NACA 2418 (naca2418-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 2418 (naca2418-il) Reynolds number: 500,000 Max Cl/Cd: 75.28 at α=7° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca2418-il-500000-n5.txt Download as CSV file: xf-naca2418-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 2418
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.500 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-18.750 -1.0750 0.08619 0.08147 -0.0561 1.0000 0.0364
-18.500 -1.0880 0.08090 0.07609 -0.0586 1.0000 0.0367
-18.250 -1.1009 0.07569 0.07078 -0.0611 1.0000 0.0370
-18.000 -1.1131 0.07060 0.06560 -0.0635 1.0000 0.0373
-17.750 -1.1244 0.06576 0.06065 -0.0658 1.0000 0.0376
-17.500 -1.1344 0.06117 0.05596 -0.0679 1.0000 0.0379
-17.250 -1.1432 0.05680 0.05148 -0.0698 1.0000 0.0383
-17.000 -1.1502 0.05279 0.04737 -0.0715 1.0000 0.0386
-16.750 -1.1553 0.04906 0.04353 -0.0731 1.0000 0.0389
-16.500 -1.1581 0.04572 0.04008 -0.0743 1.0000 0.0393
-16.250 -1.1626 0.04226 0.03654 -0.0756 1.0000 0.0396
-16.000 -1.1647 0.03919 0.03340 -0.0765 1.0000 0.0400
-15.750 -1.1643 0.03654 0.03068 -0.0771 1.0000 0.0405
-15.500 -1.1620 0.03423 0.02829 -0.0774 1.0000 0.0410
-15.250 -1.1583 0.03221 0.02621 -0.0773 1.0000 0.0416
-15.000 -1.1536 0.03045 0.02438 -0.0768 1.0000 0.0422
-14.750 -1.1481 0.02893 0.02279 -0.0760 1.0000 0.0428
-14.500 -1.1424 0.02762 0.02141 -0.0748 1.0000 0.0435
-14.250 -1.1386 0.02642 0.02016 -0.0730 1.0000 0.0441
-14.000 -1.1383 0.02531 0.01902 -0.0704 1.0000 0.0448
-13.750 -1.1391 0.02442 0.01809 -0.0671 1.0000 0.0455
-13.500 -1.1426 0.02370 0.01733 -0.0630 1.0000 0.0462
-13.250 -1.1369 0.02300 0.01659 -0.0604 0.9989 0.0471
-13.000 -1.1138 0.02224 0.01577 -0.0608 0.9960 0.0484
-12.750 -1.0904 0.02148 0.01497 -0.0613 0.9933 0.0496
-12.500 -1.0683 0.02077 0.01425 -0.0613 0.9898 0.0511
-12.250 -1.0448 0.02016 0.01360 -0.0613 0.9859 0.0527
-12.000 -1.0180 0.01958 0.01297 -0.0619 0.9831 0.0545
-11.750 -0.9895 0.01893 0.01233 -0.0629 0.9809 0.0565
-11.500 -0.9643 0.01843 0.01180 -0.0630 0.9771 0.0588
-11.250 -0.9396 0.01793 0.01128 -0.0629 0.9726 0.0610
-11.000 -0.9122 0.01743 0.01078 -0.0633 0.9692 0.0638
-10.750 -0.8831 0.01698 0.01030 -0.0640 0.9665 0.0664
-10.500 -0.8613 0.01656 0.00989 -0.0632 0.9601 0.0691
-10.250 -0.8349 0.01617 0.00948 -0.0632 0.9552 0.0720
-10.000 -0.8067 0.01575 0.00905 -0.0635 0.9512 0.0749
-9.750 -0.7845 0.01540 0.00870 -0.0626 0.9423 0.0780
-9.500 -0.7574 0.01504 0.00831 -0.0626 0.9355 0.0812
-9.250 -0.7344 0.01471 0.00798 -0.0617 0.9263 0.0847
-9.000 -0.7083 0.01442 0.00765 -0.0614 0.9194 0.0880
-8.750 -0.6842 0.01410 0.00733 -0.0608 0.9118 0.0913
-8.500 -0.6590 0.01383 0.00703 -0.0603 0.9039 0.0947
-8.250 -0.6333 0.01358 0.00674 -0.0599 0.8965 0.0979
-8.000 -0.6086 0.01329 0.00646 -0.0593 0.8876 0.1018
-7.750 -0.5826 0.01305 0.00618 -0.0589 0.8796 0.1057
-7.500 -0.5574 0.01280 0.00593 -0.0584 0.8703 0.1097
-7.250 -0.5315 0.01256 0.00566 -0.0580 0.8616 0.1145
-7.000 -0.5058 0.01234 0.00543 -0.0575 0.8516 0.1193
-6.500 -0.4540 0.01191 0.00497 -0.0567 0.8318 0.1308
-6.250 -0.4281 0.01170 0.00474 -0.0563 0.8216 0.1375
-6.000 -0.4020 0.01150 0.00455 -0.0559 0.8103 0.1444
-5.750 -0.3758 0.01132 0.00435 -0.0555 0.7998 0.1528
-5.500 -0.3497 0.01113 0.00416 -0.0551 0.7884 0.1620
-5.250 -0.3234 0.01097 0.00400 -0.0547 0.7774 0.1720
-5.000 -0.2971 0.01082 0.00384 -0.0544 0.7656 0.1835
-4.750 -0.2708 0.01066 0.00370 -0.0540 0.7545 0.1958
-4.250 -0.2176 0.01042 0.00345 -0.0534 0.7310 0.2186
-4.000 -0.1909 0.01033 0.00334 -0.0530 0.7198 0.2302
-3.750 -0.1642 0.01023 0.00324 -0.0527 0.7076 0.2403
-3.500 -0.1371 0.01017 0.00315 -0.0524 0.6959 0.2503
-3.250 -0.1106 0.01009 0.00306 -0.0521 0.6836 0.2606
-2.750 -0.0568 0.00997 0.00291 -0.0515 0.6589 0.2803
-2.500 -0.0298 0.00993 0.00285 -0.0512 0.6459 0.2906
-2.250 -0.0030 0.00987 0.00279 -0.0509 0.6336 0.3021
-2.000 0.0235 0.00984 0.00273 -0.0506 0.6210 0.3132
-1.750 0.0505 0.00979 0.00269 -0.0503 0.6084 0.3269
-1.500 0.0771 0.00974 0.00265 -0.0500 0.5973 0.3413
-1.250 0.1036 0.00970 0.00263 -0.0496 0.5854 0.3574
-1.000 0.1300 0.00963 0.00260 -0.0493 0.5743 0.3798
-0.750 0.1560 0.00957 0.00259 -0.0488 0.5638 0.4078
-0.500 0.1824 0.00948 0.00259 -0.0485 0.5545 0.4352
-0.250 0.2085 0.00945 0.00260 -0.0481 0.5444 0.4602
0.000 0.2352 0.00941 0.00262 -0.0478 0.5348 0.4855
0.250 0.2610 0.00942 0.00265 -0.0473 0.5232 0.5092
0.500 0.2876 0.00942 0.00268 -0.0470 0.5112 0.5318
0.750 0.3138 0.00944 0.00272 -0.0465 0.5010 0.5537
1.000 0.3408 0.00943 0.00276 -0.0463 0.4926 0.5745
1.250 0.3670 0.00947 0.00282 -0.0459 0.4838 0.5942
1.500 0.3940 0.00947 0.00287 -0.0456 0.4758 0.6147
1.750 0.4205 0.00949 0.00294 -0.0452 0.4678 0.6345
2.000 0.4470 0.00952 0.00301 -0.0449 0.4602 0.6531
2.250 0.4736 0.00954 0.00309 -0.0445 0.4513 0.6737
2.500 0.4993 0.00960 0.00318 -0.0440 0.4427 0.6961
2.750 0.5258 0.00962 0.00327 -0.0436 0.4345 0.7185
3.000 0.5514 0.00969 0.00338 -0.0431 0.4261 0.7402
3.250 0.5774 0.00973 0.00349 -0.0426 0.4177 0.7643
3.500 0.6024 0.00981 0.00361 -0.0419 0.4078 0.7889
3.750 0.6279 0.00988 0.00375 -0.0413 0.3991 0.8122
4.000 0.6523 0.01000 0.00390 -0.0404 0.3891 0.8361
4.250 0.6763 0.01012 0.00406 -0.0395 0.3766 0.8637
4.500 0.6992 0.01030 0.00425 -0.0383 0.3627 0.8921
4.750 0.7225 0.01052 0.00446 -0.0372 0.3495 0.9150
5.000 0.7481 0.01070 0.00464 -0.0367 0.3386 0.9319
5.250 0.7752 0.01094 0.00485 -0.0365 0.3278 0.9452
5.500 0.8039 0.01120 0.00506 -0.0367 0.3161 0.9561
5.750 0.8325 0.01145 0.00528 -0.0370 0.3048 0.9663
6.000 0.8636 0.01175 0.00552 -0.0378 0.2931 0.9738
6.250 0.8934 0.01206 0.00577 -0.0384 0.2804 0.9812
6.500 0.9253 0.01237 0.00604 -0.0396 0.2677 0.9868
6.750 0.9555 0.01272 0.00633 -0.0404 0.2549 0.9924
7.000 0.9877 0.01312 0.00664 -0.0417 0.2412 0.9960
7.500 1.0295 0.01376 0.00719 -0.0395 0.2203 1.0000
8.000 1.0491 0.01431 0.00767 -0.0328 0.2042 1.0000
8.250 1.0619 0.01468 0.00799 -0.0302 0.1953 1.0000
8.500 1.0776 0.01505 0.00832 -0.0282 0.1856 1.0000
8.750 1.0937 0.01547 0.00871 -0.0263 0.1768 1.0000
9.250 1.1262 0.01640 0.00956 -0.0229 0.1585 1.0000
9.500 1.1421 0.01693 0.01005 -0.0213 0.1495 1.0000
9.750 1.1570 0.01753 0.01061 -0.0196 0.1407 1.0000
10.000 1.1728 0.01812 0.01117 -0.0181 0.1327 1.0000
10.250 1.1879 0.01876 0.01180 -0.0165 0.1261 1.0000
10.500 1.2025 0.01945 0.01247 -0.0150 0.1198 1.0000
10.750 1.2175 0.02015 0.01316 -0.0136 0.1146 1.0000
11.000 1.2313 0.02094 0.01394 -0.0122 0.1091 1.0000
11.250 1.2453 0.02174 0.01475 -0.0108 0.1045 1.0000
11.500 1.2586 0.02261 0.01562 -0.0095 0.0997 1.0000
11.750 1.2713 0.02354 0.01656 -0.0082 0.0955 1.0000
12.000 1.2841 0.02450 0.01753 -0.0070 0.0912 1.0000
12.250 1.2955 0.02559 0.01863 -0.0058 0.0876 1.0000
12.500 1.3076 0.02666 0.01973 -0.0047 0.0839 1.0000
12.750 1.3175 0.02793 0.02101 -0.0036 0.0803 1.0000
13.000 1.3286 0.02915 0.02226 -0.0027 0.0772 1.0000
13.250 1.3377 0.03055 0.02368 -0.0017 0.0739 1.0000
13.500 1.3464 0.03203 0.02519 -0.0008 0.0711 1.0000
13.750 1.3545 0.03360 0.02680 0.0000 0.0682 1.0000
14.000 1.3604 0.03541 0.02863 0.0008 0.0656 1.0000
14.250 1.3681 0.03712 0.03039 0.0014 0.0633 1.0000
14.500 1.3737 0.03906 0.03237 0.0019 0.0610 1.0000
14.750 1.3775 0.04125 0.03459 0.0024 0.0592 1.0000
15.000 1.3831 0.04330 0.03671 0.0027 0.0575 1.0000
15.250 1.3869 0.04559 0.03906 0.0030 0.0559 1.0000
15.500 1.3888 0.04813 0.04165 0.0031 0.0544 1.0000
15.750 1.3897 0.05086 0.04444 0.0031 0.0532 1.0000
16.000 1.3923 0.05343 0.04708 0.0031 0.0520 1.0000
16.250 1.3934 0.05622 0.04994 0.0030 0.0509 1.0000
16.500 1.3930 0.05923 0.05302 0.0027 0.0498 1.0000
16.750 1.3908 0.06251 0.05636 0.0023 0.0488 1.0000
17.250 1.3859 0.06927 0.06327 0.0013 0.0472 1.0000
17.500 1.3838 0.07266 0.06674 0.0007 0.0463 1.0000
17.750 1.3807 0.07622 0.07038 0.0000 0.0455 1.0000
18.000 1.3763 0.07998 0.07421 -0.0008 0.0448 1.0000
18.250 1.3704 0.08399 0.07830 -0.0018 0.0441 1.0000
18.500 1.3636 0.08817 0.08255 -0.0029 0.0435 1.0000
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