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_AoA08_Re400k_xc60 
HW diameter [micron]:  2.5 
HW length [mm]: 0.7 
HW length in viscous units [-]: 23 
HW Overheat ratio [%]:  80 
sampling freq. [kHz]:  60 
analog filter [kHz]:  30 
Temperature [C]:  21.08 
atm. pressure [Pa]:  100490 
kin. viscosity [m^2/s]:  1.5282e-05 
Downstream position (x/c from leading edge) [-]: 0.6 
Reynolds Number based on chord (Re_c): 400000 
Angle of attack (pos) [degrees]: 8 
Freestream vel. [m/s]:  15.5833 
Friction velocity [m/s]: 0.57783 
Viscous length scale [m]: 2.6447e-05 
 
Calculated values: 
Displacement thickness, d1 [m]: 0.0023348 
Momentum-loss thickness, d2 [m]: 0.0013739 
Boundary layer thickness (d99) [m]: 0.0088492 
Shape Factor (H_12): 1.699 
Re_theta:  1401 
Re_tau:   335 
Beta: 2.0363 
 
 
y [m]	U [m/s]	urms [m/s]
  0.00017580   3.79383878   1.83003016 
  0.00020176   4.12628873   2.04002615 
  0.00022772   4.48939428   2.24083476 
  0.00025342   4.77550480   2.34326944 
  0.00038927   5.71857753   2.44729993 
  0.00041523   5.90700312   2.51808014 
  0.00044119   6.06902608   2.44069024 
  0.00046689   6.21264133   2.41171583 
  0.00049285   6.31918014   2.39293756 
  0.00051881   6.44641701   2.37186323 
  0.00054477   6.54796853   2.35045427 
  0.00057073   6.67878473   2.31249284 
  0.00059643   6.78918802   2.29350949 
  0.00062239   6.83046187   2.25105676 
  0.00064835   6.92379656   2.25804121 
  0.00067431   7.00337442   2.21200418 
  0.00067431   7.02947447   2.23144186 
  0.00072597   7.16733273   2.20632589 
  0.00077790   7.32729087   2.14766711 
  0.00082982   7.48006181   2.10344009 
  0.00088148   7.60007772   2.10143043 
  0.00093340   7.67385157   2.06120829 
  0.00098506   7.78987110   2.04638857 
  0.00106294   7.91392211   2.01363939 
  0.00114056   8.03159379   1.96958047 
  0.00121818   8.15584202   1.96216627 
  0.00129606   8.24737558   1.93995440 
  0.00137368   8.39292074   1.95441454 
  0.00145156   8.49599701   1.94503788 
  0.00158716   8.64107656   1.94004706 
  0.00174073   8.85615013   1.92818743 
  0.00191272   9.07768706   1.95464822 
  0.00210655   9.32539240   1.95801814 
  0.00232511   9.56141001   1.97998108 
  0.00256964   9.84049167   1.96501341 
  0.00284644  10.13469279   1.98832241 
  0.00315718  10.47188021   1.97171751 
  0.00350651  10.89723167   1.95930225 
  0.00389926  11.30521887   1.88765571 
  0.00434173  11.76504904   1.82849805 
  0.00483903  12.33015250   1.70155583 
  0.00539964  12.89562184   1.55855488 
  0.00602990  13.54338466   1.33625472 
  0.00673847  14.20630044   1.03826005 
  0.00753563  14.84619746   0.65595754 
  0.00843295  15.33869166   0.25392578 
  0.00944235  15.55389484   0.06515571 
  0.01057815  15.57350303   0.01816023 
  0.01185681  15.53807017   0.00721832 
  0.01329413  15.51315300   0.00319727 
  0.01491169  15.49441505   0.00161438 
  0.01673159  15.46538675   0.00085339 
  0.01877925  15.45674858   0.00050871 
  0.02108285  15.42637973   0.00033411 
  0.02367464  15.39568249   0.00024740 
  0.02659077  15.35933594   0.00020318 
  0.02987150  15.31186070   0.00018385 
  0.03356295  15.28365308   0.00016898