Discrete particle simulation of a spout-fluid bed: treatment of two-way coupling and effect of drag closure

J.M. Link, N.G. Deen, J.A.M. Kuipers

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    Abstract

    A new method is proposed to map properties between the Lagrangian and Eulerian grid in a discrete particle model. The model was used to study the gas-particle flow in a spout-fluid bed and assess grid independency of the computations. Comparison between experimental and numerical results using various drag models revealed that the most frequently used drag model (i.e. the Ergun equation for low porosities and the Wen and Yu relation for high porosities) is less suitable for modeling fluid beds with stable high velocity jets, as encountered in spout(-fluid) beds. The Koch and Hill (2001) relation and the minimum of the relations of Ergun, and Wen and Yu are more suitable, although the former is preferred because of its more fundamental basis.
    Original languageUndefined
    Title of host publication5th International Conference on Multiphase flow
    Place of PublicationYokohama
    Pages-
    Number of pages12
    Publication statusPublished - 30 May 2004
    Event5th International Conference on Multiphase Flow 2004 - Yokohama, Japan
    Duration: 30 May 20044 Jun 2004
    Conference number: 5

    Publication series

    Name
    Volumeno. 45

    Conference

    Conference5th International Conference on Multiphase Flow 2004
    Abbreviated titleICMF 2004
    CountryJapan
    CityYokohama
    Period30/05/044/06/04

    Keywords

    • IR-49619
    • METIS-222248

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