Interacting divided channel method for compound channel flow


Huthoff, Fredrik and Roos, Pieter C. and Augustijn, Denie C.M. and Hulscher, Suzanne J.M.H. (2008) Interacting divided channel method for compound channel flow. Journal of hydraulic engineering, 134 (8). pp. 1158-1165. ISSN 0733-9429

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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.
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Copyright:© 2008 ASCE
Engineering Technology (CTW)
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