The voidage function for fluid-particle interaction systems

R. Di Felice

Research output: Contribution to journalArticlepeer-review

726 Citations (Scopus)

Abstract

The drag force on a particle in a fluid-multiparticle interaction system may be expressed as the product of the drag force on an unhindered particle, subject to the same volumetric flux of fluid, and a voidage function. It is demonstrated that for a wide varicty of both fixed-bed and.suspended-particle systems, file voidage function may be expressed as ε{lunate}, where the exponent β is dependent on the particle Reynolds number but independent of other system variables.

Original languageEnglish
Pages (from-to)153-159
Number of pages7
JournalInternational Journal of Multiphase Flow
Volume20
Issue number1
DOIs
Publication statusPublished - Feb 1994

Keywords

  • fixed beds
  • fluid-particle interaction
  • fluidization
  • sedimentation
  • voidage function

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physics and Astronomy(all)
  • Fluid Flow and Transfer Processes

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