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NREL's S822 Airfoil (s822-nr)

NREL's S822 Airfoil - NREL HAWT airfoil S822 tip 16.0% Dia=2 to 10 m Re=6.0E+5 Clmax(S)=1.00 Clmax(R)=0.98 Restrained max lift coef


Airfoil s822-nr
Details Dat file Parser  
(s822-nr) NREL's S822 Airfoil
NREL HAWT airfoil S822 tip 16.0% Dia=2 to 10 m Re=6.0E+5 Clmax(S)=1.00 Clmax(R)=0.98 Restrained max lift coef
Max thickness 16% at 39.2% chord.
Max camber 1.8% at 59.5% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S822 Airfoil
   x/c        y/c
1.000000   0.000000
0.996089   0.000642
0.985048   0.003157
0.968133   0.007602
0.946046   0.013324
0.918825   0.020084
0.887037   0.028045
0.851444   0.037037
0.812782   0.046731
0.771742   0.056677
0.728946   0.066315
0.684771   0.074819
0.638946   0.081988
0.591971   0.087923
0.544321   0.092477
0.496467   0.095295
0.448320   0.096342
0.400324   0.095949
0.353012   0.094259
0.306932   0.091363
0.262594   0.087322
0.220471   0.082211
0.181021   0.076101
0.144635   0.069084
0.111706   0.061261
0.082528   0.052754
0.057423   0.043713
0.036592   0.034302
0.020310   0.024706
0.008599   0.015142
0.001760   0.006074
0.000651   0.003396
0.000138   0.001358
0.000023  -0.000542
0.000294  -0.001935
0.000443  -0.002413
0.001282  -0.004385
0.005329  -0.010118
0.015376  -0.018680
0.030216  -0.027173
0.049559  -0.035201
0.073374  -0.042563
0.101374  -0.049059
0.133441  -0.054581
0.169219  -0.059031
0.208482  -0.062361
0.250797  -0.064545
0.295834  -0.065585
0.343087  -0.065504
0.392138  -0.064340
0.442420  -0.062144
0.493444  -0.058965
0.544594  -0.054833
0.595407  -0.049596
0.645795  -0.043462
0.695149  -0.036874
0.742856  -0.030066
0.788279  -0.023032
0.831428  -0.016082
0.871626  -0.010003
0.907952  -0.005223
0.939440  -0.001945
0.965150  -0.000135
0.984246   0.000448
0.996022   0.000259
1.000000   0.000000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S822 Airfoil (s822-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s822-nr50,000927.7 at α=9.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s822-nr50,000523.7 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s822-nr100,000942.7 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s822-nr100,000539.8 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s822-nr200,000968.6 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   s822-nr200,000560.2 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   s822-nr500,000994.7 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s822-nr500,000585.1 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s822-nr1,000,0009117.1 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s822-nr1,000,000596.9 at α=3.5°Mach=0 Ncrit=5Xfoil predictionDetails
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