Effect of granule morphology on breakage behaviour during compression

Golchert, D., Moreno, R., Ghadiri, M. and Litster, J. D. (2004) Effect of granule morphology on breakage behaviour during compression. Powder Technology, 143-144 4: 84-96. doi:10.1016/j.powtec.2004.04.032

Author Golchert, D.
Moreno, R.
Ghadiri, M.
Litster, J. D.
Title Effect of granule morphology on breakage behaviour during compression
Journal name Powder Technology   Check publisher's open access policy
ISSN 0032-5910
Publication date 2004-06-25
Sub-type Article (original research)
DOI 10.1016/j.powtec.2004.04.032
Volume 143-144
Issue 4
Start page 84
End page 96
Total pages 13
Editor J. P. K. Seville
Place of publication Lausanne, Switzerland
Publisher Elsevier S.A.
Collection year 2004
Language eng
Subject C1
290699 Chemical Engineering not elsewhere classified
780102 Physical sciences
290000 Engineering and Technology
290600 Chemical Engineering
290602 Process Control and Simulation
Abstract In the area of dry particle breakage, Discrete Element Method (DEM) simulations have been widely used to analyse the sensitivity of various physical parameters to the behaviour of agglomerates during breakage. This paper looks at the effect of agglomerate shape and structure on the mechanisms and extent of breakage of dry agglomerates under compressive load using DEM simulations. In the simulations, a spherical-shaped agglomerate produced within the DEM code is compared with an irregularly shaped agglomerate, whose structure is that of an actual granule that was characterised with X-ray microtomography (muCT). Both agglomerates have identical particle size distribution, coordination number and surface energy values, with only the agglomerate shape and structure differing between the two. The work here details the breakage behaviour with a number of traditional DEM output parameters (i.e., contact/cluster distributions) with showing vastly different behaviour between the two agglomerates. (C) 2004 Elsevier B.V. All rights reserved.
Keyword Engineering, Chemical
Discrete Element Method (dem)
Impact Breakage
Numerical Simulations
References Special issue of the journal on particle breakage.
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 04:40:24 EST