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Problem 13.9
[Difficulty: 3]
Given:
Data on flow in a passage
Find:
Shape of flow passage; exit area provided the flow is reversible
Solution:
The given or available data is:
R
=
53.33
ftlbf/lbm
°
R
k
=
1.4
m =
20
lbm/s
p
1
=
30
psia
T
1
=
1200
°F
T
1
=
1660
°R
A
1
=8
in
2
M
2
=
1.2
Equations and Computations:
Using the ideal gas law we calculate the density at station 1:
ρ
1
=
0.04880
lbm/ft
3
Now we can use the area and density to get the velocity from the mass flow rate:
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This note was uploaded on 01/20/2012 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.
 Fall '07
 Lear

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