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Forum: CFX

February 2, 2017, 04:34

Replies: 14

Mass flow not matching with analytical value

Views: 2,321

Posted By ghorrocks

So if you know the inlet velocity and that it is...

So if you know the inlet velocity and that it is perpendicular to the inlet boundary, then the mass flow rate = density*area*normal velocity at the inlet, so you know the mass flow rate without doing...

Forum: CFX

January 28, 2017, 00:44

Replies: 14

Mass flow not matching with analytical value

Views: 2,321

Posted By ghorrocks

Then it appears your desired mass flow rate is...

Then it appears your desired mass flow rate is inconsistent with your inlet velocity.

Or are you saying the mass flow() calculation is wrong?

Forum: CFX

January 27, 2017, 19:03

Replies: 14

Mass flow not matching with analytical value

Views: 2,321

Posted By ghorrocks

1) How are you calculating the mass flow rate? ...

1) How are you calculating the mass flow rate?

2) Is the flow incompressible or compressible?

3) Steady state or transient?

4) If the mass flow rate is wrong then can you adjust the inlet...

Forum: CFX

January 27, 2017, 15:51

Replies: 14

Mass flow not matching with analytical value

Views: 2,321

Posted By ghorrocks

Aren't you defining the mass flow rate at your...

Aren't you defining the mass flow rate at your inlet boundary? Does this mean your inlet boundary condition is wrong?

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