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NREL's S812 Airfoil (s812-nr)

NREL's S812 Airfoil - NREL HAWT airfoil S812 primary


Airfoil s812-nr
Details Dat file Parser  
(s812-nr) NREL's S812 Airfoil
NREL HAWT airfoil S812 primary
Max thickness 21% at 39.6% chord.
Max camber 1.6% at 77% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S812 Airfoil
   x/c       y/c
1.00000   0.00000
0.99622   0.00076
0.98532   0.00332
0.96832   0.00791
0.94620   0.01416
0.91957   0.02138
0.88852   0.02895
0.85300   0.03680
0.81338   0.04518
0.77037   0.05416
0.72473   0.06368
0.67730   0.07361
0.62903   0.08367
0.58100   0.09331
0.53392   0.10142
0.48768   0.10698
0.44181   0.10971
0.39609   0.10990
0.35073   0.10807
0.30627   0.10458
0.26322   0.09961
0.22208   0.09333
0.18329   0.08590
0.14728   0.07750
0.11447   0.06829
0.08520   0.05845
0.05982   0.04818
0.03861   0.03768
0.02182   0.02718
0.00969   0.01696
0.00239   0.00728
0.00000   0.00000
0.00007  -0.00115
0.00429  -0.00826
0.01562  -0.01526
0.03299  -0.02269
0.05617  -0.03080
0.08431  -0.04006
0.11621  -0.05032
0.15100  -0.06102
0.18802  -0.07160
0.22664  -0.08149
0.26633  -0.08997
0.30686  -0.09628
0.34820  -0.09988
0.39050  -0.10030
0.43411  -0.09760
0.47877  -0.09211
0.52437  -0.08354
0.57163  -0.07217
0.62070  -0.05937
0.67084  -0.04632
0.72113  -0.03387
0.77054  -0.02272
0.81792  -0.01341
0.86208  -0.00625
0.90185  -0.00137
0.93610   0.00133
0.96383   0.00212
0.98403   0.00150
0.99606   0.00046
1.00000   0.00000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S812 Airfoil (s812-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s812-nr50,000917.4 at α=13.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s812-nr50,000514.2 at α=11.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s812-nr100,000923.9 at α=11°Mach=0 Ncrit=9Xfoil predictionDetails
   s812-nr100,000525.8 at α=10°Mach=0 Ncrit=5Xfoil predictionDetails
   s812-nr200,000956.2 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   s812-nr200,000559.6 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s812-nr500,000992.4 at α=7.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s812-nr500,000587.4 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s812-nr1,000,0009116.5 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s812-nr1,000,0005105.2 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
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