Interacting divided channel method for compound channel flow

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Abstract

A new method to calculate flow in compound channels is proposed: the interacting divided channel method (IDCM), based on a new parametrization of the interface stress between adjacent flow compartments, typically between the main channel and floodplain of a two-stage channel. This expression is motivated by scaling arguments and allows for a simple analytical solution of the average flow velocities in different compartments. Good agreement is found between the analytical model results and laboratory data from the literature.
Original languageEnglish
Pages (from-to)1158-1165
JournalJournal of hydraulic engineering
Volume134
Issue number8
DOIs
Publication statusPublished - 2008

Keywords

  • METIS-235621
  • Flood plains
  • Lateral stress
  • Flow resistance
  • Hydraulic models
  • IR-60083

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