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NREL's S829 Airfoil (s829-nr)

NREL's S829 Airfoil - NREL HAWT airfoil S829 tip 16.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=0.70 Clmax(R)=0.68 Restrained max lift coef


Airfoil s829-nr
Details Dat file Parser  
(s829-nr) NREL's S829 Airfoil
NREL HAWT airfoil S829 tip 16.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=0.70 Clmax(R)=0.68 Restrained max lift coef
Max thickness 16% at 48.3% chord.
Max camber 0.7% at 48.3% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S829 Airfoil
   x/c        y/c
1.000000   0.000000
0.995908   0.000184
0.983952   0.001451
0.965020   0.004552
0.940227   0.009705
0.910603   0.016689
0.876933   0.025073
0.839824   0.034535
0.800071   0.044742
0.758431   0.055135
0.715519   0.064992
0.671626   0.073541
0.626802   0.080193
0.580845   0.084567
0.533523   0.087003
0.485305   0.087935
0.436759   0.087540
0.388426   0.085941
0.340865   0.083244
0.294603   0.079547
0.250182   0.074947
0.208099   0.069533
0.168842   0.063402
0.132850   0.056645
0.100532   0.049368
0.072257   0.041673
0.048331   0.033676
0.029058   0.025463
0.014499   0.017185
0.004915   0.009131
0.000687   0.002799
0.000298   0.001695
0.000148   0.001107
0.000023  -0.000427
0.000469  -0.001921
0.001361  -0.003523
0.002135  -0.004596
0.010086  -0.011696
0.023141  -0.018955
0.041281  -0.026113
0.064230  -0.033011
0.091829  -0.039542
0.123746  -0.045653
0.159638  -0.051272
0.199090  -0.056344
0.241652  -0.060807
0.286841  -0.064613
0.334124  -0.067702
0.382968  -0.070023
0.432791  -0.071515
0.483034  -0.072111
0.533112  -0.071744
0.582463  -0.070329
0.630507  -0.067742
0.676785  -0.063696
0.721212  -0.058010
0.763759  -0.050820
0.804383  -0.042496
0.842871  -0.033601
0.878852  -0.024774
0.911728  -0.016650
0.940830  -0.009764
0.965297  -0.004631
0.984045  -0.001508
0.995921  -0.000204
1.000000   0.000000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S829 Airfoil (s829-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s829-nr50,000922.4 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s829-nr50,000521 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s829-nr100,000933.1 at α=6.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s829-nr100,000525.3 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s829-nr200,000947.5 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s829-nr200,000535.6 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s829-nr500,000963 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s829-nr500,000562.3 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s829-nr1,000,000988.2 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   s829-nr1,000,000572.4 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
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