CFD Simulation of Spouted Bed Working with a Size Distribution of Sand Particles: Segregation Aspects

Publisher: Trans Tech Publications

E-ISSN: 1662-9752|2017|899|95-100

ISSN: 0255-5476

Source: Materials Science Forum, Vol.2017, Iss.899, 2017-08, pp. : 95-100

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Abstract

Spouted bed simulations are usually performed using only one granular phase with a mean particle diameter representing the entire particle mixture, instead of a particle size distribution. In this study, the effect of the particle size distribution is accounted through the simulation of a mixture with five granular phases. The results showed that the particle segregation occurs. Larger particles are more concentrated in the upper region, while the smaller particles are preferably positioned in the lower region of the bed. Computational simulation using CFD method reproduced well the segregation experiments with different participle sizes of sand.