Computational fluid dynamic modelling of flow patterns in an oscillatory baffled column

X. Ni, H. Jian, A. W. Fitch

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Numerical simulations to date within the context of oscillatory flow in a baffled column have been limited to flows in a symmetrical regime, i.e. eddies are generated symmetrical to the central line of the column where the oscillatory Reynolds numbers are below 400. In this paper, 3-D computational fluid dynamic (CFD) simulation of flow patterns of oscillatory flow in a baffled column has, for the first time, been carried out and the results extended to all regimes of oscillatory Reynolds numbers covering from symmetric to asymmetric flows. The flow patterns simulated have also been validated by both direct flow visualisation and by digital particle image velocimetry measurements. The success of such CFD simulations opens doors for many potential studies, from optimisation of geometry for plug flow to suspension of particles, and from droplet breakage and coalescence to mass/heat transfer of particles. © 2002 Elsevier Science Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)2849-2862
Number of pages14
JournalChemical Engineering Science
Volume57
Issue number14
DOIs
Publication statusPublished - 29 Jul 2002

Keywords

  • Digital particle image velocimetry
  • Large eddy simulation
  • Oscillatory baffled column
  • Spatial periodicity
  • Temporal periodicity

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