CHE 3013, Fall 2010
1 of 14
Incompressible Fluid Flow
Summary of Key Concepts and Skills Required for CHE 3013
Chapters 1, 2, 3, 5, and 8
Munson, Young, and Okiishi
Fundamentals of Fluid Mechanics, 5
th
Edition
John Wiley & Sons, 2006
Chapter 1:
Introduction
Unit Systems
1.
Chemical engineers must be able to work in both FPS (US Customary) and SI systems of
units.
2.
There is no standardized system of nomenclature.
Variables have to be interpreted in the
context in which they are used.
3.
Find and keep a comprehensive list of unit conversion factors.
There are some
conversion factors inside the back cover of Incropera, et al., but these are probably not
complete for our work.
4.
Academia and literature
SI
5.
U. S. workplace
FPS
6.
2
f
m
s
lb
ft
lb
174
.
32
=
c
g
(adequate precision for most cases, see p. 8)
7.
Numbers without units are ambiguous and a major source of errors!
Example:
(
)(
)
f
lb
0.224809
0.45359237
9.80665
1
N
1
=
=
This should be written as
f
m
2
f
2
2
m
2
lb
0.224809
N
1
ft
lb
174
.
32
s
lb
s
ft
174
.
32
m
80665
.
9
s
kg
0.45359237
lb
kg
1
s
m
kg
1
N
1
=
=
=

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