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 1CAADA
Create a program or a spreadsheet for analyzing Class I pipeline systems, including energy losses due to friction and minor losses due to valves and fittings.
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Use g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.1. A schedule-40 pipe necks down from 24 in at point A to 12 in at point B. 8 *3/sec of 60°Fwater flow from point A to point B. The pressure head at point A is 20 *. FricLon is insignificantover the distance between points A and B. What are the magnitude and direcLon of theresultant force on the water? (A) 2900 lbf; toward A(B) 3500 lbf; toward A(C) 2900 lbf; toward B(D) 3500 lbf; toward B
A pumping system is required that will deliver at least 50,000 GPM against a head of 100 ft is needed for
a water ride. The system schematic is given below. Note that the loss coefficient for the pumps
accounts for the losses in piping connecting multiple pumps. Use Gould pumps to satisfy this
requirement. Submit your loss curve superimposed on the pump curves for the selected pumps in your
Excel file. Determine the following.
a. The pumps (all the same) to satisfy this requirement.
b. The operating point of these pumps.
C. NPSHR
d. NPSHA
K, = 0.28
L, = 50 ft
L = 300 ft
E = 0.005 ft
D = 3.5 ft
Q=50,000 GPM
u= 2.359x105 slug/ft-s
p= 1.938 slug/ft
= 1.0
Kext
100 ft
K, = 0.6
K, = 0.4
7 ft
Pump System
K, = 0.28
%3D
Kant = 0.5
The ratio of entry diameter with exit diameter is 0.4 in a control volume of pipe segment.
What is the corresponding ratio of entry to exit velocity?
Recall Q1=Q2 and v1A1=v2A2
Correct answer has a margin of 0.1 from exact answer.
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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- Please give a detailed explanation, Don't use chatgpt.arrow_forwardFROM THE ATTACHED SKETCH, THE GIVEN DATA ARE AS FOLLOWS: Pressure loss due to friction a. Reservoir tank =50,000 liters of water b. Total Static head is 30 ft. Pressure loss in plastic pipes (feet of water per 100 ft of tube) c. Pipe material is plastic and 1.5-inch diameter. d. There are four 90-degree elbows, one gate valve and one open swing spm 0.5 in. 0.75 in. 1 in. 1.5 in. 2 in. 3 in. 1.4 4.8 0.0 0.0 0.0 0.4 0.1 0.4 0.8 1.3 1.9 2.7 0,0 0.0 valve. 0.0 1.2 2.5 4.2 6.3 8.8 15.2 26.0 49.7 86.9 e. Total pipe length is 50 ft. 3 0.0 10.0 17.1 25.8 36.3 63.7 97.5 0.0 0.1 0.2 0.2 0.3 4. 0.0 0.0 5 0.0 0.0 0.0 0,0 0.0 6 0.1 0.2 0.3 0.5 0.9 0.1 COMPUTE THE FOLLOWING USING THE PROVIDED TABLE BELOW. 8 4.6 0.6 10 15 20 6.9 14.6 0.8 1.7 2.9 0.0 25.1 1. IF THE TANK IS TO BE FILLED WITHIN 661.35 MINUTES WHEN EMPTY, COMPUTE HOW MANY GALOONS PER MINUTE (GPM) PUMP CAPACITY IS NEEDED TO FILL UP THIS TANK., USE 3.78 LITERS/GAL Pressure loss in valves and elbows (expressed in equivalent length of tube)…arrow_forward1. Specify the sizes of pipes (cast iron, schedule 40 ) and the size of the motor to be used for a pump to lift water at 50- from reservoir A to reservoir B. Consider the following data: Total static head Fittings and valves: Suction line Discharge line Length of straight pipe: Suction pipe Discharge pipe Absolute viscosity of water Absolute roughness of cast iron Water velocity . 50 m 1 foot valve, 1 standard elbow 1 gate valve 1 check valve (same as close return valve), 1 gate valve, 1 long sweep elbow, 2 standard elbow 300 m 80 m 0.001002 Pa-s . . 0.00026 m m S 1.18 -2.75 Sarrow_forward
- Sometimes pumps do not perform as tested when they are installed in a pipeline. Name and describe four (4) ways in which the pump parameters can be changed in order to meet requirements.arrow_forwardGive the isometric configuration of the typical piping system of a pump installation using standard symbols for required valves and fittings. Draw according to valid practice and label the parts.arrow_forwardAssemble and describe the operation of a simple piping system (with only one branch, or at most two branches) for the industrial process of alcohol and sugar. Use the following equipment: Pumps, valves, heat exchangers, pressure gauges, flow meters, elbows and flanges For this system, what would be the most appropriate pressures and flows?arrow_forward
- 1. Specify the sizes of pipes (cast iron, schedule 40 ) and the size of the motor to be used for a pump to lift water at 50 from reservoir A to reservoir B. Consider the following data: Total static head Fittings and valves: Suction line Discharge line Length of straight pipe: Suction pipe Discharge pipe Absolute viscosity of water Absolute roughness of cast iron Water velocity 50 m 1 foot valve, 1 standard elbow 1 gate valve 1 check valve (same as close return valve), 1 gate valve, 1 long sweep elbow, 2 standard elbow 300 m 80 m 0.001002 Pa-s 0.00026 m m 1.18 -2.75 S Pump efficiency 80% Note: Neglect the head loss in the foot valve and at the pipe exit in the discharge reservoir and do not equal sizes for the suction and discharge pipes. Draw the piping system.arrow_forwardAttempt only if you are 100% sure, The wrong answer will be reported. [1]How long would it take a 20-gpm pump to extend a 4-in-diamter cylinder through a 20-in strokearrow_forwardQ No. 5: The diameter of side of a pump is 6 inches and that of the intake pipe is 8 inches. The pressure gauge at discharge reads 30 psi and vacuumed gauge at intake reads 10 inches of Hg. If Q=3cfs of water and the brake horsepower is 35. Find the efficiency of the pump. There are no losses. Note : Please Solve as Per Question's Statement. Need a Neat and Clear Solution.See Attached Picture For Detail .arrow_forward
- Use g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.. A cylindrical tank 5 ft high has a constant diameter of 4 ft is full of water. The tank has a hole2. A cylindrical tank 5 * high has a constant diameter of 4' is full of water. The tank has a holein its bo]om that measures 0.1ft^2. All losses are insignificant. How long will it take for the tankto empty? Note that you can NOT assume a staLc head and constant flow rate because thewater head in the tank decreases as the water flows out of the tank (A) 35 sec(B) 70 sec(C) 105 sec(D) 140 secarrow_forwardc. A lorry is carrying 4000 liters of water. It is driven from Kota Kinabalu to Mesilau and it was discovered that the tank was only half full on arrival. The driver started with a full tank, climbed at a steady rate, and accomplished the 1000 meters elevation change in 3 hours. If the water leaked at a steady rate, compute how much work was spent to carry water to the top? Do not count the work done by the driver and the lorry to get there. Water weighs 9.8 N/liter.arrow_forwardA 400 gpm piping system is composed of the following pipes and fittings. Using the chart; Determine the Following: a. Equivalent length at suction in ft b. Equivalent length at discharge in ft c. Total friction loss in the installation, in ft. Suction side (4.5” Փ) Length of straight pipe 210 ft Long sweep elbow 5 pcs Standard Tee 2 pcs Globe valve 1 pc Checked valve 1 pc Gate valve (fully open) 1 pc Discharge side (4.0” Փ) Straight pipe 200 ft Standard elbow 4 pcs Standard Tee 3 pcs Gate valve (fully open) 1 pcarrow_forward
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