% 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. 10:22:02 % File name: ZPGTBL_Orlu_T_B_7.txt % Internal identification code: 69 % 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]: 22.4 % 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]: 29.9673 % Friction velocity [m/s]: 1.1228 % Viscous length scale [m]: 1.3554e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0040013 % Momentum-loss thickness, d2 [m]: 0.0029207 % Boundary layer thickness (d99) [m]: 0.024137 % Shape Factor (H_12): 1.370 % Re_d1: 7879 % Re_d2: 5751 % Re_tau: 1781 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00009297 7.29191255 2.38494263 0.63126805 3.13686892 6.85929567 6.49457530 2.12416007 0.00010297 7.91553890 2.52935293 0.53730289 2.94105553 7.59707578 7.05001096 2.25277977 0.00011345 8.37165005 2.61856207 0.48400498 2.83848645 8.37008489 7.45624844 2.33223430 0.00012361 8.84781253 2.68343619 0.42656190 2.76533299 9.11966948 7.88034474 2.39001473 0.00013345 9.33001031 2.76538205 0.37193021 2.67601913 9.84582955 8.30981640 2.46300019 0.00014361 9.72450517 2.79930688 0.32687644 2.63288772 10.59541414 8.66117505 2.49321549 0.00015345 10.15619938 2.84821235 0.28716846 2.59567681 11.32157421 9.04566548 2.53677337 0.00016361 10.50544748 2.87059167 0.25922230 2.56947714 12.07115880 9.35672490 2.55670562 0.00017346 10.92247635 2.89940300 0.21315891 2.53620309 12.79731888 9.72815357 2.58236656 0.00018489 11.19098999 2.91474689 0.19358127 2.52336011 13.64060154 9.96730647 2.59603267 0.00019505 11.47001860 2.91993714 0.17816631 2.53088689 14.39018613 10.21582458 2.60065538 0.00021489 12.03677675 2.92314484 0.13847196 2.52967142 15.85412631 10.72061032 2.60351234 0.00023489 12.48309677 2.91838503 0.09554328 2.52492517 17.32987097 11.11812729 2.59927299 0.00025489 12.89784921 2.92171662 0.07401155 2.52459787 18.80561564 11.48752845 2.60224028 0.00027490 13.23809397 2.89275735 0.05604347 2.54459900 20.28136030 11.79056900 2.57644758 0.00029490 13.58656429 2.87224571 0.03303271 2.56015343 21.75710496 12.10093569 2.55817879 0.00031871 13.99633795 2.83398381 0.03315486 2.59225711 23.51394384 12.46590248 2.52410066 0.00036157 14.46195561 2.78934339 0.00213413 2.61299153 26.67625384 12.88060698 2.48434146 0.00041460 14.93891455 2.73631725 0.00249593 2.65598334 30.58814842 13.30541264 2.43711349 0.00046571 15.30747244 2.67630480 -0.00337056 2.67406730 34.35949589 13.63367042 2.38366312 0.00054588 15.78225668 2.62303088 -0.01436880 2.69457439 40.27427902 14.05653917 2.33621446 0.00063891 16.22508391 2.56013390 -0.00777712 2.73617144 47.13766293 14.45094527 2.28019498 0.00074369 16.61775140 2.51728819 0.00424443 2.74101202 54.86775401 14.80067637 2.24203425 0.00083957 17.02988433 2.48940276 0.01130402 2.74810595 61.94195859 15.16774445 2.21719796 0.00093800 17.28160228 2.47160555 0.03002603 2.72118045 69.20355931 15.39193819 2.20134680 0.00103928 17.56824229 2.45601269 0.02164373 2.73189741 76.67598069 15.64723543 2.18745894 0.00125074 17.98001968 2.43285541 0.02877760 2.70985079 92.27674687 16.01398685 2.16683381 0.00144949 18.39538926 2.41318773 0.02979363 2.70193176 106.94049542 16.38393767 2.14931670 0.00164952 18.77621262 2.39265709 0.00943258 2.68914785 121.69794204 16.72311973 2.13103099 0.00205814 19.36521151 2.37185372 0.00915496 2.70383085 151.84526040 17.24771430 2.11250238 0.00256614 19.98189565 2.35825194 -0.01368500 2.67950885 189.32448993 17.79696684 2.10038788 0.00307223 20.55079992 2.32439753 -0.03815320 2.67264227 226.66317234 18.30366404 2.07023530 0.00357039 21.02830435 2.29667043 -0.04957146 2.66663710 263.41627868 18.72895555 2.04554003 0.00407014 21.44171895 2.26416497 -0.06387388 2.69582927 300.28647072 19.09716515 2.01658890 0.00508582 22.19291054 2.20280461 -0.08365643 2.70358364 375.22146836 19.76621738 1.96193801 0.00609166 22.83784017 2.13091001 -0.12647402 2.71149195 449.43034281 20.34062691 1.89790475 0.00709718 23.41241587 2.07378949 -0.16071754 2.73739274 523.61582963 20.85237539 1.84703010 0.00810905 23.98451462 2.01696420 -0.19747914 2.75981094 598.26973305 21.36191776 1.79641840 0.00911235 24.52069399 1.96202258 -0.24100347 2.79573642 672.29121136 21.83946837 1.74748439 0.01012105 24.96768400 1.90488449 -0.28204467 2.83553084 746.71109092 22.23758207 1.69659409 0.01213622 25.88038000 1.77855886 -0.38657567 2.94305678 895.38632509 23.05047894 1.58408159 0.01414822 26.70654541 1.62412653 -0.49296366 3.07184178 1043.82768296 23.78630694 1.44653573 0.01616022 27.50135507 1.46852443 -0.64258097 3.27672148 1192.26904083 24.49420781 1.30794801 0.01817444 28.16396293 1.30080245 -0.84683165 3.70712744 1340.87418589 25.08436253 1.15856566 0.02019151 28.75596738 1.10507367 -1.12834624 4.42793347 1489.68959827 25.61163401 0.98423892 0.02220383 29.26414976 0.87257954 -1.59234312 6.29958968 1638.15456511 26.06424897 0.77716696 0.02421614 29.61296325 0.63322733 -2.22202875 10.53773104 1786.61879416 26.37492130 0.56398682 0.02622878 29.82592185 0.41507415 -2.83422762 19.16786508 1935.10736996 26.56459385 0.36968769 0.02824141 29.91769164 0.26535504 -2.83665217 30.13697035 2083.59520798 26.64632903 0.23633968 0.03025658 29.93564584 0.17731419 -1.56449784 32.01086283 2232.27044215 26.66232002 0.15792569 0.03227112 29.97407817 0.12862800 -0.26277511 26.20356936 2380.89919617 26.69654996 0.11456312 0.03428343 29.98366305 0.10024197 0.66345012 13.91073159 2529.36342522 26.70508678 0.08928097 0.03629638 29.97871649 0.08518633 0.33416855 15.56188457 2677.87487220 26.70068110 0.07587160 0.03830870 29.99013531 0.07241518 0.06897443 17.70579914 2826.33983904 26.71085132 0.06449692 0.04032197 29.98393070 0.06344991 -0.04431504 25.57131524 2974.87489498 26.70532516 0.05651196 0.04334361 29.98570817 0.05758768 -0.48354213 36.05264221 3197.80548375 26.70690827 0.05129073