Y+ calculatorInput Freestream velocity (UUU) m/s\mathrm{m/s}m/s Density (ρ\rhoρ) kg/m3\mathrm{kg/m^3}kg/m3 Dynamic viscosity (μ\muμ) Pa⋅s\mathrm{Pa} \cdot \mathrm{s}Pa⋅s Reference length (LLL) m\mathrm{m}m Target y+y+y+ Skin friction coefficient approximation Prandtl (1927)CalculateOutput Reynold's number (ReReRe) Skin friction coefficient (CfC_fCf) Shear stress (τw\tau_wτw) Pa\mathrm{Pa}Pa Friction velocity (uτu_{\tau}uτ) m/s\mathrm{m/s}m/s First layer height m\mathrm{m}m