% 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. 19:40:55 % File name: ZPGTBL_Orlu_T_B_2.txt % Internal identification code: 75 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 15 % 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]: 12.0742 % Friction velocity [m/s]: 0.49608 % Viscous length scale [m]: 3.0707e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0043293 % Momentum-loss thickness, d2 [m]: 0.0030807 % Boundary layer thickness (d99) [m]: 0.025435 % Shape Factor (H_12): 1.405 % Re_d1: 3432 % Re_d2: 2442 % Re_tau: 828 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00015308 2.33613658 0.88543563 0.72762231 3.34357610 4.98515488 4.70919344 1.78486467 0.00016324 2.47852888 0.93881770 0.67563483 3.19058507 5.31602261 4.99622841 1.89247247 0.00017308 2.64733178 0.99429057 0.63156908 3.07797868 5.63655072 5.33650196 2.00429491 0.00018388 2.79098232 1.03002153 0.57026682 2.98728172 5.98809768 5.62607329 2.07632151 0.00019435 2.92177276 1.05836013 0.53480142 2.88805293 6.32930503 5.88972119 2.13344657 0.00021420 3.19929857 1.13616453 0.46267042 2.72844252 6.97549035 6.44915881 2.29028500 0.00023420 3.44988438 1.18489266 0.38955654 2.62640441 7.62688619 6.95429069 2.38851134 0.00025420 3.67395026 1.21962871 0.31030326 2.51654425 8.27828203 7.40596359 2.45853241 0.00027420 3.86835738 1.26340577 0.28404904 2.46646789 8.92967787 7.79785023 2.54677839 0.00029421 4.10310233 1.29627049 0.20763714 2.41563093 9.58107371 8.27105004 2.61302722 0.00031818 4.38084413 1.31591751 0.13115425 2.39353499 10.36175547 8.83092306 2.65263176 0.00035945 4.68158755 1.34660376 0.09222439 2.36096764 11.70590561 9.43716285 2.71448923 0.00041216 5.04695940 1.34979188 0.00379593 2.38646091 13.42228195 10.17368088 2.72091586 0.00046296 5.28754786 1.35204684 -0.04512131 2.38870118 15.07662059 10.65866006 2.72546141 0.00055218 5.66560860 1.33613176 -0.10378553 2.44749488 17.98205283 11.42075642 2.69337973 0.00064965 6.03345970 1.30402064 -0.16737168 2.53306885 21.15631510 12.16227213 2.62865001 0.00074744 6.28811081 1.26837836 -0.19413870 2.59360980 24.34091699 12.67559886 2.55680216 0.00084523 6.48490871 1.23685534 -0.21363579 2.65172175 27.52551887 13.07230485 2.49325793 0.00094619 6.68840895 1.19875579 -0.22044079 2.71183529 30.81351692 13.48252143 2.41645671 0.00104716 6.79444187 1.18302276 -0.20465896 2.75097628 34.10151497 13.69626302 2.38474200 0.00126020 7.08136238 1.12905627 -0.20223678 2.75737055 41.03939765 14.27463852 2.27595613 0.00144912 7.22879622 1.08833282 -0.16223990 2.77711402 47.19148576 14.57183625 2.19386564 0.00165200 7.40336257 1.05504580 -0.14620372 2.79659518 53.79848442 14.92372779 2.12676552 0.00206094 7.65220854 1.01913142 -0.10540997 2.80738110 67.11591049 15.42535250 2.05436918 0.00256830 7.90432458 0.98849404 -0.06839965 2.75240877 83.63861767 15.93356902 1.99261024 0.00307218 8.14112847 0.96963726 -0.07358105 2.74041038 100.04760535 16.41091924 1.95459867 0.00357224 8.32413610 0.95119833 -0.06236758 2.77060385 116.33248507 16.77982675 1.91742939 0.00407294 8.46747781 0.94164416 -0.06615367 2.73095970 132.63807659 17.06877554 1.89817006 0.00508862 8.78806448 0.90560309 -0.07773468 2.74106677 165.71449352 17.71501543 1.82551832 0.00609097 9.06297081 0.88229399 -0.10706879 2.74389235 198.35667913 18.26917271 1.77853174 0.00709903 9.30299986 0.86122160 -0.13733741 2.75067360 231.18494526 18.75302421 1.73605393 0.00810773 9.53250430 0.84183230 -0.16587256 2.74307761 264.03392320 19.21566018 1.69696890 0.00911007 9.74074307 0.82166474 -0.22006649 2.79489798 296.67607624 19.63542874 1.65631506 0.01012227 9.94370973 0.79994433 -0.26101260 2.82828621 329.63893650 20.04456974 1.61253096 0.01213585 10.31752853 0.74266062 -0.32736642 2.89881358 395.21262157 20.79811516 1.49705823 0.01414721 10.64206185 0.69644867 -0.44370543 3.01320634 460.71401075 21.45231073 1.40390401 0.01615921 10.94880148 0.63624448 -0.57405413 3.19199772 526.23624198 22.07063768 1.28254417 0.01817311 11.22917642 0.57575197 -0.72184277 3.41180874 591.82034809 22.63581862 1.16060311 0.02018924 11.48477748 0.49520337 -0.94752566 3.88696245 657.47707576 23.15106025 0.99823294 0.02220251 11.71475358 0.41632243 -1.34629990 5.28793075 723.04066546 23.61464698 0.83922441 0.02421577 11.87680871 0.31584675 -1.82792020 7.80804223 788.60392950 23.94131837 0.63668514 0.02622745 11.98516723 0.22412923 -2.49382540 14.10004302 854.11573971 24.15974790 0.45180059 0.02823945 12.03480002 0.15259730 -2.82062636 21.34343831 919.63797095 24.25979788 0.30760624 0.03025431 12.05934624 0.09699885 -2.00864374 27.18789268 985.25334015 24.30927825 0.19553066 0.03226884 12.07175282 0.06671803 -0.48803709 19.37281438 1050.85796266 24.33428748 0.13449047 0.03428275 12.07255634 0.05177764 0.08235801 20.39992088 1116.44239442 24.33590723 0.10437357 0.03629570 12.06778635 0.04139699 0.63166248 6.72938875 1181.99556309 24.32629186 0.08344821 0.03830801 12.07073142 0.03383076 0.44374000 5.66622549 1247.52788970 24.33222854 0.06819618 0.04032096 12.07224751 0.02954564 0.32276895 6.48693930 1313.08105837 24.33528468 0.05955821 0.04334166 12.06899031 0.02421491 0.17744982 8.59530925 1411.45233268 24.32871880 0.04881251