期刊
PARTICUOLOGY
卷 8, 期 6, 页码 591-594出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.partic.2010.07.016
关键词
Mass-flow; Surcharge pressure; Cohesive arching
Current procedures for mass-flow hopper design are based on the radial stress theory developed by Jenike and involve the determination of the critical outlet dimensions for flow to be initiated. These procedures ignore the surcharge loads on the hopper and involve a study of the passive or arched stress field that exists under flow conditions. An alternative approach as applied to hopper wall load analysis is to employ the horizontal slice method. The arched stress field and horizontal slice methods of analysis are compared. The influence of surcharge loads in the determination of hopper geometry is investigated. (C) 2010 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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