Frictionless conveying of frictional materials

被引：0
|
作者：
J. D. Goddard
机构：
[1] University of California,Department of Mechanical and Aerospace Engineering
[2] San Diego,undefined
来源：
Granular Matter | 2012年 / 14卷
关键词：
Slide conveying; Optimal cycle; Granular materials; Coulomb friction; Vibrated granular layers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Following a brief review of the technology and previous analyses of vibratory conveying of granular materials, a general solution is derived for a well-known rigid-slab model of slide-conveying in open and closed conduits, with Coulomb friction at the walls. The solution is applied to periodic rectangular-wave and sinusoidal forcing, and it is shown that the rectangular-wave forcing admits ideal cycles in which the kinematically optimal transport is also thermodynamically optimal, in the sense that no energy is dissipated by sliding friction.
引用
收藏
页码：145 / 149
页数：4
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