Journal
POWDER TECHNOLOGY
Volume 382, Issue -, Pages 351-363Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2020.11.083
Keywords
CFD; DEM; Stokesian dynamics; Drag
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The rapid advancement of functional material systems with non-spherical particles has created a demand for technical tools to support process design and understanding of such systems. A novel approach for calculating drag forces and torques for non-spherical particles in liquid media has been proposed in this study.
The fast advancement of existing and new functional material systems, where particulate morphology differs from traditional systems (e.g. fibers, flakes,), demands technical know-how on the processing of non-spherical particles in liquid media. There are few to no technical relevant tools available for the prediction of such particulate systems, specifically when particle-particle interactions and particle orientation are relevant, making development of such processes time consuming and expensive. Therefore, a tool is needed to support process design and further understand of non-spherical systems. On this work, a novel approach for the calculation of drag forces and drag induced torques for non-spherical particles in the context of CFD-DEM coupling is presented. The approach is inspired by Stokesian Dynamics for the computation of drag forces and torques when using the multi-sphere method for the representation of non-spherical particles. (C) 2020 Published by Elsevier B.V.
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