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Hydraulic model studies on Siphon spillway with stepped outlet


The main advantage of siphon spillways is its rapid evacuation capability compared with other spillways. This paper describes the physical model of a siphon spillway outlet. The model used in this study was tested on 11 discharges, and the reservoir water levels and velocities were recorded in two outlet conditions. Two types of pressurized siphon spillway, one with free stepped outlet and another with submerged outlet, were compared in this study.

Key words

Siphon spillway, Physical model, Discharge coefficient, Velocity, and Reservoir Water Level

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