Boundary retention effects upon contaminant dispersion in parallel flows

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39 Citations (Scopus)

Abstract

Mass transfer between a flowing region and an adjacent stationary medium can greatly alter the overall contaminant dispersion. Here, an extension is given of Taylor’s (1953) method to encompass this class of complications. The only mathematical assumption made is that the mass flux transfer at the boundary depends linearly upon the concentration at earlier times. Expressions are derived for the longitudinal shear dispersion coefficient. Detailed results are presented for the effects both of reactions and of retention at the bed upon contaminant dispersion in turbulent open-channel flow.

Original languageEnglish
Pages (from-to)393-412
Number of pages20
JournalJournal of Fluid Mechanics
Volume195
DOIs
Publication statusPublished - Oct 1 1988

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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