Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
3rd Edition
ISBN: 9780133593211
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 9, Problem 2RQ
- 2. While researching fluid dynamics, you came across a reference to the dimensionless number called the capillary number, given by the equation below.
where:
µ = fluid viscosity [=]g/ (ms)
υ = velocity [=] ft/s
What are the dimensions of gamma, γ?
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SpL
La =
where:
kg
p= fluid density [=]:
m3
H= fluid viscosity [=]-
m-S
L = length [=] ft
What are the dimensions for delta, &?
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[F] =
To understand the heat transfer from a bar in cross flow, you conduct a series of
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velocity. A schematic of the experiment and the accompanying results are shown below.
L = 0.3 m
h [W/m²-K]
60
40
V [m/s]
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15
a) You expect the important dimensionless parameters to be related by a function of
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Chapter 9 Solutions
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
Ch. 9.2 - The heat loss (Q/t, in units of joules per second...Ch. 9.2 - Prob. 2CCCh. 9.2 - What are the dimensions of the value 6 in the...Ch. 9.4 - The Euler number is a function of the pressure...Ch. 9 - Prob. 1ICACh. 9 - Prob. 2ICACh. 9 - Prob. 3ICACh. 9 - Prob. 4ICACh. 9 - A fluid with a specific gravity of 0.91 and a...Ch. 9 - Brine, with a density of 1.25 grams per cubic...
Ch. 9 - When a simple turbine is used for mixing, the...Ch. 9 - Prob. 8ICACh. 9 - Prob. 9ICACh. 9 - 1. While researching fluid dynamics, you come...Ch. 9 - 2. While researching fluid dynamics, you came...Ch. 9 - 3. While researching fluid dynamics, you come...Ch. 9 - 4. The Arrhenius number (Ar) is the dimensionless...Ch. 9 - 5. The Biot number (Bi) is the dimensionless...Ch. 9 - 6. A biodegradable fuel having a specific gravity...Ch. 9 - 7. A sludge mixture having a specific gravity of...Ch. 9 - 8. Water (specific gravity = 1.02; viscosity =...Ch. 9 - Prob. 9RQCh. 9 - 10. The Peclet number is used in heat transfer in...Ch. 9 - 11. When a fluid flows slowly across a flat plate...Ch. 9 - 12. In modeling the flow of liquid in a piping...
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