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Forum: Main CFD Forum

May 7, 2013, 10:35

Replies: 8

correct formula of Cf

Views: 1,545

Posted By mb.pejvak

I need it ti evaluate results of my code in...

I need it ti evaluate results of my code in modeling ERCOFTAC T3 cases as benchmarks in modeling transition regime and specifically for T3C that is flat plate faces a non-zero pressure gradient. ...

Forum: Main CFD Forum

May 6, 2013, 20:04

Replies: 8

correct formula of Cf

Views: 1,545

Posted By mb.pejvak

yesterday I argued with one of my friends about...

yesterday I argued with one of my friends about this problem. he mentioned a point which I had not considered it. he said that if in calculation of Cf variable Uinf (Uinf(i)) is used, effect of...

Forum: Main CFD Forum

May 5, 2013, 11:56

Replies: 8

correct formula of Cf

Views: 1,545

Posted By mb.pejvak

Thank you truffaldino. I think I found the...

Thank you truffaldino. I think I found the correct answer. because the formula is
Cf=Wall shear stress/ dynamic pressure,
and dynamic pressure is obtains from Bernouli Equation...

Forum: Main CFD Forum

May 4, 2013, 10:26

Replies: 8

correct formula of Cf

Views: 1,545

Posted By mb.pejvak

Dear truffaldino; Thank you for your reply....

Dear truffaldino;

Thank you for your reply. I know what you mean, but I did not mean Uinf(i) is velocity in boundary layer. the attached pic. shows a flat plate with variable domain width. by...

Forum: Main CFD Forum

May 4, 2013, 03:04

Replies: 8

correct formula of Cf

Views: 1,545

Posted By mb.pejvak

correct formula of Cf

hi friends;
I face a mind-boggling problem in calculation of Cf (skin friction coef.) over a flat plate which is imposed by a non-zero pressure gradient. this pressure gradient implement by changing...

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