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    Property Predictions for Packed Columns Using Monte Carlo and Discrete Element Digital Packing Algorithms

    C. Xu1, X. Jia2, R. A. Williams2, E. H. Stitt3, M. Nijemeisland3, S. El-Bachir4, A. J. Sederman4, L. F. Gladden4

    CMES-Computer Modeling in Engineering & Sciences, Vol.23, No.2, pp. 117-126, 2008, DOI:10.3970/cmes.2008.023.117

    Abstract Existing theories and computer models for packed columns are either incapable of handling complex pellet shapes or based on over-simplified packing geometry. A digital packing algorithm, namely DigiPac, has recently been developed to fill the gap. It is capable of packing of particles of any shapes and sizes in a container of arbitrary geometry, and is a first step towards a practical computational tool for reliable predictions of packed column properties based on the actual pellet shapes. DigiPac can operate in two modes: a Monte Carlo mode in which particles undergo directional diffusive motions; and a Discrete Element mode where… More >

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