% 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. 16:24:05 % File name: ZPGTBL_Orlu_T_B_1.txt % Internal identification code: 74 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 14 % HW Overheat ratio [%]: 80 % sampling freq. [kHz]: 60000 % analog filter [kHz]: 30000 % Number of samples: 1800000 % Temperature [C]: 22.4 % atm. pressure [Pa]: 101600 % kin. viscosity [m^2/s]: 1.5233e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T B % Freestream vel. [m/s]: 11.528 % Friction velocity [m/s]: 0.47665 % Viscous length scale [m]: 3.1959e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0043047 % Momentum-loss thickness, d2 [m]: 0.0030563 % Boundary layer thickness (d99) [m]: 0.025254 % Shape Factor (H_12): 1.408 % Re_d1: 3258 % Re_d2: 2313 % Re_tau: 790 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00017267 2.43885904 0.92422201 0.63529456 3.07875981 5.40286110 5.11665576 1.93899106 0.00018378 2.57792689 0.96207399 0.58046438 2.97047345 5.75057438 5.40841609 2.01840342 0.00019394 2.69751747 0.99674870 0.55651937 2.91958350 6.06848366 5.65931368 2.09114996 0.00021378 2.95272281 1.06729971 0.46785870 2.75782833 6.68936112 6.19472710 2.23916394 0.00023379 3.20652703 1.11649093 0.39682510 2.64195020 7.31524502 6.72720101 2.34236570 0.00025411 3.42689989 1.16320803 0.33097563 2.52667806 7.95106359 7.18953690 2.44037682 0.00027379 3.64953428 1.19400730 0.27144170 2.48857275 8.56701282 7.65661740 2.50499279 0.00029411 3.83462696 1.21973389 0.23857395 2.47536255 9.20283139 8.04493650 2.55896645 0.00031999 4.12028354 1.26076975 0.17375052 2.41589958 10.01254571 8.64423575 2.64505849 0.00036063 4.42087224 1.29749329 0.09004766 2.35975233 11.28418285 9.27486216 2.72210341 0.00041175 4.74014858 1.30242905 0.02576665 2.36332385 12.88366393 9.94469468 2.73245848 0.00046540 5.00672096 1.29627129 -0.01813690 2.38328613 14.56262233 10.50395582 2.71953970 0.00055240 5.37814557 1.28551458 -0.09559319 2.43889430 17.28472057 11.28319392 2.69697243 0.00064955 5.68330095 1.26855714 -0.16089036 2.48399782 20.32472810 11.92340108 2.66139622 0.00074861 5.95092033 1.23551998 -0.19185006 2.55048520 23.42434362 12.48485881 2.59208519 0.00084545 6.13339557 1.20286725 -0.19571803 2.62770966 26.45441648 12.86768659 2.52358072 0.00094483 6.34551966 1.16395841 -0.23041079 2.68469277 29.56396666 13.31271679 2.44195109 0.00104929 6.49661683 1.14359619 -0.21241100 2.68896605 32.83247148 13.62971429 2.39923176 0.00125407 6.73911800 1.09048841 -0.19304954 2.76179031 39.24033048 14.13847473 2.28781316 0.00145410 6.89377164 1.04583084 -0.17014884 2.80303052 45.49916950 14.46293359 2.19412287 0.00165095 7.05570507 1.02094470 -0.15666145 2.82758091 51.65866187 14.80266525 2.14191246 0.00205894 7.32455892 0.98508574 -0.11622493 2.79889376 64.42472219 15.36671286 2.06668141 0.00256662 7.54916173 0.94864592 -0.06447261 2.74960690 80.31023606 15.83792307 1.99023171 0.00307462 7.76968038 0.92546283 -0.07168761 2.75344985 96.20570024 16.30056482 1.94159426 0.00356992 7.94431024 0.91369272 -0.06500691 2.73096017 111.70377782 16.66693321 1.91690091 0.00407220 8.07853431 0.89959642 -0.08602779 2.74387763 127.42041803 16.94853142 1.88732727 0.00508820 8.41543985 0.87378054 -0.09204898 2.74175180 159.21134640 17.65534951 1.83316631 0.00609023 8.64886738 0.85275999 -0.10855178 2.73510635 190.56514950 18.14507373 1.78906581 0.00709703 8.89634448 0.83056030 -0.16833010 2.75299136 222.06798822 18.66427353 1.74249151 0.00810922 9.09435017 0.80363195 -0.18176691 2.77483019 253.73970060 19.07968374 1.68599660 0.00910902 9.31392604 0.78644459 -0.22202674 2.78024021 285.02394540 19.54034758 1.64993801 0.01012121 9.51977452 0.76154104 -0.27780935 2.84721753 316.69565778 19.97221172 1.59769108 0.01213543 9.86114212 0.71081531 -0.34941064 2.90351369 379.72117327 20.68839109 1.49126997 0.01414679 10.18283307 0.66540494 -0.43567959 2.99652169 442.65719854 21.36328939 1.39600033 0.01615879 10.48944183 0.60390479 -0.58784701 3.18058491 505.61324960 22.00654571 1.26697480 0.01817238 10.74881420 0.54187071 -0.76444885 3.49769866 568.61905220 22.55070144 1.13682909 0.02018882 10.98207960 0.46908607 -1.01257366 4.11781772 631.71403212 23.04008551 0.98412901 0.02220240 11.18732314 0.38901221 -1.43438167 5.60475429 694.71952182 23.47068052 0.81613637 0.02421535 11.35139083 0.28626712 -1.87630601 8.13967091 757.70529864 23.81488978 0.60058014 0.02622672 11.44940634 0.19864415 -2.48024412 14.31667791 820.64163682 24.02052349 0.41674968 0.02823903 11.49578910 0.13289703 -2.75859637 23.18646837 883.60738786 24.11783318 0.27881412 0.03025357 11.51649151 0.08757517 -1.77464474 25.35134573 946.64291623 24.16126625 0.18373017 0.03226874 11.53021155 0.06171531 -0.58267701 23.31712486 1009.69815749 24.19005049 0.12947695 0.03428233 11.52954783 0.04673870 0.62880726 9.67442579 1072.70396009 24.18865803 0.09805644 0.03629496 11.52823129 0.03924777 0.43537286 6.90278548 1135.67972403 24.18589597 0.08234069 0.03830759 11.52347139 0.03184550 0.47214693 6.11030573 1198.65548796 24.17590983 0.06681093 0.04032022 11.51938271 0.02795609 0.29919795 6.92382428 1261.63125189 24.16733189 0.05865108 0.04334155 11.51675671 0.02293899 0.17902462 9.24974131 1356.16952512 24.16182263 0.04812534