Page 185 - 48Fundamentals of Compressible Fluid Mechanics

9.4. THE WORKING EQUATIONS 147

either from the table
by interpolations or utilizing attached program.
The rest of the parameters can be obtained with the new W`XaZ [

]

]

QS
IUS
5 Q^S
'%'%3
S IaQ
Q
SQ0I-V Q ( VUQ S(*3 V
'%'% I-V I
S I3
Note that the subsonic branch is chosen. the stagnation ratios has to be

added for N H QS
*%%'3

I=S ( V Q
I=S

can be found from the combination of the ratios as

follows: The total pressure b
b b
H K
QS
Q^S I
QS (*
Q0S
'%

b

b
H

b

b

H

SQI(V
I
S I

# b b b # #

L

b
b
L H
b
L
L

b

L
H
H
Q
Q

Another academic question:
L b
V% (''
# b # #
I
S_I (
Example 9.2:
A system compromised from a convergent-divergent nozzle followed by a tube
with length of 2.5 [cm] in diameter and 1.0 [m] long. The system is supplied by a
5 whatInfo = infoStandard ;
variableName = fldV;
k = 1.4;
FLD = 3.21 ;