Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 11, Problem 11.17PP
Determine the required size of new Schedule
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Solve the Problem:
Calculate the total loss of the following system.
Physical pipe length. 350 ft
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ge valve
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odged
exit
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5" Plastic pipe
Q = 500 GPM
Building wall
find the diameter through circular duct if the flow rate (0.98 m3/s) and
velocity(5m/s)
Fulleen Snip
280 mm
490 mm
560 mm
750 mm
820 mm
3. The flow rate of the system is 1 cubic meter per second. Determine the major and
minor losses of the system. How much pressure head is required for the pump to
achieve a flow rate of 9 cubic feet per second? What is the power for the pump?
1000ft long
Elev.
300
Open gbe a ted
ge bend
K0.0
Elev.
200
1,000t long
O- Elev. 180
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Chapter 11 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 11 - Water at 10C flows from a large reservoir at the...Ch. 11 - For the system shown in Fig. 11.14, kerosene (...Ch. 11 - Figure 11.15 shows a portion of a hydraulic...Ch. 11 - Figure 11.16 shows part of a large hydraulic...Ch. 11 - Oil is flowing at the rate of 0.015m3/s in the...Ch. 11 - For the system shown in Fig. 11.18, calculate the...Ch. 11 - A liquid refrigerant flows through the system,...Ch. 11 - Water at 100F is flowing in a 4-in Schedule 80...Ch. 11 - A hydraulic oil is flowing in a drawn steel...Ch. 11 - In a processing plant, ethylene glycol at 77F is...
Ch. 11 - Water at 15C is flowing downward in a vertical...Ch. 11 - Turpentine at 77F is flowing from A to B in a 3...Ch. 11 - ]11.13 A device designed to allow cleaning of...Ch. 11 - Kerosene at 25C is flowing in the system shown in...Ch. 11 - Water at 40C is flowing from A to B through the...Ch. 11 - Oil with a specific gravity of 0.93 and a dynamic...Ch. 11 - Determine the required size of new Schedule 80...Ch. 11 - What size of standard hydraulic copper tube from...Ch. 11 - Water at 60F is to flow by gravity between two...Ch. 11 - The tank shown in Fig. 11.24 is to be drained to a...Ch. 11 - Figure 11.25 depicts gasoline flowing from a...Ch. 11 - For the system in Fig. 11.26, compute the pressure...Ch. 11 - For the system in Fig. 11.26, compute the total...Ch. 11 - For the system in Fig. 11.26 specify the size of...Ch. 11 - A manufacturer of spray nozzles specifies that the...Ch. 11 - Specify the size of new Schedule 40 steel pipe...Ch. 11 - Refer to Fig. 11.27. Water at 80C is being pumped...Ch. 11 - For the system shown in Fig. 11.27 and analyzed in...Ch. 11 - In a water pollution control project, the polluted...Ch. 11 - Repeat Problem 11.29, but use a 3-in Schedule 40...Ch. 11 - Water at 10C is being delivered to a tank on the...Ch. 11 - If the pressure at point A in Fig. 11.29 is 300...Ch. 11 - Change the design of the system in Fig. 11.29 to...Ch. 11 - It is desired to deliver 250 gal/min of ethyl...Ch. 11 - For the system shown in Fig. 11.30, compute the...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Figure 11.31 depicts a DN 100 Schedule 40 steel...Ch. 11 - Repeat Problem 11.38 but replace the globe valve...Ch. 11 - Repeat Problem 11.38 but use a DN 125 Schedule 40...Ch. 11 - Repeat Problem 11.38, but replace the globe valve...Ch. 11 - It is desired to drive a small,...Ch. 11 - Figure 11.32 shows a pipe delivering water to the...Ch. 11 - Repeat Problem 11.43, except consider that there...Ch. 11 - A sump pump in a commercial building sits in a...Ch. 11 - For the system designed in Problem 11.45, compute...Ch. 11 - Figure 11.33 shows a part of a chemical processing...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - Analyze the system shown in Fig. 11.11 with...Ch. 11 - Create a program or a spreadsheet for analyzing...Ch. 11 - Create a program or a spreadsheet for determining...
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- water is being delivered at a rate of 2000 gpm for a reservoir to a subdivison below resvoir height=220ft length of pipe= 1500ft final aubdivisiion= 24ft, 20psi 1)determine the normal pipe size 2) if the pipe size is not avalible what size combination will work 3) if we used a 8 inch pipe determine the min thickness 4)determine the max pressure that can deelope in the 8in systemarrow_forward10. Three pipes of lengths 800 m, 600 m and 300 m and of diameters 400 mm, 300 mm and 200 mm respec- tively are connected in series. The ends of the compound pipe is connected to two tanks, whose water surface levels are maintained at a difference of 15 m. Determine the rate of flow of water through the pipes if f = .005. What will be diameter of a single pipe of length 1700 m and f = .005, which replaces the three pipes ?arrow_forward1arrow_forward
- Q2 Q1 u (poise) Sp. Gr. D (mm) L (m) Q3 Q (Lit/s) H E (mm) 0.02 0.8 50 500 0.19 18 2arrow_forwardQ.3) Determine the energy loss that will occur as 100 Liters / min of water flows from a small copper tube to a larger tube through a gradual enlargement having an included angle of 30 degrees. The small tube has a 25 mm OD x 1.5 wall thickness; the large tube has an 80 mm OD x 2.8 mm wall thickness.arrow_forwardA two branch duct system of circular duct is shown below. The fittings have the following equivalent lengthof straight duct upstream to branch 4m elbow 2m. There is negligible pressure loss in the straight throughsection of the branch. The designer slects 4pa/m as the pressure gradient in all sections. What diameter in m should be selected in the 7-m branch? A. 0.44 B. 0.64 C. 0.34 D. 0.54arrow_forward
- Determine the corrected flow in pipe BE of the pipe network shown. Use f=0.012 for all pipes and initially assume equal flow in pipes AB and AE. 0.6 m/s A 300m B 300m c 0.4 m/s 300mm 424m 300mm 250mm 300m 250mm E 300m D 300m 250mm 0.2 m/s 250mm Select one: O a. 14.16 liters per second O b. 152.25 liters per second O c. 92.75 liters per second O d. 67.85 liters per secondarrow_forwardWhat water level H must be maintained in the tank as shown in Fig. P. 3.5.20 to deliver a flow rate of 5 x 104 m³/sec through the pipe ? Take friction factor, f = 0.0295. Water SOMY .-.-.-.-.-. 80578 I THE & KET D = 25mm, L = 25m Fig. P. 3.5.20arrow_forwardQuestion 8 Two reservoirs are connected by a pipe whose total length is 360m.From the upper reservoir the pipe is 300mm in diameterfor a length of 150m and the remaining 210m is 450mm in diameter.The difference in water levels between the two reservoirs are 8m.Take f=0.006 for the smaller pipe and f=0.005 for the larger pipe.If all the changes in pipe sections are sharp and sudden, calculate the flow rate which can be delivered.arrow_forward
- Calculate the diameter of pipe if, flow rate is 20 I/min and flow velocity is 5 cm/s. Select one: O a. 9.2 cm O b. 92 cm O c.0.92 cm O d. 0.092 cmarrow_forwardSelect the proper-sized steel tube for a flowrate of 25 gpm and an operating pressure of 1,000 psi. The maximum recommended velocity is 20 ft/s and the factor of safety 8. The tube is made out of SAE 1010 with a tensile strength of 55,000 psi. TUBE ID WALL THICKNESS (in) WALL THICKNESS (in) (in) 0.055 TUBE TUBE ID (in) 0.430 0.402 0.370 OD (in) 7/8 0.310 TUBE WALL OD THICKNESS (in) (in) 1/8 0.035 3/16 1/4 5/16 3/8 0.035 0.035 0.049 0.065 0.035 0.049 0.065 0.035 0.049 0.065 0.118 0.180 0.152 0.120 0.243 0.215 0.183 0.305 0.277 0.245 TUBE OD (in) 1/2 5/8 3/4 0.035 0.049 0.065 0.095 0.035 0.049 0.065 0.095 0.049 0.065 0.109 0.555 0.527 0.495 0.435 1 1-1/4 0.652 0.620 0.532 1-1/2 0.049 0.065 0.109 0.049 0.065 0.120 0.065 0.095 0.120 0.065 0.095 TUBE ID (in) 0.777 0.745 0.657 0.902 0.870 0.760 1.120 1.060 1.010 1.370 1.310arrow_forwardSaturated water at 310K is being pumped from a tank to an elevated tank at the rate of 7L/s. All of the piping is in 5-in. schedule 40 steel pipe. If the 2 fittings used is 90° ell standard long radius, The pump has an efficiency of 80%. Calculate the kW power needed for the pump. * 125 m 12 m -5 1 50 m 5-in. pipe schedule pump Your answerarrow_forward
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