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NREL's S835 Airfoil (s835-nr)

NREL's S835 Airfoil - NREL HAWT airfoil S835 root 21.0% Dia=1 to 3 m Re=2.5E+5 Clmax(S)=1.20 Clmax(R)=1.03 High max lift coef


Airfoil s835-nr
Details Dat file Parser  
(s835-nr) NREL's S835 Airfoil
NREL HAWT airfoil S835 root 21.0% Dia=1 to 3 m Re=2.5E+5 Clmax(S)=1.20 Clmax(R)=1.03 High max lift coef
Max thickness 21% at 30.5% chord.
Max camber 2.4% at 78% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S835 Airfoil
   x/c        y/c
1.000000   0.000000
0.995932   0.000974
0.984473   0.004552
0.967194   0.010971
0.945459   0.019503
0.919943   0.029016
0.890618   0.038526
0.857149   0.047861
0.819938   0.057178
0.779531   0.066312
0.736444   0.075033
0.691173   0.083101
0.644202   0.090280
0.596002   0.096359
0.547033   0.101147
0.497745   0.104476
0.448511   0.106196
0.399664   0.106378
0.351783   0.104999
0.305188   0.102105
0.260367   0.097834
0.217816   0.092265
0.177969   0.085485
0.141266   0.077587
0.108053   0.068680
0.078706   0.058894
0.053467   0.048379
0.032658   0.037351
0.016487   0.026032
0.005368   0.014774
0.003569   0.012203
0.001995   0.009465
0.000868   0.006772
0.000259   0.003974
0.000230   0.003763
0.000015   0.000995
0.001113  -0.008866
0.006381  -0.022529
0.015773  -0.036575
0.029084  -0.050332
0.046306  -0.063467
0.067214  -0.075502
0.091816  -0.086196
0.119820  -0.095194
0.151207  -0.102304
0.185631  -0.107229
0.223218  -0.109799
0.263720  -0.110144
0.306838  -0.108293
0.352267  -0.104298
0.399699  -0.098265
0.448814  -0.090357
0.499275  -0.080810
0.550725  -0.069931
0.602768  -0.058110
0.654962  -0.045821
0.706793  -0.033614
0.757643  -0.022112
0.806764  -0.011986
0.853241  -0.003934
0.895818   0.001265
0.932596   0.003434
0.962014   0.003325
0.983186   0.002036
0.995825   0.000638
1.000000   0.000000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S835 Airfoil (s835-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s835-nr50,000923.7 at α=11°Mach=0 Ncrit=9Xfoil predictionDetails
   s835-nr50,000519.2 at α=10°Mach=0 Ncrit=5Xfoil predictionDetails
   s835-nr100,000934.8 at α=8.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s835-nr100,000535.1 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s835-nr200,000955.1 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s835-nr200,000551.9 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   s835-nr500,000977.4 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s835-nr500,000565.1 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s835-nr1,000,000988.4 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s835-nr1,000,000570.6 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
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