Effect of volume-contraction on incipient fluidization of binary-solid mixtures--颗粒学报PARTICUOLOGY

Asif, M. (2011). Effect of volume-contraction on incipient fluidization of binary-solid mixtures. Particuology, 9(2), 101-106. https://doi.org/10.1016/j.partic.2010.11.001

Effect of volume-contraction on incipient fluidization of binary-solid mixtures

Mohammad Asif^*

Chemical Engineering Department, King Saud University, Box 800, Riyadh 11421, Saudi Arabia

10.1016/j.partic.2010.11.001

Volume 9, Issue 2, April 2011, Pages 101-106

Received 6 August 2010, Revised 11 October 2010, Accepted 22 November 2010, Available online 20 February 2011.

E-mail: masif@ksu.edu.sa

Highlights

Abstract

Towards the development of a predictive model for computing the minimum fluidization velocity, the volume-contraction phenomenon arising from the mixing of unequal solid species is accounted for in the prediction of the bed void fraction of binary-solid mixtures at the incipient fluidization conditions. Comparison with experimental data obtained from the literature clearly shows that significantly improved predictions are obtained except for cases where the stratification pattern whether arising from the slow defluidization or the difference in the densities of the two species affects the mixing of the constituent species.

Graphical abstract

Keywords

Binary solid mixture; Bed void fraction; Volume-contraction; Minimum fluidization velocity

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