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International Journal of Chemical Reactor Engineering

Ed. by de Lasa, Hugo / Xu, Charles Chunbao

12 Issues per year

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Volume 9, Issue 1


Volume 9 (2011)

Volume 8 (2010)

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Volume 1 (2002)

CFD Simulation of Mass Transfer around Spherical Particles in Fluidized Bed

Zoha Vatani / Majid Taghizadeh / Reza Orouj
Published Online: 2011-07-07 | DOI: https://doi.org/10.1515/1542-6580.2696

In this study, the mass transfer of three-dimensional nonreactive gas-solid fluidized bed was investigated computationally. The influence of the inlet gas velocity and temperature on mass transfer of air to wet particles was analyzed. The simulation results indicated that the mass transfer coefficients of air to spherical sand particles was decreased from 2.12 to 1.66 m/s with increment of temperature from 300 to 360 K. Sherwood numbers of gas to cluster increased with the increase of inlet air velocity. CFD model of the gas-particle heat transfer have been implemented, the result showed that the heat flux of gas to particles increased with the increase of Reynolds number. Distributions of water vapor concentration and velocity in this bed were numerically predicted and the computed Sherwood and Nusselt numbers were compared with the estimated values from empirical equations.

Keywords: fluidized bed (FB); mass transfer; sand particles; Sherwood number; computational fluid dynamic (CFD)

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Published Online: 2011-07-07

Citation Information: International Journal of Chemical Reactor Engineering, Volume 9, Issue 1, ISSN (Online) 1542-6580, DOI: https://doi.org/10.1515/1542-6580.2696.

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