CFD Online Discussion Forums

CFD Online Discussion Forums (
-   NUMECA (
-   -   mass flow rate (

mattyo March 7, 2013 13:48

mass flow rate
I'm working with simulations of tube which had one inlet and the two outlet by using FineHexa.
The problems is how can I know the value of outlet mass flow for each outlet.
The default of FineHexa only show the total of the outlet mass flow so I cant determine the mass flow rate for each outlet.
Please help me..
Thank you..

Hamidzoka May 13, 2013 14:01

It must be an easy task in the post processor.
Even if could not do this, simply give different names to your outlet boundaries, e.g. outlet1 and outlet2. So you can separately check their mass flow rate via CFview.

oldshoes81 June 24, 2013 10:53

Try this, the mass flow rate is equal to density * velocity * cross section area. To differentiate the both, say :

Mdot @ OUTLET 1 = density*velocity@OUTLET 1*Cross section Area@OUTLET 1
Mdot @ OUTLET 2 = density*velocity@OUTLET 2*Cross section Area@OUTLET 2

Where i assume the density is constant in the system.

All times are GMT -4. The time now is 16:00.