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Title: Simulation of the granular flow of cylindrical particles in the rotating drum
Authors: Yang, Shiliang
Sun, Yuhao
Chew, Jiawei
Keywords: Engineering::Chemical engineering
Issue Date: 2018
Source: Yang, S., Sun, Y., & Chew, J. W. (2018). Simulation of the granular flow of cylindrical particles in the rotating drum. AIChE Journal, 64(11), 3835-3848. doi:10.1002/aic.16342
Journal: AIChE Journal
Abstract: This study aims at unveiling the effect of particle shape on granular flow behavior. Discrete element method is used to simulate cylindrical particles with different aspect ratios in the rotating drum operating in the rolling regime. The results demonstrate that the cylindrical particles exhibit similar general flow patterns as the spherical particles. As the aspect ratio of the cylindrical particles increases, the active-passive interfaces become steeper, and the number fraction, solid residence time, and collision force in the active region decreases. The mechanism underlying the difference is the preferential orientation, with particles of greater aspect ratios increasingly orientating their longitudinal axes perpendicular to the drum length. Also, particle alignment in the active region is more uniform than that in the passive region. The results obtained in this work provide new insights regarding the impact of particle shape on granular flow in the rotating drum.
ISSN: 0001-1541
DOI: 10.1002/aic.16342
Rights: © 2018 American Institute of Chemical Engineer. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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