Relationship of coefficient of restitution and damping coefficient of rock

被引：0

作者：

Arowojolu O. ^{[1
]}

Jung S.J. ^{[1
]}

Abu Abdo A.M. ^{[2
]}

机构：

[1] Department of Civil Engineering, University of Idaho, P.O. Box 441022, Moscow, 83844-1022, ID

[2] Department of Civil Engineering, Emirates College of Technology, P.O. Box 41009, Abu Dhabi

来源：

Jung, S.J. (sjung@uidaho.edu) | 1600年 / Inderscience Publishers卷 / 11期

关键词：

Coefficient of restitution; Damping coefficient; Ore pass; Rock flow;

D O I：

10.1504/IJMME.2020.111934

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

When rock travels through an ore pass, it falls, hits other rock materials, and ore passes walls. It is essential to understand the material flow and rock particle interactions in an ore pass to avoid hang-ups and accidents involving rock flow. Part of that understanding is to comprehend how rock reacts when it collides with other particles and other materials. It is difficult to determine the coefficient of restitution and the damping coefficient experimentally simultaneously. The objective of this study was to investigate the relation between the two parameters and determine their correlation mathematically. While it is difficult to measure the damping coefficient of rocks in a laboratory directly, results showed that it could be determined mathematically using the coefficient of restitution. Thus, it facilitates the use of rock flow dynamics simulation programs. Furthermore, the analysis showed that the coefficient of restitution exponentially decayed as the damping coefficient increased. Copyright © 2020 Inderscience Enterprises Ltd.

引用

页码：323 / 337

页数：14

共 50 条

[21] Coefficient of restitution for a superelastic collision
Cross, Rod
EUROPEAN JOURNAL OF PHYSICS, 2017, 38 (02)
[22] Coefficient of restitution for elastic disks
Gerl, F
Zippelius, A
PHYSICAL REVIEW E, 1999, 59 (02) : 2361 - 2372
[23] Coefficient of restitution in badminton racket
1600, Springer Verlag (23): : 15 - 26
[24] Coefficient of restitution as a fluctuating quantity
Montaine, Marina
Heckel, Michael
Kruelle, Christof
Schwager, Thomas
Poeschel, Thorsten
PHYSICAL REVIEW E, 2011, 84 (04):
[25] Negative coefficient of normal restitution
Mueller, Patric
Krengel, Dominik
Poeschel, Thorsten
PHYSICAL REVIEW E, 2012, 85 (04):
[26] MICROCOMPUTER LISTENS TO THE COEFFICIENT OF RESTITUTION
SMITH, PA
SPENCER, CD
JONES, DE
AMERICAN JOURNAL OF PHYSICS, 1981, 49 (02) : 136 - 140
[27] Coefficient of restitution for bouncing nanoparticles
Ayesh, A. I.
Brown, S. A.
Awasthi, A.
Hendy, S. C.
Convers, P. Y.
Nichol, K.
PHYSICAL REVIEW B, 2010, 81 (19)
[28] Coefficient of restitution for viscoelastic materials
Kim, Sangrak
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 2014, 64 (04) : 532 - 536
[29] Coefficient of restitution for viscoelastic disks
Schwager, Thomas
PHYSICAL REVIEW E, 2007, 75 (05):
[30] Coefficient of restitution of elastic disks
Hayakawa, H
Kuninaka, H
POWDERS AND GRAINS 2001, 2001, : 561 - 564

← 1 2 3 4 5 →