Jamming of granular flow in a two-dimensional Hopper

被引：362

作者：

To, K ^{[1
]}

Lai, PY

Pak, HK

机构：

[1] Acad Sinica, Inst Phys, Taipei 115, Taiwan

[2] Natl Cent Univ, Dept Phys, Chungli 320, Taiwan

[3] Natl Cent Univ, Ctr Complex Syst, Chungli 320, Taiwan

[4] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.86.71

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

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.

引用

页码：71 / 74

页数：4

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