Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 11, Problem 11.4PP
Figure 11.16 shows part of a large hydraulic system in which the pressure at B must be
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Saturated 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 total friction losses in kJ/kg.
Water is transported for 500 m in a 4 inch ductile iron pipe (coated) with a flow rate of 0.04 m3/s. Calculate the pressure drop over the 500 m length of pipe. (Calculate the friction factor f using the formula given in class notes/textbook, and not by using the Moody chart).
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Chapter 11 Solutions
Applied Fluid Mechanics
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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- A water piping system is 3000 ft of NPS 20-inch pipe that has three gate valves, one globe valve, one lift check valve, and two standard tees through the flow. Calculate the total pipe length that will include all the straight pipe and valves and fittings. Calculate the pressure drop due to friction if the average flow rate is assumed to be 6.7 ft3/s. Take the value of the Darcy friction factor from Prob (1).arrow_forwardImagine the plug in the sink described in Problem 8.31 leaks. If it now takes 45 seconds to fill the sink to its rim, estimate the volumetric flow rate of the leak.arrow_forwardCalculate the resistance coefficient K for a check valve swing type placed in a 6 inch schedule 40 steel pipe if water at 100º F flowing with a velocity of 10 ft/sarrow_forward
- Compute points on the velocity profile from the pipe wall to the centerline of a 3/4-in Type K copper tube if the volume flow rate of water at 60'F is Q 0.5 gal/min. Use increments of 0.05 in and include the velocity at the centerline. please be through and provide all calculus and graphs/tablesarrow_forwardWhen 500 gpm flow through a 12 inches pipe which later reduces to a 6 inches pipe, calculate the average velocities in the two pipes.arrow_forward18.A venture meter is a device that uses a constriction in a flow system to measure the velocity of flow, Figure 12 illustrate one type design. If the main pipe section is a standard hydraulic copper tube having a 100-mm outside diameter x 3.5-mm wall thickness, compute the volume flow rate when the velocity there is 3.0 m/s. Then, for that volume flow rate, specify the required size of throat section that would make the velocity there at least 15.0 m/s.arrow_forward
- Reducer connection connecting a pipe that carries water with a diameter of A (mm) and another with a diameter of B (mm). If the pressure difference between the two ends of the joint is equal to C (mm) of mercury, calculate the average velocity at the inlet and outlet sections, and find the volumetric flow rate if the loss is small that can be neglected.arrow_forwardIn Applied fluid mechanic, chapter 8 problem 8.21, can someone explain to me how to solve step by step? The question is A system is being designed to carry 500 gal/min of ethylene glycol at 77 F at a maximum velocity of 10 ft/s. Specify the smallest standard Schedule 40 steel pipe to meet this condition. Then for the selected pipe compute the Reynolds number for flow.arrow_forwardA pumped fluid distribution system is being designed to deliver 400 gal/min of water to a cooling system in a power generation plant. Use the figure below to make an initial selection of Schedule 40 pipe sizes for the suction and discharge lines for the system. Also, solve for the actual average velocity of flow for each pipe.arrow_forward
- Water (15 C) is transported from an open reservoir to the atmosphere through a new cast iron pipe (d = 4 in). At the end of the pipe there is a fully open gate valve. Evaluate the maximum flow rate (gal / min) through the pipe.arrow_forwardplease draw a diagram, thanks Water at 4.4oC with a density of 1000 kg/ m3 and a viscosity of 1.55 cP is to flow through a horizontal commercial steel pipe having a length of 305 m at the rate of 150 gal/min. A head of water of 6.1 m is available to overcome the friction loss due to skin. Calculate the pipe diameter.arrow_forwardCalculate the minimal head of the pump required to pump 1 m³ of water per second to the height 10 m trough a pipe with cross sectional area 0.1 m². Assume constant friction coefficient f = 0.04 and neglect all losses in fittings. The pump head is the gravity head plus losses and so it can be found?arrow_forward
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