RAREFIED GAS FLOW THROUGH A LONG CYLINDRICAL TUBE
The applet provides the mass flow rate of a rarefied gas through a long tube caused by an arbitrary pressure difference. It is assumed the flow to be subsonic and laminar. The details can be found in the paper by F. Sharipov and V. Seleznev, J. Vac. Sci. Technol. A 12 , 2933-2935 (1994). If you have questions or suggestions to improve the program, please write me: sharipov@fisica.ufpr.br
Scheme of flow

Input data:

Radius of tube R: m
Length of tube L: m
Inlet pressure p1: Pa
Outlet pressure p2: Pa
Temperature of gas T: K
Gas*:



Results:

Mass flow rate: kg/s
Throughput Pa m3/s at 0oC
Viscosity: micro Pa s
Rarefaction δ1:
Rarefaction δ2:
Mach
Reynold
*If you need to calculate another species of gas, write me sharipov@fisica.ufpr.br



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