Sluice gate on 0% slope to 1% slope downstream
The following profile shows a sluice gates that discharges into a rectangular concrete channel (n=0.013) that is 5m wide. Will a hydraulic jump occur downstream from the gates over the sloping part of the channel if the gate is opened to an elevation of 101.250 and the flow velocity at the gate is 6.692 m/s? Assuming that a hydraulic jump does occur above, and that the downstream water level has an elevation of 102.5m, how much energy is lost in the hydraulic jump?
Slope under gate until slope change = 0.000%
Slope after slope change = 1.000% (downhill)
Elevation of channel bottom before gate until 1% slope = 100.000m
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