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 11.12PP
Turpentine at
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1. An 80 mm schedule 40 steel pipe is 1800 m long and carries a lubricating oil between 2 points A and B such that the Reynolds number is 1200. Point B is 10 m higher than point A. The oil has a specific gravity of 0.85 and dynamic viscosity of 6.51 X 10-1 Pa.s. If the pressure at A is 345 KPa, calculate the pressure @ B.
2. Determine the energy loss for a sudden contraction from a 4 in schedule 80 steel pipe to a 1.5 in schedule 80 pipe for a flow rate of 250 gal/min.
3. Determine the equivalent length in meters of pipe of a quarter open gate valve placed in a DN 250 schedule 40 pipe.
1. in a section of horizontal piper with a diameter of 3cm the pressure is 5.21 kpa and water is flowing with a speed of 1.50m/s. the pipe narrows to 2.50cm. what is the pressure in the narrower region if water behaves like an ideal fluid of sensity 1000kg/m3
2. tensile stress
a. the ratio of elasic modules to strain
b. the applied force per crosssectional area
c. the ratio of change in length to the orig length
d. the strain per unit legth
e. the same as force
Water flows through a reducer in a pipe as shown. The
pressure at A is equal to 345 kPa and the pressure at B is equal to 325 kPa.
What is the flow rate of the water in the pipeline?
Flow
150 mm inside diam.
60 mm inside diam.
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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- Answer should be in psi.arrow_forward= = = = 3. You are designing a piping system for a art instillation. As shown in Figure 3, a pipe splits into two at an angle 030º, the splits both exit to atmosphere. If the pipe contains a fluid with density p = 1000kg/m³, Pin = 150kPa gauge pressure, Vin 25m/s, Ain 0.02m², A₁ 0.003m², A₂ = 0.007m², and finally the artist has requested that the velocity of exit 2 to be V2 = 21m/s. Determine the anchoring force necessary to hold the pipe junction stationary. Fx [16000 20000N] Fy: [18700 - 25000N] :arrow_forwardSAMPLE PROBLEMS #3 A venturi meter with a 10.16 cm throat is installed in a 15.24 cm pipe which is inclined upward at an angle of 45 degrees to the horizontal. If the distance between pressure tape along the pipe is 1.5 m, the differential pressure is 70 kPa, and the water temperature is 70°C, what is the discharge of water in m'/sec? Assume coefficient of 0.985.arrow_forward
- Question 3 A pipe of 150mm bore is delivering water at the rate of 7500 dm/min at a pressure of 820 kN/m?.It connects by a gradually expanding pipe to a main of 300 mm bore which runs 3m above it. Find the pressure in the 300mm main?arrow_forwardPlzz solve all part pleasearrow_forward6. A pump is located 4.5 m to one side of, and 3.5 m above a reservoir. The pump is designed for a flow rate of 6 L s'. For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of the water gage. Determine the smallest standard commercial steel pipe that will give the required performance. pump 4.5 m. 1.8 19=d 3.5 m 7. water 90° elbowarrow_forward
- Water at 60F is flowing through a 3-inch inside diameter smooth horizontal pipe. If the Reynolds number is 353,000. Calculate the ratio of maximum velocity to average velocity. (1.18)arrow_forward8. A shaft 70 mm diameter is pushed at a speed of 450 mm/s through a bearing sleeve 73 mm in diameter and 252 mm long. The clearance , assumed uniform, is filled with at 20OC with v= 0.005 m2/ s ang s.g. = 0.9. find the force exerted by the oil on the shaft. (3 DECIMAL PLACES IN FINAL ANSWER PLS)arrow_forward4. If the pressure difference between points 1 and 2 below is 90 psi, what will be the flow rate? The pipes are galvanized iron with ks = 0.0005 ft. Take kinematic viscosity equal to 1.06 x 10-5 ft²/s and neglect minor losses. 10 in dia 1. 2000 ft, 8 in dia A B 1600 ft, 6 in dia C 800 ft, 10 in dia 2.arrow_forward
- I want Question 3.1arrow_forwardA 500 mm diameter pipe gradually reduces to 20 mm diameter and the gradually enlarge to its original size. Given the pressure at the base of the convergence of 0.60 MPa with a flow of 0.08 cu. m/s, 1. What is the velocity at point 1? 2. What is the velocity head at point 2? 3. Neglecting the head loss, the pressure of the smallest section is?arrow_forward8.61 cally through a 200-ft-long, 1.0-in.-diameter drawn tubing at a rate of 0.060 ft'/s if the pressures at the inlet and outlet are the same? What horsepower is added to water to pump it verti- Pumparrow_forward
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