Munson, Young and Okiishi's Fundamentals of Fluid Mechanics, Binder Ready Version
8th Edition
ISBN: 9781119080701
Author: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
Publisher: WILEY
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Chapter 11.3, Problem 17P
To determine
The table of speed as a function of elevation for the U.S standard atmosphere.
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20.
[Ans. 9; 71.8 mm]
A semi-elliptical laminated spring is made of 50 mm wide and 3 mm thick plates. The length between
the supports is 650 mm and the width of the band is 60 mm. The spring has two full length leaves and
five graduated leaves. If the spring carries a central load of 1600 N, find:
1. Maximum stress in full length and graduated leaves for an initial condition of no stress in the
leaves.
2. The maximum stress if the initial stress is provided to cause equal stress when loaded.
[Ans. 590 MPa ; 390 MPa ; 450 MPa ; 54 mm]
3. The deflection in parts (1) and (2).
Q6/ A helical square section spring is set inside another, the outer spring having a free
length of 35 mm greater than the inner spring. The dimensions of each spring are as
follows:
Mean diameter (mm)
Side of square section (mm)
Active turns
Outer
Inner
Spring
Spring
120
70
8
7
20
15
Determine the (1) Maximum deflection of the two springs and (2) Equivalent spring
rate of the two springs after sufficient load has been applied to deflect the outer
spring 60 mm. Use G = 83 GN/m².
Q2/ The bumper springs of a railway carriage are to be made of rectangular section wire.
The ratio of the longer side of the wire to its shorter side is 1.5, and the ratio of mean
diameter of spring to the longer side of wire is nearly equal to 6. Three such springs
are required to bring to rest a carriage weighing 25 kN moving with a velocity of
75 m/min with a maximum deflection of 200 mm. Determine the sides of the
rectangular section of the wire and the mean diameter of coils when the shorter side is
parallel to the axis of the spring. The allowable shear stress is not to exceed 300 MPa
and G = 84 kN/mm².
Q6/ A belical
Chapter 11 Solutions
Munson, Young and Okiishi's Fundamentals of Fluid Mechanics, Binder Ready Version
Ch. 11.1 - Prob. 1PCh. 11.1 - Air flows steadily between two sections in a duct....Ch. 11.1 - Consider the flow process in Fig. P11.3. Does the...Ch. 11.1 - Prob. 4PCh. 11.1 - Prob. 5PCh. 11.1 - Prob. 6PCh. 11.1 - Prob. 7PCh. 11.1 - Prob. 8PCh. 11.1 - Air flows in a 15-cm-diameter horizontal pipe. At...Ch. 11.1 - An air heater in a large coal-fired steam...
Ch. 11.2 - Determine the static pressure to stagnation...Ch. 11.2 - Prob. 12PCh. 11.2 - Prob. 13PCh. 11.2 - Prob. 14PCh. 11.2 - Prob. 15PCh. 11.3 - Prob. 16PCh. 11.3 - Prob. 17PCh. 11.3 - Prob. 18PCh. 11.3 - Prob. 19PCh. 11.3 - Prob. 20PCh. 11.3 - Prob. 21PCh. 11.3 - Prob. 22PCh. 11.4 - Prob. 23PCh. 11.4 - Prob. 24PCh. 11.4 - Prob. 25PCh. 11.4 - Prob. 26PCh. 11.4 - Prob. 27PCh. 11.4 - Air flows in a constant-area, insulated duct. The...Ch. 11.5 - Prob. 29PCh. 11.5 - The Pitot tube on a supersonic aircraft (see Video...Ch. 11.5 - An aircraft cruises at a Mach number of 2.0 at an...Ch. 11.5 - Prob. 32PCh. 11.5 - Prob. 33PCh. 11.5 - Prob. 34PCh. 11.5 - Prob. 35PCh. 11.6 - The stagnation pressure and temperature of air...Ch. 11.6 - Prob. 37PCh. 11.6 - Prob. 38PCh. 11.6 - Prob. 39PCh. 11.6 - Prob. 40PCh. 11.6 - Prob. 41PCh. 11.6 - The static pressure to stagnation pressure ratio...Ch. 11.7 - Air flows steadily and isentropically from...Ch. 11.7 - Prob. 44PCh. 11.7 - Prob. 45PCh. 11.7 - Prob. 46PCh. 11.7 - At a certain point in a pipe, air flows steadily...Ch. 11.7 - Prob. 48PCh. 11.7 - Prob. 49PCh. 11.7 - Prob. 50PCh. 11.7 - A jet engine is to be designed for an altitude of...Ch. 11.7 - Prob. 52PCh. 11.7 -
A convergent–divergent nozzle has an exit throat...Ch. 11.7 - An ideal gas flows isentropically through a...Ch. 11.8 - Standard atmospheric air (T0 = 59 F, p0 = 14.7...Ch. 11.8 - Prob. 57PCh. 11.8 - Prob. 58PCh. 11.8 - Prob. 59PCh. 11.8 - Prob. 64PCh. 11.9 - Prob. 66PCh. 11.9 - Prob. 67PCh. 11.9 - Prob. 68PCh. 11.9 - Air enters a frictionless, constant area duct with...Ch. 11.9 - Prob. 70PCh. 11.9 - Prob. 71PCh. 11.9 - Prob. 72PCh. 11.9 - Prob. 73P
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