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Forum: Main CFD Forum

February 6, 2013, 17:26

Replies: 6

Absolute or Gauge Pressure for Total Pressure?

Views: 4,340

Posted By Torque_Converter

Thanks Lucky, I agree, CFX is relative pressure. ...

Thanks Lucky, I agree, CFX is relative pressure. And I also thought that only absolute pressures were useful for ratios.
It appears that to automate things, especially as I watch the convergence...

Forum: Main CFD Forum

February 6, 2013, 14:02

Replies: 6

Absolute or Gauge Pressure for Total Pressure?

Views: 4,340

Posted By Torque_Converter

I imagine it is the same in CFX, which means...

I imagine it is the same in CFX, which means Total Pressure is based on Gauge Static, but does that mean that is what is the common practice in turbomachinery performance maps when they list total...

Forum: Main CFD Forum

February 6, 2013, 12:37

Replies: 6

Absolute or Gauge Pressure for Total Pressure?

Views: 4,340

Posted By Torque_Converter

It appears that in CFX when total pressure is...

It appears that in CFX when total pressure is calculated it is done so off of relative pressure. That makes me think it is a standard, but is by no means conclusive. I agree with you as well,...

Forum: Main CFD Forum

February 6, 2013, 11:27

Replies: 6

Absolute or Gauge Pressure for Total Pressure?

Views: 4,340

Posted By Torque_Converter

Absolute or Gauge Pressure for Total Pressure?

For turbomachinery applications I see the convention is to look at Total Pressure ratio. However, it is not stated anywhere I can see whether the static pressure component is absolute or gauge. ...

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