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 11.19PP
Water at
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There are five tubes that fill up to different levels
1: 22.5 cm, 2: 19 cm, 3: 17.5 cm, 4: 16 cm, 5: 13 cm
the tubes fill up the tank of about 1900 mL
a.What is the Reynolds number of the flow through the pipe? (~16000) Is itturbulent or laminar flow?b. What is the head loss (in cm) for the flow through the full length of the pipe, i.e.,from the first to the fifth tube?c. Based on your head loss calculated in part b, what is the Fanning friction factorfor this flow? (~ 0.01)d. What is the roughness of the pipe? (~ 0.09 mm )
A venturi meter of 20 mm throat diameter is used to measure. The velocity of water in a horizontal pipe of 40 mm diameter. If the pressure difference between the pipe and the throat sections is found to be 30 KPa then, neglecting frictional losses, the flow velocity is?
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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- 6. 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_forward10.0 m 200 m 2. An old western town has a water tower to deliver water to the residents. Pictured above is the water tower. The water tower is closed but there is a section of air that is atmospheric pressure just above the water. The corsss ectional area at point 2 is 4.75 x 10 m. The cross sectional area fot the water tower is very large. What is the speed of the water coming out of the pipe at point 2? (density of water = kg/m³) 3. On a vacation trip up in Oregon my boys decided to build a 10 kg raft that they made out of driftwood. 1000arrow_forward2. An inclined venturi tube containing water has an inlet of 300 mm diameter and a throat of 150 mm diameter. The difference in head between the inlet and the throat is 250 mm. Neglecting losses, calculate the discharge through the venturi meter. Alir 250 mm 300 mm Diam 150 mm Diam -Waterarrow_forward
- i need solution for this pleasearrow_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_forwardpoints A and B are given as 29.43 N/cm2 and 22.563 N/cm respectively while the datum head at A and 266 Fluid Mechanies Problem 6.7 A pipe of diameter 400 mm carries water at a velocity of 25 m/s. The pressures c B are 28 m and 30 m. Find the loss of head between A and B.arrow_forward
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