|September 11, 2014, 09:12||
Size of boundary layer
Join Date: Apr 2014
Posts: 19Rep Power: 4
Hello dear Foamers,
I have a question about k-omega-SST turbulence model. There are two turb. models, connected in it; the one is for the boundary layer, and the other is for the other flow.
Does someone know "how large" is the boundary layer in case of a flow around an airfoil? It suppose to be infinite small, but I wonder how does this works in a OpenFoam simulation?
|September 12, 2014, 06:01||
Join Date: May 2011
Location: Bremen, Germany
Posts: 91Rep Power: 7
check out the book "Boundary-Layer Theory" by Schlichting & Gersten.
There you find everything on BL, including formulas for computing approximate BL thickness for flat plates. This value you can use as approximation of an airfoil`s BL.
Otherwise you can use XFOIL for BL thickness calculation.
πάντα ῥεῖ - Heraclitus
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