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-   -   Measuring mass flow rate across outlet (http://www.cfd-online.com/Forums/phoenics/52249-measuring-mass-flow-rate-across-outlet.html)

Danny April 1, 2008 09:47

Measuring mass flow rate across outlet
 
Hello

I am making a model of half of a PEM fuel cell. I have onhe inlet of hydrogen and two outlets. Outlet_1 is at a set pressure (standard gas outlet for the fuel cell) and outlet_2 is acting as the catalyst layer (i.e. where hydrogen reacts and crosses through the membrane).

How can I measure the mass flow rate across outlet_2?

I hope someone can help

Danny

PattiMichelle Sheaffer May 6, 2008 15:54

Re: Measuring mass flow rate across outlet
 
I think you can make an INFORM statement which will calculate the quantity you need (density*area*v?). Check out the INFORM documentation for the syntax. Then just look at the calculated values in the grid cells right *next* to the outlet.

There is probably a more elegant way to do this, but this is what springs to my mind.

Patti


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