% Turbulent boundary layer measurement in the MTL wind tunnel, % KTH July-August 2008, Version 1.5, 18-Dec-2013 % % The experiment is described in detail in: Ramis Orlu (2009) % Experimental studies in jet flows and % zero pressure-gradient turbulent boundary layers, PhD thesis, % KTH Mechanics, Stockholm, Sweden % http://www.mech.kth.se/mech/info_defense.jsp?DefenseID=560 % Reference: Orlu and Schlatter (2013) Comparison of % experiments and simulations for zero pressure gradient % turbulent boundary layers at moderate Reynolds numbers. % Exp. Fluids, 43:1547; http://dx.doi.org/10.1007/s00348-013-1547-x % % (Note that integral quantities are computed by following the scheme % outlined in Schlatter and Orlu [2010, J. Fluid Mech., 659, 116-126]; % number of decimal places does not indicate accuracy of data.) % % Measurements done by: Ramis Orlu, % Contact: ramis@mech.kth.se % % Timestamp: onsdag 6 augusti 2008, Kl. 16:42:25 % File name: ZPGTBL_Orlu_T_C_2.txt % Internal identification code: 80 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 20 % HW Overheat ratio [%]: 80 % sampling freq. [kHz]: 60000 % analog filter [kHz]: 30000 % Number of samples: 2700000 % Temperature [C]: 20.9 % atm. pressure [Pa]: 101600 % kin. viscosity [m^2/s]: 1.5096e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T C % Freestream vel. [m/s]: 16.6762 % Friction velocity [m/s]: 0.65751 % Viscous length scale [m]: 2.296e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.004449 % Momentum-loss thickness, d2 [m]: 0.0031869 % Boundary layer thickness (d99) [m]: 0.025796 % Shape Factor (H_12): 1.396 % Re_d1: 4915 % Re_d2: 3520 % Re_tau: 1124 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00011466 3.16805802 1.15860169 0.75247870 3.40422893 4.99398241 4.81827822 1.76210955 0.00012450 3.43443963 1.24147393 0.67294601 3.21703124 5.42266162 5.22341623 1.88814938 0.00013498 3.62874945 1.31039120 0.62599889 3.08878410 5.87899755 5.51894073 1.99296520 0.00014451 3.86569899 1.37873716 0.57908546 2.98732111 6.29384840 5.87931570 2.09691210 0.00016498 4.33155445 1.48741434 0.47614878 2.77442814 7.18572328 6.58783215 2.26219851 0.00018594 4.73335287 1.58087570 0.40068338 2.66165043 8.09839515 7.19892467 2.40434326 0.00020594 5.11704806 1.63703092 0.32532438 2.55651722 8.96958193 7.78248412 2.48974936 0.00022690 5.45721667 1.69319909 0.26336403 2.50277386 9.88225380 8.29984428 2.57517515 0.00024690 5.76960528 1.72459770 0.20779171 2.44990416 10.75344058 8.77495402 2.62292908 0.00027452 6.07683174 1.74222236 0.15541736 2.42865376 11.95650804 9.24221269 2.64973432 0.00029675 6.46430256 1.76772216 0.08862826 2.41828395 12.92449335 9.83151447 2.68851679 0.00031802 6.77050196 1.77611097 0.05139834 2.42977327 13.85099358 10.29721108 2.70127528 0.00037898 7.22791763 1.76906676 -0.01248601 2.45269709 16.50603901 10.99289150 2.69056179 0.00042946 7.56487460 1.75452121 -0.04913945 2.48000573 18.70474851 11.50536710 2.66843956 0.00052614 8.12393551 1.70415195 -0.10445398 2.54377018 22.91553907 12.35563910 2.59183329 0.00063568 8.48239306 1.65115613 -0.12160138 2.62373494 27.68632383 12.90081478 2.51123230 0.00073633 8.79589783 1.60162400 -0.13475437 2.66369222 32.06991446 13.37762210 2.43589921 0.00083221 9.05840321 1.55180478 -0.13529312 2.71857504 36.24607967 13.77686477 2.36012949 0.00104144 9.42422090 1.48132923 -0.10577215 2.77226762 45.35896998 14.33323444 2.25294370 0.00124845 9.71805065 1.44312823 -0.08494968 2.75646817 54.37506176 14.78011814 2.19484406 0.00144467 9.92203047 1.40734728 -0.04688336 2.76297002 62.92098924 15.09034968 2.14042505 0.00164596 10.14541145 1.39031741 -0.03087762 2.75333467 71.68817051 15.43008832 2.11452444 0.00206157 10.48050792 1.36659135 -0.01231081 2.74393841 89.78951765 15.93973430 2.07843962 0.00257719 10.83298426 1.32751837 -0.00730959 2.72922327 112.24677693 16.47581319 2.01901380 0.00309122 11.15321542 1.32201319 -0.01547311 2.69886905 134.63487262 16.96285063 2.01064100 0.00359573 11.41560529 1.30258426 -0.02211963 2.69201378 156.60816101 17.36191762 1.98109168 0.00410183 11.64660104 1.29497380 -0.04068926 2.69145781 178.65056944 17.71323751 1.96951698 0.00512926 12.04433014 1.25540497 -0.07070877 2.72211034 223.39914765 18.31814103 1.90933701 0.00615288 12.41567623 1.22938547 -0.09220813 2.70421579 267.98178552 18.88291881 1.86976413 0.00716665 12.74967384 1.20003404 -0.13127711 2.72946906 312.13572241 19.39089355 1.82512373 0.00818869 13.06432292 1.16785561 -0.16663846 2.75651302 356.64924025 19.86944121 1.77618378 0.00920405 13.35186394 1.13703772 -0.19232749 2.78084443 400.87234072 20.30676043 1.72931304 0.01022609 13.62607014 1.11142672 -0.22732149 2.79985663 445.38603277 20.72379881 1.69036146 0.01124844 13.90185877 1.07814311 -0.27551677 2.83633496 489.91335720 21.14324389 1.63974063 0.01226190 14.16273926 1.04412457 -0.31642170 2.85210087 534.05348750 21.54001528 1.58800206 0.01430374 14.63595075 0.96815927 -0.41845279 2.97986619 622.98357221 22.25971945 1.47246694 0.01634495 15.06987928 0.89484869 -0.53680468 3.09530697 711.88621797 22.91967845 1.36096937 0.01838457 15.46662331 0.80655301 -0.70078853 3.38872832 800.71961303 23.52308379 1.22668107 0.02042069 15.81054498 0.70642811 -0.91513941 3.80817154 889.40056946 24.04615195 1.07440178 0.02245873 16.13388024 0.59077924 -1.29315520 5.02499503 978.16514937 24.53791038 0.89851219 0.02449612 16.37815144 0.45756194 -1.75560655 7.23273709 1066.90141925 24.90942082 0.69590289 0.02653765 16.53655181 0.32630258 -2.35774694 11.97441561 1155.81800226 25.15033088 0.49627140 0.02857536 16.63100586 0.21886552 -2.84380735 20.60911075 1244.56820938 25.29398542 0.33287110 0.03061340 16.67530331 0.14178627 -2.45824565 28.11227172 1333.33278929 25.36135711 0.21564178 0.03265048 16.67369835 0.09617204 -1.06171797 26.26243907 1422.05555746 25.35891614 0.14626741 0.03774921 16.68065269 0.05088084 0.50000495 8.14863568 1644.12510788 25.36949294 0.07738433 0.04080673 16.67954154 0.03948782 0.46893205 7.35594643 1777.29201254 25.36780300 0.06005676 0.04386521 16.67682859 0.03318255 0.25743164 8.22285543 1910.50072893 25.36367690 0.05046712