EBK FLUID MECHANICS
2nd Edition
ISBN: 8220106714287
Author: HIBBELER
Publisher: PEARSON
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Chapter 11, Problem 39P
To determine
The friction drag on each wing.
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A container filled with 70 kg of liquid water at 95°C is placed in a 90-m3 room that is initially at 12°C. Thermal equilibrium is established after a while as a result of heat transfer between the water and the air in the room. Assume the room is at the sea level, well sealed, and heavily insulated.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Determine the final equilibrium temperature. Use the table containing the ideal gas specific heats of various common gases.
The final equilibrium temperature is °C.
Steam at 100 psia and 650°F is expanded adiabatically in a closed system to 10 psia. Determine the work produced, in Btu/lbm, and the final temperature of steam for an isentropic expansion efficiency of 80 percent. Use steam tables.
The work produced is Btu/lbm.
The final temperature of steam is °F.
Complet the solution :
Vavg
Ti
Te
Ts
Q
hexp Nuexp htheo Re Nutheo Error
(m/s) (*C) (*C) (*C)
(W)
2.11 18.8 21.3 45.8
2.61 18.5 20.8 46.3
Chapter 11 Solutions
EBK FLUID MECHANICS
Ch. 11 - Prob. 1PCh. 11 - The boundary layer for wind blowing over rough...Ch. 11 - Water at 60°F flows over the top surface of the...Ch. 11 - Prob. 4PCh. 11 - Wind flows along the side of the rectangular sign....Ch. 11 - If the disturbance thickness of a laminar boundary...Ch. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Air at 20°C is blowing at 2 m/s as it passes over...Ch. 11 - Prob. 13PCh. 11 - Water at 20°C has a free-stream velocity of 500...Ch. 11 - Air at a temperature of 60°F flows at 1.2 ft/s...Ch. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - Prob. 37PCh. 11 - Prob. 38PCh. 11 - Prob. 39PCh. 11 - Determine the disturbance thickness of the...Ch. 11 - Prob. 41PCh. 11 - Prob. 42PCh. 11 - Prob. 43PCh. 11 - Prob. 44PCh. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - Prob. 47PCh. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 50PCh. 11 - Determine the moment developed at the base A of...Ch. 11 - Prob. 52PCh. 11 - Prob. 53PCh. 11 - Prob. 54PCh. 11 - Prob. 55PCh. 11 - Prob. 56PCh. 11 - The truck has a drag coefficient of CD = 1.12 when...Ch. 11 - Prob. 58PCh. 11 - The motorcycle and passenger has a projected front...Ch. 11 - Prob. 60PCh. 11 - Prob. 61PCh. 11 - Prob. 62PCh. 11 - Prob. 63PCh. 11 - Prob. 64PCh. 11 - Prob. 65PCh. 11 - The uniform crate has a mass of 50 kg and rests on...Ch. 11 - Prob. 67PCh. 11 - Prob. 68PCh. 11 - A ball has a diameter of 40 mm and falls in honey...Ch. 11 - The blades of a mixer are used to stir a liquid...Ch. 11 - Prob. 71PCh. 11 - Prob. 72PCh. 11 - Prob. 73PCh. 11 - Prob. 74PCh. 11 - Prob. 75PCh. 11 - Prob. 77PCh. 11 - Prob. 78PCh. 11 - Prob. 79PCh. 11 - Prob. 81PCh. 11 - Prob. 82PCh. 11 - Prob. 83PCh. 11 - Prob. 84PCh. 11 - A 5-Mg airplane is flying at a speed of 60 m/s. If...Ch. 11 - Prob. 86PCh. 11 - Prob. 87PCh. 11 - Prob. 88PCh. 11 - Prob. 89PCh. 11 - Prob. 90PCh. 11 - Prob. 91PCh. 11 - The plane weighs 9000 lb and can take off from an...Ch. 11 - Prob. 93PCh. 11 - The 2000-lb airplane is flying at an altitude of...Ch. 11 - A 15,000-lb airplane has two wings, each having a...Ch. 11 - Prob. 96PCh. 11 - Prob. 97P
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