Question: In a wide rectangular channel (R=y) the unit discharge q=10m/s/m. A sluice gate is located at section A where the slope of the channel

In a wide rectangular channel (R=y) the unit discharge q=10m/s/m. A sluice

In a wide rectangular channel (R=y) the unit discharge q=10m/s/m. A sluice gate is located at section A where the slope of the channel changes as shown in the figure. Water depth just downstream of the gate at point 3 is y3=1.15m. Away from the upstream and downstream of the gate, flow is uniform. Compute the flow depths before and after the gate, and sketch the water surface profile. Neglect elevation differences. Sa 0.0004 n 0.02 y-1.15m S-0.0016 n-0.02

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