Question: An overflow spillway with a 100-m-long crest will convey a design discharge of 1,150 m3/sec under a permitted maximum head of 3.00 m. The operation

An overflow spillway with a 100-m-long crest will convey a design discharge of 1,150 m3/sec under a permitted maximum head of 3.00 m. The operation of the prototype spillway is studied on a 1:50 scale model in a hydraulic laboratory. The time ratio on the model is LR1/2. The model velocity measured at the end (toe) of the spillway is 3.00 m/sec. Determine the flow rate in the model and the Froude numbers [NF = VI(gd)1/2, where d is the flow depth] at the toe of the spillway in the model and the prototype.

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