% 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. 15:14:48 % File name: ZPGTBL_Orlu_T_C_3.txt % Internal identification code: 79 % 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]: 17.1291 % Friction velocity [m/s]: 0.67351 % Viscous length scale [m]: 2.2415e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.004422 % Momentum-loss thickness, d2 [m]: 0.0031731 % Boundary layer thickness (d99) [m]: 0.025763 % Shape Factor (H_12): 1.394 % Re_d1: 5017 % Re_d2: 3600 % Re_tau: 1149 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00011491 3.33648988 1.20487237 0.73095145 3.37415541 5.12638666 4.95388650 1.78894622 0.00012475 3.57867468 1.29011451 0.66933017 3.18372199 5.56549828 5.31347278 1.91551034 0.00013491 3.83416677 1.37311735 0.62495867 3.08729408 6.01877479 5.69281721 2.03874963 0.00014475 4.07180053 1.43630518 0.55851005 2.91204471 6.45788641 6.04564630 2.13256838 0.00016523 4.55931862 1.54827562 0.45564935 2.75272493 7.37146611 6.76949363 2.29881762 0.00018618 4.96642706 1.63301041 0.37628328 2.60971273 8.30634891 7.37395192 2.42462843 0.00020619 5.35346922 1.70071125 0.29617253 2.51024555 9.19873704 7.94861661 2.52514792 0.00022714 5.69136718 1.73773132 0.24534274 2.49139670 10.13361985 8.45031396 2.58011384 0.00025222 6.02825472 1.76816055 0.19336855 2.46312670 11.25264623 8.95051108 2.62529394 0.00026715 6.31605547 1.79504214 0.14298073 2.42121204 11.91839610 9.37782611 2.66520666 0.00029223 6.68696225 1.81076586 0.08719639 2.41334245 13.03742249 9.92853364 2.68855260 0.00032461 7.03218016 1.82231773 0.05494011 2.42620128 14.48224137 10.44109936 2.70570436 0.00037986 7.48688180 1.81101256 -0.00763734 2.44717992 16.94693239 11.11622213 2.68891889 0.00042780 7.84949007 1.78618670 -0.05312385 2.49012267 19.08583092 11.65460836 2.65205845 0.00053274 8.39071529 1.73116527 -0.10810194 2.56456943 23.76738315 12.45819788 2.57036484 0.00063529 8.75756523 1.68388027 -0.12204127 2.64056092 28.34264292 13.00288199 2.50015796 0.00073625 9.06881222 1.62992438 -0.12748684 2.66258327 32.84707825 13.46500904 2.42004642 0.00082928 9.30610542 1.58440343 -0.13175936 2.71583431 36.99739129 13.81733248 2.35245873 0.00103788 9.69479921 1.52227508 -0.09572665 2.75115592 46.30372465 14.39444945 2.26021305 0.00124616 10.00450508 1.47272358 -0.07792170 2.73929406 55.59589311 14.85428832 2.18664097 0.00145095 10.23907724 1.44326811 -0.04764738 2.77051409 64.73227008 15.20257166 2.14290666 0.00165034 10.45288620 1.41929520 -0.03891051 2.74630161 73.62782159 15.52002663 2.10731264 0.00206277 10.79473476 1.38911778 -0.01830267 2.73660722 92.02799262 16.02758968 2.06250643 0.00257871 11.15835837 1.37070738 -0.00594151 2.72094656 115.04596272 16.56748346 2.03517140 0.00309147 11.48451465 1.34993309 -0.02188735 2.70309113 137.92223929 17.05174722 2.00432656 0.00359598 11.74321750 1.33483980 -0.02515597 2.69813826 160.43027331 17.43585886 1.98191665 0.00410302 11.96598429 1.31509329 -0.02739437 2.69442667 183.05158185 17.76661407 1.95259783 0.00512918 12.41162631 1.28926180 -0.06487805 2.70519784 228.83250939 18.42828547 1.91424426 0.00615185 12.77200949 1.25446757 -0.09538994 2.70758581 274.45764544 18.96336798 1.86258319 0.00716626 13.12015570 1.22341987 -0.13309629 2.74303396 319.71444971 19.48028153 1.81648481 0.00819020 13.43972193 1.20568011 -0.15269096 2.73793465 365.39624532 19.95476066 1.79014552 0.00920430 13.73156111 1.16999075 -0.20649002 2.78006150 410.63890700 20.38807179 1.73715538 0.01022601 14.02850993 1.13327679 -0.22873576 2.82696083 456.22161530 20.82896950 1.68264398 0.01124772 14.31669786 1.09493081 -0.28253376 2.85016322 501.80401130 21.25685938 1.62570940 0.01226214 14.56383320 1.06398158 -0.31498163 2.87738446 547.06117248 21.62379604 1.57975722 0.01430334 15.05395007 0.99410947 -0.41806930 2.97200060 638.12692177 22.35150192 1.47601391 0.01634487 15.48573446 0.91188022 -0.54474082 3.14300905 729.20739363 22.99259809 1.35392322 0.01838512 15.89228978 0.81938762 -0.69728023 3.36784509 820.23075979 23.59623514 1.21659391 0.02042125 16.26875462 0.71689322 -0.94325150 3.90785848 911.07031697 24.15519506 1.06441434 0.02245897 16.57654458 0.60027091 -1.28888890 4.97269136 1001.98081014 24.61218925 0.89125820 0.02449636 16.81321506 0.46191159 -1.78178079 7.42610439 1092.87658074 24.96358811 0.68582783 0.02653789 16.98914317 0.32964748 -2.41233105 12.68464668 1183.95705260 25.22479912 0.48944737 0.02857592 17.07868477 0.21855322 -2.92533286 21.71263826 1274.88137606 25.35774690 0.32449907 0.03061364 17.11431378 0.14162719 -2.54384062 30.38155683 1365.79186922 25.41064742 0.21028237 0.03265072 17.13820006 0.09574498 -0.72149367 23.70396635 1456.67380954 25.44611282 0.14215832 0.03774881 17.13571583 0.05193354 0.58457942 7.85520684 1684.11912888 25.44242433 0.07710885 0.04080697 17.13834848 0.04063215 0.39656158 7.04549800 1820.55535848 25.44633318 0.06032899 0.04386577 17.13190318 0.03411020 0.25530971 8.77738845 1957.02014093 25.43676346 0.05064546