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Forum: OpenFOAM Running, Solving & CFD

May 22, 2012, 07:48

Replies: 10

kappatWallFunction

Views: 3,748

Posted By chkath

Thank you for your reply! It looks much more...

Thank you for your reply!

It looks much more clear for me, but I still have questions:

Why is T_w = 0 at the wall?

And you wrote: "multiplying with y_p/T_p leads to:

kappa_t = (mu c_p ...

Forum: OpenFOAM Running, Solving & CFD

May 22, 2012, 04:56

Replies: 10

kappatWallFunction

Views: 3,748

Posted By chkath

Hi, can anybody tell me how Anne derived the...

Hi,

can anybody tell me how Anne derived the boundary condition:

kappa_t = mu *cp (y+ / (Pr_t * (log(Ey+)/kappa + P) - 1/Pr)

from the equation:

q = kappa_t T_p / y_p = [(T_w -T_p) rho c_p...

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