% 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 6 augusti 2008, Kl. 13:43:45 % File name: ZPGTBL_Orlu_T_C_1.txt % Internal identification code: 78 % 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: 2700000 % Temperature [C]: 20.9 % atm. pressure [Pa]: 101600 % kin. viscosity [m^2/s]: 1.5096e-05 % Downstream position (from leading edge) [m]: 1.625 % Tripping configuration: T C % Freestream vel. [m/s]: 12.0466 % Friction velocity [m/s]: 0.49457 % Viscous length scale [m]: 3.0524e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0044276 % Momentum-loss thickness, d2 [m]: 0.0031474 % Boundary layer thickness (d99) [m]: 0.025821 % Shape Factor (H_12): 1.407 % Re_d1: 3533 % Re_d2: 2512 % Re_tau: 846 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00020720 3.11668514 1.12044345 0.46568211 2.75739371 6.78803870 6.30180344 2.26548853 0.00022816 3.38196309 1.17509766 0.38754534 2.62351826 7.47454020 6.83818406 2.37599699 0.00024816 3.60752111 1.21769126 0.33369434 2.54994195 8.12983708 7.29425270 2.46211942 0.00026816 3.83668313 1.25933015 0.26900020 2.49998840 8.78513396 7.75760844 2.54631146 0.00029388 4.14072142 1.28979710 0.21010987 2.44468691 9.62765853 8.37236080 2.60791432 0.00032595 4.41231088 1.31506566 0.14342614 2.40032531 10.67821385 8.92150303 2.65900625 0.00038087 4.79109497 1.34393143 0.04040521 2.36838861 12.47767989 9.68738818 2.71737161 0.00042913 5.11737258 1.34388218 -0.01524917 2.39489702 14.05871364 10.34710750 2.71727203 0.00053439 5.56550352 1.33937284 -0.07671397 2.43343874 17.50686437 11.25320900 2.70815433 0.00063726 5.89959017 1.30738763 -0.14824450 2.50389419 20.87696263 11.92871785 2.64348162 0.00073219 6.21427417 1.27716544 -0.18860755 2.59223707 23.98702243 12.56499538 2.58237366 0.00083474 6.43034873 1.23870946 -0.20495056 2.65309369 27.34671915 13.00188886 2.50461730 0.00104239 6.75449272 1.16860677 -0.20109590 2.73291942 34.14932488 13.65729408 2.36287268 0.00124686 6.99209683 1.12617109 -0.18606717 2.76094681 40.84793162 14.13771938 2.27706956 0.00145228 7.18780626 1.08689496 -0.16942899 2.79927267 47.57771020 14.53343543 2.19765492 0.00165040 7.34302352 1.05903420 -0.14129977 2.78244150 54.06826980 14.84727806 2.14132166 0.00206505 7.59259518 1.01442482 -0.10655939 2.79653074 67.65267819 15.35190123 2.05112340 0.00257972 7.84744817 0.99067455 -0.05517963 2.75458538 84.51358737 15.86720303 2.00310138 0.00309248 8.05280653 0.96897069 -0.05715991 2.75311257 101.31205456 16.28242882 1.95921711 0.00359699 8.25505854 0.94569295 -0.05559402 2.72873680 117.84011454 16.69137368 1.91215051 0.00410404 8.44043866 0.93765536 -0.06444861 2.72043227 134.45135405 17.06620432 1.89589886 0.00513052 8.73002294 0.91617331 -0.08672770 2.72155485 168.07954219 17.65173130 1.85246307 0.00615382 9.00103598 0.89017700 -0.11153270 2.74995982 201.60368220 18.19970803 1.79989965 0.00716728 9.24180400 0.87819250 -0.14512683 2.73725781 234.80539091 18.68653061 1.77566750 0.00819090 9.48426190 0.84430817 -0.17262822 2.76288961 268.33994883 19.17677008 1.70715485 0.00920563 9.68870095 0.82683811 -0.20342647 2.78904941 301.58326369 19.59013704 1.67183114 0.01022671 9.87539294 0.80724237 -0.25008671 2.82572962 335.03460931 19.96762023 1.63220938 0.01124906 10.08553389 0.78020220 -0.29192917 2.85068905 368.52756108 20.39251619 1.57753533 0.01226379 10.24881537 0.75627995 -0.31130735 2.87194391 401.77087594 20.72266435 1.52916557 0.01430405 10.59249494 0.70360172 -0.43745137 3.01739132 468.61132176 21.41756967 1.42265246 0.01634557 10.91647491 0.64312446 -0.54624801 3.12585865 535.49304612 22.07264325 1.30037002 0.01838583 11.19026039 0.58367735 -0.72078517 3.39602077 602.33349193 22.62622572 1.18017052 0.02042227 11.44891507 0.50827751 -0.96238279 3.93672621 669.04879169 23.14921436 1.02771528 0.02245967 11.67005780 0.41898100 -1.29465709 5.02942609 735.79554176 23.59635547 0.84716159 0.02449770 11.83642820 0.32596977 -1.81006657 7.61216666 802.56293111 23.93274927 0.65909687 0.02653891 11.95294071 0.22863548 -2.43061036 13.19728217 869.43449963 24.16833255 0.46229113 0.02857662 12.01274823 0.15180934 -2.68892040 20.19142845 936.19140554 24.28926080 0.30695196 0.03061497 12.03376507 0.09891108 -1.96464204 26.08201884 1002.96927832 24.33175595 0.19999395 0.03265205 12.04535838 0.07001631 -0.89671003 23.25742534 1069.70554496 24.35519713 0.14156997 0.03775015 12.04485339 0.03805058 0.60369358 7.07427843 1236.72311958 24.35417606 0.07693663 0.04080799 12.04746078 0.02953662 0.30932462 6.92989878 1336.90024840 24.35944808 0.05972178 0.04386679 12.04302446 0.02464622 0.19121061 9.56156442 1437.10882753 24.35047803 0.04983359