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CFD-DEM Simulation of a Conical Spouted Bed Operating with High Density Particles

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Book cover Proceedings of the 7th International Conference on Discrete Element Methods (DEM 2016)

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Abstract

The hydrodynamics of a spouted bed operating with high density zirconia particles was studied by CFD-DEM simulations. The model was validated by experimental data. Simulation results were used to obtain radial and axial profiles of the particle velocity, solid hold-up and flux in the bed at two bed heights. The gas jet velocity profile in the spout was also studied. For calculation of the solid circulation time in the bed, axial positions of 50 particles were traced in time. The mean solids circulation time in the bed was found to be 1.5 s.

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Abbreviations

D c :

Column diameter, mm

D i :

Gas inlet diameter, mm

D o :

Bottom diameter, mm

d p :

Diameter of particles, mm

E :

Young’s modulus, GPa

e :

Coefficient of restitution, dimensionless

R :

Correlation coefficient, dimensionless

U 0 :

Gas inlet velocity, m/s

ε:

Voidage, dimensionless

μ:

Friction coefficient, dimensionless

μr :

Rolling friction factor, dimensionless

ν:

Poisson’s ratio, dimensionless

ρp :

Density of particles, kg/m3

References

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Author information

Authors and Affiliations

  1. Process Design and Simulation Research Centre, School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box 11155/4563, Tehran, Iran

    Shahab Golshan, Reza Zarghami & Navid Mostoufi

  2. Department of Mechanical Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey

    Murat Koksal

  3. Department of Chemical Engineering, Middle East Technical University, 06800, Ankara, Turkey

    Gorkem Kulah

Authors
  1. Shahab Golshan
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  2. Reza Zarghami
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  3. Navid Mostoufi
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  4. Murat Koksal
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  5. Gorkem Kulah
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Corresponding author

Correspondence to Navid Mostoufi .

Editor information

Editors and Affiliations

  1. Dalian University of Technology, Department of Engineering Mechanics Dalian University of Technology, Dalian, Liaoning, China

    Xikui Li

  2. Swansea University, College of Engineering Swansea University, Swansea, United Kingdom

    Yuntian Feng

  3. Colorado School of Mines, Department of Mechanical Engineering Colorado School of Mines, Golden, Colorado, USA

    Graham Mustoe

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Golshan, S., Zarghami, R., Mostoufi, N., Koksal, M., Kulah, G. (2017). CFD-DEM Simulation of a Conical Spouted Bed Operating with High Density Particles. In: Li, X., Feng, Y., Mustoe, G. (eds) Proceedings of the 7th International Conference on Discrete Element Methods. DEM 2016. Springer Proceedings in Physics, vol 188. Springer, Singapore. https://doi.org/10.1007/978-981-10-1926-5_99

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  • DOI: https://doi.org/10.1007/978-981-10-1926-5_99

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1925-8

  • Online ISBN: 978-981-10-1926-5

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