Flow of cohesive solids in standpipes against a pressure gradient

Leung L.S. and Teo C.S. (1983) Flow of cohesive solids in standpipes against a pressure gradient. Chemical Engineering Science, 38 1: 115-119. doi:10.1016/0009-2509(83)80140-7


Author Leung L.S.
Teo C.S.
Title Flow of cohesive solids in standpipes against a pressure gradient
Journal name Chemical Engineering Science   Check publisher's open access policy
ISSN 0009-2509
Publication date 1983-01-01
Sub-type Article (original research)
DOI 10.1016/0009-2509(83)80140-7
Volume 38
Issue 1
Start page 115
End page 119
Total pages 5
Subject 1500 Chemical Engineering
Abstract For downflow of cohesive solids in a standpipe in the absence of pressure gradient, the flow, no-flow criterion of Jenike (1964) can be applied to determine the minimum diameter for no arching to occur. In this paper Jenike's analysis is extended to account for the presence of pressure gradient in the standpipe. An equation for estimating minimum pipe diameter for smooth flow is presented. For design we suggest that the minimum diameter in the absence of pressure gradient should be measured and our equation is to be applied to extrapolate to the real situation with a finite pressure gradient. The present work is relevant to recent usage of standpipes in oil-shale processing and coal power plants.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 14 Jun 2016, 15:00:29 EST by System User