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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1085

Title: Interaction of Flow in Meandering and Straight Channel with Floodplains
Authors: Khatua, K K
Patra, K C
Keywords: Meandering River,
Flow Interaction,
Vertical Interface,
Apparent Shear,
Main Channel,
Flood Plain,
Over Bank Flow
Issue Date: 2008
Citation: Proceedings of International Conference Hydro-Vision, July 14-18, 2008, California,USA.
Abstract: Reliable estimates of discharge capacity are essential for the design, operation, and maintenance of open channels, more importantly for the prediction of flood, water level management, and flood protection measures. During floods, the river water overtops its banks and spreads to the adjoining floodplains. For such compound channels, the flow structure becomes complex due to the transfer of momentum between the deep main channel and the adjoining floodplains. Discharge in meandering compound channels is strongly dependant on the interaction between flow in the main channel and that in the floodplain. Laboratory test results are presented concerning the boundary shear stress, shear force, and discharge characteristics of compound meandering river sections composed of a rectangular main channel and floodplains disposed off to its sides. Dimensionless parameters are used to form equations representing the total shear force percentage carried by floodplains. A curved interface is proposed...
URI: http://hdl.handle.net/2080/1085
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