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DNS database of heated transcritical and unheated non-transcritical turbulent boundary layers at supercritical pressures

Originally uploaded on September  6, 2021

 Copyright (c) Soshi Kawai. All Rights Reserved.
 Contact: kawai@tohoku.ac.jp
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Reference:
  Soshi Kawai, 
  "Heated transcritical and unheated non-transcritical turbulent boundary layers at supercritical pressures,"
  Journal of Fluid Mechanics, 865, 563-601, (2019).
  https://doi.org/10.1017/jfm.2019.13

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This database includes the turbulence statistics of 
nominally zero-pressure-gradient fully-developed flat-plate turbulent boundary layers 
with heated (Tw= 100 and 200 K) and unheated (Tw= 25 K) isothermal walls 
at supercritical pressures (P= 2 and 4 MPa). 

# statistics_P2M_T025K.txt: turbulence statistics for Tw= 25 K and P=2 MPa case
# statistics_P2M_T100K.txt: turbulence statistics for Tw=100 K and P=2 MPa case
# statistics_P2M_T200K.txt: turbulence statistics for Tw=200 K and P=2 MPa case
# statistics_P4M_T025K.txt: turbulence statistics for Tw= 25 K and P=4 MPa case
# statistics_P4M_T100K.txt: turbulence statistics for Tw=100 K and P=4 MPa case
# statistics_P4M_T200K.txt: turbulence statistics for Tw=200 K and P=4 MPa case

y/delta       (wall normal coordinate, normalized by boundary layer thickness)
y^+           (wall normal coordinate, normalized by viscous length scale)
y^*           (wall normal coordinate, normalized by semi-local viscous length scale)
T             (mean temperature, normalized by freestrem temperature)
Rho           (mean density, normalized by freestrem density)
Mu            (mean shear viscosity, normalized by freestrem shear viscosity)
Pr            (mean Prandtl number)
U             (mean wall-parallel velocity, normalized by freestrem velocity)
V             (mean wall-normal velocity, normalized by freestrem velocity)
Utilde        (mean Favre-averaged wall-parallel velocity, normalized by freestrem velocity)
Vtilde        (mean Favre-averaged wall-normal velocity, normalized by freestrem velocity)
U_vd+         (van Driest transformed mean streamwise velocity)
Utilde_vd+    (van Driest transformed Favre-averaged streamwise velocity)
U*            (semi-locally scaled mean streamwise velocity transformation)
Utilde*       (semi-locally scaled Favre-averaged streamwise velocity transformation)
ru''u''       (streamwise Reynolds normal stress, normalized by mean wall shear stress)
rv''v''       (wall-normal Reynolds stress, normalized by mean wall shear stress)
rw''w''       (spanwise Reynolds stress, normalized by mean wall shear stress)
-ru''v''      (Reynolds shear stress, normalized by mean wall shear stress)
-Rhou''v''    (decomposed mean-density-related Reynolds shear stress, normalized by mean wall shear stress)
-r'u''v''     (decomposed density-fluctuation-related Reynolds shear stress, normalized by mean wall shear stress)
sqrt(r'r')    (square root of variances of the density, normalized by mean density)
sqrt(mu'mu')  (square root of variances of the shear viscosity, normalized by mean shear viscosity)
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