RAREFIED GAS FLOW THROUGH A SHORT TUBE AND THIN ORIFICE
The applet provides the mass flow rate of a rarefied gas through a short tube and thin orifice. The details can be found in the paper 1 and paper 2. If you have questions or suggestions to improve the applet, please write me: sharipov@fisica.ufpr.br
Scheme of flow

Input data:

Radius of tube R: meter
Length to radius ratio* L/R:
Inlet pressure p1: Pa
Pressure ratio* p2/p1**:
Temperature of gas: K
Gas***:

Results:

Mass flow rate: kg/s
Throughput Pa m3/s at 0oC
Viscosity: micro Pa s
Outlet pressure p2: Pa
Length of tube L: m
Inlet rarefaction δ1:
*If you need to calculate another length-to-radius ratio, write me sharipov@fisica.ufpr.br
**If you need to calculate another pressure ratio, write me sharipov@fisica.ufpr.br
***If you need to calculate another species of gas, write me sharipov@fisica.ufpr.br >
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