|June 9, 2006, 10:42||
DNS HIT - How to guess nu from a target Re_T?
May be that is a stupid question...
I am starting to study Homog. Isotr. Turb, and want to do some simulation, for which I must set a viscosity.
The reference I want to base my simulations on is the one from Prof. Fureby, for which several taylor-Reynolds numbers (Re_T) are used.
The problem with Re_T instead of simply Re, is that now I have to guess what is the value of integral lenght scales, etc..., before even start the simulation. Is that right?
So suppose I have a target value for Re_T = 94. How do I find what should be the value of the viscosity?
Thanks a lot.
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