Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 16, Problem 16.4PP
A highway sign is being designed to withstand winds 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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- Compute for the lift force acting on a wing with an area of 56 sq. ft., velocity of 75 ft/s at an altitude of 5000 ft. Cl of the wing is 0.75. Calculate the drag of a certain wing with an area of 20 sq. meters , velocity of 75 m/s at an altitude of 2000m . Cd of the wing is 0.05. Compute for the drag of a rectangular wing with a chord of 4.5 ft and a span of 16 ft. if the dynamic pressure 80 psi. Cd of the wing is 0.030.arrow_forwardA Huston turbine impeller with a diameter of 0.217 m is used in a tank with a diameter of 0.65 m filled with liquid to a height of 0.65 m. Four baffles (baffles) are used to avoid vortex, all with a width of 0.01 m. The turbine operates at 275 rpm with a liquid that has a density of 1000 kg/m³ and a viscosity of 0.020Pa.s. a) Calculate the power required in KWatts by the agitation system.arrow_forwardA wheel tractor has a 200HP engine.if it is operating at an altitute of 1000m above sea level, at an average temperature of 25 degree celcius, and at an average speed of 12km/hr. Calculate the available rimpull of this tractor. Take rimpull efficiency as 85%arrow_forward
- A commercial ship entering port has a 1.25 m draught. It has a draught of 1 m after discharging its cargo. Calculate the ratio of the periodic periods before and after the ship leaves the cargo if the ship's width is 7 m and the ship's centre of gravity stays at the water line.arrow_forwardAn airplane is flying at a velocity of 130 mi/h at a standard altitude of 5000 ft. At a point on the wing, the pressure is 1750.0 lb/ft^2 . Calculate the velocity at that point, assuming incompressible flow.arrow_forwardA small, fast boat has a specific resistance ratio of 0.06 (see Table 17.2) and displaces 125 long tons. Compute the total ship resistance and the power required to overcome drag when it is moving at 50 ft/s in seawater at 77°F.arrow_forward
- A Huston turbine impeller with a diameter of 0.217 m is used in a tank with a diameter of 0.65 m filled with liquid to a height of 0.65 m. Four baffles (baffles) are used to avoid vortex, all with a width of 0.01 m. The turbine operates at 275 rpm with a liquid that has a density of 1000 kg/m³ and a viscosity of 0.020Pa.s. a) Considering that the mechanical efficiency is 50%, what is the power in HP of the commercial engine that you should specify?arrow_forwardAn airplane is flying at sea level at a speed of 100 mps. Calculate the free-stream dynamic pressure (Pa)arrow_forwardIf your lift to drag ratio is 15 for airline A flight and the airplane weighs 15,000-lb for L/Dmax, what’s the speed for L/Dmax at 22,500 lbs.?arrow_forward
- A pilot flies at 850 mb level over a region with reported sea-level pressure of 1000 mb and temperature of 0 degrees celcius, and temperature decreases with height at 6.5 degrees celcius/km over the region, calculate the altitude of the airplane. Show the derivation of the altitude formular starting from hydrostatic balance.arrow_forwardFor a new sailboat, a designer wants to determine the drag force that may be expected at a given speed. To do so, she places a model of the proposed hull in a test channel and uses three cables to keep its bow on the centerline of the channel. Dynamometer readings indicate that for a given speed, the tension is 40 lb in cable AB and 60 lb in cable AE. Determine the drag force exerted on the hull and the tension in cable AC.arrow_forward3. Calculate the speed ratio, S, for a satellite moving at 8 km/s, assuming that the ambient atmospheric species is 79 % molecular nitrogen, 21 % O2, and the temperature of the gas is 300 K. Re-do the calculation for a gas temperature of 3,000 K.arrow_forward
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