Example 1: Given the water demand in an area is 710 gal/min, the local allowable maximum flow velocity is specified to be 8.0 ft/s. What is the minimum diameter size of the circular pipeline to be designed? Which NPS should be selected if the pipe thickness must be at least 0.5 in.?
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- a pipeline of 600mm diameter is 1,5km long. to increase the discharge another line of the same diameter is introduced parrallel to the fisrt in the second half of the length . if f = 0,01 and head at the inlet is 300mm, calculate the increase in discharge. neglect minor lossesProof that the Reynold’s number for pipe flow is four times that of open channel flow.A hydraulic network was initially designed and constructed to deliver water supply services to community A, B, and C The design guidelines were: maximum headloss gradient is 2m per kilometer, mean speed is between 0.6 to 2.5 m/s, and minimum pressure head is 5m. Using the design size of pipe A-B, after 30 years, the roughness coefficient of all constructed pipelines decreased by 25 grades, reduction in diameter of all pipes by 300mm, and a new community (Community D) is connected to Community C using the original pipeline form S. Determine the size of additional parallel pipeline (along with A-B) in mm to accommodate additional water load and original design pressure head at B is maintained.
- This question needs to be solved correctly otherwise rating will be given negative. 25-cm in diameter pipeline with a relative roughness of 0.01 and with a very high Raynolds number, has a total length of 50 m. When water is pumped through it at a rate of 10 m/min, what is the major head loss (m).For a V-shaped concrete lined channel with total included angle of 80°, and a depth of 3 m if the discharge is 10.7 m^3/s. Determine the slope if Darcy-Weisbach constant is 0.011 (Your final answer shall be in fraction i.e. 1/5000) TOPIC: FLOW IN OPEN CHANNELS (Reynolds, Froude, Chezy, Mannings) Please answer and show your detailed and complete solution. Thank you. ASAPWith a friction factor = 0.018, what diameter for a pipeline to carry 1100 m3 /hr with a head of 2.7m per kilometer.
- A concrete pipe laid on a slope of 1:1 500 is to carry a uniform flow of 5 m3/swhen half full. What pipe diameter is required? Use C = 49 SI units.What is the ratio of flow rates (Q1/Q2) for an open channel, when only the material of it is changed from riprap (n = 0.033) to concrete (n =0.012) and the other features are the same?Determine the discharge in MLD of a 2800 mm gravity flow concrete aqueduct with a hydraulic gradient of 0.0015. Assume pipe is flowing full with a coefficient of roughness = 0.015. Answer in whole number only.
- A rectangular channel section increases in width from 40 ft to 50 ft in a length of 100 ft. The channel slope is 0.1%. If the discharge and the velocity of flow at section 1 are 2950 cfs and 12.8 ft/sec, respectively, determine the depths of flow at sections 1 and 2 and the velocity at section 2. Use the energy principle. Disregard the losses.please show step by step.The middle 200m of a 600m long HDPE pipe (e=0.00015) with a diameter of 0.75m was damagedin a recent earthquake. Due to supply shortages, the middle 200m of pipe was replaced with a HDPEpipe 0.5m in diameter. If the entire pipe is required to carry 2m 3 /s of water (20°C), determine the totalhead loss across the entire 600m long pipeline. Ignore minor losses.Q1: (a) Define and explain uniform flow. How is open channel flow different from pipe flow? (b) Under what conditions the bed slope, water surface slope and the energy line slope are equal?