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Lattice-Boltzmann simulations of particles in non-zero-Reynolds-number flows

Published online by Cambridge University Press:  25 April 1999

DEWEI QI
DEWEI QI
Affiliation:
Department of Paper and Printing Science and Engineering, Western Michigan University, Kalamazoo, MI 49008, USA
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Abstract

A lattice-Boltzmann method has been developed to simulate suspensions of both spherical and non-spherical particles in finite-Reynolds-number flows. The results for sedimentation of a single elliptical particle are shown to be in excellent agreement with the results of Huang, Hu & Joseph (1998) who used a finite-element method. Sedimentation of two-dimensional circular and rectangular particles in a two-dimensional channel and three-dimensional spherical particles in a tube with square cross-section is simulated. Computational results are consistent with experimentally observed phenomena, such as drafting, kissing and tumbling.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 385 , 25 April 1999 , pp. 41 - 62
Copyright
© 1999 Cambridge University Press

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