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Forum: OpenFOAM Running, Solving & CFD

November 15, 2017, 08:04

Replies: 6

Cp values larger than 1

Views: 1,855

Posted By matejfor

Now you have landed on a very special ground. BL...

Now you have landed on a very special ground. BL modelling is still a question in CFD. OpenFOAM is using highRe wall functions where your y+ should be around 30-300. Unless you are resolving the BL...

Forum: OpenFOAM Running, Solving & CFD

November 15, 2017, 04:41

Replies: 6

Cp values larger than 1

Views: 1,855

Posted By matejfor

Hmmm.... I guess the pressure difference is...

Hmmm....
I guess the pressure difference is multiplied by density in your incompressible place.
As the c_p looking at the coefficient takes only the static pressure difference from the simulation,...

Forum: OpenFOAM Running, Solving & CFD

November 15, 2017, 02:58

Replies: 6

Cp values larger than 1

Views: 1,855

Posted By matejfor

Well in incompressible flow, your pressure is not...

Well in incompressible flow, your pressure is not in Pascals but in Pa/rho .I do not recall the c_p expression very well but can the density influence your results?

matej

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