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SubGrid Sacle prandtl number

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Old   March 17, 2010, 08:32
Default SubGrid Sacle prandtl number
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turbulent man is on a distinguished road
Hi all Foamers
I am using “buoyant PisoFoam” solver in OPENFOAM to simulate a large eddy simulation of forced convection in channel. My problem is about the Prt (or subgrid scale turbulent “Pr” number; Pr SGS).
I want to use a variable Prt , based on Y-plus instead of constant Prt of 0.85, but I don’t know how could I do this task?? Or how could I change the Prt and write a profile for it instead of constant value.
Any help could be useful for me.
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