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Wastewater (s.g. 1.04) flows through a rectangular 15 ft widechannel at velocity

ID: 1821012 • Letter: W

Question

Wastewater (s.g. 1.04) flows through a rectangular 15 ft widechannel at velocity of 5ft/s and depth of 10 ft. a) compute the width of a long throated flume required toestablish hydraulic control (i.e. choke). b) assuming a gage reading in the approach well(haa) of 13 ft, select a Parshall flume capable ofmeasuring a flow of 700 ft/s without submerging the flow. Wastewater (s.g. 1.04) flows through a rectangular 15 ft widechannel at velocity of 5ft/s and depth of 10 ft. a) compute the width of a long throated flume required toestablish hydraulic control (i.e. choke). b) assuming a gage reading in the approach well(haa) of 13 ft, select a Parshall flume capable ofmeasuring a flow of 700 ft/s without submerging the flow.

Explanation / Answer

a) 3 ft long flume b) 1:3.5 slope of flume