Question: A vertical sluice gate (for which Cc = 0.61) is installed in a long, 2.0 m wide rectangular channel. A short, smooth hump 0.80

A vertical sluice gate (for which Cc = 0.61) is installed in

A vertical sluice gate (for which Cc = 0.61) is installed in a long, 2.0 m wide rectangular channel. A short, smooth hump 0.80 m high is installed a short distance downstream from the sluice gate. The discharge in the channel is 5.0 m3/s. (a) For small gate openings the gate is the position of control. If the gate is opened gradually. the position of control will change to the hump. Explain what this means, and why the change happens. Calculate the gate opening at which the change occurs. (8 marks) (b) Calculate the flow depth immediately upstream of the gate when the opening is 1.0 m.

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a When the gate is in the position of control it means that the flow through the channel is primarily controlled by the opening of the sluice gate In ... View full answer

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