XFOIL Version 6.96 Calculated polar for: NREL's S823 Airfoil 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 1.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -18.000 -0.8627 0.11896 0.11535 -0.0432 1.0000 0.0743 -17.750 -0.8878 0.11210 0.10844 -0.0461 1.0000 0.0776 -17.250 -0.9407 0.09854 0.09482 -0.0517 1.0000 0.0875 -17.000 -0.9571 0.09337 0.08961 -0.0537 1.0000 0.0910 -16.750 -0.9688 0.08892 0.08511 -0.0554 1.0000 0.0936 -16.500 -0.9849 0.08400 0.08015 -0.0572 1.0000 0.0956 -16.250 -1.0005 0.07922 0.07535 -0.0590 1.0000 0.0978 -16.000 -1.0133 0.07491 0.07100 -0.0605 1.0000 0.1002 -15.750 -1.0161 0.07189 0.06795 -0.0614 1.0000 0.1021 -15.500 -1.0194 0.06885 0.06486 -0.0623 1.0000 0.1028 -15.250 -1.0186 0.06637 0.06233 -0.0629 1.0000 0.1034 -15.000 -1.0196 0.06367 0.05958 -0.0635 1.0000 0.1038 -14.750 -1.0289 0.06023 0.05609 -0.0644 1.0000 0.1053 -14.500 -1.0420 0.05643 0.05224 -0.0652 1.0000 0.1067 -14.250 -1.0536 0.05291 0.04868 -0.0659 1.0000 0.1076 -14.000 -1.0622 0.04986 0.04558 -0.0662 1.0000 0.1081 -13.750 -1.0732 0.04675 0.04243 -0.0663 1.0000 0.1088 -13.500 -1.0860 0.04374 0.03937 -0.0661 1.0000 0.1095 -13.250 -1.0996 0.04094 0.03654 -0.0655 1.0000 0.1104 -13.000 -1.1047 0.03835 0.03392 -0.0659 0.9996 0.1113 -12.750 -1.0837 0.03633 0.03187 -0.0695 0.9978 0.1128 -12.500 -1.0592 0.03475 0.03025 -0.0727 0.9959 0.1140 -12.250 -1.0326 0.03328 0.02874 -0.0761 0.9942 0.1149 -12.000 -1.0018 0.03224 0.02768 -0.0793 0.9930 0.1154 -11.750 -0.9832 0.03027 0.02566 -0.0823 0.9898 0.1161 -11.500 -0.9692 0.02745 0.02279 -0.0865 0.9854 0.1178 -11.250 -0.9473 0.02506 0.02035 -0.0912 0.9825 0.1197 -11.000 -0.9185 0.02331 0.01859 -0.0957 0.9807 0.1215 -10.750 -0.9071 0.02157 0.01682 -0.0967 0.9717 0.1222 -10.500 -0.8784 0.02021 0.01544 -0.1002 0.9685 0.1232 -10.250 -0.8651 0.01880 0.01399 -0.1009 0.9576 0.1240 -10.000 -0.8370 0.01765 0.01279 -0.1036 0.9518 0.1248 -9.750 -0.8100 0.01654 0.01164 -0.1062 0.9431 0.1254 -9.500 -0.7707 0.01571 0.01076 -0.1103 0.9396 0.1260 -9.250 -0.7331 0.01509 0.01009 -0.1136 0.9327 0.1265 -9.000 -0.6878 0.01455 0.00951 -0.1181 0.9277 0.1270 -8.750 -0.6453 0.01407 0.00897 -0.1219 0.9198 0.1275 -8.500 -0.6063 0.01368 0.00851 -0.1250 0.9085 0.1280 -8.250 -0.5759 0.01332 0.00807 -0.1263 0.8936 0.1284 -8.000 -0.5515 0.01281 0.00747 -0.1268 0.8779 0.1304 -7.750 -0.5272 0.01243 0.00703 -0.1269 0.8639 0.1322 -7.500 -0.5024 0.01213 0.00668 -0.1269 0.8511 0.1339 -7.250 -0.4772 0.01187 0.00637 -0.1269 0.8392 0.1357 -7.000 -0.4517 0.01164 0.00610 -0.1269 0.8276 0.1372 -6.750 -0.4256 0.01144 0.00586 -0.1269 0.8168 0.1388 -6.500 -0.3992 0.01129 0.00565 -0.1269 0.8064 0.1401 -6.250 -0.3722 0.01114 0.00546 -0.1269 0.7962 0.1411 -6.000 -0.3458 0.01089 0.00517 -0.1270 0.7869 0.1443 -5.750 -0.3191 0.01066 0.00494 -0.1271 0.7772 0.1481 -5.500 -0.2918 0.01048 0.00475 -0.1272 0.7681 0.1510 -5.250 -0.2644 0.01036 0.00458 -0.1273 0.7586 0.1537 -5.000 -0.2363 0.01022 0.00442 -0.1274 0.7500 0.1565 -4.750 -0.2089 0.01003 0.00423 -0.1276 0.7414 0.1616 -4.500 -0.1806 0.00987 0.00408 -0.1278 0.7331 0.1656 -4.000 -0.1240 0.00965 0.00382 -0.1281 0.7160 0.1727 -3.750 -0.0959 0.00953 0.00369 -0.1282 0.7078 0.1774 -3.500 -0.0670 0.00942 0.00359 -0.1285 0.7000 0.1813 -3.250 -0.0386 0.00938 0.00351 -0.1286 0.6918 0.1839 -3.000 -0.0097 0.00924 0.00339 -0.1288 0.6839 0.1894 -2.750 0.0190 0.00916 0.00330 -0.1290 0.6759 0.1939 -2.500 0.0480 0.00910 0.00324 -0.1291 0.6685 0.1976 -2.250 0.0768 0.00903 0.00316 -0.1293 0.6605 0.2021 -2.000 0.1057 0.00895 0.00309 -0.1295 0.6532 0.2076 -1.750 0.1348 0.00889 0.00304 -0.1297 0.6455 0.2121 -1.500 0.1635 0.00887 0.00299 -0.1297 0.6382 0.2161 -1.250 0.1930 0.00878 0.00293 -0.1300 0.6308 0.2218 -1.000 0.2216 0.00877 0.00290 -0.1300 0.6235 0.2265 -0.750 0.2510 0.00874 0.00288 -0.1302 0.6165 0.2302 -0.500 0.2800 0.00869 0.00284 -0.1303 0.6091 0.2364 -0.250 0.3091 0.00866 0.00283 -0.1305 0.6024 0.2416 0.000 0.3383 0.00866 0.00282 -0.1305 0.5954 0.2454 0.250 0.3670 0.00864 0.00280 -0.1306 0.5885 0.2519 0.500 0.3966 0.00860 0.00280 -0.1308 0.5820 0.2575 0.750 0.4252 0.00863 0.00281 -0.1307 0.5753 0.2618 1.000 0.4545 0.00860 0.00282 -0.1309 0.5691 0.2685 1.250 0.4836 0.00860 0.00284 -0.1309 0.5624 0.2743 1.500 0.5119 0.00865 0.00286 -0.1308 0.5557 0.2794 1.750 0.5415 0.00862 0.00289 -0.1310 0.5494 0.2861 2.000 0.5699 0.00866 0.00292 -0.1309 0.5420 0.2923 2.250 0.5987 0.00867 0.00296 -0.1309 0.5347 0.2998 2.500 0.6272 0.00870 0.00301 -0.1308 0.5270 0.3076 2.750 0.6556 0.00873 0.00306 -0.1307 0.5198 0.3158 3.000 0.6843 0.00876 0.00312 -0.1306 0.5124 0.3229 3.250 0.7119 0.00884 0.00318 -0.1304 0.5047 0.3288 3.500 0.7408 0.00886 0.00325 -0.1303 0.4969 0.3357 3.750 0.7679 0.00896 0.00333 -0.1299 0.4887 0.3416 4.000 0.7967 0.00898 0.00340 -0.1299 0.4812 0.3491 4.250 0.8235 0.00909 0.00349 -0.1294 0.4723 0.3563 4.500 0.8520 0.00913 0.00358 -0.1293 0.4642 0.3631 4.750 0.8786 0.00925 0.00369 -0.1288 0.4547 0.3702 5.000 0.9059 0.00934 0.00378 -0.1285 0.4442 0.3768 5.250 0.9328 0.00944 0.00391 -0.1280 0.4337 0.3850 5.500 0.9583 0.00960 0.00404 -0.1273 0.4213 0.3919 5.750 0.9838 0.00976 0.00419 -0.1267 0.4069 0.3997 6.000 1.0088 0.00994 0.00434 -0.1259 0.3914 0.4074 6.250 1.0326 0.01017 0.00453 -0.1249 0.3730 0.4152 6.500 1.0552 0.01046 0.00475 -0.1238 0.3503 0.4228 6.750 1.0760 0.01081 0.00502 -0.1223 0.3265 0.4303 7.000 1.0953 0.01118 0.00531 -0.1206 0.3012 0.4384 7.250 1.1106 0.01166 0.00564 -0.1182 0.2717 0.4452 7.500 1.1238 0.01220 0.00604 -0.1154 0.2410 0.4526 7.750 1.1368 0.01280 0.00649 -0.1127 0.2128 0.4596 8.000 1.1528 0.01330 0.00692 -0.1106 0.1913 0.4682 8.250 1.1671 0.01386 0.00738 -0.1081 0.1708 0.4757 8.500 1.1817 0.01441 0.00787 -0.1058 0.1531 0.4837 9.000 1.2092 0.01558 0.00891 -0.1011 0.1214 0.5006 9.250 1.2220 0.01622 0.00949 -0.0987 0.1074 0.5089 9.500 1.2360 0.01681 0.01007 -0.0965 0.0966 0.5175 9.750 1.2490 0.01746 0.01069 -0.0942 0.0865 0.5265 10.000 1.2618 0.01814 0.01136 -0.0921 0.0778 0.5361 10.250 1.2729 0.01893 0.01212 -0.0897 0.0694 0.5449 10.500 1.2857 0.01966 0.01287 -0.0877 0.0630 0.5549 10.750 1.2974 0.02048 0.01369 -0.0857 0.0571 0.5649 11.000 1.3080 0.02140 0.01461 -0.0836 0.0516 0.5754 11.250 1.3199 0.02227 0.01552 -0.0818 0.0472 0.5858 11.500 1.3294 0.02334 0.01659 -0.0798 0.0427 0.5965 11.750 1.3408 0.02432 0.01762 -0.0781 0.0393 0.6087 12.000 1.3495 0.02553 0.01885 -0.0763 0.0356 0.6205 12.250 1.3601 0.02666 0.02003 -0.0748 0.0326 0.6327 12.500 1.3687 0.02798 0.02138 -0.0732 0.0299 0.6457 12.750 1.3783 0.02927 0.02272 -0.0718 0.0276 0.6603 13.000 1.3868 0.03069 0.02420 -0.0704 0.0255 0.6755 13.250 1.3947 0.03222 0.02579 -0.0691 0.0235 0.6915 13.500 1.4033 0.03373 0.02739 -0.0680 0.0219 0.7098 14.000 1.4175 0.03716 0.03098 -0.0659 0.0189 0.7529 14.250 1.4245 0.03894 0.03287 -0.0650 0.0177 0.7820 14.500 1.4287 0.04096 0.03503 -0.0640 0.0164 0.8236 14.750 1.4298 0.04248 0.03686 -0.0620 0.0157 1.0000 15.000 1.4361 0.04458 0.03899 -0.0614 0.0148 1.0000 15.250 1.4409 0.04689 0.04133 -0.0610 0.0140 1.0000 15.500 1.4433 0.04952 0.04399 -0.0606 0.0131 1.0000 15.750 1.4497 0.05177 0.04629 -0.0603 0.0126 1.0000 16.000 1.4543 0.05428 0.04885 -0.0601 0.0120 1.0000 16.250 1.4577 0.05700 0.05161 -0.0600 0.0115 1.0000 16.500 1.4594 0.05997 0.05462 -0.0601 0.0110 1.0000 16.750 1.4595 0.06322 0.05792 -0.0603 0.0104 1.0000 17.000 1.4633 0.06606 0.06083 -0.0605 0.0101 1.0000 17.250 1.4660 0.06911 0.06394 -0.0609 0.0098 1.0000 17.500 1.4675 0.07238 0.06727 -0.0614 0.0094 1.0000 17.750 1.4676 0.07590 0.07085 -0.0621 0.0091 1.0000 18.000 1.4676 0.07948 0.07449 -0.0628 0.0089 1.0000 18.250 1.4648 0.08354 0.07861 -0.0638 0.0086 1.0000 18.500 1.4586 0.08819 0.08334 -0.0651 0.0083 1.0000