% 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: fredag 1 augusti 2008, Kl. 11:18:26 % File name: ZPGTBL_Orlu_T_B_5.txt % Internal identification code: 70 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 23 % HW Overheat ratio [%]: 80 % sampling freq. [kHz]: 60000 % analog filter [kHz]: 30000 % Number of samples: 1800000 % Temperature [C]: 22.4 % atm. pressure [Pa]: 101700 % kin. viscosity [m^2/s]: 1.5218e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T B % Freestream vel. [m/s]: 20.0621 % Friction velocity [m/s]: 0.77614 % Viscous length scale [m]: 1.9608e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0042261 % Momentum-loss thickness, d2 [m]: 0.0030536 % Boundary layer thickness (d99) [m]: 0.025013 % Shape Factor (H_12): 1.384 % Re_d1: 5571 % Re_d2: 4026 % Re_tau: 1276 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00010118 3.90848270 1.35979060 0.73876911 3.41603211 5.16008553 5.03582045 1.75199990 0.00011118 4.22630752 1.46782891 0.69421488 3.26761514 5.67009026 5.44531662 1.89120009 0.00012197 4.51845911 1.55829064 0.61911559 3.07074440 6.22064037 5.82173454 2.00775402 0.00013181 4.78510174 1.62920200 0.58918109 3.01648761 6.72261253 6.16528587 2.09911860 0.00014197 5.11690056 1.71295202 0.50993546 2.85268664 7.24077733 6.59278662 2.20702495 0.00015213 5.37671167 1.77546907 0.45863522 2.76360728 7.75894214 6.92753599 2.28757401 0.00016198 5.66312234 1.83070563 0.42597071 2.69551985 8.26091429 7.29655712 2.35874264 0.00017214 5.92503095 1.88635125 0.38128325 2.63919803 8.77907910 7.63400897 2.43043834 0.00018198 6.23255684 1.93784474 0.33571004 2.58017827 9.28105126 8.03023566 2.49678428 0.00019309 6.42932412 1.95660277 0.28394402 2.51657819 9.84779401 8.28375724 2.52095276 0.00020325 6.67131764 1.98616042 0.25716734 2.51325135 10.36595882 8.59554982 2.55903582 0.00022309 7.06772016 2.02997214 0.20594781 2.45413708 11.37793570 9.10628814 2.61548431 0.00024310 7.44269866 2.05957136 0.15773088 2.43207518 12.39807267 9.58942305 2.65362094 0.00026342 7.79142421 2.07557431 0.11069032 2.43506620 13.43440228 10.03873276 2.67423969 0.00028342 8.02362695 2.07334610 0.08676775 2.44531802 14.45453924 10.33791057 2.67136878 0.00030342 8.30750711 2.07882948 0.04791762 2.45054871 15.47467620 10.70367131 2.67843375 0.00033041 8.70005241 2.06521654 0.00604079 2.45386662 16.85105147 11.20943987 2.66089439 0.00036772 9.07859170 2.05396987 -0.02611969 2.49146498 18.75375162 11.69716261 2.64640379 0.00041883 9.47874357 2.02421504 -0.05155550 2.52375622 21.36076830 12.21273173 2.60806667 0.00047186 9.82678501 1.98328137 -0.07881971 2.58651853 24.06494088 12.66116001 2.55532636 0.00055631 10.22689495 1.94096465 -0.09939063 2.62403868 28.37218583 13.17667509 2.50080408 0.00065378 10.58498820 1.88173514 -0.09496883 2.65659046 33.34332943 13.63805447 2.42449078 0.00075856 10.89344711 1.81727632 -0.09812764 2.72778194 38.68690400 14.03548330 2.34143987 0.00085317 11.16141750 1.78507622 -0.09482180 2.73349982 43.51231375 14.38074535 2.29995218 0.00095573 11.37198744 1.75352167 -0.06901162 2.74003266 48.74253976 14.65205074 2.25929624 0.00105002 11.57941005 1.71231178 -0.05563957 2.75444839 53.55175687 14.91930100 2.20620004 0.00125640 11.88634334 1.68501487 -0.03758924 2.74357791 64.07697949 15.31476417 2.17102977 0.00146087 12.15465495 1.64953892 -0.02771749 2.74562368 74.50504621 15.66046586 2.12532137 0.00166058 12.40321544 1.63692643 -0.01016853 2.73980310 84.69024868 15.98071955 2.10907102 0.00206825 12.78449031 1.61510854 0.00560308 2.72034547 105.48161152 16.47196690 2.08096012 0.00257561 13.24797807 1.58587893 -0.01509456 2.69289441 131.35746652 17.06914010 2.04329970 0.00308361 13.59148152 1.56860038 -0.02999924 2.70287674 157.26570681 17.51172149 2.02103744 0.00357923 13.91700029 1.55182511 -0.04604199 2.69866285 182.54240826 17.93113082 1.99942361 0.00408088 14.18985683 1.52360828 -0.04383458 2.69001514 208.12679555 18.28268835 1.96306810 0.00509720 14.67733138 1.49546103 -0.07589271 2.69351766 259.95949430 18.91076693 1.92680224 0.00610177 15.11209402 1.44279532 -0.11624401 2.73213839 311.19303949 19.47092974 1.85894597 0.00710570 15.53447054 1.41252239 -0.12894449 2.73643467 362.39419938 20.01513384 1.81994132 0.00811853 15.90043979 1.37648253 -0.17633632 2.76107688 414.04875348 20.48666092 1.77350635 0.00911960 16.24773776 1.34087818 -0.21224408 2.76466824 465.10415402 20.93413128 1.72763251 0.01013052 16.56807650 1.30117940 -0.24221400 2.80221411 516.66155221 21.34686648 1.67648326 0.01214506 17.17436536 1.22486922 -0.34846982 2.91268597 619.40404515 22.12802943 1.57816266 0.01415579 17.72339351 1.13112998 -0.44380480 3.01184788 721.95222629 22.83541574 1.45738587 0.01616842 18.24436820 1.02886959 -0.57162398 3.17385304 824.59730832 23.50665704 1.32563015 0.01818296 18.71330817 0.92424051 -0.75503527 3.51742613 927.33980126 24.11085505 1.19082253 0.02019940 19.12857528 0.80444864 -1.00317746 4.07786137 1030.17919509 24.64589916 1.03647866 0.02221171 19.48361848 0.65929329 -1.35069305 5.21796814 1132.80795698 25.10334874 0.84945563 0.02422435 19.75047622 0.50660516 -1.87923552 8.01795505 1235.45354901 25.44717722 0.65272710 0.02623634 19.92069120 0.35120380 -2.49618327 13.58536518 1338.06599074 25.66648792 0.45250278 0.02824898 20.00805640 0.23172372 -2.94530704 23.32285792 1440.71158278 25.77905218 0.29856063 0.03026415 20.04548972 0.14912446 -2.06281974 28.08877146 1543.48620602 25.82728253 0.19213696 0.03227869 20.06630770 0.10254256 -0.52572160 23.17888671 1646.22869896 25.85410511 0.13211928 0.03429164 20.07747244 0.07798584 0.58979557 13.84147565 1748.89010114 25.86849014 0.10047958 0.03630459 20.08051154 0.06137868 0.43886367 9.89516454 1851.55150333 25.87240582 0.07908235 0.03831690 20.06331384 0.05242825 0.33804002 9.39330786 1954.18026521 25.85024772 0.06755032 0.04032953 20.05038493 0.04505922 0.23602429 13.07241354 2056.82534724 25.83358968 0.05805581 0.04335150 20.06039498 0.03748923 0.16579081 22.17562240 2210.94724672 25.84648696 0.04830238