Contributions to the experimental validation of the discrete element method applied to tumbling mills

McBride, Andrew, Govender, Indresan, Powell, Malcolm and Cloete, Trevor (2004) Contributions to the experimental validation of the discrete element method applied to tumbling mills. Engineering Computations, 21 2: 119-136.


Author McBride, Andrew
Govender, Indresan
Powell, Malcolm
Cloete, Trevor
Title Contributions to the experimental validation of the discrete element method applied to tumbling mills
Journal name Engineering Computations  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2004
Sub-type Article
Volume number 21
Issue number 2
ISSN 0264-4401
Start page 119
End page 136
Total pages 18
Place of publication Bradford, England
Publisher MCB University Press
Language eng
Subject 091404 Mineral Processing/Beneficiation
Abstract Accurate 3D experimental particle trajectory data, acquired from a laboratory tumbling mill using bi-planar X-ray filming, are used to validate the discrete element method (DEM). Novel numerical characterisation techniques are presented that provide a basis for comparing the experimental and simulated charge behaviour. These techniques are based on fundamental conservation principles, and provide robust, new interpretations of charge behaviour that are free of operator bias. Two- and three-dimensional DEM simulations of the experimental tumbling mill are performed, and the relative merits of each discussed. The results indicate that in its current form DEM can simulate some of the salient features of the tumbling mill charge, however, comparison with the experiment indicate that the technique requires refinement to adequately simulate all aspects of the system
Keyword Discrete manufacturing
Experimentation
Simulation
Q-Index Code C1

 
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Created: Fri, 23 Jan 2009, 10:47:26 EST by Ms Lynette Adams on behalf of School of Engineering