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NREL's S816 Airfoil (s816-nr)

NREL's S816 Airfoil - NREL HAWT airfoil S816 primary 21.0% Dia=30 to 50 m Re=4.0E+6 Clmax(S)=1.20 Clmax(R)=1.17 Restrained max lift coef


Airfoil s816-nr
Details Dat file Parser  
(s816-nr) NREL's S816 Airfoil
NREL HAWT airfoil S816 primary 21.0% Dia=30 to 50 m Re=4.0E+6 Clmax(S)=1.20 Clmax(R)=1.17 Restrained max lift coef
Max thickness 21% at 39% chord.
Max camber 1.8% at 67.6% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S816 Airfoil
   x/c        y/c
1.000000   0.000000
0.996139   0.000651
0.985006   0.003106
0.967648   0.007693
0.945108   0.014107
0.918057   0.021688
0.886684   0.029800
0.850938   0.038386
0.811363   0.047651
0.768687   0.057519
0.723658   0.067795
0.677026   0.078194
0.629529   0.088357
0.581877   0.097848
0.534734   0.106146
0.488712   0.112580
0.444024   0.115865
0.399264   0.115944
0.354691   0.113814
0.310843   0.109842
0.268201   0.104282
0.227257   0.097354
0.188452   0.089266
0.152242   0.080231
0.119020   0.070459
0.089205   0.060180
0.063139   0.049617
0.041222   0.039012
0.023779   0.028504
0.010945   0.018311
0.003011   0.008777
0.000227   0.002063
0.000010   0.000379
0.000002   0.000169
0.000178  -0.001513
0.000945  -0.003074
0.002207  -0.004692
0.003672  -0.006156
0.014071  -0.012887
0.030485  -0.019801
0.052544  -0.026861
0.080161  -0.034320
0.112634  -0.042883
0.148454  -0.052315
0.187053  -0.062182
0.227531  -0.072135
0.269005  -0.082228
0.309260  -0.090933
0.348681  -0.095266
0.389942  -0.094987
0.433138  -0.091132
0.478623  -0.084226
0.526146  -0.075203
0.575246  -0.064753
0.625372  -0.053529
0.675866  -0.042173
0.725961  -0.031295
0.774778  -0.021447
0.821346  -0.013082
0.864623  -0.006523
0.903547  -0.001926
0.937074   0.000740
0.964248   0.001689
0.984158   0.001296
0.996076   0.000427
1.000000   0.000000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S816 Airfoil (s816-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s816-nr50,000916.9 at α=13°Mach=0 Ncrit=9Xfoil predictionDetails
   s816-nr50,000512.9 at α=12.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s816-nr100,000921 at α=11.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s816-nr100,000522.2 at α=10.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s816-nr200,000959 at α=8.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s816-nr200,000560.6 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s816-nr500,000996.9 at α=7.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s816-nr500,000591 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s816-nr1,000,0009121.4 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   s816-nr1,000,0005108.8 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
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