Large eddy simulation of dense two-phase flows: Comment on DEM-LES study of 3-D bubbling fluidized bed with immersed tubes

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Abstract

In a recent paper, Gui et al. (2008. DEM-LES study of 3-D bubbling fluidized bed with immersed tubes. Chemical Engineering Science 63, 3654-3663) reported the results of numerical simulations of a bubbling fluidized bed containing internal tubes using discrete element model (DEM) coupled to a large eddy simulation (LES). We comment on the correctness of the numerical set-up regarding the use of LES as well as the worthiness of using a turbulence model for the case of dense two-phase flows.

Original languageBritish English
Pages (from-to)1902-1903
Number of pages2
JournalChemical Engineering Science
Volume65
Issue number5
DOIs
StatePublished - 2010

Keywords

  • Discrete element model
  • Fluidization
  • Large eddy simulation
  • Multiphase flow
  • Particle
  • Turbulence

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