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Design a vertical drop structure which is used to lower a rectangular channel by 1.8m ....

Design a vertical drop structure which is used to lower a rectangular channel by 1.8m . The flow rate in this channel is 2m^3 / s and the channel width is 1.6m . The flow is subcritical before and after the drop structure . The tail water depth is 0.9m .

Question by hydraulic structures material subject of drop structures

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