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
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(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 |
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Polars for NREL's S828 Airfoil (s828-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s828-nr | 50,000 | 9 | 19.8 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s828-nr | 50,000 | 5 | 18.1 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s828-nr | 100,000 | 9 | 28.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s828-nr | 100,000 | 5 | 28.5 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s828-nr | 200,000 | 9 | 63.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s828-nr | 200,000 | 5 | 40.3 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s828-nr | 500,000 | 9 | 76.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s828-nr | 500,000 | 5 | 82 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s828-nr | 1,000,000 | 9 | 112.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s828-nr | 1,000,000 | 5 | 107 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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