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-   -   Constant mass flow rate / choking outlet bounardy condition (https://www.cfd-online.com/Forums/main/219-constant-mass-flow-rate-choking-outlet-bounardy-condition.html)

Min Zhu September 29, 1998 12:33

Constant mass flow rate / choking outlet bounardy condition
 
Hello,

Are there anybody having the experience/knowledge in implement the choking or constant mass flow rate in the outlet of compressible flow ?

I would be very grateful if you could give me some suggestions/comments or refereces.

Regards

Min Zhu

John C. Chien September 29, 1998 15:33

Re: Constant mass flow rate / choking outlet bounardy condition
 
With the inlet total pressure given (fixed), you can increase the exit mach number by lowering the static pressure at the exit. You can change either inlet total pressure or exit static presure to adjust the mass flow rate.


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