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 = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -16.250 -0.8584 0.09811 0.09409 -0.0509 1.0000 0.0697 -16.000 -0.8907 0.09073 0.08666 -0.0537 1.0000 0.0750 -15.750 -0.9219 0.08379 0.07967 -0.0563 1.0000 0.0806 -15.500 -0.9318 0.07977 0.07560 -0.0577 1.0000 0.0820 -14.750 -0.9939 0.06441 0.06012 -0.0625 1.0000 0.0915 -14.500 -1.0046 0.06073 0.05638 -0.0635 1.0000 0.0928 -14.250 -1.0139 0.05679 0.05238 -0.0652 0.9998 0.0939 -14.000 -1.0156 0.05258 0.04812 -0.0687 0.9988 0.0954 -13.750 -1.0184 0.04831 0.04382 -0.0724 0.9975 0.0978 -13.500 -1.0152 0.04473 0.04020 -0.0760 0.9960 0.1001 -13.250 -1.0069 0.04176 0.03718 -0.0793 0.9944 0.1017 -13.000 -0.9929 0.03935 0.03472 -0.0825 0.9931 0.1030 -12.750 -0.9812 0.03720 0.03252 -0.0846 0.9911 0.1035 -12.500 -0.9721 0.03483 0.03009 -0.0867 0.9882 0.1044 -12.250 -0.9661 0.03169 0.02690 -0.0901 0.9846 0.1062 -12.000 -0.9516 0.02915 0.02433 -0.0937 0.9818 0.1080 -11.750 -0.9482 0.02688 0.02202 -0.0946 0.9749 0.1090 -11.250 -0.9311 0.02304 0.01812 -0.0968 0.9537 0.1111 -11.000 -0.9109 0.02152 0.01656 -0.0991 0.9430 0.1124 -10.750 -0.8763 0.02017 0.01517 -0.1035 0.9363 0.1132 -10.500 -0.8327 0.01912 0.01407 -0.1089 0.9297 0.1142 -10.250 -0.7798 0.01818 0.01308 -0.1159 0.9243 0.1147 -10.000 -0.7319 0.01726 0.01206 -0.1220 0.9108 0.1150 -9.750 -0.7018 0.01639 0.01107 -0.1249 0.8890 0.1152 -9.500 -0.6873 0.01557 0.01011 -0.1251 0.8656 0.1154 -9.250 -0.6708 0.01493 0.00935 -0.1251 0.8470 0.1156 -9.000 -0.6522 0.01448 0.00880 -0.1247 0.8319 0.1160 -8.750 -0.6326 0.01406 0.00829 -0.1243 0.8185 0.1168 -8.500 -0.6117 0.01369 0.00785 -0.1240 0.8060 0.1180 -8.250 -0.5890 0.01337 0.00748 -0.1238 0.7943 0.1190 -8.000 -0.5654 0.01308 0.00714 -0.1237 0.7836 0.1201 -7.750 -0.5414 0.01282 0.00683 -0.1235 0.7734 0.1210 -7.500 -0.5163 0.01256 0.00654 -0.1235 0.7635 0.1220 -7.250 -0.4910 0.01233 0.00627 -0.1235 0.7542 0.1231 -7.000 -0.4650 0.01212 0.00602 -0.1236 0.7450 0.1241 -6.750 -0.4386 0.01193 0.00579 -0.1236 0.7363 0.1251 -6.500 -0.4120 0.01175 0.00558 -0.1237 0.7270 0.1261 -6.250 -0.3849 0.01158 0.00537 -0.1238 0.7190 0.1270 -6.000 -0.3576 0.01143 0.00519 -0.1240 0.7108 0.1278 -5.750 -0.3302 0.01127 0.00499 -0.1241 0.7032 0.1294 -5.500 -0.3027 0.01109 0.00480 -0.1243 0.6947 0.1317 -5.250 -0.2752 0.01091 0.00461 -0.1244 0.6868 0.1341 -5.000 -0.2472 0.01075 0.00444 -0.1246 0.6789 0.1363 -4.750 -0.2193 0.01062 0.00428 -0.1248 0.6719 0.1385 -4.500 -0.1907 0.01049 0.00414 -0.1251 0.6646 0.1404 -4.000 -0.1340 0.01023 0.00386 -0.1255 0.6494 0.1465 -3.750 -0.1057 0.01011 0.00374 -0.1257 0.6419 0.1498 -3.500 -0.0769 0.01000 0.00362 -0.1259 0.6355 0.1529 -3.250 -0.0480 0.00992 0.00353 -0.1261 0.6281 0.1552 -3.000 -0.0195 0.00981 0.00342 -0.1263 0.6209 0.1595 -2.750 0.0096 0.00969 0.00332 -0.1266 0.6140 0.1635 -2.500 0.0383 0.00963 0.00324 -0.1267 0.6070 0.1671 -2.250 0.0675 0.00956 0.00316 -0.1270 0.6004 0.1704 -2.000 0.0965 0.00945 0.00308 -0.1272 0.5933 0.1758 -1.750 0.1255 0.00939 0.00302 -0.1274 0.5871 0.1802 -1.500 0.1548 0.00934 0.00297 -0.1276 0.5804 0.1836 -1.250 0.1835 0.00929 0.00292 -0.1277 0.5734 0.1880 -1.000 0.2130 0.00922 0.00287 -0.1280 0.5676 0.1927 -0.750 0.2421 0.00918 0.00284 -0.1281 0.5607 0.1967 -0.500 0.2710 0.00917 0.00281 -0.1282 0.5544 0.2002 -0.250 0.3005 0.00911 0.00278 -0.1284 0.5482 0.2053 0.000 0.3294 0.00909 0.00277 -0.1285 0.5417 0.2101 0.250 0.3585 0.00908 0.00276 -0.1286 0.5361 0.2138 0.500 0.3878 0.00904 0.00275 -0.1288 0.5298 0.2190 0.750 0.4166 0.00904 0.00275 -0.1288 0.5237 0.2242 1.000 0.4458 0.00903 0.00276 -0.1289 0.5183 0.2286 1.250 0.4749 0.00902 0.00277 -0.1290 0.5120 0.2337 1.750 0.5327 0.00904 0.00282 -0.1290 0.4999 0.2442 2.000 0.5612 0.00906 0.00286 -0.1290 0.4921 0.2509 2.250 0.5898 0.00908 0.00290 -0.1289 0.4842 0.2584 2.500 0.6180 0.00911 0.00294 -0.1288 0.4752 0.2669 2.750 0.6464 0.00914 0.00300 -0.1288 0.4674 0.2761 3.000 0.6744 0.00919 0.00306 -0.1286 0.4584 0.2832 3.250 0.7026 0.00925 0.00313 -0.1285 0.4499 0.2892 3.750 0.7577 0.00942 0.00329 -0.1279 0.4291 0.2998 4.000 0.7848 0.00952 0.00338 -0.1276 0.4190 0.3064 4.250 0.8113 0.00965 0.00349 -0.1271 0.4058 0.3127 4.500 0.8380 0.00977 0.00361 -0.1267 0.3925 0.3195 4.750 0.8637 0.00995 0.00375 -0.1261 0.3769 0.3248 5.000 0.8882 0.01017 0.00391 -0.1253 0.3578 0.3308 5.250 0.9124 0.01041 0.00410 -0.1244 0.3386 0.3380 5.500 0.9356 0.01069 0.00431 -0.1234 0.3165 0.3442 5.750 0.9572 0.01104 0.00457 -0.1221 0.2915 0.3509 6.000 0.9780 0.01142 0.00484 -0.1207 0.2653 0.3573 6.250 0.9976 0.01182 0.00515 -0.1191 0.2406 0.3643 6.500 1.0145 0.01226 0.00547 -0.1170 0.2149 0.3708 6.750 1.0307 0.01268 0.00579 -0.1148 0.1923 0.3762 7.000 1.0476 0.01309 0.00614 -0.1127 0.1725 0.3837 7.250 1.0647 0.01354 0.00651 -0.1107 0.1549 0.3903 7.500 1.0806 0.01405 0.00693 -0.1085 0.1366 0.3962 7.750 1.0959 0.01456 0.00738 -0.1063 0.1189 0.4031 8.000 1.1123 0.01505 0.00781 -0.1043 0.1055 0.4099 8.250 1.1281 0.01556 0.00828 -0.1022 0.0934 0.4174 8.500 1.1442 0.01605 0.00874 -0.1002 0.0837 0.4239 8.750 1.1604 0.01654 0.00923 -0.0983 0.0751 0.4308 9.000 1.1752 0.01711 0.00976 -0.0963 0.0669 0.4387 9.250 1.1883 0.01776 0.01038 -0.0940 0.0582 0.4453 9.500 1.2028 0.01836 0.01099 -0.0921 0.0520 0.4530 10.000 1.2293 0.01975 0.01238 -0.0880 0.0412 0.4683 10.250 1.2429 0.02046 0.01310 -0.0861 0.0372 0.4758 10.500 1.2554 0.02126 0.01392 -0.0843 0.0333 0.4836 10.750 1.2677 0.02211 0.01478 -0.0824 0.0300 0.4918 11.000 1.2804 0.02297 0.01567 -0.0807 0.0275 0.5003 11.250 1.2921 0.02392 0.01665 -0.0790 0.0250 0.5087 11.500 1.3038 0.02491 0.01768 -0.0774 0.0230 0.5167 11.750 1.3150 0.02597 0.01877 -0.0758 0.0209 0.5259 12.000 1.3256 0.02712 0.01996 -0.0743 0.0192 0.5351 12.250 1.3359 0.02833 0.02120 -0.0729 0.0174 0.5439 12.500 1.3459 0.02960 0.02252 -0.0715 0.0161 0.5529 12.750 1.3564 0.03088 0.02386 -0.0703 0.0151 0.5628 13.000 1.3660 0.03228 0.02531 -0.0691 0.0140 0.5736 13.250 1.3745 0.03381 0.02689 -0.0680 0.0131 0.5832 13.500 1.3842 0.03529 0.02843 -0.0670 0.0124 0.5943 13.750 1.3929 0.03690 0.03011 -0.0660 0.0116 0.6055 14.000 1.4005 0.03866 0.03193 -0.0652 0.0109 0.6170 14.500 1.4158 0.04232 0.03573 -0.0637 0.0098 0.6417 14.750 1.4232 0.04427 0.03776 -0.0631 0.0094 0.6559 15.000 1.4298 0.04633 0.03990 -0.0626 0.0089 0.6695 15.250 1.4358 0.04853 0.04218 -0.0621 0.0085 0.6853 15.500 1.4411 0.05085 0.04459 -0.0618 0.0082 0.7019 15.750 1.4472 0.05314 0.04698 -0.0616 0.0079 0.7216 16.000 1.4529 0.05552 0.04947 -0.0614 0.0076 0.7432 16.250 1.4579 0.05804 0.05212 -0.0614 0.0073 0.7712 16.500 1.4619 0.06070 0.05491 -0.0614 0.0071 0.8070 16.750 1.4608 0.06301 0.05757 -0.0604 0.0068 0.9542 17.000 1.4634 0.06595 0.06056 -0.0606 0.0066 1.0000 17.250 1.4655 0.06907 0.06374 -0.0610 0.0064 1.0000 17.500 1.4678 0.07225 0.06697 -0.0615 0.0062 1.0000 17.750 1.4702 0.07544 0.07022 -0.0620 0.0061 1.0000 18.000 1.4723 0.07871 0.07355 -0.0627 0.0060 1.0000 18.250 1.4732 0.08222 0.07713 -0.0635 0.0058 1.0000 18.500 1.4736 0.08587 0.08085 -0.0644 0.0057 1.0000 18.750 1.4740 0.08955 0.08460 -0.0654 0.0055 1.0000 19.000 1.4733 0.09345 0.08857 -0.0666 0.0054 1.0000 19.250 1.4717 0.09753 0.09271 -0.0679 0.0053 1.0000