Lateral Weir Flow Model

by Amruthur S. Ramamurthy, (M.ASCE), Prof.; Civ. Engrg. Dept., Concordia Univ., Montreal, Quebec, Canada,
Luis Carballada, (A.M.ASCE), Engr.; Dam Div., Hydro Quebec, Montreal, Quebec, Canada,

Serial Information: Journal of the Irrigation and Drainage Division, 1980, Vol. 106, Issue 1, Pg. 9-25

Document Type: Journal Paper

Abstract: The theory of flow through a lateral conduit outlet has been adopted to derive an expression for the discharge coefficient of the flow through a lateral weir set in a rectangular channel. The theoretical expressions hold good for subcritical flow in the channel upstream of the weir. The experimental data obtained in a test flume provide a verification of the theoretical relationships between the geometric and fluid dynamic parameters of the weir flow. The proposed relationships are valid for flow through lateral weirs that can be as wide as the parent channel.

Subject Headings: Channel flow | Weirs | Fluid flow | Conduits | Water discharge | Freight transportation | Subcritical flow |

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