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Discussion of "Hydraulics of broad-crested weirs with varying side slopes" by J. E. Sargison and A. Percy

By Hubert Chanson


The hydraulics of broad-crested weirs is influenced by the weir inflow design. It is highlighted herein that the inflow geometry including the rounding of the weir upstream edge has a marked effect on the flow pattern and discharge coefficient. In the case of an upstream vertical wall, the optimum design includes a rounded upstream corner (Harrison 1967, Bos 1976, Montes 1998). An upstream side slope may provide an alternative design for embankment structure although with a lower discharge coefficient (Sargison and Percy 2009)

Topics: Broad-crested weir, Discharge coefficient, Inflow conditions, CX, 09 Engineering, 0905 Civil Engineering, 090509 Water Resources Engineering
Publisher: American Society of Civil Engineers, Irrigation and Drainage Division
Year: 2010
OAI identifier: oai:espace.library.uq.edu.au:UQ:208112

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