XFOIL Version 6.96 Calculated polar for: NREL's S819 Airfoil 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.100 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -17.750 -0.4749 0.13696 0.13216 -0.0381 1.0000 0.0791 -17.500 -0.5205 0.12779 0.12292 -0.0437 1.0000 0.0793 -17.250 -0.5561 0.12092 0.11595 -0.0478 1.0000 0.0798 -17.000 -0.5905 0.11489 0.10980 -0.0512 1.0000 0.0805 -16.750 -0.6233 0.10975 0.10454 -0.0541 1.0000 0.0814 -16.500 -0.6593 0.10490 0.09953 -0.0568 1.0000 0.0824 -16.250 -0.6952 0.09940 0.09385 -0.0595 1.0000 0.0829 -16.000 -0.7306 0.09383 0.08807 -0.0619 1.0000 0.0823 -15.750 -0.7628 0.08869 0.08271 -0.0638 1.0000 0.0815 -15.500 -0.7947 0.08395 0.07772 -0.0653 1.0000 0.0806 -15.250 -0.7442 0.08386 0.07724 -0.0632 1.0000 0.0589 -14.750 -0.6779 0.08213 0.07481 -0.0598 1.0000 0.0309 -14.250 -0.8585 0.07819 0.07014 -0.0608 1.0000 0.0459 -14.000 -0.8923 0.07579 0.06744 -0.0612 1.0000 0.0449 -13.750 -0.7432 0.07843 0.06997 -0.0553 1.0000 0.0252 -13.500 -0.7249 0.07698 0.06831 -0.0543 1.0000 0.0233 -13.250 -0.7463 0.07410 0.06508 -0.0551 1.0000 0.0223 -13.000 -0.6774 0.07540 0.06654 -0.0516 1.0000 0.0209 -12.750 -0.6389 0.07608 0.06724 -0.0489 1.0000 0.0201 -12.500 -0.6079 0.07666 0.06780 -0.0467 1.0000 0.0195 -12.250 -0.5778 0.07747 0.06858 -0.0443 1.0000 0.0190 -12.000 -0.5520 0.07804 0.06914 -0.0422 1.0000 0.0185 -11.750 -0.5178 0.08004 0.07116 -0.0393 1.0000 0.0183 -11.500 -0.4705 0.08456 0.07576 -0.0352 1.0000 0.0180 -11.250 -0.4244 0.08970 0.08106 -0.0312 1.0000 0.0187 -11.000 -0.4015 0.09090 0.08232 -0.0294 1.0000 0.0193 -10.750 -0.3845 0.09106 0.08251 -0.0281 1.0000 0.0205 -10.500 -0.3708 0.09067 0.08212 -0.0271 1.0000 0.0208 -10.250 -0.3599 0.08978 0.08123 -0.0262 1.0000 0.0213 -10.000 -0.3510 0.08866 0.08011 -0.0254 1.0000 0.0216 -9.750 -0.3441 0.08720 0.07866 -0.0248 1.0000 0.0216 -9.500 -0.3391 0.08549 0.07694 -0.0241 1.0000 0.0218 -9.250 -0.3356 0.08359 0.07503 -0.0235 1.0000 0.0219 -9.000 -0.3332 0.08160 0.07301 -0.0229 1.0000 0.0219 -8.750 -0.3345 0.07920 0.07060 -0.0222 1.0000 0.0222 -8.500 -0.3341 0.07706 0.06845 -0.0215 1.0000 0.0222 -8.250 -0.3378 0.07453 0.06589 -0.0207 1.0000 0.0225 -8.000 -0.3423 0.07201 0.06335 -0.0199 1.0000 0.0227 -7.750 -0.3481 0.06949 0.06081 -0.0188 1.0000 0.0228 -7.500 -0.3558 0.06693 0.05823 -0.0176 1.0000 0.0230 -7.250 -0.3659 0.06435 0.05562 -0.0162 1.0000 0.0232 -7.000 -0.3788 0.06181 0.05306 -0.0144 1.0000 0.0233 -6.750 -0.3955 0.05928 0.05053 -0.0122 1.0000 0.0233 -6.500 -0.3967 0.05542 0.04656 -0.0147 0.9948 0.0236 -6.250 -0.3902 0.05076 0.04173 -0.0198 0.9853 0.0241 -6.000 -0.3845 0.04631 0.03709 -0.0245 0.9738 0.0247 -5.750 -0.3799 0.04214 0.03273 -0.0285 0.9602 0.0252 -5.250 -0.3773 0.03489 0.02511 -0.0338 0.9253 0.0269 -5.000 -0.3749 0.03182 0.02185 -0.0357 0.9060 0.0282 -4.750 -0.3619 0.02907 0.01890 -0.0386 0.8901 0.0325 -4.500 -0.3446 0.02687 0.01662 -0.0408 0.8760 0.0645 -4.250 -0.3438 0.02268 0.01316 -0.0437 0.8595 0.2843 -4.000 -0.3094 0.02224 0.01268 -0.0463 0.8489 0.3203 -3.750 -0.2725 0.02315 0.01371 -0.0480 0.8372 0.3446 -3.500 -0.2387 0.02435 0.01485 -0.0491 0.8237 0.3650 -3.250 -0.2051 0.02409 0.01456 -0.0502 0.8112 0.3664 -3.000 -0.1719 0.02372 0.01410 -0.0514 0.7986 0.3675 -2.750 -0.1391 0.02336 0.01365 -0.0526 0.7859 0.3688 -2.500 -0.1087 0.02303 0.01322 -0.0534 0.7722 0.3702 -2.250 -0.0801 0.02270 0.01279 -0.0539 0.7579 0.3718 -2.000 -0.0517 0.02237 0.01236 -0.0544 0.7440 0.3736 -1.750 -0.0235 0.02203 0.01191 -0.0549 0.7303 0.3756 -1.500 0.0047 0.02169 0.01142 -0.0555 0.7172 0.3778 -1.250 0.0330 0.02136 0.01092 -0.0561 0.7045 0.3803 -1.000 0.0604 0.02125 0.01083 -0.0561 0.6915 0.3818 -0.750 0.0872 0.02117 0.01075 -0.0561 0.6784 0.3836 -0.500 0.1142 0.02108 0.01065 -0.0561 0.6662 0.3858 -0.250 0.1417 0.02097 0.01050 -0.0563 0.6547 0.3883 0.000 0.1687 0.02084 0.01030 -0.0564 0.6429 0.3911 0.250 0.1953 0.02068 0.01007 -0.0566 0.6311 0.3942 0.500 0.2224 0.02058 0.00995 -0.0567 0.6203 0.3965 0.750 0.2494 0.02056 0.00994 -0.0567 0.6099 0.3986 1.000 0.2754 0.02054 0.00998 -0.0566 0.5988 0.4011 1.250 0.3024 0.02051 0.00995 -0.0566 0.5887 0.4041 1.500 0.3293 0.02047 0.00988 -0.0567 0.5786 0.4074 1.750 0.3560 0.02042 0.00979 -0.0569 0.5682 0.4111 2.000 0.3829 0.02045 0.00987 -0.0568 0.5596 0.4136 2.250 0.4087 0.02051 0.01003 -0.0566 0.5495 0.4168 2.500 0.4354 0.02056 0.01010 -0.0566 0.5406 0.4207 2.750 0.4623 0.02059 0.01012 -0.0567 0.5314 0.4254 3.000 0.4885 0.02067 0.01030 -0.0566 0.5227 0.4290 3.250 0.5150 0.02078 0.01048 -0.0565 0.5146 0.4329 3.500 0.5412 0.02088 0.01067 -0.0565 0.5061 0.4377 3.750 0.5683 0.02097 0.01075 -0.0566 0.4982 0.4428 4.000 0.5937 0.02112 0.01105 -0.0564 0.4900 0.4465 4.250 0.6203 0.02126 0.01127 -0.0563 0.4827 0.4513 4.500 0.6466 0.02142 0.01148 -0.0563 0.4751 0.4567 4.750 0.6725 0.02158 0.01176 -0.0561 0.4677 0.4612 5.000 0.6984 0.02178 0.01208 -0.0560 0.4607 0.4663 5.250 0.7243 0.02198 0.01237 -0.0559 0.4533 0.4727 5.500 0.7505 0.02219 0.01268 -0.0558 0.4469 0.4779 5.750 0.7747 0.02242 0.01310 -0.0554 0.4388 0.4840 6.000 0.8011 0.02262 0.01333 -0.0553 0.4318 0.4908 6.250 0.8237 0.02286 0.01378 -0.0546 0.4228 0.4964 6.500 0.8488 0.02307 0.01406 -0.0543 0.4150 0.5036 6.750 0.8709 0.02331 0.01449 -0.0535 0.4057 0.5098 7.000 0.8937 0.02354 0.01484 -0.0528 0.3970 0.5169 7.250 0.9161 0.02377 0.01519 -0.0520 0.3876 0.5242 7.500 0.9367 0.02404 0.01566 -0.0510 0.3780 0.5314 7.750 0.9589 0.02428 0.01596 -0.0502 0.3687 0.5398 8.000 0.9773 0.02456 0.01647 -0.0489 0.3577 0.5473 8.250 0.9963 0.02487 0.01692 -0.0477 0.3469 0.5558 8.500 1.0142 0.02516 0.01734 -0.0462 0.3360 0.5638 8.750 1.0307 0.02550 0.01784 -0.0447 0.3243 0.5726 9.000 1.0452 0.02590 0.01842 -0.0428 0.3117 0.5812 9.250 1.0579 0.02631 0.01899 -0.0407 0.2989 0.5899 9.500 1.0676 0.02677 0.01958 -0.0382 0.2854 0.5988 9.750 1.0761 0.02736 0.02030 -0.0357 0.2704 0.6076 10.000 1.0840 0.02810 0.02115 -0.0333 0.2537 0.6175 10.250 1.0892 0.02899 0.02212 -0.0308 0.2355 0.6263 10.500 1.0921 0.03011 0.02326 -0.0284 0.2163 0.6362 10.750 1.0927 0.03145 0.02467 -0.0260 0.1975 0.6457 11.000 1.0908 0.03311 0.02633 -0.0238 0.1808 0.6555 11.250 1.0878 0.03505 0.02828 -0.0219 0.1661 0.6663 11.500 1.0838 0.03720 0.03049 -0.0204 0.1532 0.6764 11.750 1.0795 0.03959 0.03295 -0.0192 0.1421 0.6875 12.000 1.0735 0.04232 0.03572 -0.0184 0.1326 0.6995 12.250 1.0701 0.04498 0.03852 -0.0179 0.1231 0.7122 12.500 1.0647 0.04794 0.04158 -0.0176 0.1156 0.7259 12.750 1.0597 0.05099 0.04476 -0.0175 0.1085 0.7410 13.000 1.0546 0.05415 0.04804 -0.0175 0.1022 0.7579 13.250 1.0494 0.05738 0.05142 -0.0177 0.0961 0.7774 13.500 1.0423 0.06072 0.05486 -0.0178 0.0914 0.8012 13.750 1.0372 0.06367 0.05806 -0.0174 0.0860 0.8379 14.000 1.0245 0.06648 0.06106 -0.0166 0.0825 1.0000 14.250 1.0230 0.07017 0.06478 -0.0179 0.0778 1.0000 14.500 1.0219 0.07389 0.06859 -0.0194 0.0728 1.0000 14.750 1.0186 0.07788 0.07255 -0.0209 0.0690 1.0000 15.000 1.0190 0.08153 0.07631 -0.0224 0.0648 1.0000 15.250 1.0178 0.08546 0.08031 -0.0240 0.0609 1.0000 15.500 1.0155 0.08946 0.08428 -0.0257 0.0578 1.0000 15.750 1.0161 0.09325 0.08821 -0.0272 0.0544 1.0000 16.000 1.0152 0.09732 0.09237 -0.0290 0.0513 1.0000 16.250 1.0135 0.10150 0.09657 -0.0310 0.0488 1.0000 16.500 1.0134 0.10545 0.10058 -0.0327 0.0462 1.0000 16.750 1.0118 0.10985 0.10513 -0.0349 0.0436 1.0000 17.000 1.0104 0.11421 0.10957 -0.0371 0.0415 1.0000 17.250 1.0097 0.11837 0.11374 -0.0393 0.0396 1.0000 17.500 1.0080 0.12287 0.11834 -0.0416 0.0378 1.0000 17.750 1.0032 0.12815 0.12380 -0.0445 0.0360 1.0000 18.000 0.9991 0.13328 0.12905 -0.0474 0.0345 1.0000 18.250 0.9970 0.13806 0.13391 -0.0503 0.0330 1.0000 18.500 0.9992 0.14177 0.13758 -0.0525 0.0317 1.0000 18.750 0.9899 0.14839 0.14439 -0.0566 0.0307 1.0000 19.000 0.9762 0.15621 0.15243 -0.0615 0.0299 1.0000 19.250 0.9582 0.16538 0.16179 -0.0674 0.0292 1.0000