Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | Impact of Particle Diameter, Particle Density and Degree of Filling on the Flow Behavior of Solid Particle Mixtures in a Rotating Drum Linköping University Electronic Press Conference Proceedings
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Title:
Impact of Particle Diameter, Particle Density and Degree of Filling on the Flow Behavior of Solid Particle Mixtures in a Rotating Drum
Author:
Sumudu Karunarathne: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Chameera Jayarathna: Tel-Tek, Norway Lars-Andre Tokheim: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway
DOI:
10.3384/ecp171421013
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016
Issue:
142
Article no.:
149
Pages:
1013-1018
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2018-12-19
ISBN:
978-91-7685-399-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Two-dimensional CFD simulations were performed to investigate the impact of density, particle diameter and degree of filling on the flow behavior of a solid particle mixture in a transverse plane of a rotary drum. The Eulerian approach with the kinetic theory of granular flow was used to simulate granular phases of CaCO3 and Al2O3 under the rolling mode. The volume fractions of each phase reveal that, under the considered conditions, the particle size has a greater impact on segregation than the density. Larger particles are collected at the bottom of the rotating drum while smaller particles move more into the mid-section of the bed. The active layer is responsible for the segregation owing to the trajectory mechanism. Particle segregation due to percolation is more dominant than segregation due to condensation. In addition to that, solids volume fraction variations in the moving bed indicate that the influence of the degree of particle filling made no significant impact on the degree of mixing in the rotating drum.

Keywords: rotating drums, segregation, granular flow, rolling mode, active layer

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Sumudu Karunarathne, Chameera Jayarathna, Lars-Andre Tokheim
Title:
Impact of Particle Diameter, Particle Density and Degree of Filling on the Flow Behavior of Solid Particle Mixtures in a Rotating Drum
DOI:
http://dx.doi.org/10.3384/ecp171421013
References:
No references available

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Sumudu Karunarathne, Chameera Jayarathna, Lars-Andre Tokheim
Title:
Impact of Particle Diameter, Particle Density and Degree of Filling on the Flow Behavior of Solid Particle Mixtures in a Rotating Drum
DOI:
https://doi.org10.3384/ecp171421013
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Citations:
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