Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 16, Problem 16.31PP
Repeat Problem 16.29, except with the blade rotating as a part of the wheel at a radius of
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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 DC brushed motor has a no-load speed of wo and a stall torque of Ts. a. What is its peak power output, assuming it has no bearing friction? What is the corresponding angular velocity wm of the shaft? Please show how to calculate this. b. Now suppose the motor is subject to bearing friction equal to -Bom, where B > 0 is a drag coefficient, reducing the power produced at the output of the motor. What is the maximum power output in this case, and the angular velocity of the shaft?arrow_forwarda circular wheel of 1m diameter is moving with a speed of 10 m/s. find the angular veloarrow_forwardWhat thrust is obtained from a propeller 3 m in diameter that has the characteristics given in Fig. 14.2 when the propeller is operated at an angular speed of 1400 rpm and an advance velocity of zero? Assume 1.05 kg m3arrow_forward
- Describe how work is done by a skater pulling in her arms during a spin. In particular, identify the force she exerts on each arm to pull it in and the distance each moves, noting that a component of the force is in the direction moved. Why is angular momentum not increased by this action?arrow_forwardA flywheel maximum speed is 240 rpm and decrease to 200 rpm during the punching stroke. Themean diameter of the rim is 100 cm. Weight of the rim is 500 N and the weight of the arms andhub is 10% of the weight of the rim. Compute the energy released by the flywheel.arrow_forwardA highway curve of 120 m radius is banked to give equal wheel reactions for a speed of 48 kph. If the coefficient of friction is equal to 0.6, what is the maximum safe speed which may be attained without skidding?arrow_forward
- Propeller blades in aeroplane are 2 m long. when propeller is rotating at 1800 rev/min, compute the tangential velocity of the tip of the blade.arrow_forwardFigure 16.23 is a sketch of a turbine in which the incom- ing stream of water at 15°C has a diameter of 7.50 mm and is moving with a velocity of 25 m/s. Compute the force on one blade of the turbine if the stream is deflected through the angle shown and the blade is stationary.arrow_forwardWhat thrust is obtained from a propeller 3 m in diameter that has the characteristics given in Fig. 14.2 when the propeller is operated at an angular speed of 1400 rpm and an advance velocity of zero? Assume p = 1.05 kg m3.arrow_forward
- Two cylinders rolling together have a speed ratio of 3:1. The center-to-center distance is 30in. Find the diameters of the cylinders if they are rotating in (a) the opposite direction, and (b) same direction.arrow_forwardA 90 kN locomotive, with a 16 km/hr initial speed, move up an incline. The locomotive has 6 pairs of drive wheels, having a diameter of 600 mm. If the incline angle is 7° and a 750 N-m torque is developed at each driving wheel, calculate the frictional force (in kN), neglecting the rotation energy of the drive wheels.arrow_forwardA small model of a water pump with an impeller diameter of 8 in is able to develop a head of 15 ft and flow of 100 GPM when spun at 1200 RPM with a power input of 0.4 hp. If a larger model of the same pump with an impeller diameter of 24 in is to be used for another application where the required head is 80ft, at what speed (in RPM) should this larger model be ran, and at what capacity (in GPM) can it deliver water?arrow_forward
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