Question: Water discharging into an 8-m-wide rectangular horizontal channel from a sluice gate is observed to have undergone a hydraulic jump. The flow depth and velocity

Water discharging into an 8-m-wide rectangular horizontal channel from a sluice gate is observed to have undergone a hydraulic jump. The flow depth and velocity before the jump are 1.2 m and 9 m/s, respectively. Determine 

(a) The flow depth and the Froude number after the jump, 

(b) The head loss and the dissipation ratio,

(c) The mechanical energy dissipated by the hydraulic jump.


FIGURE P13–82V = 9 m/s (1) Y = 1.2 m (2) 2 V.

V = 9 m/s (1) Y = 1.2 m (2) 2 V.

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