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Log inlet boundary condition

Velocity profile $$ U(z)=\frac{u^*}{k}log(\frac{z+z0}{z0}) $$ Where $u^$ is friction velocity, $z0$ is friction height, Karman constant $k=0.41$, Model constant $C_{\mu}=0.09$.

Reynolds number $$ \mathrm{Re}{\mathrm{x}}=\frac{\rho U{\infty} L}{\mu} $$

Turbulence Intensity $$ I \equiv \frac{u^{\prime}}{u_{a v g}}=0.16\left(R e_{D_{H}}\right)^{-1 / 8} $$

Turbulence Length Scale $$ \ell=\frac{0.07 L}{C_{\mu}^{3 / 4}} $$

Turbulent Kinetic Energy
$$ k=\frac{3}{2}\left(u_{a v g} I\right)^{2} $$

Turbulent Dissipation Rate
$$ \varepsilon=\frac{k^{3 / 2}}{l} $$