% 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. 17:21:09 % File name: ZPGTBL_Orlu_T_A_1.txt % Internal identification code: 65 % 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]: 22.5 % atm. pressure [Pa]: 102200 % kin. viscosity [m^2/s]: 1.5153e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T A % Freestream vel. [m/s]: 19.9435 % Friction velocity [m/s]: 0.77179 % Viscous length scale [m]: 1.9633e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0045486 % Momentum-loss thickness, d2 [m]: 0.0033038 % Boundary layer thickness (d99) [m]: 0.027479 % Shape Factor (H_12): 1.377 % Re_d1: 5987 % Re_d2: 4348 % Re_tau: 1400 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00013420 4.89698659 1.66694511 0.54644910 2.93277276 6.83543052 6.34497377 2.15984317 0.00014913 5.30993375 1.76614553 0.48644876 2.80646332 7.59548816 6.88002505 2.28837610 0.00016437 5.70085597 1.83956034 0.41376544 2.70015520 8.37171725 7.38653884 2.38349889 0.00017929 6.11079409 1.90894597 0.33455968 2.58366002 9.13177489 7.91769132 2.47340112 0.00019421 6.45578739 1.95466158 0.29212581 2.54553488 9.89183253 8.36469549 2.53263436 0.00021040 6.77407018 1.99181737 0.25933528 2.51149389 10.71657593 8.77709115 2.58077672 0.00023961 7.30499231 2.04612917 0.17489097 2.45854888 12.20434834 9.46500133 2.65114794 0.00026914 7.80405408 2.06556487 0.11182841 2.45802672 13.70829219 10.11163040 2.67633058 0.00029867 8.18928527 2.08508431 0.06794621 2.43430965 15.21223604 10.61077038 2.70162171 0.00033074 8.55805779 2.07105001 0.02204516 2.45674570 16.84555140 11.08858504 2.68343761 0.00036058 8.88958266 2.06066327 -0.00895457 2.47396441 18.36566668 11.51813831 2.66997962 0.00038979 9.14627562 2.04090098 -0.02671906 2.50714238 19.85343909 11.85073267 2.64437383 0.00043805 9.45433867 2.00746429 -0.05902179 2.53825107 22.31149785 12.24988670 2.60105026 0.00048218 9.70220647 1.98423558 -0.08039652 2.56070556 24.55932790 12.57104639 2.57095307 0.00056315 10.08949786 1.93298696 -0.08438054 2.60960720 28.68304490 13.07285575 2.50455078 0.00063744 10.34610558 1.89247954 -0.10258556 2.66203140 32.46716168 13.40533967 2.45206574 0.00079143 10.84776660 1.82149417 -0.08684992 2.69533398 40.31030970 14.05533654 2.36009074 0.00093843 11.21922406 1.76354386 -0.07324375 2.74425925 47.79768606 14.53663005 2.28500514 0.00109623 11.49009048 1.72823274 -0.04848799 2.74048065 55.83489135 14.88758881 2.23925290 0.00124418 11.69615568 1.69771524 -0.03835784 2.76007070 63.37080749 15.15458531 2.19971170 0.00154644 12.11888423 1.66312595 -0.00530000 2.73738032 78.76601763 15.70231022 2.15489471 0.00185505 12.48320227 1.63803729 -0.00731530 2.71752066 94.48465655 16.17435326 2.12238760 0.00214906 12.72624021 1.62703181 -0.00352783 2.72835853 109.45940926 16.48925495 2.10812793 0.00245830 13.02664112 1.60226405 -0.00878258 2.72106808 125.21039106 16.87848123 2.07603660 0.00306473 13.42265294 1.59114511 -0.01928297 2.67892882 156.09783996 17.39158957 2.06162991 0.00381879 13.85796922 1.55608492 -0.02570488 2.70772632 194.50498264 17.95562426 2.01620279 0.00457063 14.25409058 1.53025369 -0.04848460 2.69456439 232.79895071 18.46887452 1.98273353 0.00532469 14.60483708 1.49831234 -0.06480357 2.69897724 271.20614431 18.92333305 1.94134747 0.00608098 14.89450366 1.48435629 -0.07393584 2.69458911 309.72651253 19.29865098 1.92326476 0.00759768 15.46557102 1.41833058 -0.14889551 2.73498607 386.97745220 20.03857693 1.83771595 0.00910294 15.93152288 1.37611880 -0.18531553 2.76851692 463.64627100 20.64230583 1.78302258 0.01061615 16.40048017 1.32444303 -0.23394331 2.78961640 540.71919751 21.24992884 1.71606683 0.01212587 16.80702764 1.27088858 -0.29566409 2.85838941 617.61477299 21.77668809 1.64667690 0.01363240 17.20357829 1.21639279 -0.36046336 2.91672521 694.34787008 22.29049458 1.57606728 0.01514720 17.57827755 1.16136151 -0.42074337 2.96973849 771.50218859 22.77598845 1.50476384 0.01665500 17.91096655 1.09422883 -0.50521386 3.06784765 848.29997143 23.20705008 1.41778073 0.01816408 18.25884872 1.02591765 -0.59646408 3.19808174 925.16294936 23.65779733 1.32927065 0.02118605 18.84300550 0.87559662 -0.86388511 3.65328443 1079.08296250 24.41468310 1.13450128 0.02420738 19.33985700 0.69326292 -1.33258046 5.10633870 1232.97037809 25.05844834 0.89825343 0.02722839 19.69063679 0.47638744 -2.09777108 9.52777669 1386.84149491 25.51295000 0.61725017 0.03024781 19.86809527 0.28787943 -2.90958634 20.00521946 1540.63162720 25.74288107 0.37300233 0.03326692 19.93613982 0.15987133 -2.38469199 32.58180274 1694.40597006 25.83104568 0.20714359 0.03628825 19.95091605 0.10042042 -1.04627010 43.46341070 1848.29338565 25.85019109 0.13011368 0.03930926 19.94014686 0.07101635 0.54190650 11.95888825 2002.16450247 25.83623756 0.09201513 0.04232710 19.94618897 0.05552744 0.39879667 11.94283825 2155.87415956 25.84406626 0.07194632 0.04534684 19.93898364 0.04463619 0.20026383 15.43837527 2309.68059063 25.83473038 0.05783464 0.04836722 19.94231231 0.03760827 0.14154289 20.46271139 2463.51961924 25.83904331 0.04872863 0.05591832 19.94656780 0.02919923 -0.33941026 59.44826921 2848.12483081 25.84455710 0.03783313