A drag correlation for a nonporous sphere steadily approaching an impermeable plane at finite Reynolds numbers

Sangjin Ryu, Paul Matsudaira

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

A particle experiences resistance while moving in a viscous fluid and this drag force increases in the vicinity of no-slip surfaces due to the wall effect. For a nonporous solid spherical particle steadily approaching an impermeable plane, Brenner analytically obtained the wall effect correction factor for the small Reynolds number (Brenner, 1961). For finite Reynolds numbers Wu and Lee calculated the correction factor from their numerical simulation (Wu, 1998). Unifying the results of these previous studies, we propose a compact form of the wall effect correction factor that is valid for Reynolds numbers less than 40.

Original languageEnglish (US)
Pages (from-to)4913-4915
Number of pages3
JournalChemical Engineering Science
Volume65
Issue number16
DOIs
StatePublished - Aug 2010

Keywords

  • Fluid mechanics
  • Hydrodynamics
  • Laminar flow
  • Sedimentation
  • Wall effect

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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