Turbulent boundary layer measurements around a NACA 4412 wing profile Details about the experiments can be found in: Mallor, F., Sanmiguel Vila, C., Hajipour, M., Vinuesa, R., Schlatter, P. and Örlü, R. (2025) Experimental characterization of turbulent boundary layers around a NACA 4412 wing profile. Exp. Therm. Fluid Sci. 160:111327. DOI: 10.1016/j.expthermflusci.2024.111327 Contact scientist: Ramis Orlu, ramis.orlu@oslomet.no (Note that number decimal places does not indicate the accuracy of the data.) Date: 02-Dec-2024 orig. case name: HW_AoA11_Re400k_xc90 HW diameter [micron]: 2.5 HW length [mm]: 0.7 HW length in viscous units [-]: 7 HW Overheat ratio [%]: 80 sampling freq. [kHz]: 60 analog filter [kHz]: 30 Temperature [C]: 21.34 atm. pressure [Pa]: 102470 kin. viscosity [m^2/s]: 1.501e-05 Downstream position (x/c from leading edge) [-]: 0.9 Reynolds Number based on chord (Re_c): 400000 Angle of attack (pos) [degrees]: 11 Freestream vel. [m/s]: 12.607 Friction velocity [m/s]: 0.19338 Viscous length scale [m]: 7.7619e-05 Calculated values: Displacement thickness, d1 [m]: 0.015456 Momentum-loss thickness, d2 [m]: 0.0042968 Boundary layer thickness (d99) [m]: 0.029157 Shape Factor (H_12): 3.597 Re_theta: 3609 Re_tau: 376 Beta: 34.6161 y [m] U [m/s] urms [m/s] 0.00098170 0.61517242 0.14593047 0.00108913 0.64624843 0.16672602 0.00119606 0.68023375 0.18449054 0.00130298 0.70953417 0.19668058 0.00141041 0.73905038 0.21136649 0.00151733 0.74697641 0.20959235 0.00167847 0.76789568 0.23431577 0.00183911 0.80891585 0.26102692 0.00199974 0.83503455 0.27589990 0.00216038 0.85194152 0.28428945 0.00232061 0.87683714 0.29304511 0.00248125 0.91314539 0.33313943 0.00279673 0.93646208 0.34962727 0.00315517 1.01658463 0.40626939 0.00356285 1.07369280 0.47354436 0.00402912 1.17079524 0.52815143 0.00455986 1.30281532 0.67716467 0.00516485 1.42435711 0.77261508 0.00585399 1.62657034 0.96232507 0.00664022 1.83498491 1.07497150 0.00753611 2.14256225 1.32992857 0.00855729 2.53967029 1.64557900 0.00972033 2.99960244 1.89761612 0.01104715 3.65404945 2.09412061 0.01255919 4.38589232 2.40687616 0.01428160 5.30244127 2.56913666 0.01624609 6.38759666 2.68199251 0.01848444 7.69668648 2.52339289 0.02103603 9.22577686 2.17750212 0.02394383 10.79282068 1.49312148 0.02725840 12.22696690 0.51446755 0.03103610 12.73221929 0.04921439 0.03534189 12.76043861 0.01132342 0.04024952 12.77439114 0.00478053 0.04584315 12.78714524 0.00214249 0.05221854 12.79663462 0.00114469 0.05948534 12.82562493 0.00066199 0.06776754 12.85275257 0.00040316 0.07720781 12.84936613 0.00026015 0.08796819 12.84661038 0.00019703 0.10023167 12.86958249 0.00014883