Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 16, Problem 16.17PP
Calculate the force required to hold a
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A pipeline carrying water reduces from 0.9 m diameter to 0.6 m diameter. The initial water velocity is 2.1 m/s and the initial pressure is 414 kPa. If there is a frictional loss across the pipe reduction of 1.5 metres of water, calculate the force on the pipe reduction.
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Chapter 16 Solutions
Applied Fluid Mechanics
Ch. 16 - Calculate the force required to hold a flat plate...Ch. 16 - What must be the velocity of flow of water from a...Ch. 16 - Calculate the force exerted on a stationary curved...Ch. 16 - A highway sign is being designed to withstand...Ch. 16 - Compute the forces in the vertical and horizontal...Ch. 16 - Figure 16.13 O shows a free stream of water at 180...Ch. 16 - Compute the horizontal and vertical forces exerted...Ch. 16 - In a plant where hemispherical cup-shaped parts...Ch. 16 - A stream of non-flammable oil (sg 5 0.90) is...Ch. 16 - A 2 -in-diameter stream of water having a velocity...
Ch. 16 - Figure 16.17 O represents a type of flowmeter in...Ch. 16 - Water is piped vertically from below a boat and...Ch. 16 - A 2 -in nozzle is attached to a hose with an...Ch. 16 - Seawater (sg 5 1.03) enters a heat exchanger...Ch. 16 - A reducer connects a standard 6 -in Schedule...Ch. 16 - Calculate the force on a elbow attached to an in...Ch. 16 - Calculate the force required to hold a 90 elbow in...Ch. 16 - Calculate the force required to hold a 180 close...Ch. 16 - A bend in a tube causes the flow to turn through...Ch. 16 - A vehicle is to be propelled by a jet of water...Ch. 16 - A part of an inspection system in a packaging...Ch. 16 - Shown in Fig. 16.20 is a small decorative wheel...Ch. 16 - For the wheel described in Problem 16.22. compute...Ch. 16 - A set of louvers deflects a stream of warm air...Ch. 16 - Prob. 16.25PPCh. 16 - Prob. 16.26PPCh. 16 - Figure 16.22 shows a device for clearing debris...Ch. 16 - Prob. 16.28PPCh. 16 - Figure 16.23 is a sketch of a turbine in which the...Ch. 16 - Repeat Problem 16.29 with the blade rotating as a...Ch. 16 - Repeat Problem 16.29, except with the blade...
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- A 40-m wide and 5-m deep river flows at the rate of 1.5 m/s. A hydro-electric plant installed nearby develops a gage pressure of 350kpa at the turbine entrance. Calculate the maximum power available in MW.arrow_forwardThe turbine of a micro-hydroelectric power plant delivers 65hp at 75% efficiency. If the effective head is 115ft, how many cubic feet per minute of water must be used.arrow_forwardWater (@75C) flows horizontally in a pipe at a rate of 1.6 m3 / min . The dia of the outlet is 2 inches. It enters a 3 inches 45 deg. elbow and is diverted upwards into a connecting pipe. If the pressure just before the elbow is 78 kPa, calculate the magnitude and direction of the force necessary to keep the elbow in place. Say, frictional losses in the elbow are negligible.arrow_forward
- When the pump (figure) delivers 220m^3/h of water at 20°C from the reservoir, the total frictional head loss is 5 m. The flow is discharged to the atmosphere through a nozzle. Estimate the power in kilowatts that the pump delivers to the water.arrow_forwardAsap; An impulse turbine is used to produce hydroelectric power. The average radius of the Pelton wheel is 2.0 m, and the jet velocity is 103 m/s from a nozzle of exit diameter equal to 0.318 m. The turning angle of the buckets is 165°. Take the density of water to be 998 kg/m^3. Calculate the ideal shaft power in MW.arrow_forwardWater from a reservoir passes over a dam through a turbine and discharges from a 70-cm ID pipe at a point 95 m below the reservoir surface. The turbine delivers 0.950 MW. Calculate the required flow of water in m3/min if friction is neglected. If friction were included would a higher or lower flow rate be required? (Note: The equation you will solve in this problem has multiple roots. Find a solution less than 1.0 m3/s.) V=___m^3/min?arrow_forward
- A pump is delivering 160 liters per second of water using an impeller diameter of 254mm and operating at a speed of 1800 rpm. If the speed is held constant and the impeller diameter is changed to 203.2 mm, what is the new discharged of the pump in liters per second?(128 L/s)arrow_forwardWater from a reservoir is pumped over a hill through a pipe 3 ft. in diameter, and a pressure of 35 psi is maintained at the summit, where the pipe is 300 ft above the reservoir. The quantity pumped is 55 cfs, and by reason of friction in the pump pipe there is 10 ft of head loss between the reservoir and the summit. What amount of energy must be furnished the water by the pump in kilowatts?arrow_forwardA plant has installed a single suction centrifugal pump with a discharge of 68 m3/hr under 60 m head and running at 1200 rpm. It is proposed to install another pump with double suction but of the same type to operate at 37.22 m head and deliver 90 m3/hr. Determine the speed of the new pump. and what should be the new impeller diameter if the diameter of the original pump is 140mm?arrow_forward
- A pump is designed to deliver 9500 L/min of water at a required head of 8 m. The pump shaft rotates at 1100 rpm. The pump specific speed in nondimensional form is (a) 0.277 (b) 0.515 (c) 1.17 (d ) 1.42 (e) 1.88arrow_forwardSeven hundred gallons per minute of water are being discharged by a centrifugal pump 5 ft above the pump inlet. The inlet pressure is 4-in Hg above the atmospheric and the discharge pressure is 29 psia. If the pump has an 8-in diameter inlet and a 4-in diameter discharge, find the new flowrate if thr pump speed is doubled. Assume the pump input is 8Hp. A. 700 gpmB. 1050 gpmC. 1400 gpmD. 1750 gpmarrow_forwardA long 0.3 m pipeline laid between two reservoirs carries a flowrate of 0.14 m3/s ofwater. A parallel pipe of the same friction factor is laid beside this one. Calculate the approximatediameter of the second pipe if it is to carry 0.28 m3/sarrow_forward
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