A Lattice-Boltzmann simulation study of the drag coefficient of clusters of spheres

R. Beetstra, Martin Anton van der Hoef, J.A.M. Kuipers

Research output: Contribution to journalArticleAcademicpeer-review

46 Citations (Scopus)

Abstract

Drag coefficients of irregularly shaped particles, constructed from spheres, were measured in lattice-Boltzmann simulations and compared to literature data. The agreement is very well. The distance between the spheres was increased to study the influence of inter-particle distance on the drag force in clusters. The drag coefficient of the clusters was found to increase with inter-particle distance. The drag force on an individual particle in a cluster is lower when that particle is shielded from the flow by other particles.
Original languageEnglish
Pages (from-to)966-970
Number of pages4
JournalComputers and fluids
Volume35
Issue number8-9
DOIs
Publication statusPublished - 2006

Keywords

  • METIS-236169
  • IR-54575

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