomaso (2008) Onset of Mechanical Stability in Random Packings of Frictional Spheres. Physical Review Letters: Moving Physics Forward, 101 (1). ISSN 0031-9007. (doi:10.1103/PhysRevLett.101.018301) (KAR id:29178)
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| Official URL: http://dx.doi.org/10.1103/PhysRevLett.101.018301 |
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Abstract
Using sedimentation to obtain precisely controlled packings of noncohesive spheres, we find that the volume fraction ?RLP of the loosest mechanically stable packing is in an operational sense well defined by a limit process. This random loose packing volume fraction decreases with decreasing pressure p and increasing interparticle friction coefficient ?. Using x-ray tomography to correct for a container boundary effect that depends on particle size, we find for rough particles in the limit p?0 a new lower bound, ?RLP=0.550±0.001.
| Item Type: | Article |
|---|---|
| DOI/Identification number: | 10.1103/PhysRevLett.101.018301 |
| Subjects: | Q Science |
| Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
| Depositing User: | Tomaso Aste |
| Date Deposited: | 20 Mar 2012 16:13 UTC |
| Last Modified: | 16 Nov 2021 10:07 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/29178 (The current URI for this page, for reference purposes) |
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