NREL's S825 Airfoil (s825-nr)
NREL's S825 Airfoil - NREL HAWT airfoil S825 primary 17.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=1.44 Clmax(R)=1.37 High max lift coef
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(s825-nr) NREL's S825 Airfoil NREL HAWT airfoil S825 primary 17.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=1.44 Clmax(R)=1.37 High max lift coef Max thickness 17.1% at 29.9% chord. Max camber 3.9% at 65.3% chord Source NWTC National WInd Technology Center Source dat file The dat file is in Selig format |
NREL's S825 Airfoil x/c y/c 1.000000 0.000000 0.996570 0.001028 0.986818 0.004448 0.971880 0.010231 0.952717 0.017662 0.929752 0.025751 0.902833 0.033652 0.871528 0.041271 0.836114 0.048876 0.797069 0.056458 0.754897 0.063941 0.710138 0.071218 0.663351 0.078157 0.615114 0.084609 0.566008 0.090410 0.516608 0.095384 0.467478 0.099348 0.419157 0.102112 0.372156 0.103477 0.326954 0.103210 0.283877 0.100852 0.242544 0.096429 0.203250 0.090486 0.166441 0.083300 0.132516 0.075080 0.101858 0.066025 0.074808 0.056299 0.051611 0.046093 0.032528 0.035620 0.017669 0.025116 0.007250 0.014931 0.001302 0.005460 0.000279 0.002274 0.000007 0.000333 0.000133 -0.001406 0.000404 -0.002209 0.000823 -0.003044 0.001984 -0.004752 0.006527 -0.009200 0.018217 -0.016501 0.035069 -0.023802 0.056732 -0.030906 0.083012 -0.037749 0.113543 -0.044354 0.147969 -0.050900 0.185274 -0.058241 0.222707 -0.065209 0.260141 -0.069265 0.298681 -0.069043 0.339928 -0.064363 0.384494 -0.056151 0.432764 -0.045217 0.484697 -0.032983 0.539472 -0.020657 0.596075 -0.009137 0.653366 0.000870 0.710118 0.008837 0.765052 0.014417 0.816887 0.017443 0.864382 0.017898 0.906198 0.015809 0.940771 0.011862 0.967294 0.007357 0.985736 0.003455 0.996488 0.000893 1.000000 0.000000 |
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Send to airfoil plotter Add to comparison Lednicer format dat file Selig format dat file |
Similar airfoils
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Polars for NREL's S825 Airfoil (s825-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s825-nr | 50,000 | 9 | 29.3 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 50,000 | 5 | 32.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 100,000 | 9 | 50.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 100,000 | 5 | 52.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 200,000 | 9 | 70.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 200,000 | 5 | 70.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 500,000 | 9 | 97.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 500,000 | 5 | 94 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 1,000,000 | 9 | 118.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 1,000,000 | 5 | 111 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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