NACA 2418 (naca2418-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 2418 (naca2418-il) Reynolds number: 500,000 Max Cl/Cd: 83.4 at α=6.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca2418-il-500000.txt Download as CSV file: xf-naca2418-il-500000.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 = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0986 0.09306 0.08854 -0.0570 1.0000 0.0432
-19.500 -1.1082 0.08809 0.08344 -0.0597 1.0000 0.0435
-19.250 -1.1171 0.08326 0.07848 -0.0623 1.0000 0.0438
-19.000 -1.1177 0.08016 0.07535 -0.0633 1.0000 0.0442
-18.750 -1.1165 0.07729 0.07246 -0.0643 1.0000 0.0447
-18.500 -1.1183 0.07387 0.06900 -0.0658 1.0000 0.0451
-18.250 -1.1202 0.07041 0.06549 -0.0673 1.0000 0.0455
-18.000 -1.1226 0.06688 0.06191 -0.0689 1.0000 0.0459
-17.750 -1.1251 0.06338 0.05834 -0.0704 1.0000 0.0463
-17.500 -1.1277 0.05994 0.05482 -0.0718 1.0000 0.0468
-17.250 -1.1298 0.05658 0.05137 -0.0732 1.0000 0.0472
-17.000 -1.1315 0.05334 0.04803 -0.0745 1.0000 0.0478
-16.750 -1.1324 0.05025 0.04483 -0.0756 1.0000 0.0483
-16.500 -1.1320 0.04734 0.04179 -0.0767 1.0000 0.0487
-16.250 -1.1331 0.04459 0.03902 -0.0771 1.0000 0.0493
-16.000 -1.1333 0.04190 0.03631 -0.0777 1.0000 0.0499
-15.750 -1.1314 0.03944 0.03379 -0.0781 1.0000 0.0505
-15.500 -1.1281 0.03718 0.03148 -0.0785 1.0000 0.0511
-15.250 -1.1240 0.03511 0.02934 -0.0785 1.0000 0.0518
-15.000 -1.1190 0.03323 0.02739 -0.0784 1.0000 0.0525
-14.750 -1.1132 0.03154 0.02562 -0.0779 1.0000 0.0533
-14.500 -1.1064 0.03009 0.02407 -0.0772 1.0000 0.0540
-14.250 -1.1074 0.02831 0.02227 -0.0757 1.0000 0.0549
-14.000 -1.1069 0.02693 0.02088 -0.0736 1.0000 0.0557
-13.750 -1.1060 0.02587 0.01979 -0.0710 1.0000 0.0566
-13.500 -1.1065 0.02500 0.01888 -0.0678 1.0000 0.0575
-13.250 -1.1098 0.02430 0.01812 -0.0637 1.0000 0.0585
-13.000 -1.1165 0.02374 0.01750 -0.0587 1.0000 0.0593
-12.750 -1.1283 0.02333 0.01702 -0.0525 1.0000 0.0599
-12.500 -1.1523 0.02289 0.01656 -0.0441 1.0000 0.0604
-12.250 -1.1405 0.02214 0.01582 -0.0423 0.9986 0.0619
-12.000 -1.1108 0.02149 0.01514 -0.0436 0.9961 0.0641
-11.750 -1.0796 0.02089 0.01448 -0.0450 0.9939 0.0664
-11.500 -1.0501 0.02013 0.01375 -0.0463 0.9917 0.0691
-11.250 -1.0207 0.01963 0.01321 -0.0472 0.9882 0.0719
-11.000 -0.9906 0.01898 0.01257 -0.0483 0.9851 0.0751
-10.750 -0.9572 0.01852 0.01211 -0.0499 0.9829 0.0786
-10.500 -0.9231 0.01798 0.01156 -0.0517 0.9811 0.0823
-10.250 -0.8895 0.01754 0.01113 -0.0533 0.9789 0.0861
-10.000 -0.8610 0.01709 0.01065 -0.0537 0.9739 0.0897
-9.750 -0.8253 0.01658 0.01017 -0.0557 0.9710 0.0939
-9.500 -0.7862 0.01614 0.00970 -0.0582 0.9691 0.0982
-9.250 -0.7489 0.01561 0.00921 -0.0605 0.9675 0.1030
-9.000 -0.7173 0.01533 0.00888 -0.0613 0.9636 0.1070
-8.750 -0.6905 0.01481 0.00841 -0.0614 0.9581 0.1116
-8.500 -0.6580 0.01445 0.00804 -0.0624 0.9547 0.1161
-8.250 -0.6260 0.01400 0.00760 -0.0634 0.9517 0.1210
-8.000 -0.6036 0.01369 0.00731 -0.0623 0.9438 0.1256
-7.750 -0.5748 0.01337 0.00696 -0.0624 0.9385 0.1305
-7.500 -0.5485 0.01298 0.00662 -0.0621 0.9331 0.1365
-7.000 -0.4975 0.01235 0.00600 -0.0610 0.9189 0.1496
-6.750 -0.4730 0.01210 0.00575 -0.0603 0.9105 0.1570
-6.500 -0.4474 0.01179 0.00547 -0.0597 0.9029 0.1663
-6.250 -0.4220 0.01150 0.00522 -0.0592 0.8948 0.1765
-6.000 -0.3966 0.01124 0.00498 -0.0586 0.8858 0.1882
-5.750 -0.3700 0.01101 0.00477 -0.0582 0.8777 0.2013
-5.500 -0.3442 0.01080 0.00459 -0.0577 0.8678 0.2150
-5.250 -0.3176 0.01059 0.00441 -0.0573 0.8590 0.2287
-5.000 -0.2915 0.01040 0.00425 -0.0568 0.8484 0.2414
-4.750 -0.2641 0.01027 0.00409 -0.0566 0.8390 0.2534
-4.500 -0.2377 0.01011 0.00395 -0.0561 0.8279 0.2655
-4.250 -0.2108 0.00997 0.00381 -0.0558 0.8175 0.2768
-4.000 -0.1836 0.00987 0.00368 -0.0555 0.8063 0.2880
-3.750 -0.1571 0.00972 0.00356 -0.0551 0.7951 0.2999
-3.500 -0.1299 0.00964 0.00343 -0.0548 0.7837 0.3115
-3.250 -0.1033 0.00951 0.00333 -0.0544 0.7717 0.3246
-3.000 -0.0766 0.00941 0.00322 -0.0541 0.7602 0.3381
-2.750 -0.0499 0.00931 0.00313 -0.0537 0.7477 0.3529
-2.500 -0.0232 0.00922 0.00306 -0.0533 0.7357 0.3702
-2.250 0.0032 0.00914 0.00297 -0.0529 0.7235 0.3894
-2.000 0.0295 0.00902 0.00292 -0.0525 0.7108 0.4111
-1.750 0.0555 0.00892 0.00287 -0.0520 0.6988 0.4359
-1.500 0.0817 0.00883 0.00283 -0.0516 0.6861 0.4624
-1.250 0.1080 0.00876 0.00281 -0.0511 0.6736 0.4899
-1.000 0.1336 0.00870 0.00279 -0.0505 0.6610 0.5197
-0.750 0.1597 0.00863 0.00280 -0.0500 0.6482 0.5509
-0.500 0.1858 0.00860 0.00281 -0.0496 0.6362 0.5778
-0.250 0.2118 0.00859 0.00281 -0.0490 0.6237 0.6017
0.000 0.2382 0.00856 0.00284 -0.0486 0.6112 0.6248
0.250 0.2641 0.00857 0.00286 -0.0480 0.5985 0.6471
0.500 0.2899 0.00859 0.00289 -0.0474 0.5850 0.6692
0.750 0.3162 0.00859 0.00294 -0.0469 0.5736 0.6918
1.250 0.3685 0.00864 0.00306 -0.0459 0.5532 0.7374
1.500 0.3941 0.00870 0.00313 -0.0452 0.5435 0.7612
1.750 0.4206 0.00871 0.00322 -0.0448 0.5348 0.7849
2.000 0.4463 0.00879 0.00332 -0.0441 0.5256 0.8073
2.250 0.4724 0.00885 0.00342 -0.0435 0.5168 0.8297
2.500 0.4979 0.00893 0.00353 -0.0428 0.5076 0.8515
2.750 0.5233 0.00903 0.00366 -0.0420 0.4994 0.8716
3.000 0.5490 0.00912 0.00379 -0.0413 0.4907 0.8895
3.250 0.5740 0.00929 0.00393 -0.0404 0.4821 0.9064
3.500 0.6003 0.00939 0.00407 -0.0399 0.4730 0.9219
3.750 0.6261 0.00958 0.00421 -0.0392 0.4640 0.9361
4.000 0.6534 0.00971 0.00436 -0.0389 0.4548 0.9497
4.250 0.6846 0.00995 0.00454 -0.0394 0.4430 0.9609
4.500 0.7213 0.01017 0.00473 -0.0411 0.4298 0.9700
4.750 0.7586 0.01041 0.00493 -0.0431 0.4181 0.9776
5.250 0.8392 0.01088 0.00530 -0.0485 0.3934 0.9846
5.500 0.8772 0.01112 0.00549 -0.0507 0.3809 0.9890
5.750 0.9139 0.01141 0.00570 -0.0528 0.3680 0.9930
6.000 0.9532 0.01164 0.00589 -0.0554 0.3541 0.9959
6.250 0.9914 0.01190 0.00611 -0.0578 0.3402 0.9991
6.500 1.0116 0.01213 0.00628 -0.0566 0.3283 1.0000
6.750 1.0231 0.01233 0.00643 -0.0535 0.3168 1.0000
7.000 1.0351 0.01251 0.00658 -0.0506 0.3061 1.0000
7.250 1.0446 0.01277 0.00677 -0.0471 0.2954 1.0000
7.500 1.0570 0.01297 0.00695 -0.0442 0.2845 1.0000
7.750 1.0682 0.01324 0.00717 -0.0411 0.2741 1.0000
8.000 1.0773 0.01353 0.00740 -0.0375 0.2633 1.0000
8.250 1.0889 0.01380 0.00764 -0.0345 0.2529 1.0000
8.500 1.1010 0.01418 0.00796 -0.0317 0.2428 1.0000
8.750 1.1163 0.01454 0.00830 -0.0296 0.2330 1.0000
9.000 1.1321 0.01495 0.00868 -0.0277 0.2240 1.0000
9.250 1.1475 0.01542 0.00910 -0.0258 0.2148 1.0000
9.500 1.1647 0.01585 0.00953 -0.0242 0.2061 1.0000
9.750 1.1790 0.01644 0.01006 -0.0223 0.1969 1.0000
10.000 1.1969 0.01689 0.01052 -0.0210 0.1882 1.0000
10.250 1.2118 0.01750 0.01109 -0.0193 0.1794 1.0000
10.500 1.2270 0.01813 0.01169 -0.0177 0.1699 1.0000
10.750 1.2421 0.01878 0.01232 -0.0162 0.1609 1.0000
11.000 1.2550 0.01957 0.01307 -0.0146 0.1521 1.0000
11.250 1.2680 0.02039 0.01387 -0.0130 0.1435 1.0000
11.500 1.2810 0.02124 0.01471 -0.0115 0.1360 1.0000
11.750 1.2910 0.02229 0.01572 -0.0099 0.1290 1.0000
12.000 1.3039 0.02322 0.01666 -0.0086 0.1228 1.0000
12.250 1.3128 0.02442 0.01785 -0.0070 0.1172 1.0000
12.500 1.3247 0.02548 0.01893 -0.0058 0.1120 1.0000
12.750 1.3315 0.02693 0.02036 -0.0044 0.1070 1.0000
13.000 1.3429 0.02809 0.02157 -0.0034 0.1024 1.0000
13.250 1.3485 0.02973 0.02321 -0.0021 0.0980 1.0000
13.500 1.3582 0.03111 0.02463 -0.0012 0.0938 1.0000
13.750 1.3636 0.03288 0.02641 -0.0002 0.0897 1.0000
14.000 1.3702 0.03461 0.02818 0.0006 0.0861 1.0000
14.250 1.3756 0.03649 0.03009 0.0014 0.0825 1.0000
14.500 1.3774 0.03876 0.03238 0.0021 0.0795 1.0000
14.750 1.3835 0.04072 0.03440 0.0025 0.0765 1.0000
15.000 1.3848 0.04318 0.03689 0.0030 0.0740 1.0000
15.250 1.3846 0.04586 0.03961 0.0033 0.0718 1.0000
15.500 1.3882 0.04823 0.04205 0.0035 0.0696 1.0000
15.750 1.3881 0.05105 0.04492 0.0035 0.0676 1.0000
16.000 1.3834 0.05441 0.04831 0.0035 0.0660 1.0000
16.250 1.3836 0.05730 0.05128 0.0034 0.0644 1.0000
16.500 1.3845 0.06018 0.05424 0.0031 0.0629 1.0000
16.750 1.3828 0.06339 0.05751 0.0028 0.0615 1.0000
17.000 1.3781 0.06696 0.06112 0.0023 0.0603 1.0000
17.250 1.3705 0.07091 0.06511 0.0018 0.0591 1.0000
17.500 1.3706 0.07405 0.06835 0.0012 0.0581 1.0000
17.750 1.3694 0.07735 0.07173 0.0006 0.0571 1.0000
18.000 1.3671 0.08080 0.07524 -0.0001 0.0562 1.0000
18.250 1.3635 0.08444 0.07894 -0.0009 0.0553 1.0000
18.500 1.3596 0.08812 0.08267 -0.0018 0.0545 1.0000
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