Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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1.Why does the v-notch give more accurate flow measurement than any other weir and orifice when the flow is fluctuating.
2.What is the average value of Cd for a 90 degree V-notch?Does it depend on flow condition( partially or fully contracted)
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- Discuss the factors influencing the optimal pipe diameter selection in pressurized flow design?arrow_forwardExplain why we have to check both the inlet and outlet conditions when analyzing a culvert configuration for a given flow rate. How do we know which one controls?arrow_forwardA circular settling basin is anticipated to receive a flow of 3.5 MGD. The tank is to be designed to have an overflow rate of 800 gpd/ft2. The depth is to be 11 ft. Determine the diameter of the basin (in feet). ? What length of weir (ft) is required to achieve a weir loading of 15,000 gpd/ft show all workarrow_forward
- You are responsible for calculating the peak discharge for a culvert design in a smallwatershed in Washington, DC. The watershed area is 4 acres and currently has 30 % of its area ofindustrial (heavy areas) and 70 % of residential (single –family areas). The design manual suggestsyou design your culvert for a 10 return period. The watershed has a concentration time of2 hours. Calculate:a) What is the design peak flow?b) What is the impact of the runoff coefficient (C) range on your design?c) After you implemented your project, the residential area was entirely converted toindustrial areas. Would that affect you design? If yes, by how much?arrow_forwardFlow over V-notch weir: 0 = 90°, datum height ho = 8.5 mm volume time to Water level h collected (L) collect (s) (mm) Height above the notch H (m) Qa (m³/s) Qt (m³/s) Cd 6 15 Flow over rectangular weir: b = 0.06 m, datum height ho = 27 mm volume collected (L) 5 time to collect (s) 20 Water level h (mm) 41 Height above the notch (m) Qa (m³/s) Qt (m³/s) Cdarrow_forwardWater in a 20-ft-wide rectangular channel, flowing at120 ft3/s and a depth of 10 ft, is to be metered by arectangular weir with side contractions, as in Table 10.2b.Suggest some appropriate design values of b, Y, and H tomatch the table conditions for this weir.arrow_forward
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