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Search: Posts Made By: dpalko
Forum: OpenFOAM Running, Solving & CFD September 16, 2008, 04:45
Replies: 73
Views: 16,012
Posted By dpalko
Hej Henrik, I absolutely ag

Hej Henrik,

I absolutely agree with your points. Rho should be fetched from the equation of state, i am just wondering why OpenFoam doesn't do it this way. And i also agree that psi must be...
Forum: OpenFOAM Running, Solving & CFD September 11, 2008, 13:16
Replies: 73
Views: 16,012
Posted By dpalko
Maxim, The issue which i poi

Maxim,
The issue which i pointed in the message above, Friday Aug-29 must be solved before you try anything.

David
Forum: OpenFOAM Running, Solving & CFD August 29, 2008, 04:28
Replies: 73
Views: 16,012
Posted By dpalko
Thank you Henrik, So the de

Thank you Henrik,

So the definition of compressibility is psi=drho/dp at constant temperature which gives exactly rho/p for an ideal gas. Please could anyone confirm that i'm right?
In that...
Forum: OpenFOAM Running, Solving & CFD August 28, 2008, 07:51
Replies: 73
Views: 16,012
Posted By dpalko
Dear All, Does anyone know

Dear All,

Does anyone know what definition of compressibility does OpenFoam use? I found that perfectGas psi() function returns 1.0/(R()*T). Assuming that compressibility is defined as...
Forum: OpenFOAM Running, Solving & CFD September 25, 2007, 04:23
Replies: 73
Views: 16,012
Posted By dpalko
Dear all, I'm simulating he

Dear all,

I'm simulating heat trasfer to water at pressures higher than critical (22.1MPa) and in this region, the results are extremely sensitive to the accuracy of thermo-physical properties...
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