% 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. 15:26:58 % File name: ZPGTBL_Orlu_T_B_3.txt % Internal identification code: 73 % Anemometer: DANTEC % HW Description: BL FE 470 % HW diameter [micron]: 2.5 % HW length in viscous units [-]: 20 % 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]: 16.7765 % Friction velocity [m/s]: 0.66178 % Viscous length scale [m]: 2.3018e-05 % % Calculated values: % Displacement thickness, d1 [m]: 0.0043864 % Momentum-loss thickness, d2 [m]: 0.0031479 % Boundary layer thickness (d99) [m]: 0.025606 % Shape Factor (H_12): 1.393 % Re_d1: 4831 % Re_d2: 3467 % Re_tau: 1112 % % y [m] U [m/s] urms [m/s] uskew uflat y+ U+ urms+ 0.00009160 2.66323518 0.93211762 0.88413509 3.85505005 3.97943766 4.02434293 1.40849782 0.00010224 2.92449022 1.04378046 0.81917016 3.66739963 4.44145793 4.41911838 1.57722854 0.00011208 3.10447368 1.11968960 0.77469628 3.48029549 4.86904933 4.69108654 1.69193279 0.00012224 3.35462336 1.21013112 0.70936691 3.27756030 5.31043400 5.06908099 1.82859653 0.00013240 3.59131765 1.29240254 0.65427156 3.15580471 5.75181868 5.42674334 1.95291465 0.00014224 3.81646678 1.34768731 0.60305438 3.04555081 6.17941008 5.76696013 2.03645398 0.00015240 4.04155045 1.41259715 0.55817211 2.94325523 6.62079475 6.10707801 2.13453750 0.00016256 4.27369592 1.47235422 0.51630458 2.87143161 7.06217942 6.45786677 2.22483480 0.00017240 4.50148613 1.51733540 0.43919902 2.73090145 7.48977082 6.80207442 2.29280464 0.00018352 4.73074325 1.56621756 0.40540822 2.66604714 7.97253531 7.14849867 2.36666916 0.00019368 4.89416070 1.59922994 0.36065255 2.59999506 8.41391998 7.39543439 2.41655328 0.00021511 5.27603077 1.67012854 0.29143534 2.51662071 9.34491147 7.97246796 2.52368625 0.00023352 5.61469220 1.70180219 0.24300058 2.48518016 10.14492118 8.48421013 2.57154743 0.00025733 5.93678418 1.73644883 0.19066736 2.46306287 11.17941651 8.97091464 2.62390105 0.00027353 6.19921670 1.75705253 0.14118870 2.42929104 11.88287333 9.36746934 2.65503475 0.00029353 6.46188419 1.78189680 0.11322680 2.42639414 12.75184940 9.76437911 2.69257625 0.00031528 6.78862570 1.79177276 0.05909028 2.39918491 13.69674277 10.25810940 2.70749955 0.00035909 7.19173029 1.78824322 0.01173783 2.42972609 15.60021416 10.86722989 2.70216615 0.00040735 7.55915050 1.76686598 -0.05020668 2.45734570 17.69679136 11.42242867 2.66986358 0.00046292 7.89989220 1.74640870 -0.07907284 2.50256761 20.11061378 11.93731427 2.63895114 0.00054070 8.28786103 1.71092730 -0.11937414 2.56439527 23.48996517 12.52356353 2.58533615 0.00064675 8.64418613 1.65164204 -0.15189671 2.63152055 28.09691769 13.06199678 2.49575179 0.00074867 8.94155413 1.60058736 -0.15071706 2.68948177 32.52455767 13.51134156 2.41860443 0.00084455 9.18198476 1.55798934 -0.13239825 2.72508528 36.69012551 13.87464980 2.35423572 0.00094552 9.37566766 1.52655483 -0.12964242 2.72681036 41.07638569 14.16731882 2.30673588 0.00104902 9.52230154 1.48992036 -0.10804172 2.75644825 45.57299203 14.38889333 2.25137852 0.00125508 9.81243958 1.45055804 -0.07995154 2.75538061 54.52482491 14.82731309 2.19189917 0.00145352 10.06468114 1.41268805 -0.06659084 2.78135852 63.14564100 15.20846852 2.13467485 0.00165291 10.27512006 1.38569674 -0.05393432 2.76825782 71.80781519 15.52645710 2.09388900 0.00206026 10.59247141 1.35634490 -0.03921952 2.73077734 89.50456015 16.00599818 2.04953623 0.00256699 10.94849440 1.34097678 -0.01128736 2.69964686 111.51862065 16.54397494 2.02631389 0.00307372 11.26293362 1.32017582 -0.02380518 2.70660149 133.53268116 17.01911557 1.99488212 0.00357156 11.49492665 1.30630016 -0.01030332 2.70523084 155.16053008 17.36967398 1.97391498 0.00407130 11.74105090 1.28561375 -0.03696089 2.69242959 176.87113862 17.74158570 1.94265630 0.00508826 12.19754053 1.24746936 -0.06534794 2.69345981 221.05100733 18.43137489 1.88501735 0.00609060 12.51420942 1.22373623 -0.08472990 2.70299433 264.59634214 18.90988471 1.84915484 0.00709803 12.84612111 1.19589573 -0.11385838 2.73448826 308.36241272 19.41142753 1.80708583 0.00810768 13.16030919 1.16253068 -0.16186076 2.78673686 352.22501448 19.88618867 1.75666879 0.00910908 13.47169341 1.13893653 -0.20865263 2.77872620 395.72899120 20.35671297 1.72101631 0.01012159 13.73694989 1.10554437 -0.22627022 2.79408113 439.71592789 20.75753490 1.67055831 0.01213549 14.25801883 1.03771790 -0.30760201 2.86848281 527.20653719 21.54490813 1.56806757 0.01414685 14.71137355 0.97368154 -0.40909008 2.94944059 614.58680033 22.22996024 1.47130395 0.01615885 15.16241434 0.88872585 -0.54627540 3.14465882 701.99486722 22.91151583 1.34292969 0.01817307 15.55118455 0.80109316 -0.68093304 3.30997910 789.49937841 23.49897602 1.21051030 0.02018888 15.91019454 0.70295799 -0.91548267 3.81292267 877.07296455 24.04146634 1.06222087 0.02220214 16.21240030 0.59323653 -1.24438186 4.82597489 964.53577010 24.49812132 0.89642374 0.02421509 16.45616849 0.46715551 -1.76358196 7.25744371 1051.98510819 24.86647286 0.70590611 0.02622677 16.62725243 0.33431532 -2.36189454 12.00358294 1139.37927321 25.12499320 0.50517487 0.02823909 16.71449725 0.21953177 -2.72689254 19.34266477 1226.80124198 25.25682650 0.33172854 0.03025394 16.76076320 0.14386353 -2.36132781 25.82542578 1314.33312249 25.32673773 0.21738831 0.03226848 16.77334003 0.09616284 -0.78229136 22.45773890 1401.85153555 25.34574223 0.14530907 0.03428207 16.77707159 0.07081384 0.62302570 12.32645293 1489.32867741 25.35138089 0.10700489 0.03629502 16.77684386 0.05681614 0.44910914 11.38698369 1576.77801551 25.35103679 0.08585334 0.03830765 16.78093259 0.04611340 0.56995334 7.14692749 1664.21345173 25.35721515 0.06968072 0.04032028 16.77923339 0.04060502 0.40120038 6.93911157 1751.64888795 25.35464753 0.06135714 0.04334161 16.78553768 0.03309264 0.17020547 8.98849943 1882.90565472 25.36417378 0.05000540