Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
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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 | Remove Airfoil details Airfoil plotter |
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Polars for (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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