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Problem 1.35
[Difficulty: 1]
Given:
Equation for drag on a body.
Find:
Dimensions of C
D
.
Solution:
Use the drag equation.
Then "solve" for C
D
and use dimensions.
The drag equation is
F
D
1
2
ρ
⋅
V
2
⋅
A
⋅
C
D
⋅
=
"Solving" for C
D
, and using dimensions
C
D
2F
D
⋅
ρ
V
2
⋅
A
⋅
=
C
D
F
M
L
3
L
t
⎛
⎝
⎞
⎠
2
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.
 Fall '07
 Lear
 Fluid Mechanics

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