In Fig. P10.69, free discharge, a gate opening of 0.72 ft will allow a fl ow rate of
Chapter 10, Problem p10.78(choose chapter or problem)
In Fig. P10.69, free discharge, a gate opening of 0.72 ft will allow a fl ow rate of 30,000 gal/min. Recall y1 5 6 ft and the gate width b 5 8 ft. Suppose that the gate is drowned (Fig. P10.77), with y2 5 4 ft. What gate opening would then be required?
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