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NREL's S828 Airfoil (s828-nr)

NREL's S828 Airfoil - NREL HAWT airfoil S828 tip 16.0% Dia=40 to 50 m Re=3.0E+6 Clmax(S)=0.90 Clmax(R)=0.89 Restrained max lift coef


Airfoil s828-nr
Details Dat file Parser  
(s828-nr) NREL's S828 Airfoil
NREL HAWT airfoil S828 tip 16.0% Dia=40 to 50 m Re=3.0E+6 Clmax(S)=0.90 Clmax(R)=0.89 Restrained max lift coef
Max thickness 16% at 47.1% chord.
Max camber 2.2% at 47.1% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S828 Airfoil
   x/c        y/c
1.000000   0.000000
0.995917   0.000405
0.984089   0.002349
0.965587   0.006498
0.941618   0.012853
0.913148   0.020957
0.880750   0.030228
0.844781   0.040401
0.805955   0.051297
0.765006   0.062482
0.722578   0.073422
0.679231   0.083519
0.635449   0.092080
0.591341   0.097953
0.545747   0.101168
0.499036   0.102526
0.451750   0.102287
0.404439   0.100612
0.357619   0.097636
0.311835   0.093478
0.267581   0.088249
0.225365   0.082069
0.185644   0.075054
0.148865   0.067332
0.115428   0.059030
0.085695   0.050294
0.059996   0.041273
0.038591   0.032138
0.021741   0.023070
0.009546   0.014301
0.002265   0.006207
0.000384   0.002246
0.000037   0.000615
0.000002  -0.000135
0.000039  -0.000597
0.000083  -0.000824
0.000327  -0.001483
0.000710  -0.002163
0.001808  -0.003574
0.004825  -0.006272
0.015503  -0.012403
0.031452  -0.018386
0.052643  -0.024065
0.078778  -0.029393
0.109617  -0.034329
0.144779  -0.038879
0.183838  -0.043015
0.226326  -0.046714
0.271718  -0.049940
0.319480  -0.052658
0.369018  -0.054818
0.419762  -0.056366
0.471102  -0.057244
0.522453  -0.057393
0.573209  -0.056746
0.622793  -0.055227
0.670619  -0.052724
0.716137  -0.049001
0.759192  -0.043652
0.799991  -0.036719
0.838713  -0.028674
0.875302  -0.020354
0.909205  -0.012826
0.939390  -0.006839
0.964685  -0.002780
0.983882  -0.000640
0.995904   0.000013
1.000000   0.000000
Dat file parser warnings
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Polars for NREL's S828 Airfoil (s828-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s828-nr50,000919.8 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   s828-nr50,000518.1 at α=9.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s828-nr100,000928.9 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   s828-nr100,000528.5 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s828-nr200,000963.9 at α=6.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s828-nr200,000540.3 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s828-nr500,000976.9 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   s828-nr500,000582 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s828-nr1,000,0009112.4 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s828-nr1,000,0005107 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
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