Jamming of Granular Flow in a Two-Dimensional Hopper

by: Kiwing To, Pik-Yin Lai, HK Pak

Physical Review Letters, Vol. 86, No. 1. (1 January 2001), 71.

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摘要

We study experimentally the jamming phenomenon of granular flow of monodisperse disks of D = 5 mm diameter in a two-dimensional hopper with opening R . The jamming probability J ( d ) is measured where d ≡ R / D . We found that J ( d ) decreases from 1 to zero when d increases from 2 to 5. From observing the disk configurations of the arch in the jamming events; the jamming probability can be explained quantitatively by treating the arch as the trajectory of a restricted random walker.

@article{citeulike:1699098, abstract = {We study experimentally the jamming phenomenon of granular flow of monodisperse disks of D = 5 mm diameter in a two-dimensional hopper with opening R . The jamming probability J ( d ) is measured where d ≡ R / D . We found that J ( d ) decreases from 1 to zero when d increases from 2 to 5. From observing the disk configurations of the arch in the jamming events; the jamming probability can be explained quantitatively by treating the arch as the trajectory of a restricted random walker.}, author = {To, Kiwing and Lai, Pik-Yin and Pak, H. K. }, citeulike-article-id = {1699098}, doi = {http://dx.doi.org/10.1103/PhysRevLett.86.71}, journal = {Physical Review Letters}, keywords = {2d, granular, jamming, journal-club, length-scale}, month = {January}, number = {1}, pages = {71+}, posted-at = {2007-09-27 04:13:37}, priority = {0}, publisher = {American Physical Society}, title = {Jamming of Granular Flow in a Two-Dimensional Hopper}, url = {http://dx.doi.org/10.1103/PhysRevLett.86.71}, volume = {86}, year = {2001} }

RIS record

TY - JOUR ID - citeulike:1699098 L3 - citeulike-article-id:1699098 N2 - We study experimentally the jamming phenomenon of granular flow of monodisperse disks of D = 5 mm diameter in a two-dimensional hopper with opening R . The jamming probability J ( d ) is measured where d ≡ R / D . We found that J ( d ) decreases from 1 to zero when d increases from 2 to 5. From observing the disk configurations of the arch in the jamming events; the jamming probability can be explained quantitatively by treating the arch as the trajectory of a restricted random walker. IS - 1 JF - Physical Review Letters TI - Jamming of Granular Flow in a Two-Dimensional Hopper PB - American Physical Society VL - 86 SP - 71 KW - 2d KW - granular KW - jamming KW - journal-club KW - length-scale AU - To, Kiwing AU - Lai, Pik-Yin AU - Pak, HK PY - 2001/01/01/ UR - http://dx.doi.org/10.1103/PhysRevLett.86.71 ER -

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