% 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. 14:41:48 % File name: ZPGTBL_Orlu_T_B_6.txt % Internal identification code: 72 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 32 % 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]: 28.0835 % Friction velocity [m/s]: 1.0565 % Viscous length scale [m]: 1.4419e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0040041 % Momentum-loss thickness, d2 [m]: 0.0029154 % Boundary layer thickness (d99) [m]: 0.024025 % Shape Factor (H_12): 1.373 % Re_d1: 7382 % Re_d2: 5375 % Re_tau: 1666 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00008774 6.23191458 2.08171150 0.69246762 3.29255266 6.08526381 5.89878166 1.97043163 0.00009806 6.78346102 2.23479992 0.61441859 3.10640268 6.80081820 6.42084466 2.11533656 0.00010822 7.26171359 2.34354958 0.54596444 2.94452518 7.50544942 6.87353178 2.21827291 0.00011838 7.69249673 2.45466356 0.49941861 2.86233587 8.21008063 7.28128699 2.32344718 0.00012822 8.17029860 2.51543163 0.42869076 2.74814278 8.89269213 7.73354751 2.38096683 0.00013838 8.57883353 2.57316662 0.38585002 2.68648079 9.59732335 8.12024381 2.43561555 0.00014823 8.99323404 2.63986517 0.33158214 2.62778253 10.27993484 8.51249215 2.49874866 0.00015839 9.35409868 2.68204478 0.29618108 2.58433407 10.98456606 8.85406643 2.53867352 0.00016823 9.74890165 2.70744033 0.26072992 2.55975177 11.66717755 9.22776483 2.56271153 0.00017934 10.08349686 2.73847200 0.22290243 2.53032571 12.43786795 9.54447394 2.59208437 0.00018982 10.36564111 2.73990096 0.19917667 2.52886479 13.16451889 9.81153590 2.59343695 0.00020966 10.87045677 2.77193270 0.16564978 2.51924327 14.54066505 10.28936615 2.62375640 0.00022966 11.32644448 2.77255246 0.11063358 2.50638182 15.92790776 10.72097861 2.62434303 0.00024967 11.78932086 2.76224886 0.08819888 2.50995745 17.31515047 11.15911149 2.61459022 0.00026967 12.15874966 2.75897191 0.06291405 2.52891689 18.70239319 11.50879212 2.61148844 0.00028967 12.45840751 2.73481426 0.05281575 2.54770909 20.08963590 11.79243148 2.58862216 0.00031444 12.90240332 2.71569688 0.02591234 2.54604094 21.80717449 12.21269307 2.57052672 0.00035349 13.34552717 2.67185752 -0.00349733 2.58740742 24.51560074 12.63212931 2.52903084 0.00041032 13.84742273 2.62368624 -0.02361609 2.61343381 28.45713162 13.10719557 2.48343459 0.00046176 14.18344999 2.57652481 -0.02155408 2.65637949 32.02432717 13.42526018 2.43879422 0.00053589 14.67905851 2.50795731 -0.02222925 2.69095709 37.16601978 13.89437546 2.37389206 0.00063908 15.11774732 2.44365541 -0.02389202 2.72077506 44.32243060 14.30961375 2.31302748 0.00073814 15.49157369 2.39856247 -0.00754925 2.74090883 51.19258498 14.66345688 2.27034503 0.00083942 15.83835336 2.35945850 0.00109805 2.74019868 58.21687745 14.99169911 2.23333140 0.00093277 16.13647583 2.33960333 0.01242263 2.73779353 64.69067677 15.27388515 2.21453761 0.00103881 16.38780124 2.31738483 0.01343097 2.73044598 72.04526511 15.51177573 2.19350682 0.00124551 16.80026532 2.28582274 0.03212892 2.71588320 86.38014115 15.90219115 2.16363191 0.00144490 17.20373168 2.26469961 0.02113869 2.70805207 100.20852882 16.28408983 2.14363794 0.00164524 17.56301097 2.27469941 0.01181657 2.70632299 114.10294099 16.62416350 2.15310319 0.00205259 18.11517667 2.23514000 0.01324311 2.69062309 142.35428360 17.14681266 2.11565847 0.00256186 18.71637865 2.21245681 -0.00954046 2.68250749 177.67392344 17.71587682 2.09418782 0.00306986 19.23174591 2.18826475 -0.03072870 2.67177634 212.90548438 18.20369463 2.07128898 0.00357024 19.66099293 2.15608188 -0.04337018 2.67932177 247.60857191 18.60999584 2.04082647 0.00406491 20.03502908 2.13724948 -0.06108734 2.68366610 281.91530437 18.96403753 2.02300078 0.00508249 20.76111006 2.07530711 -0.08864259 2.69683685 352.48849021 19.65130516 1.96436959 0.00608770 21.39371134 2.01055001 -0.12131988 2.71969963 422.20294142 20.25009014 1.90307415 0.00709163 21.92998015 1.96626789 -0.16065308 2.72405342 491.82931373 20.75769219 1.86115917 0.00810414 22.45939561 1.91421725 -0.19902839 2.75965757 562.05025331 21.25880724 1.81189095 0.00910585 22.94694752 1.85568994 -0.23260405 2.78469089 631.52245286 21.72029660 1.75649226 0.01011645 23.41610268 1.79528588 -0.27849906 2.83471436 701.61106603 22.16437262 1.69931716 0.01213099 24.25610137 1.67398331 -0.37219766 2.92571005 841.32639827 22.95946838 1.58449894 0.01414299 25.06053726 1.53696941 -0.49558908 3.09171092 980.86557271 23.72090239 1.45480925 0.01615499 25.77721361 1.40113529 -0.63527051 3.28631731 1120.40474715 24.39926813 1.32623627 0.01816921 26.39845336 1.23847701 -0.81629488 3.60825115 1260.09788628 24.98729891 1.17227304 0.02018597 26.97501524 1.05472810 -1.11460533 4.37463079 1399.96718322 25.53304013 0.99834661 0.02219828 27.44769854 0.84137886 -1.55861553 6.16114284 1539.52785723 25.98045569 0.79640215 0.02421155 27.77581688 0.61576113 -2.18670033 10.33119378 1679.15511057 26.29103415 0.58284503 0.02622355 27.96743482 0.41486310 -2.74509107 17.30894817 1818.69428500 26.47240897 0.39268619 0.02823554 28.05375557 0.26257641 -2.80081528 28.28334441 1958.23276591 26.55411536 0.24854014 0.03025072 28.07996010 0.17356499 -1.66680274 32.52886358 2097.99248437 26.57891911 0.16428690 0.03226557 28.08673123 0.12602751 -0.48393611 29.82036755 2237.72931618 26.58532828 0.11929059 0.03427789 28.08055774 0.09973571 0.59532016 17.46703582 2377.29068373 26.57948480 0.09440424 0.03629115 28.09889701 0.08231502 0.38621196 20.97263485 2516.91724353 26.59684372 0.07791479 0.03830315 28.09232426 0.07213853 0.34372613 31.76173410 2656.45641797 26.59062233 0.06828229 0.04031610 28.09383847 0.06423410 0.07776152 45.94845906 2796.06147820 26.59205559 0.06080040 0.04333775 28.08055548 0.05644460 0.20302313 72.22500314 3005.62338001 26.57948266 0.05342730