Discrete particle simulation of the homogeneous fluidization of Geldart A particles

M. Ye, M.A. Hoef, van der, J.A.M. Kuipers

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Abstract

The homogeneous fluidization of Geldart A particles has been studied with a 2D soft-sphere discrete particle model. We find that the homogeneous fluidization regime represents a quasi-equilibrium state where the force balance exists at the macroscopic-level, but not at the level of individual particles. The velocity fluctuation of particles is an exponential function of the squared superficial gas velocity in the homogeneous fluidization regime, not a linear function as found by Cody et al.
Original languageEnglish
Title of host publicationFluidization XI : present and future for fluidization engineering ; proceedings of the 11th international conference on fluidization, May 9-14, 2004, Ischia (Naples), Italy
EditorsU. Arena
Place of PublicationBrooklyn, NY
PublisherECI, Engineering Conference International
Pages699-706
ISBN (Print)0-918902-52-5
Publication statusPublished - 2004

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