% Filename : LM_Channel_0180_mean_stdev.dat % % Description : Estimated uncertainty due to finite statistical sample, expressed as the standard deviation, % for the statistical data provided in the file: LM_Channel_0180_mean_prof.dat % % Total number of data points : 96 % % % % % The data in this file was extracted from a direct numerical simulation % of fully developed plane turbulent channel flow. The file is available at % http://turbulence.ices.utexas.edu, where it will be updated as necessary. % % When publishing results using this data, the following paper should be % cited as the source: % % Myoungkyu Lee and Robert D. Moser, % Direct numerical simulation of turbulent channel flow up to Re_tau = 5200, % 2015, Journal of Fluid Mechanics, vol. 774, pp. 395-415 % % The paper can be found at http://journals.cambridge.org/article_S0022112015002682 % % NOTE: before publication, please check % http://turbulence.ices.utexas.edu for any updates to the data and an % updated citation % % % Contact to Robert D. Moser(rmoser@ices.utexas.edu) or M.K. Lee(mnlee@sandia.gov) for questions. % % % The parameters defining the simulation from which this data were extracted are: % % Grid (streamwise) nx = 1024 % Grid (wall-normal) ny = 192 % Grid (spanwise) nz = 512 % Streamwise domain size Lx = 8pi % Spanwise domain size Lz = 3pi % B-Spline order n = 7 % Kinematic Viscosity nu = 3.50000e-04 % Channel half width delta = 1.000 % Avg streamwise vel U_mean = 1.000 % Friction vel u_tau = 6.37309e-02 % Re_tau Re_tau = 182.088 % % % All data are normalized by u_tau and nu (signified with a ^+) except % for y/delta % % This file was last updated on 6/15/2015. % % % % Remark: % % y/delta : Grid point in wall-normal direction, Normalized by channel half width % y^+ : Grid point in wall-normal direction % U : Mean profile of streamwise velocity % dU/dy : Derivative of U in wall-normal direction % W : Mean profile of spanwise velocity % P : Mean profile of pressure % % * Data at y/delta = 1.0 is not computed due to code performance optimization % % ** W should be zero due to (statistical) symmetries in the flow. % It is reported here none-the-less as an indicator of the quality of the statistics. % % -----------End of header--------- % % y/delta y^+ U dU/dy W P %----------------------------------------------------------------------------------------------------------------------------------------------------- 1.110223024625157e-16 2.021587241307348e-14 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 5.791461380333374e-05 1.054557883895367e-02 2.243022214745526e-05 2.690361124416050e-03 4.768781076210450e-06 1.117312037389849e-14 2.141030191135096e-04 3.898567424427084e-02 8.291525693078207e-05 2.689942728505877e-03 1.762958429262639e-05 2.067763513252549e-12 5.088966186284072e-04 9.266416643727822e-02 1.970506671812642e-04 2.689156412325918e-03 4.190338409686986e-05 6.486010070729489e-11 9.825876412230539e-04 1.789178025409327e-01 3.803806045523996e-04 2.687891234031209e-03 8.090798834025488e-05 8.767209092121308e-10 1.675417754204322e-03 3.050741230036028e-01 6.483670438245856e-04 2.685997900312334e-03 1.379569736637443e-04 7.116788794054844e-09 2.627566689856309e-03 4.784493906250172e-01 1.016337897206718e-03 2.683199739246069e-03 2.163574873676339e-04 4.073732820513758e-08 3.879140889489485e-03 7.063465227694476e-01 1.499371825497987e-03 2.678894542198507e-03 3.194038706527800e-04 1.800580929113566e-07 5.412247554401284e-03 9.855074485118559e-01 2.089742990557799e-03 2.672069969644456e-03 4.455943255732981e-04 8.402658313359032e-07 7.226453384460596e-03 1.315853268928577e+00 2.785669777339773e-03 2.660755413954965e-03 5.948190059249628e-04 2.414289584190228e-06 9.321245632810338e-03 1.697290618769450e+00 3.583760453516039e-03 2.641730226250116e-03 7.668798970540268e-04 5.964387299831364e-06 1.169603225078431e-02 2.129711692845490e+00 4.477793992208364e-03 2.427127109936275e-03 9.614537765282534e-04 1.303583040276311e-05 1.435014205523744e-02 2.612994276497792e+00 5.457096268508358e-03 2.391084081772565e-03 1.178071796511444e-03 2.571891888999240e-05 1.728282491824162e-02 3.147001780138933e+00 5.740401385844852e-03 2.336960536826241e-03 1.416133195741597e-03 4.659128933161981e-05 2.049325197909280e-02 3.731583277857002e+00 6.728438448698041e-03 2.259536884396583e-03 1.674954837002253e-03 7.844028531143768e-05 2.398051587857197e-02 4.366573550071815e+00 7.746040260472671e-03 2.154457528927417e-03 1.953827319649860e-03 1.241463192254685e-04 2.774363101539001e-02 5.051793130230531e+00 8.765331837839955e-03 2.019956298950732e-03 2.252007825583437e-03 1.861314274417713e-04 3.178153382474769e-02 5.787048355530207e+00 9.754536504766488e-03 1.864496930053267e-03 2.568538204424465e-03 2.662054506330905e-04 3.609308307892944e-02 6.572131421652430e+00 1.068110560569893e-02 1.728994842781690e-03 2.901764055952773e-03 3.654544040286805e-04 4.067706020984729e-02 7.406820441494814e+00 1.151613298004789e-02 1.630228100167201e-03 3.248499046314121e-03 4.841274184026258e-04 4.553216965344320e-02 8.290879507882680e+00 1.223964664909823e-02 1.475185790950060e-03 3.602935321778882e-03 6.218516698496945e-04 5.065703921585307e-02 9.224058760243272e+00 1.284757811528983e-02 1.352742592477779e-03 3.955550551481665e-03 7.804626957924245e-04 5.605022046122787e-02 1.020609445522346e+01 1.334192987260353e-02 1.255081796440151e-03 4.292326468627897e-03 9.579386606070210e-04 6.171018912110404e-02 1.123670904123138e+01 1.373838374437722e-02 1.172468752528704e-03 4.594739623594806e-03 1.154471625159303e-03 6.763534552520467e-02 1.231561123688027e+01 1.405470118979866e-02 1.094752381248361e-03 4.016812489995410e-03 1.367029879071176e-03 7.382401505355363e-02 1.344249611331326e+01 1.430824663036920e-02 1.014636039333919e-03 4.943421003448449e-03 1.591498462335857e-03 8.027444860977029e-02 1.461704518038482e+01 1.451201683754181e-02 9.305057706014757e-04 5.063013649126102e-03 1.824760693772352e-03 8.698482311541555e-02 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