XFOIL Version 6.96 Calculated polar for: NREL's S828 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 ------ -------- --------- --------- -------- -------- -------- -13.250 -0.4700 0.06447 0.06186 -0.1080 0.7795 0.0016 -13.000 -0.5571 0.04804 0.04501 -0.1142 0.7765 0.0015 -12.750 -0.5545 0.04640 0.04333 -0.1141 0.7739 0.0015 -12.500 -0.5976 0.04040 0.03703 -0.1113 0.7710 0.0015 -12.250 -0.6207 0.03672 0.03310 -0.1080 0.7681 0.0015 -12.000 -0.6365 0.03379 0.02992 -0.1044 0.7652 0.0015 -11.750 -0.6604 0.03006 0.02580 -0.0992 0.7624 0.0015 -11.500 -0.6622 0.02819 0.02372 -0.0961 0.7602 0.0015 -11.250 -0.6659 0.02592 0.02117 -0.0925 0.7577 0.0015 -11.000 -0.6613 0.02432 0.01935 -0.0898 0.7553 0.0015 -10.750 -0.6504 0.02331 0.01821 -0.0879 0.7531 0.0015 -10.500 -0.6395 0.02212 0.01683 -0.0858 0.7511 0.0015 -10.250 -0.6290 0.02063 0.01511 -0.0836 0.7492 0.0015 -9.750 -0.5973 0.01879 0.01299 -0.0807 0.7461 0.0015 -9.500 -0.5810 0.01772 0.01176 -0.0793 0.7446 0.0016 -9.250 -0.5617 0.01711 0.01105 -0.0783 0.7431 0.0016 -9.000 -0.5430 0.01635 0.01017 -0.0772 0.7416 0.0016 -8.750 -0.5240 0.01563 0.00935 -0.0761 0.7401 0.0017 -8.500 -0.5035 0.01515 0.00879 -0.0753 0.7387 0.0017 -8.250 -0.4829 0.01464 0.00821 -0.0744 0.7373 0.0017 -8.000 -0.4620 0.01418 0.00767 -0.0736 0.7360 0.0018 -7.750 -0.4410 0.01371 0.00713 -0.0727 0.7348 0.0019 -7.250 -0.3976 0.01296 0.00627 -0.0713 0.7326 0.0019 -7.000 -0.3762 0.01254 0.00580 -0.0705 0.7316 0.0022 -6.750 -0.3545 0.01218 0.00543 -0.0697 0.7306 0.0028 -6.500 -0.3323 0.01190 0.00511 -0.0690 0.7295 0.0030 -6.250 -0.3098 0.01163 0.00481 -0.0684 0.7283 0.0032 -6.000 -0.2874 0.01138 0.00452 -0.0677 0.7272 0.0036 -5.750 -0.2651 0.01112 0.00425 -0.0670 0.7260 0.0043 -5.500 -0.2428 0.01090 0.00400 -0.0663 0.7249 0.0052 -5.250 -0.2204 0.01068 0.00378 -0.0656 0.7239 0.0068 -5.000 -0.1991 0.01043 0.00355 -0.0646 0.7230 0.0132 -4.750 -0.1774 0.01024 0.00337 -0.0638 0.7220 0.0184 -4.500 -0.1573 0.00999 0.00319 -0.0626 0.7211 0.0332 -4.250 -0.1379 0.00974 0.00304 -0.0613 0.7202 0.0551 -4.000 -0.1191 0.00950 0.00290 -0.0599 0.7193 0.0830 -3.750 -0.0997 0.00927 0.00278 -0.0586 0.7186 0.1123 -3.500 -0.0808 0.00897 0.00264 -0.0572 0.7178 0.1553 -3.250 -0.0622 0.00867 0.00251 -0.0557 0.7171 0.2037 -3.000 -0.0464 0.00828 0.00237 -0.0538 0.7162 0.2738 -2.750 -0.0323 0.00785 0.00223 -0.0514 0.7154 0.3548 -2.500 -0.0184 0.00743 0.00209 -0.0490 0.7145 0.4352 -2.250 -0.0090 0.00686 0.00189 -0.0457 0.7135 0.5410 -2.000 -0.0025 0.00617 0.00167 -0.0417 0.7125 0.6651 -1.750 0.0143 0.00585 0.00170 -0.0395 0.7115 0.7606 -1.500 0.0410 0.00588 0.00177 -0.0395 0.7107 0.7878 -1.250 0.0687 0.00593 0.00181 -0.0397 0.7100 0.8019 -1.000 0.0961 0.00603 0.00191 -0.0398 0.7094 0.8165 -0.750 0.1240 0.00623 0.00212 -0.0398 0.7087 0.8291 -0.500 0.1524 0.00635 0.00224 -0.0401 0.7080 0.8349 -0.250 0.1814 0.00639 0.00226 -0.0407 0.7074 0.8363 0.000 0.2104 0.00642 0.00226 -0.0413 0.7068 0.8373 0.250 0.2393 0.00644 0.00227 -0.0419 0.7061 0.8382 0.500 0.2683 0.00647 0.00228 -0.0425 0.7054 0.8392 0.750 0.2969 0.00648 0.00229 -0.0430 0.7050 0.8402 1.000 0.3255 0.00649 0.00231 -0.0436 0.7044 0.8412 1.250 0.3541 0.00650 0.00233 -0.0441 0.7037 0.8421 1.500 0.3826 0.00652 0.00234 -0.0446 0.7029 0.8430 1.750 0.4112 0.00653 0.00237 -0.0452 0.7022 0.8438 2.000 0.4398 0.00656 0.00240 -0.0458 0.7016 0.8447 2.250 0.4683 0.00658 0.00245 -0.0463 0.7009 0.8455 2.500 0.4969 0.00660 0.00249 -0.0469 0.7001 0.8463 2.750 0.5253 0.00662 0.00254 -0.0474 0.6990 0.8470 3.000 0.5528 0.00659 0.00253 -0.0476 0.6953 0.8476 3.250 0.5786 0.00655 0.00249 -0.0474 0.6881 0.8484 3.500 0.6033 0.00650 0.00243 -0.0470 0.6785 0.8492 3.750 0.6287 0.00649 0.00245 -0.0468 0.6704 0.8500 4.000 0.6541 0.00650 0.00248 -0.0467 0.6632 0.8508 4.250 0.6787 0.00651 0.00252 -0.0463 0.6520 0.8517 4.500 0.7016 0.00656 0.00256 -0.0456 0.6367 0.8529 4.750 0.7145 0.00675 0.00262 -0.0428 0.5955 0.8543 5.000 0.7022 0.00730 0.00290 -0.0347 0.5352 0.8566 5.250 0.6833 0.00814 0.00346 -0.0257 0.4739 0.8590 5.500 0.6809 0.00881 0.00397 -0.0203 0.4331 0.8607 5.750 0.6727 0.00970 0.00466 -0.0140 0.3819 0.8627 6.000 0.6704 0.01055 0.00534 -0.0091 0.3372 0.8647 6.250 0.6661 0.01157 0.00613 -0.0041 0.2845 0.8667 6.500 0.6698 0.01240 0.00680 -0.0006 0.2454 0.8684 6.750 0.6753 0.01322 0.00746 0.0024 0.2091 0.8700 7.000 0.6827 0.01400 0.00810 0.0051 0.1748 0.8714 7.250 0.6902 0.01482 0.00877 0.0077 0.1409 0.8728 7.500 0.7016 0.01551 0.00935 0.0096 0.1161 0.8739 7.750 0.7152 0.01610 0.00988 0.0113 0.0983 0.8751 8.000 0.7291 0.01669 0.01042 0.0128 0.0816 0.8764 8.250 0.7420 0.01735 0.01100 0.0144 0.0650 0.8778 8.500 0.7578 0.01788 0.01152 0.0156 0.0556 0.8791 8.750 0.7730 0.01847 0.01209 0.0169 0.0452 0.8804 9.000 0.7853 0.01921 0.01274 0.0184 0.0310 0.8817 9.250 0.7985 0.01993 0.01338 0.0198 0.0196 0.8830 9.500 0.8171 0.02039 0.01388 0.0205 0.0196 0.8841 9.750 0.8318 0.02105 0.01451 0.0217 0.0145 0.8854 10.000 0.8488 0.02162 0.01509 0.0225 0.0128 0.8865 10.250 0.8649 0.02224 0.01571 0.0234 0.0108 0.8875 10.500 0.8816 0.02282 0.01634 0.0242 0.0099 0.8886 10.750 0.8975 0.02345 0.01699 0.0251 0.0080 0.8899 11.000 0.9133 0.02409 0.01766 0.0260 0.0071 0.8912 11.250 0.9291 0.02474 0.01833 0.0269 0.0061 0.8926 11.500 0.9439 0.02546 0.01908 0.0278 0.0047 0.8940 11.750 0.9585 0.02621 0.01985 0.0287 0.0037 0.8956 12.000 0.9732 0.02698 0.02065 0.0296 0.0030 0.8971 12.250 0.9884 0.02773 0.02144 0.0304 0.0028 0.8985 12.500 1.0022 0.02858 0.02235 0.0313 0.0021 0.8999 12.750 1.0161 0.02944 0.02325 0.0321 0.0017 0.9012 13.250 1.0411 0.03139 0.02530 0.0340 0.0009 0.9040 13.500 1.0542 0.03232 0.02631 0.0348 0.0010 0.9056 13.750 1.0654 0.03342 0.02748 0.0358 0.0007 0.9072 14.000 1.0751 0.03465 0.02879 0.0368 0.0005 0.9089 14.250 1.0900 0.03549 0.02966 0.0373 0.0007 0.9107 14.500 1.0997 0.03678 0.03104 0.0382 0.0006 0.9125 14.750 1.1088 0.03815 0.03251 0.0391 0.0005 0.9143 15.000 1.1179 0.03955 0.03400 0.0399 0.0005 0.9161 15.250 1.1281 0.04082 0.03535 0.0406 0.0005 0.9183 15.500 1.1343 0.04246 0.03711 0.0416 0.0004 0.9208 15.750 1.1447 0.04376 0.03848 0.0422 0.0004 0.9233 16.000 1.1514 0.04543 0.04025 0.0428 0.0005 0.9260 16.250 1.1572 0.04725 0.04217 0.0435 0.0004 0.9285 16.750 1.1650 0.05133 0.04649 0.0448 0.0004 0.9347 17.000 1.1695 0.05336 0.04863 0.0452 0.0004 0.9387 17.250 1.1674 0.05621 0.05163 0.0457 0.0004 0.9429 17.500 1.1734 0.05823 0.05376 0.0457 0.0004 0.9487 17.750 1.1728 0.06124 0.05692 0.0456 0.0004 0.9556 18.000 1.1675 0.06524 0.06112 0.0448 0.0003 0.9629 18.250 1.1714 0.06854 0.06454 0.0431 0.0003 0.9698 18.500 1.1707 0.07272 0.06887 0.0410 0.0003 0.9782 18.750 1.1636 0.07711 0.07341 0.0397 0.0003 1.0000 19.000 1.1590 0.08111 0.07751 0.0386 0.0003 1.0000 19.250 1.1505 0.08585 0.08238 0.0370 0.0003 1.0000