% 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 30 juli 2008, Kl. 15:10:08 % File name: ZPGTBL_Orlu_T_A_4.txt % Internal identification code: 63 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 34 % HW Overheat ratio [%]: 80 % sampling freq. [kHz]: 60000 % analog filter [kHz]: 30000 % Number of samples: 1800000 % Temperature [C]: 22.5 % atm. pressure [Pa]: 102300 % kin. viscosity [m^2/s]: 1.5138e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T A % Freestream vel. [m/s]: 29.9222 % Friction velocity [m/s]: 1.1212 % Viscous length scale [m]: 1.3502e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.004335 % Momentum-loss thickness, d2 [m]: 0.0032047 % Boundary layer thickness (d99) [m]: 0.027225 % Shape Factor (H_12): 1.353 % Re_d1: 8569 % Re_d2: 6335 % Re_tau: 2016 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00010720 8.25930374 2.62778467 0.48699528 2.86645076 7.93974921 7.36655977 2.34374875 0.00011752 8.77417075 2.70881652 0.43003732 2.76718765 8.70390832 7.82577506 2.41602191 0.00012768 9.15502055 2.76350018 0.39023904 2.71739660 9.45640230 8.16545900 2.46479484 0.00013784 9.59346953 2.81193217 0.33416457 2.64507539 10.20889627 8.55651624 2.50799184 0.00014768 10.01629634 2.86211751 0.30093495 2.60898938 10.93787481 8.93363991 2.55275267 0.00015784 10.32792286 2.87773706 0.27237540 2.59754484 11.69036879 9.21158289 2.56668391 0.00016768 10.72254875 2.90114722 0.24199805 2.58054285 12.41934732 9.56355386 2.58756368 0.00017816 11.04920269 2.91795878 0.20066526 2.54608401 13.19535674 9.85489994 2.60255808 0.00019800 11.64086239 2.93087199 0.16284482 2.54069334 14.66497895 10.38260744 2.61407551 0.00021928 12.18028003 2.93765756 0.12360211 2.53931605 16.24051321 10.86371970 2.62012763 0.00023928 12.62688300 2.93709662 0.09660488 2.53694172 17.72198572 11.26204958 2.61962733 0.00025928 13.00254539 2.91986036 0.07907957 2.54924863 19.20345823 11.59710681 2.60425412 0.00027928 13.34612418 2.89841954 0.04771613 2.56347697 20.68493075 11.90354835 2.58513083 0.00029929 13.64369287 2.88256440 0.03341175 2.56556865 22.16640326 12.16895298 2.57098947 0.00032246 14.04458310 2.85114319 0.02448059 2.60570278 23.88303014 12.52651119 2.54296456 0.00035485 14.44591952 2.80666430 -0.00113239 2.62794171 26.28160468 12.88446736 2.50329337 0.00040851 14.88408112 2.75747824 -0.00682573 2.66929674 30.25571349 13.27526829 2.45942381 0.00045931 15.23782921 2.70942566 -0.00316546 2.67674571 34.01818336 13.59077993 2.41656521 0.00055948 15.85696411 2.63300986 -0.02204534 2.69939648 41.43739623 14.14299286 2.34840916 0.00065822 16.29553049 2.59256072 0.01190524 2.73338936 48.75069704 14.53415481 2.31233214 0.00075823 16.70469835 2.53823406 0.00718740 2.74640973 56.15805961 14.89909593 2.26387762 0.00085571 17.02380562 2.51399627 0.02643121 2.74118839 63.37729868 15.18371105 2.24225968 0.00106399 17.58718823 2.47867427 0.03291958 2.74337126 78.80342516 15.68619792 2.21075561 0.00126433 18.03163857 2.46680417 0.02935860 2.71602706 93.64170276 16.08260785 2.20016855 0.00146499 18.43023140 2.45258677 0.02761448 2.70927221 108.50345876 16.43811698 2.18748790 0.00166628 18.78924415 2.44426910 0.03056899 2.69571408 123.41224563 16.75832422 2.18006928 0.00207332 19.38999522 2.42896402 0.00450705 2.67769162 153.55903550 17.29414041 2.16641852 0.00258132 20.03356024 2.38283549 -0.01265548 2.68311692 191.18373423 17.86814281 2.12527601 0.00308583 20.54632518 2.36819720 -0.02539712 2.66864578 228.54972614 18.32548325 2.11221995 0.00358557 21.00857790 2.34384042 -0.05237945 2.67922873 265.56302352 18.73777131 2.09049589 0.00408532 21.43122589 2.31514246 -0.07023175 2.67855287 302.57632090 19.11473548 2.06489988 0.00510195 22.12082713 2.23160916 -0.09857476 2.71317151 377.87274925 19.72979808 1.99039565 0.00610843 22.69280381 2.18534494 -0.12242161 2.71931161 452.41668363 20.23995009 1.94913211 0.00711268 23.24998558 2.13897141 -0.14697887 2.75437178 526.79604698 20.73690636 1.90777107 0.00812265 23.75058525 2.07845420 -0.16935236 2.76299402 601.59861412 21.18339646 1.85379513 0.00912690 24.22556768 2.03047486 -0.19288351 2.74728431 675.97797747 21.60703828 1.81100186 0.01013433 24.63987349 1.99426108 -0.24070846 2.77637002 750.59279145 21.97656199 1.77870241 0.01113921 25.05098779 1.91643776 -0.26056904 2.80556281 825.01859316 22.34323915 1.70929097 0.01214632 25.45264083 1.86874729 -0.31098517 2.86858122 899.60955840 22.70147771 1.66675534 0.01416213 26.21438733 1.75733356 -0.39609219 2.93965633 1048.90925124 23.38088742 1.56738426 0.01617540 26.88129730 1.64498992 -0.48837471 3.03395401 1198.02082059 23.97571142 1.46718379 0.01819089 27.54271179 1.50543378 -0.61555521 3.18874993 1347.29681283 24.56563396 1.34271221 0.02020670 28.12765833 1.37335966 -0.81405630 3.54915144 1496.59650567 25.08735392 1.22491391 0.02221901 28.63773550 1.21994966 -1.06570876 4.16764381 1645.63697323 25.54229711 1.08808592 0.02423101 29.10585770 1.01175944 -1.38812908 5.29175082 1794.65448083 25.95982021 0.90239887 0.02624269 29.46876763 0.79611919 -1.90594966 8.02163914 1943.64828783 26.28350339 0.71006707 0.02825532 29.70026248 0.59449052 -2.53528958 13.47221504 2092.71245598 26.48997608 0.53023234 0.03027113 29.84095958 0.40989065 -2.93231642 21.03805710 2242.01214882 26.61546530 0.36558578 0.03228535 29.89887388 0.28379162 -2.85557412 30.66063991 2391.19407932 26.66711967 0.25311673 0.03731963 29.94590890 0.13206118 0.22433416 19.49926355 2764.05484381 26.70907070 0.11778676 0.04033715 29.95030180 0.09795816 0.41330592 14.97432430 2987.54555432 26.71298878 0.08736991