EBK APPLIED FLUID MECHANICS
7th Edition
ISBN: 9780100668348
Author: UNTENER
Publisher: YUZU
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Chapter 18, Problem 18.27PP
Specify a size of Schedule
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Water is being pumped (at Q) from a reservoir to a nearby storage facility for a local farm. Thewater level in the reservoir varies throughout the year. When it is considered “full” the change inelevation from the top of the water line to the centerline of the pipe at (2) is h. The pipe is madeof welded steel. Assuming there are both major and minor losses, determine the pressure in thepipe at (2).Clearly state the source(s) of minor losses.Use the Haaland and Darcy-Weisbach equations.Flowrate (Q), elevation difference (h), head from pump (hp), pipe length (L), and diameter (D)are given below. State all assumptions.
Q =0.54 m^3/s, h =3.5 m, h_p=47.5 m, L = 23.33 m, D = 0.467m
Determine the friction factor “f “ for a 40 mm ID cast iron pipe handling 400 L/min of water using the Moody Chart
The pump delivers water from the lower to the upper reservoir at the rate of 2.0 ft. The head loss S between the suction pipe inlet and the pump is 6ft and that between the pump outlet and the upper reservoir IS 12ft. Both pipes 6 inches Schedule 40 steel pipe. Calculate
a)The pressure at the pump inlet in Psi,b) The pressure at the pump outlet in Psi,c) The total head on the pump in ft, andd) The power delivered by the pump to the water in Hp
Chapter 18 Solutions
EBK APPLIED FLUID MECHANICS
Ch. 18 - A pipe in a compressed air system is carrying 2650...Ch. 18 - Prob. 18.2PPCh. 18 - Prob. 18.3PPCh. 18 - A duct in a heating system carries 8320 cfm....Ch. 18 - The velocity of flow in a ventilation duct is 1140...Ch. 18 - Prob. 18.6PPCh. 18 - Prob. 18.7PPCh. 18 - Prob. 18.8PPCh. 18 - Prob. 18.9PPCh. 18 - Prob. 18.10PP
Ch. 18 - Prob. 18.11PPCh. 18 - Describe a centrifugal fan with forward-curved...Ch. 18 - Prob. 18.13PPCh. 18 - Prob. 18.14PPCh. 18 - Name four types of positive-displacement...Ch. 18 - Name a type of compressor often used for pneumatic...Ch. 18 - Prob. 18.17PPCh. 18 - Prob. 18.18PPCh. 18 - Prob. 18.19PPCh. 18 - Compute the specific weight of nitrogen at 32...Ch. 18 - Compute the specific weight of air at 1260...Ch. 18 - Prob. 18.22PPCh. 18 - An air compressor delivers 820 cfm of free air....Ch. 18 - Prob. 18.24PPCh. 18 - Prob. 18.25PPCh. 18 - Prob. 18.26PPCh. 18 - Specify a size of Schedule 40 steel pipe suitable...Ch. 18 - For an aeration process, a sewage treatment plant...Ch. 18 - Prob. 18.29PPCh. 18 - Prob. 18.30PPCh. 18 - Prob. 18.31PPCh. 18 - Prob. 18.32PPCh. 18 - Prob. 18.33PPCh. 18 - Prob. 18.34PPCh. 18 - Prob. 18.35PPCh. 18 - Figure 18.14 iD shows a two-compartment vessel....Ch. 18 - Prob. 18.37PPCh. 18 - Prob. 18.38PPCh. 18 - Prob. 18.39PPCh. 18 - A tank of Refrigerant is at 150 kPa gage and 20C....Ch. 18 - Prob. 18.41PP
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- Specifications: The total length of pipe in the three inch branch is 10 ft, and the length of pipe in the one inch branch is 8 ft. Brine (sg=1.04, m=10-3Pa*s) flows at 250gpm through the entrance at point A. Assume fully turbulent flow in both branches (f=ft). Pipes are standard Schedule 40 steel pipes. Assume the globe valve is partially shut so its equivalent L/D is 1000. For Part 1 of this project, you are tasked with determining the following: The flow rate in both branches The pressure drop in both branches The overall resistance coefficientarrow_forwardCalculate the dynamic force of the water on the fork, referring to a horizontal plane. waste load lossarrow_forwardRefer to Figure below. Heavy fuel oil at 60°F flows through the 3′′diameter endofpipe orifice, causing the deflection of the mercury in the U-tube gage. Determine the power in the jet.arrow_forward
- Q.2) Determine the friction factor, “f” if Ethyl Alcohol at 25 C is flowing at 5.3 m/sec in a standard DN 40 Schedule 80 steel pipe.arrow_forwardINclude a free body diagram. A large tank is partly filled with water, the air space above being under pressure. A 2′′ hose connected to the tank discharges on the roof of a building 50 ft above the level in the tank. The friction loss is 18 ft. What air pressure must be maintained in the tank to deliver 0.436 cfs on the roof ? prove that the answer is 32.1 psiarrow_forwardThe total length of pipe in the three inch branch is 20 ft, and the length of pipe in the one inch branch is 6 ft. Brine (sg=1.04, m=10-3 Pa*s) flows at 250gpm through the entrance at point A. Assume fully turbulent flow in both branches (f=ft). Pipes are standard Schedule 40 steel pipes. Assume the globe valve is partially shut so its equivalent L/D is 1000. determine The flow rate in both branches The pressure drop in both branches The overall resistance coefficientarrow_forward
- Answer the following: a.) Friction factorb.) Determine the pressure drop per meter of pipearrow_forwardProblem 3: A turbulent flow in a pipe has a Reynolds number of 200,000. The pipe diameter is 125 mm, andthe surface has the roughness of coarse concrete (use value in table on Moody diagram above for roughnessheight). Find the following:a. The Relative Pipe Roughness (?⁄?): ___________________________________b. Friction factor read from Moody Diagram: ______________________________c. Friction factor calculated with an appropriate formula: ____________________arrow_forwardThe system shown below uses a pump to transfer heavy fuel oil (T= 25°C) from the lower tank to the upper tank at the rate of 3600 L/min. All pipe is DN 100 Schedule 40 steel (total system length of 310 m) and the pressure line has two 90° long radius elbows and two 45º standard elbows. Valves are: fully open gate valve(s); 2 swing-type check valve, fully open butterfly valve. Determine: a. The head loss in meters due to pipe friction. b. The head loss in meters due to minor losses c. The required pump power in kW. d. The pressure at the pump inlet (suction line is 10 m long). Is this pressure a vacuum? e. The pressure at the pump outlet.arrow_forward
- a)Determine the headloss in Pipe 1-5 (in feet).b) Determine the flow in the upper branch pipe Q2 (in cfs).arrow_forward10. How much work is done in forcing 50 ft3 of water through a 0.5-inch pipe if the difference in pressure at the two ends of the pipe is 15 lbs/in2? With sketch of multiple free body diagram, solution, and Given in the problem.arrow_forwardOil with a specific gravity of 0.83 and a dynamic viscosity of 8.5 × 10^−3 Pa ∙ s flows at a rate of 502 L/min into the open tank. The total length for the DN 50 schedule 40 steel pipe is 37 m, while the length for the DN 100 schedule 40 pipe is 100 m. Determine the pressure at point A.arrow_forward
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