% 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. 20:24:42 % File name: ZPGTBL_Orlu_T_B_4.txt % Internal identification code: 76 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 21 % 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]: 17.413 % Friction velocity [m/s]: 0.68371 % Viscous length scale [m]: 2.2258e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0043669 % Momentum-loss thickness, d2 [m]: 0.0031386 % Boundary layer thickness (d99) [m]: 0.025664 % Shape Factor (H_12): 1.391 % Re_d1: 4997 % Re_d2: 3591 % Re_tau: 1153 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00009134 2.86962774 1.00439221 0.84860095 3.75111885 4.10368619 4.19711256 1.46902231 0.00010198 3.11664946 1.10804034 0.78167103 3.53090926 4.58148899 4.55840610 1.62061789 0.00011150 3.33327014 1.19617106 0.75673964 3.43453044 5.00942238 4.87523512 1.74951772 0.00012166 3.57928412 1.27786136 0.68180137 3.25551227 5.46588467 5.23505475 1.86899781 0.00013182 3.82675634 1.35218922 0.63842852 3.10271672 5.92234695 5.59700719 1.97770961 0.00014198 4.03686113 1.41040468 0.60117887 3.04456344 6.37880924 5.90430609 2.06285544 0.00015182 4.30654687 1.47909313 0.52087665 2.88204537 6.82100708 6.29874799 2.16331906 0.00016198 4.54220258 1.54084110 0.46710960 2.76798222 7.27746936 6.64341762 2.25363153 0.00017183 4.77563243 1.60120768 0.43020700 2.68888574 7.71966720 6.98483172 2.34192358 0.00018294 5.01487380 1.63792238 0.38938230 2.65660767 8.21892282 7.33474574 2.39562244 0.00019310 5.21682412 1.67937139 0.35801142 2.61018122 8.67538511 7.63011792 2.45624568 0.00021326 5.61082271 1.72932242 0.26314835 2.50904667 9.58112130 8.20637958 2.52930398 0.00023294 5.92805932 1.76521323 0.21026462 2.47193350 10.46551698 8.67036929 2.58179782 0.00025295 6.23853517 1.79798615 0.18980407 2.44797513 11.36417710 9.12447073 2.62973143 0.00027295 6.52716021 1.81561097 0.13360821 2.42184907 12.26283722 9.54661322 2.65550946 0.00029327 6.75783702 1.83313149 0.08615946 2.41078811 13.17576179 9.88400072 2.68113494 0.00032565 7.13120716 1.84437536 0.04883345 2.42027094 14.63073533 10.43009124 2.69758020 0.00035915 7.48793636 1.83113689 0.00728343 2.44071620 16.13569059 10.95184275 2.67821764 0.00041551 7.91435773 1.82453291 -0.05158489 2.44800006 18.66757366 11.57552590 2.66855867 0.00046139 8.22770361 1.79380643 -0.08431005 2.51183959 20.72884233 12.03382504 2.62361817 0.00054362 8.61245412 1.74711856 -0.10001576 2.57197127 24.42333395 12.59656047 2.55533258 0.00064871 8.98631566 1.69728451 -0.12987483 2.61514983 29.14486572 13.14336971 2.48244539 0.00074809 9.28802267 1.64597374 -0.12836996 2.69394972 33.60963744 13.58464586 2.40739834 0.00084175 9.54978940 1.61291772 -0.12944929 2.72437190 37.81764914 13.96750543 2.35905067 0.00094367 9.76184015 1.56195577 -0.11316639 2.75943319 42.39653644 14.27765048 2.28451380 0.00104813 9.92150834 1.53107026 -0.09695602 2.75020486 47.08953931 14.51118090 2.23934071 0.00125482 10.19700699 1.50038236 -0.08191735 2.78293892 56.37571639 14.91412476 2.19445664 0.00145072 10.46864902 1.45427814 -0.03685705 2.77784075 65.17685736 15.31142791 2.12702469 0.00165233 10.66115732 1.43296284 -0.05513018 2.75553335 74.23480330 15.59299023 2.09584897 0.00205936 11.00924027 1.40638506 -0.00907797 2.74040298 92.52182360 16.10209575 2.05697636 0.00256768 11.36732701 1.37774143 -0.00619484 2.71812999 115.35917985 16.62583279 2.01508223 0.00306933 11.70931995 1.37196036 -0.02374562 2.68702144 137.89700518 17.12603106 2.00662684 0.00357193 11.96719412 1.35041197 -0.02940779 2.69639541 160.47764632 17.50319739 1.97511021 0.00407454 12.21625049 1.33217699 -0.04460540 2.72368371 183.05824253 17.86746680 1.94843976 0.00508768 12.62349328 1.30215110 -0.07044475 2.70208844 228.57611351 18.46309939 1.90452394 0.00609003 13.01695387 1.26953368 -0.09520195 2.72346538 273.60894838 19.03857418 1.85681775 0.00709714 13.38985360 1.24143244 -0.14882502 2.72640127 318.85577240 19.58397667 1.81571694 0.00810742 13.70295636 1.20419837 -0.16674963 2.76318491 364.24524090 20.04192023 1.76125845 0.00910818 13.97482352 1.18018958 -0.19830410 2.75841784 409.20677600 20.43955267 1.72614323 0.01011974 14.27552680 1.14441084 -0.25034100 2.82747115 454.65352691 20.87936076 1.67381331 0.01213491 14.80098705 1.07589661 -0.32625210 2.90125648 545.18985599 21.64789802 1.57360451 0.01414595 15.32019599 0.99331043 -0.42441132 2.98918350 635.54063494 22.40729211 1.45281411 0.01615763 15.74045384 0.92110488 -0.54515730 3.14979123 725.92016743 23.02196052 1.34720640 0.01817217 16.15180095 0.82876408 -0.71237048 3.41419406 816.42819225 23.62359609 1.21214890 0.02018893 16.51107546 0.73032628 -0.92623989 3.82393147 907.03595588 24.14907036 1.06817395 0.02220156 16.82493113 0.60305747 -1.25691863 4.88238874 997.45816938 24.60811511 0.88203081 0.02421483 17.08349398 0.46602275 -1.74614702 7.26371946 1087.90913642 24.98628869 0.68160406 0.02622683 17.24478500 0.33536920 -2.38573698 12.41418993 1178.30304567 25.22219266 0.49051041 0.02823851 17.35660826 0.22167938 -2.79862595 20.62633557 1268.68257816 25.38574517 0.32422787 0.03025305 17.40730330 0.14380502 -2.29519242 26.52682071 1359.19060298 25.45989164 0.21032897 0.03226790 17.42192272 0.09658845 -0.82541811 24.26738450 1449.71255529 25.48127399 0.14127010 0.03428149 17.40433555 0.07259981 0.21477707 17.37383615 1540.17789909 25.45555102 0.10618436 0.03629444 17.40826038 0.05784160 0.67182728 9.86203508 1630.61448936 25.46129146 0.08459902 0.03830707 17.40854970 0.04760461 0.51025746 7.47692669 1721.03670287 25.46171462 0.06962642 0.04031970 17.41704765 0.04070311 0.37116945 6.34454801 1811.45891637 25.47414372 0.05953230 0.04334071 17.41225564 0.03373700 0.18558739 9.62496609 1947.18501169 25.46713493 0.04934368