Interacting divided channel method for compound channel flow

Freek Huthoff; Pieter C. Roos; Dionysius C.M. Augustijn; Suzanne J.M.H. Hulscher

doi:10.1061/(ASCE)0733-9429(2008)134:8(1158)

Interacting divided channel method for compound channel flow

Freek Huthoff, Pieter C. Roos, Dionysius C.M. Augustijn, Suzanne J.M.H. Hulscher

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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 language	English
Pages (from-to)	1158-1165
Journal	Journal of hydraulic engineering (Reston)
Volume	134
Issue number	8
DOIs	https://doi.org/10.1061/(ASCE)0733-9429(2008)134:8(1158)
Publication status	Published - 2008

Keywords

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

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10.1061/(ASCE)0733-9429(2008)134:8(1158)

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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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AU - Roos, Pieter C.

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AU - Hulscher, Suzanne J.M.H.

PY - 2008

Y1 - 2008

N2 - 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.

AB - 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.

KW - METIS-235621

KW - Flood plains

KW - Lateral stress

KW - Flow resistance

KW - Hydraulic models

KW - IR-60083

U2 - 10.1061/(ASCE)0733-9429(2008)134:8(1158)

DO - 10.1061/(ASCE)0733-9429(2008)134:8(1158)

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EP - 1165

JO - Journal of hydraulic engineering (Reston)

JF - Journal of hydraulic engineering (Reston)

IS - 8

ER -

Interacting divided channel method for compound channel flow

Abstract

Keywords

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