# Fig. S8: Turbulent kinetic energy spectra at the centreline (y=0)
# Re=0.2, De=28, beta=0.9.
# Et(kappa_x) normalised by Et(kappa_x*) where kappa_x* is at index 1.
# Columns:
#   kappa_x_delta0   : streamwise wavenumber kappa_x*delta0, shared x-axis
#   Et_norm_t76      : Et/Et* at tU0/delta0 = 75.6  [orangered]
#   Et_norm_t560     : Et/Et* at tU0/delta0 = 560.0  [khaki]
#   Et_norm_t0_inset : Et/Et* at t=0 (inset)  [dimgray]
# kappa_x^{-4} reference scaling not stored (trivially reconstructed as power law).
# L = 1, U0 = 1, nyt = nzt = 256
# Rows beyond a series length are filled with NaN.
# 
# kappa_x_delta0	Et_norm_t76	Et_norm_t560	Et_norm_t0_inset
2.243995e-01	3.660507e-23	2.254110e-24	6.951867e-01
4.487990e-01	1.000000e+00	1.000000e+00	1.000000e+00
6.731984e-01	8.843155e+01	1.805290e+04	7.414061e+00
8.975979e-01	9.022896e+01	1.610578e+02	2.133437e+01
1.121997e+00	5.437961e+06	6.372949e+03	2.857796e+32
1.346397e+00	4.340085e+04	4.310691e+02	1.793399e+00
1.570796e+00	1.636457e+02	1.551077e+02	2.362500e+01
1.795196e+00	1.629745e+02	1.551009e+02	1.326525e+01
2.019595e+00	1.983655e+02	1.075993e+01	7.105976e+01
2.243995e+00	1.982846e+02	1.075927e+01	2.179800e+02
2.468394e+00	5.045187e+05	2.422883e+02	1.741930e+33
2.692794e+00	2.968510e+05	2.422885e+02	3.746556e+02
2.917193e+00	7.499672e+00	3.002144e+01	8.458444e+01
3.141593e+00	7.495709e+00	3.002114e+01	5.737830e+01
3.365992e+00	1.767921e-01	2.165778e+01	9.394971e+00
3.590392e+00	1.762023e-01	2.165817e+01	4.076417e+01
3.814791e+00	8.456196e-01	1.409257e+00	9.431296e+01
4.039191e+00	8.455873e-01	1.408913e+00	3.287633e+01
4.263590e+00	3.455918e-01	1.348327e+00	1.194457e+01
4.487990e+00	3.455061e-01	1.348214e+00	4.087909e+01
4.712389e+00	4.036974e-02	1.091107e-01	1.139072e+01
4.936788e+00	4.037098e-02	1.091518e-01	3.785581e+01
5.161188e+00	1.714927e-01	7.419089e+00	1.004044e+01
5.385587e+00	1.714900e-01	7.419223e+00	1.861376e+01
5.609987e+00	4.546959e-01	2.738154e+00	1.255467e+01
5.834386e+00	4.546959e-01	2.737908e+00	2.102016e+00
6.058786e+00	1.232685e-02	4.456980e-01	4.268603e+01
6.283185e+00	1.232682e-02	4.457590e-01	1.578495e+01
6.507585e+00	2.680741e-02	1.594080e-01	2.604922e+00
6.731984e+00	2.680738e-02	1.593661e-01	1.580387e+01
6.956384e+00	6.692328e-01	1.291321e+00	2.354217e+00
7.180783e+00	6.692328e-01	1.291347e+00	1.855165e+01
7.405183e+00	4.952768e-02	1.763155e+00	4.423832e+01
7.629582e+00	4.952767e-02	1.763101e+00	1.027289e+01
7.853982e+00	2.908971e-03	2.132363e+00	7.810580e-01
8.078381e+00	2.908958e-03	2.132396e+00	3.036429e+01
8.302781e+00	1.681586e-02	1.130733e-01	4.748943e+01
8.527180e+00	1.681586e-02	1.130384e-01	2.766851e+01
8.751580e+00	2.891405e-03	1.476870e+00	9.501587e+00
8.975979e+00	2.891405e-03	1.476881e+00	9.189150e+00
9.200378e+00	5.510853e-03	2.548014e-01	2.214233e+00
9.424778e+00	5.510852e-03	2.547791e-01	1.523710e+01
9.649177e+00	3.046725e-03	8.415890e-02	2.409382e+00
9.873577e+00	3.046726e-03	8.418046e-02	2.879153e+01
1.009798e+01	7.058067e-03	1.651133e-01	2.998146e-01
1.032238e+01	7.058068e-03	1.650887e-01	3.818796e+01
1.054678e+01	1.042715e-02	1.882464e-01	2.256916e+00
1.077117e+01	1.042715e-02	1.882506e-01	2.478216e+00
1.099557e+01	1.397535e-03	7.223403e-02	6.991042e+00
1.121997e+01	1.397534e-03	7.222968e-02	1.412274e+01
1.144437e+01	1.016472e-01	2.414736e-01	1.309374e+00
1.166877e+01	1.016472e-01	2.414791e-01	1.778871e+01
1.189317e+01	6.141787e-04	1.877691e+00	8.443543e+00
1.211757e+01	6.141770e-04	1.877683e+00	1.182279e+01
1.234197e+01	6.932306e-03	1.568883e-01	1.195267e+01
1.256637e+01	6.932306e-03	1.568861e-01	2.076545e+01
1.279077e+01	7.898172e-03	7.923826e-02	1.292464e+01
1.301517e+01	7.898171e-03	7.923997e-02	7.031568e+01
1.323957e+01	1.506725e-03	4.227489e-01	2.490808e+01
1.346397e+01	1.506725e-03	4.227487e-01	8.356731e+01
1.368837e+01	7.290645e-04	8.787655e-02	2.823102e+00
1.391277e+01	7.290646e-04	8.787232e-02	1.280914e+00
1.413717e+01	6.214439e-03	8.302138e-02	1.621446e+01
1.436157e+01	6.214439e-03	8.301998e-02	2.500434e+01
1.458597e+01	1.856568e-03	6.588187e-02	3.062706e+00
1.481037e+01	1.856568e-03	6.588503e-02	1.522833e+01
1.503476e+01	2.049001e-04	2.971847e-01	2.996286e+00
1.525916e+01	2.049003e-04	2.971816e-01	2.292741e+00
1.548356e+01	5.908100e-04	1.285192e-02	5.882249e+00
1.570796e+01	5.908103e-04	1.285215e-02	8.491038e+00
1.593236e+01	1.302078e-02	3.050119e-02	1.466346e+00
1.615676e+01	1.302078e-02	3.050188e-02	5.616673e+00
1.638116e+01	2.067314e-03	1.129671e-02	4.442858e+00
1.660556e+01	2.067315e-03	1.129569e-02	2.230403e+00
1.682996e+01	1.390324e-03	1.486388e-02	2.532124e+00
1.705436e+01	1.390324e-03	1.486368e-02	1.213729e+01
1.727876e+01	5.921674e-04	1.568545e-02	1.648956e+01
1.750316e+01	5.921673e-04	1.568570e-02	2.405727e+01
1.772756e+01	1.666698e-03	5.742569e-02	1.151420e+01
1.795196e+01	1.666697e-03	5.742493e-02	8.001393e+01
1.817636e+01	1.765855e-04	2.160933e-01	6.648130e+00
1.840076e+01	1.765854e-04	2.160930e-01	1.976574e+01
1.862516e+01	1.441445e-04	2.218382e-02	2.856464e+00
1.884956e+01	1.441444e-04	2.218371e-02	8.018723e+01
1.907396e+01	6.626691e-04	1.836746e-02	1.359675e+02
1.929835e+01	6.626691e-04	1.836738e-02	3.471683e+01
1.952275e+01	1.832399e-04	1.005199e-02	4.640555e-01
1.974715e+01	1.832399e-04	1.005187e-02	1.189816e+01
1.997155e+01	4.519777e-05	3.750653e-03	1.715403e+00
2.019595e+01	4.519777e-05	3.750884e-03	2.060943e-01
2.042035e+01	1.040990e-03	2.228180e-02	4.754541e+00
2.064475e+01	1.040990e-03	2.228160e-02	1.530102e+00
2.086915e+01	6.829071e-04	1.431146e-02	1.067646e+00
2.109355e+01	6.829071e-04	1.431101e-02	3.538316e+00
2.131795e+01	1.138805e-04	1.028296e-01	3.292296e+00
2.154235e+01	1.138805e-04	1.028293e-01	3.748274e-01
2.176675e+01	8.721633e-05	3.360403e-03	2.959626e+00
2.199115e+01	8.721635e-05	3.360666e-03	3.776873e+00
2.221555e+01	5.656620e-05	1.022103e-02	8.517788e-01
2.243995e+01	5.656616e-05	1.022085e-02	1.026429e+00
2.266435e+01	5.711465e-05	3.388251e-03	3.448855e-01
2.288875e+01	5.711466e-05	3.388256e-03	1.434707e+00
2.311315e+01	7.240167e-05	1.128174e-02	2.333443e+00
2.333755e+01	7.240165e-05	1.128156e-02	2.049382e+01
2.356194e+01	2.250660e-04	1.176211e-02	4.321460e+01
2.378634e+01	2.250660e-04	1.176212e-02	1.834963e+01
2.401074e+01	2.660135e-04	3.887397e-03	7.198790e-01
2.423514e+01	2.660135e-04	3.887175e-03	4.728596e+00
2.445954e+01	4.782352e-05	7.563464e-03	1.258899e+00
2.468394e+01	4.782351e-05	7.563515e-03	4.052789e-01
2.490834e+01	5.948640e-04	1.626341e-03	1.511682e+00
2.513274e+01	5.948640e-04	1.626275e-03	1.122032e+00
2.535714e+01	6.721076e-05	1.130732e-03	1.176349e+00
2.558154e+01	6.721076e-05	1.130684e-03	5.415009e-01
2.580594e+01	7.189743e-05	1.409031e-03	4.984350e-01
2.603034e+01	7.189743e-05	1.409029e-03	1.762146e-01
2.625474e+01	1.496979e-05	3.541696e-03	1.055950e+00
2.647914e+01	1.496979e-05	3.541680e-03	4.383480e-01
2.670354e+01	3.700128e-05	3.223552e-04	2.198660e+00
2.692794e+01	3.700128e-05	3.223148e-04	6.262144e-02
2.715234e+01	1.257003e-05	8.834315e-04	1.090908e+00
2.737674e+01	1.257003e-05	8.834171e-04	4.137465e-01
2.760114e+01	1.755866e-05	2.509582e-04	5.264346e-01
2.782553e+01	1.755866e-05	2.509539e-04	1.455403e-01
2.804993e+01	1.762647e-06	2.536898e-04	5.533793e+00
2.827433e+01	1.762646e-06	2.536789e-04	9.070981e-02
2.849873e+01	1.386948e-05	5.618539e-05	4.409180e-01
2.872313e+01	1.386948e-05	5.618242e-05	7.650230e-02
2.894753e+01	2.668228e-15	4.868181e-10	1.428590e-01