AH 93-W-257 (ah93w257-il)
AH 93-W-257 - Althaus AH 93-W-257 airfoil for use on wind turbines (W)
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(ah93w257-il) AH 93-W-257 Althaus AH 93-W-257 airfoil for use on wind turbines (W) Max thickness 25.7% at 30.9% chord. Max camber 2.1% at 77.8% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Selig format |
AH 93-W-257 1.00000 0.00029 0.99893 0.00062 0.99572 0.00162 0.99039 0.00325 0.98296 0.00528 0.97347 0.00777 0.96194 0.01050 0.94844 0.01349 0.93301 0.01683 0.91573 0.02050 0.89668 0.02455 0.87592 0.02899 0.85355 0.03388 0.82967 0.03921 0.80438 0.04499 0.77779 0.05121 0.75000 0.05783 0.72114 0.06479 0.69134 0.07203 0.66072 0.07947 0.62941 0.08702 0.59755 0.09461 0.56526 0.10209 0.53270 0.10928 0.50000 0.11592 0.46730 0.12168 0.43474 0.12630 0.40245 0.12957 0.37059 0.13139 0.33928 0.13177 0.30866 0.13075 0.27886 0.12842 0.25000 0.12490 0.22221 0.12032 0.19562 0.11481 0.17033 0.10849 0.14645 0.10148 0.12408 0.09387 0.10332 0.08575 0.08427 0.07724 0.06699 0.06843 0.05156 0.05942 0.03806 0.05035 0.02653 0.04133 0.01704 0.03254 0.00961 0.02407 0.00428 0.01610 0.00107 0.00840 0.00000 0.00000 0.00107 -0.01027 0.00428 -0.02084 0.00961 -0.03119 0.01704 -0.04116 0.02653 -0.05117 0.03806 -0.06075 0.05156 -0.06981 0.06699 -0.07847 0.08427 -0.08673 0.10332 -0.09454 0.12408 -0.10181 0.14645 -0.10837 0.17033 -0.11406 0.19562 -0.11874 0.22221 -0.12233 0.25000 -0.12480 0.27886 -0.12604 0.30866 -0.12599 0.33928 -0.12461 0.37059 -0.12194 0.40245 -0.11799 0.43474 -0.11277 0.46730 -0.10623 0.50000 -0.09842 0.53270 -0.08953 0.56526 -0.07980 0.59755 -0.06953 0.62941 -0.05910 0.66072 -0.04886 0.69134 -0.03913 0.72114 -0.03020 0.75000 -0.02226 0.77779 -0.01550 0.80438 -0.01006 0.82967 -0.00594 0.85355 -0.00303 0.87592 -0.00123 0.89668 -0.00038 0.91573 -0.00035 0.93301 -0.00096 0.94844 -0.00201 0.96194 -0.00337 0.97347 -0.00480 0.98296 -0.00601 0.99039 -0.00696 0.99572 -0.00728 0.99893 -0.00739 1.00000 -0.00744 |
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Polars for AH 93-W-257 (ah93w257-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ah93w257-il | 50,000 | 9 | 2.9 at α=14.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w257-il | 50,000 | 5 | 6.5 at α=17.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w257-il | 100,000 | 9 | 13.6 at α=16.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w257-il | 100,000 | 5 | 23.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w257-il | 200,000 | 9 | 49.6 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w257-il | 200,000 | 5 | 58.3 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w257-il | 500,000 | 9 | 92.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w257-il | 500,000 | 5 | 92.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w257-il | 1,000,000 | 9 | 120.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w257-il | 1,000,000 | 5 | 114.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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