Engineering, 11.09.2019 01:20 kobiemajak

The outlet structure on a pond is used to regulate the flow out of a pond for different storm events. an outlet structure must be designed to discharge 2.20 m^3/min when the water surface elevation in the pond reaches 1.52 m, and 6.29 m^3/min when the water surface elevation reaches 2.60 m. the outlet structure will be a circular oriface and a sharp crested rectangular weir combination, with the centroid of the oriface at an elevation of 0.90 m and the weir crest at an elevation of 2.50 m. both will discharge to free outfall conditions. assume an oriface coefficient of 0.6. find the oriface diameter needed to supply the correct discharge when the water surface reaches the first specified elevation. what will the discharge from the oriface be when the water surface reaches the second specified elevation? find the width of the weir needed to supply the extra discharge necessary to meet the requirement. use mannings formula when necessary.

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The outlet structure on a pond is used to regulate the flow out of a pond for different storm events...