Flow and jam of granular particles in a two-dimensional hopper

Kiwing To, Pik-Yin Lai and H.k Pak

Physica A: Statistical Mechanics and its Applications, 2002, vol. 315, issue 1, 174-180

Abstract: The jamming phenomenon of granular flow of mono-disperse disks in a two-dimensional hopper is studied experimentally. When the opening of the hopper d is small, jamming occurs due to formation of an arch at the hopper opening. The jamming probability as a function of the hopper opening width is measured which show a sharp decrease at some range of d. By observing the disk configurations of the arch in the jamming events, the jamming probability can be explained quantitatively using a restricted random walker model. The average horizontal and vertical spans of the jamming arch are calculated from the restricted random walk model which compares favorably with experiments.

Keywords: Granular flow; Jamming (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:315:y:2002:i:1:p:174-180

DOI: 10.1016/S0378-4371(02)01237-2

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