XFOIL Version 6.96 Calculated polar for: NREL's S822 Airfoil 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.500 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.250 -0.6938 0.13758 0.13460 -0.0495 1.0000 0.0087 -19.000 -0.7151 0.12894 0.12583 -0.0539 1.0000 0.0088 -18.750 -0.7298 0.12228 0.11907 -0.0571 1.0000 0.0086 -18.500 -0.7460 0.11529 0.11197 -0.0605 1.0000 0.0086 -18.250 -0.7600 0.10888 0.10544 -0.0637 1.0000 0.0086 -18.000 -0.7736 0.10246 0.09888 -0.0670 1.0000 0.0088 -17.750 -0.7855 0.09689 0.09322 -0.0696 1.0000 0.0088 -17.500 -0.7970 0.09135 0.08756 -0.0722 1.0000 0.0088 -17.250 -0.8076 0.08638 0.08250 -0.0743 1.0000 0.0087 -16.750 -0.8267 0.07658 0.07248 -0.0787 1.0000 0.0088 -16.500 -0.8440 0.07099 0.06677 -0.0809 1.0000 0.0091 -16.250 -0.8537 0.06654 0.06222 -0.0826 1.0000 0.0091 -16.000 -0.8671 0.06175 0.05735 -0.0843 1.0000 0.0094 -15.750 -0.8747 0.05784 0.05334 -0.0856 1.0000 0.0094 -15.500 -0.8838 0.05391 0.04933 -0.0868 1.0000 0.0096 -15.250 -0.8909 0.05043 0.04575 -0.0875 1.0000 0.0097 -15.000 -0.8963 0.04730 0.04255 -0.0880 1.0000 0.0100 -14.750 -0.9029 0.04433 0.03950 -0.0880 1.0000 0.0101 -14.500 -0.9045 0.04208 0.03718 -0.0877 1.0000 0.0106 -14.250 -0.9094 0.03980 0.03483 -0.0869 1.0000 0.0109 -14.000 -0.9168 0.03778 0.03274 -0.0852 1.0000 0.0113 -13.750 -0.9237 0.03603 0.03093 -0.0835 0.9991 0.0116 -13.500 -0.9071 0.03353 0.02830 -0.0865 0.9957 0.0122 -13.250 -0.8979 0.03052 0.02518 -0.0893 0.9904 0.0129 -13.000 -0.8780 0.02875 0.02336 -0.0917 0.9858 0.0142 -12.750 -0.8555 0.02713 0.02163 -0.0942 0.9825 0.0154 -12.500 -0.8376 0.02558 0.01996 -0.0956 0.9759 0.0161 -12.250 -0.8184 0.02372 0.01807 -0.0979 0.9714 0.0184 -12.000 -0.7906 0.02279 0.01706 -0.1000 0.9674 0.0206 -11.750 -0.7718 0.02127 0.01549 -0.1014 0.9601 0.0233 -11.500 -0.7447 0.02028 0.01444 -0.1033 0.9555 0.0261 -11.250 -0.7258 0.01937 0.01344 -0.1035 0.9474 0.0285 -11.000 -0.7073 0.01839 0.01240 -0.1037 0.9406 0.0320 -10.750 -0.6904 0.01791 0.01185 -0.1027 0.9326 0.0350 -10.500 -0.6785 0.01709 0.01099 -0.1013 0.9256 0.0394 -10.250 -0.6654 0.01662 0.01047 -0.0995 0.9185 0.0434 -10.000 -0.6535 0.01601 0.00981 -0.0975 0.9125 0.0486 -9.750 -0.6412 0.01556 0.00935 -0.0954 0.9065 0.0543 -9.500 -0.6304 0.01506 0.00884 -0.0930 0.9010 0.0611 -9.000 -0.6035 0.01434 0.00809 -0.0887 0.8919 0.0777 -8.750 -0.5870 0.01394 0.00772 -0.0871 0.8876 0.0883 -8.500 -0.5688 0.01357 0.00735 -0.0858 0.8841 0.1005 -8.250 -0.5500 0.01324 0.00704 -0.0846 0.8807 0.1136 -8.000 -0.5311 0.01291 0.00675 -0.0834 0.8770 0.1272 -7.750 -0.5112 0.01258 0.00645 -0.0824 0.8734 0.1428 -7.500 -0.4901 0.01226 0.00616 -0.0815 0.8703 0.1597 -7.250 -0.4679 0.01198 0.00590 -0.0808 0.8675 0.1771 -7.000 -0.4470 0.01170 0.00568 -0.0799 0.8644 0.1956 -6.750 -0.4257 0.01141 0.00547 -0.0791 0.8610 0.2171 -6.500 -0.4030 0.01114 0.00524 -0.0784 0.8578 0.2385 -6.250 -0.3799 0.01086 0.00502 -0.0779 0.8549 0.2610 -6.000 -0.3556 0.01064 0.00483 -0.0775 0.8524 0.2834 -5.750 -0.3332 0.01040 0.00468 -0.0768 0.8492 0.3071 -5.500 -0.3098 0.01018 0.00453 -0.0763 0.8460 0.3303 -5.250 -0.2855 0.00997 0.00437 -0.0758 0.8430 0.3552 -5.000 -0.2605 0.00975 0.00420 -0.0756 0.8402 0.3792 -4.750 -0.2347 0.00957 0.00406 -0.0754 0.8377 0.4045 -4.500 -0.2107 0.00940 0.00397 -0.0749 0.8345 0.4297 -4.250 -0.1861 0.00923 0.00388 -0.0745 0.8312 0.4545 -4.000 -0.1604 0.00907 0.00378 -0.0743 0.8282 0.4797 -3.750 -0.1340 0.00891 0.00367 -0.0742 0.8255 0.5057 -3.500 -0.1070 0.00878 0.00359 -0.0742 0.8231 0.5308 -3.250 -0.0816 0.00869 0.00358 -0.0738 0.8197 0.5549 -3.000 -0.0557 0.00861 0.00356 -0.0736 0.8162 0.5773 -2.750 -0.0284 0.00856 0.00352 -0.0736 0.8131 0.5977 -2.500 -0.0002 0.00851 0.00349 -0.0737 0.8105 0.6150 -2.250 0.0286 0.00849 0.00346 -0.0740 0.8081 0.6308 -2.000 0.0549 0.00849 0.00349 -0.0738 0.8045 0.6450 -1.750 0.0819 0.00848 0.00350 -0.0737 0.8008 0.6584 -1.500 0.1100 0.00845 0.00349 -0.0738 0.7978 0.6701 -1.250 0.1390 0.00843 0.00347 -0.0741 0.7951 0.6811 -1.000 0.1681 0.00845 0.00348 -0.0744 0.7925 0.6917 -0.750 0.1941 0.00846 0.00353 -0.0741 0.7884 0.7019 -0.500 0.2216 0.00845 0.00356 -0.0741 0.7848 0.7109 -0.250 0.2504 0.00845 0.00355 -0.0744 0.7819 0.7202 0.000 0.2799 0.00845 0.00356 -0.0747 0.7792 0.7289 0.250 0.3070 0.00849 0.00363 -0.0747 0.7756 0.7369 0.500 0.3338 0.00851 0.00369 -0.0745 0.7714 0.7453 0.750 0.3624 0.00848 0.00368 -0.0747 0.7675 0.7525 1.000 0.3925 0.00847 0.00364 -0.0751 0.7637 0.7603 1.250 0.4175 0.00844 0.00369 -0.0745 0.7575 0.7672 1.500 0.4458 0.00840 0.00365 -0.0746 0.7522 0.7745 1.750 0.4742 0.00839 0.00364 -0.0746 0.7475 0.7811 2.000 0.4998 0.00838 0.00369 -0.0742 0.7412 0.7877 2.250 0.5283 0.00836 0.00366 -0.0743 0.7360 0.7945 2.500 0.5542 0.00836 0.00372 -0.0739 0.7298 0.8002 2.750 0.5812 0.00836 0.00373 -0.0737 0.7234 0.8073 3.000 0.6080 0.00836 0.00377 -0.0734 0.7172 0.8126 3.250 0.6334 0.00836 0.00382 -0.0729 0.7096 0.8190 3.500 0.6598 0.00838 0.00384 -0.0727 0.7022 0.8251 3.750 0.6847 0.00839 0.00390 -0.0720 0.6936 0.8305 4.000 0.7097 0.00843 0.00396 -0.0714 0.6843 0.8372 4.250 0.7343 0.00846 0.00401 -0.0707 0.6742 0.8424 4.500 0.7578 0.00851 0.00408 -0.0697 0.6621 0.8484 4.750 0.7806 0.00858 0.00416 -0.0688 0.6490 0.8548 5.000 0.8019 0.00867 0.00427 -0.0674 0.6351 0.8605 5.250 0.8234 0.00878 0.00438 -0.0661 0.6193 0.8673 5.500 0.8417 0.00890 0.00451 -0.0641 0.6002 0.8728 5.750 0.8582 0.00906 0.00464 -0.0619 0.5759 0.8796 6.000 0.8693 0.00929 0.00479 -0.0585 0.5421 0.8863 6.250 0.8700 0.00965 0.00499 -0.0531 0.4972 0.8950 6.500 0.8654 0.01017 0.00532 -0.0469 0.4524 0.9041 6.750 0.8636 0.01081 0.00578 -0.0415 0.4089 0.9141 7.000 0.8633 0.01143 0.00625 -0.0365 0.3692 0.9249 7.250 0.8645 0.01200 0.00671 -0.0318 0.3358 0.9366 7.500 0.8665 0.01263 0.00721 -0.0275 0.2991 0.9507 7.750 0.8776 0.01331 0.00777 -0.0253 0.2655 0.9668 8.000 0.9003 0.01421 0.00848 -0.0259 0.2246 0.9846 8.250 0.9161 0.01503 0.00913 -0.0251 0.1920 1.0000 8.500 0.9298 0.01583 0.00979 -0.0238 0.1649 1.0000 8.750 0.9440 0.01661 0.01046 -0.0226 0.1431 1.0000 9.000 0.9582 0.01740 0.01114 -0.0213 0.1229 1.0000 9.250 0.9724 0.01819 0.01185 -0.0200 0.1069 1.0000 9.500 0.9865 0.01899 0.01258 -0.0187 0.0933 1.0000 9.750 1.0009 0.01978 0.01332 -0.0175 0.0819 1.0000 10.000 1.0152 0.02057 0.01410 -0.0162 0.0723 1.0000 10.250 1.0281 0.02146 0.01495 -0.0148 0.0636 1.0000 10.500 1.0418 0.02232 0.01578 -0.0136 0.0565 1.0000 10.750 1.0552 0.02321 0.01668 -0.0123 0.0505 1.0000 11.000 1.0670 0.02421 0.01765 -0.0109 0.0449 1.0000 11.250 1.0791 0.02520 0.01868 -0.0096 0.0406 1.0000 11.500 1.0920 0.02617 0.01965 -0.0084 0.0369 1.0000 11.750 1.0981 0.02761 0.02111 -0.0066 0.0331 1.0000 12.000 1.1121 0.02853 0.02210 -0.0056 0.0311 1.0000 12.250 1.1249 0.02955 0.02316 -0.0046 0.0290 1.0000 12.500 1.1327 0.03096 0.02457 -0.0032 0.0269 1.0000 12.750 1.1380 0.03260 0.02628 -0.0017 0.0252 1.0000 13.000 1.1507 0.03370 0.02745 -0.0009 0.0239 1.0000 13.250 1.1618 0.03495 0.02875 0.0000 0.0226 1.0000 13.500 1.1715 0.03633 0.03016 0.0009 0.0213 1.0000 13.750 1.1749 0.03828 0.03215 0.0021 0.0201 1.0000 14.000 1.1774 0.04038 0.03436 0.0033 0.0192 1.0000 14.250 1.1886 0.04176 0.03582 0.0038 0.0183 1.0000 14.500 1.1961 0.04351 0.03766 0.0045 0.0176 1.0000 14.750 1.2048 0.04517 0.03938 0.0049 0.0167 1.0000 15.000 1.2131 0.04691 0.04113 0.0053 0.0156 1.0000 15.250 1.2093 0.04992 0.04423 0.0060 0.0149 1.0000 15.500 1.2091 0.05267 0.04708 0.0065 0.0144 1.0000 15.750 1.2174 0.05459 0.04910 0.0065 0.0138 1.0000 16.000 1.2209 0.05708 0.05170 0.0066 0.0133 1.0000 16.250 1.2261 0.05944 0.05414 0.0064 0.0126 1.0000 16.500 1.2291 0.06214 0.05691 0.0062 0.0121 1.0000 16.750 1.2287 0.06531 0.06016 0.0058 0.0117 1.0000 17.000 1.2221 0.06932 0.06425 0.0051 0.0111 1.0000 17.250 1.2154 0.07353 0.06859 0.0043 0.0107 1.0000 17.500 1.2148 0.07710 0.07229 0.0033 0.0104 1.0000 17.750 1.2132 0.08091 0.07623 0.0021 0.0101 1.0000 18.000 1.2100 0.08504 0.08049 0.0007 0.0098 1.0000 18.250 1.2060 0.08941 0.08498 -0.0011 0.0095 1.0000 18.500 1.2005 0.09415 0.08983 -0.0031 0.0093 1.0000 18.750 1.1956 0.09891 0.09470 -0.0053 0.0090 1.0000 19.000 1.1880 0.10425 0.10013 -0.0079 0.0087 1.0000 19.250 1.1801 0.10961 0.10563 -0.0105 0.0087 1.0000