EBK FLUID MECHANICS
2nd Edition
ISBN: 9780134626055
Author: HIBBELER
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 7, Problem 51P
To determine
The strength
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Draw top, side, front view With pen(cil) and paper
Multi view drawing and handwriting all of it
A wheel of diameter 150.0 mm and width 37.00 mm carrying a load 2.200 kN rolls on a
flat rail. Take the wheel material as steel and the rail material as cast iron. Assume the
figure given, which is based on a Poisson's ratio of 0.3, is applicable to estimate
the depth at which the maximum shear stress occurs for these materials. At this critical
depth, calculate the Hertzian stresses σr, σy, σz, and Tmax for the wheel.
1.0
0.8
0, т
Ratio of stress to Pmax
0.4
0.6
90
69
0.2
0.5b
b
1.5b
Tmax
2b
Distance from contact surface
The Hertizian stresses are as follows:
02 = or = -23.8 psi for the wheel =|
necessary.)
σy for the wheel =|
MPa
σz for the wheel =
MPa
V4 for the wheel = |
MPa
2.5b
ཡི
3b
MPa (Include a minus sign if
Only question 3
Chapter 7 Solutions
EBK FLUID MECHANICS
Ch. 7 - Prob. 1PCh. 7 - A flow is defined by its velocity components u =...Ch. 7 - A uniform flow at 6 m/s is directed at an angle of...Ch. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Determine the stream and potential functions for...Ch. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - The velocity profile of a liquid flowing along the...
Ch. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - The liquid confined between two moving plates has...Ch. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - A flow has velocity components u = 2(y − x) ft/s...Ch. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - Prob. 43PCh. 7 - If a building has a flat roof and is located 20 m...Ch. 7 - Prob. 45PCh. 7 - Combine a source of strength q with a free...Ch. 7 - Prob. 47PCh. 7 - Show that the equation that defines a sink will...Ch. 7 - Prob. 49PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - A source q is emitted from the wall while a flow...Ch. 7 - Prob. 57PCh. 7 - Prob. 58PCh. 7 - Prob. 59PCh. 7 - Prob. 60PCh. 7 - Prob. 61PCh. 7 - Prob. 62PCh. 7 - Prob. 63PCh. 7 - Prob. 64PCh. 7 - Prob. 65PCh. 7 - The long rotating cylinder is subjected to a...Ch. 7 - Prob. 67PCh. 7 - Prob. 68PCh. 7 - Prob. 69PCh. 7 - Prob. 70PCh. 7 - Prob. 71PCh. 7 - Prob. 72PCh. 7 - Prob. 73PCh. 7 - Prob. 74PCh. 7 - Prob. 75PCh. 7 - Prob. 76PCh. 7 - Prob. 77PCh. 7 - Prob. 78PCh. 7 - If the uniform velocity of the air is 15 m/s and...Ch. 7 - Prob. 80PCh. 7 - The long cylinder is rotating counterclockwise...Ch. 7 - Prob. 82PCh. 7 - Liquid is confined between a top plate having an...Ch. 7 - A horizontal velocity is defined by u = 2(x2 − y2)...Ch. 7 - The sloped open channel has steady laminar flow...Ch. 7 - Prob. 86PCh. 7 - The channel for a liquid is formed by two fixed...
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