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Gas Critical Flow

This document contains equations for critical pressure, sonic velocity, and mass flowrate. Critical pressure is calculated using the reduced pressure and a constant. Sonic velocity uses the molecular weight, gas constant, temperature, and reduced pressure. Mass flowrate is calculated using discharge coefficient, area, density, critical pressure, and pressure.

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37 views1 page

Gas Critical Flow

This document contains equations for critical pressure, sonic velocity, and mass flowrate. Critical pressure is calculated using the reduced pressure and a constant. Sonic velocity uses the molecular weight, gas constant, temperature, and reduced pressure. Mass flowrate is calculated using discharge coefficient, area, density, critical pressure, and pressure.

Uploaded by

yowmun
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Critical Pressure

=
Po
k
Pc

2
+1
3 bar
1.33 steam
1.621092 bar

Sonic Velocity
=
Mw
R
T
k
Vs

18
8.314
390
1.33
489.4709

g/mol
J/mol.K
K
steam
m/s

constant

Mass flowrate
2
+1

=
Cd
A
k

Po
m

0.6
0.0005
1.33
1.5
300000
0.135364

typical value
m2
kg/m3
Pa
kg/s

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