On two-phase sediment transport: Dilute flow

Tian Jian Hsu, James T. Jenkins, Philip L.F. Liu

Research output: Contribution to journalArticlepeer-review

107 Citations (Scopus)

Abstract

In this paper we present a model describing dilute sediment transport that involves two-phase mass and momentum equations and k - ε equations for the energy of turbulent flow. We apply the model to a steady, uniform, open channel flow and calculate sediment concentration and velocity profiles in two ways. In a semianalytical approach we adopt boundary layer approximations and obtain concentration profiles that improve upon the single-phase Rouse formula [Rouse, 1937]. The improvement is due to the incorporation of dissipation of the flow turbulent energy due to the presence of sediment. In a numerical approach we integrate the time-dependent equations of the model to obtain steady state solutions. The numerical solutions are tested against experimental data and used to check the validity of the boundary layer approximations in the semianalytical approach.

Original languageEnglish
Pages (from-to)2-1 - 2-14
JournalJournal of Geophysical Research: Oceans
Volume108
Issue number3
DOIs
Publication statusPublished - 2003 Mar 15

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Atmospheric Science
  • Astronomy and Astrophysics
  • Oceanography

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