Dear All, I am solving channel flow. I just wonder whether the undimensional values those I have calculated are correct or not? I am to draw y+ versus u+ k+ e+ **** which of Uf is correct? uf=cmu**.25*sqrt(k(first node after wall) uf=sqrt(viscosity/density*u(first node after wall)/y(first node after wall)) *****
furthermore, What is The turbulent reynolds(Ret) found in DNS data.eg Ret=180,380,590 of a channel flow?
Is it Ret=uf*H(channel Half with)/nu? at which section? should i change bulk Reynold to reach this Ret?
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