NACA 4418 (naca4418-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 4418 (naca4418-il) Reynolds number: 500,000 Max Cl/Cd: 93.29 at α=6.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca4418-il-500000.txt Download as CSV file: xf-naca4418-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 4418
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
------ -------- --------- --------- -------- -------- --------
-19.250 -0.8571 0.10162 0.09783 -0.0756 1.0000 0.0409
-19.000 -0.8889 0.09283 0.08886 -0.0809 1.0000 0.0411
-18.750 -0.9114 0.08582 0.08169 -0.0852 1.0000 0.0413
-18.500 -0.9300 0.07965 0.07537 -0.0889 1.0000 0.0415
-18.250 -0.9460 0.07398 0.06956 -0.0923 1.0000 0.0417
-18.000 -0.9595 0.06890 0.06436 -0.0952 1.0000 0.0418
-17.750 -0.9637 0.06570 0.06113 -0.0963 1.0000 0.0422
-17.500 -0.9686 0.06234 0.05774 -0.0976 1.0000 0.0425
-17.250 -0.9745 0.05884 0.05420 -0.0991 1.0000 0.0428
-17.000 -0.9811 0.05528 0.05059 -0.1006 1.0000 0.0431
-16.750 -0.9884 0.05178 0.04702 -0.1019 1.0000 0.0434
-16.500 -0.9964 0.04842 0.04359 -0.1029 1.0000 0.0437
-16.250 -1.0049 0.04523 0.04034 -0.1036 1.0000 0.0441
-16.000 -1.0145 0.04228 0.03731 -0.1037 1.0000 0.0444
-15.750 -1.0255 0.03962 0.03457 -0.1031 1.0000 0.0447
-15.500 -1.0386 0.03725 0.03212 -0.1017 1.0000 0.0449
-15.250 -1.0540 0.03518 0.02997 -0.0994 1.0000 0.0452
-15.000 -1.0717 0.03342 0.02813 -0.0962 1.0000 0.0454
-14.750 -1.0886 0.03191 0.02653 -0.0926 0.9998 0.0456
-14.500 -1.0702 0.03022 0.02471 -0.0946 0.9971 0.0461
-14.250 -1.0530 0.02856 0.02298 -0.0962 0.9941 0.0468
-14.000 -1.0360 0.02722 0.02161 -0.0970 0.9908 0.0475
-13.750 -1.0175 0.02621 0.02056 -0.0972 0.9864 0.0482
-13.500 -0.9911 0.02526 0.01955 -0.0985 0.9835 0.0492
-13.250 -0.9610 0.02435 0.01857 -0.1002 0.9816 0.0503
-13.000 -0.9338 0.02356 0.01766 -0.1012 0.9786 0.0514
-12.750 -0.9127 0.02257 0.01670 -0.1012 0.9737 0.0526
-12.500 -0.8826 0.02185 0.01595 -0.1025 0.9712 0.0540
-12.250 -0.8496 0.02115 0.01520 -0.1043 0.9695 0.0556
-12.000 -0.8163 0.02035 0.01435 -0.1062 0.9683 0.0574
-11.750 -0.7813 0.01967 0.01368 -0.1083 0.9672 0.0594
-11.500 -0.7614 0.01923 0.01318 -0.1071 0.9603 0.0613
-11.250 -0.7309 0.01856 0.01249 -0.1081 0.9574 0.0636
-11.000 -0.6980 0.01805 0.01197 -0.1094 0.9551 0.0663
-10.750 -0.6650 0.01753 0.01140 -0.1107 0.9531 0.0693
-10.500 -0.6448 0.01713 0.01102 -0.1094 0.9458 0.0717
-10.250 -0.6157 0.01678 0.01060 -0.1097 0.9416 0.0746
-10.000 -0.5872 0.01622 0.01005 -0.1100 0.9382 0.0774
-9.750 -0.5637 0.01593 0.00973 -0.1092 0.9320 0.0800
-9.500 -0.5369 0.01567 0.00939 -0.1089 0.9263 0.0826
-9.250 -0.5108 0.01512 0.00887 -0.1087 0.9218 0.0855
-9.000 -0.4858 0.01486 0.00859 -0.1081 0.9154 0.0882
-8.750 -0.4593 0.01464 0.00829 -0.1078 0.9090 0.0907
-8.500 -0.4333 0.01414 0.00781 -0.1075 0.9038 0.0938
-8.250 -0.4083 0.01390 0.00754 -0.1069 0.8965 0.0965
-8.000 -0.3815 0.01367 0.00725 -0.1065 0.8897 0.0991
-7.750 -0.3546 0.01326 0.00682 -0.1063 0.8838 0.1021
-7.500 -0.3300 0.01299 0.00656 -0.1057 0.8756 0.1051
-7.250 -0.3024 0.01277 0.00627 -0.1055 0.8687 0.1082
-7.000 -0.2763 0.01248 0.00596 -0.1051 0.8613 0.1115
-6.750 -0.2504 0.01220 0.00568 -0.1046 0.8530 0.1152
-6.500 -0.2221 0.01201 0.00543 -0.1046 0.8460 0.1191
-6.250 -0.1969 0.01174 0.00518 -0.1040 0.8370 0.1240
-6.000 -0.1692 0.01155 0.00496 -0.1038 0.8292 0.1297
-5.750 -0.1430 0.01132 0.00474 -0.1034 0.8206 0.1355
-5.500 -0.1159 0.01113 0.00453 -0.1032 0.8119 0.1424
-5.250 -0.0891 0.01093 0.00435 -0.1029 0.8032 0.1510
-5.000 -0.0622 0.01076 0.00419 -0.1026 0.7940 0.1612
-4.750 -0.0347 0.01064 0.00405 -0.1023 0.7854 0.1730
-4.500 -0.0077 0.01050 0.00394 -0.1020 0.7755 0.1853
-4.250 0.0195 0.01037 0.00380 -0.1018 0.7665 0.1968
-4.000 0.0467 0.01028 0.00369 -0.1015 0.7565 0.2069
-3.750 0.0738 0.01018 0.00358 -0.1013 0.7473 0.2177
-3.500 0.1007 0.01007 0.00348 -0.1010 0.7368 0.2280
-3.250 0.1279 0.01001 0.00339 -0.1007 0.7272 0.2385
-3.000 0.1548 0.00991 0.00332 -0.1004 0.7167 0.2501
-2.750 0.1819 0.00987 0.00326 -0.1001 0.7069 0.2626
-2.500 0.2089 0.00983 0.00322 -0.0998 0.6961 0.2767
-2.250 0.2358 0.00978 0.00318 -0.0995 0.6862 0.2914
-2.000 0.2627 0.00974 0.00315 -0.0992 0.6757 0.3058
-1.750 0.2897 0.00973 0.00311 -0.0989 0.6657 0.3207
-1.500 0.3162 0.00968 0.00309 -0.0985 0.6552 0.3374
-1.250 0.3428 0.00965 0.00307 -0.0982 0.6456 0.3540
-1.000 0.3693 0.00961 0.00306 -0.0979 0.6355 0.3726
-0.750 0.3957 0.00958 0.00306 -0.0975 0.6261 0.3954
-0.500 0.4218 0.00951 0.00307 -0.0971 0.6165 0.4267
-0.250 0.4474 0.00943 0.00310 -0.0966 0.6078 0.4734
0.000 0.4728 0.00930 0.00316 -0.0961 0.5986 0.5287
0.250 0.4980 0.00927 0.00322 -0.0955 0.5900 0.5788
0.500 0.5239 0.00919 0.00328 -0.0950 0.5817 0.6238
0.750 0.5490 0.00918 0.00335 -0.0944 0.5733 0.6664
1.000 0.5743 0.00914 0.00345 -0.0937 0.5656 0.7100
1.250 0.5991 0.00912 0.00354 -0.0929 0.5576 0.7552
1.500 0.6232 0.00915 0.00365 -0.0919 0.5502 0.7997
1.750 0.6474 0.00913 0.00377 -0.0909 0.5428 0.8432
2.000 0.6706 0.00920 0.00390 -0.0895 0.5355 0.8860
2.250 0.6962 0.00932 0.00406 -0.0887 0.5286 0.9232
2.500 0.7263 0.00945 0.00419 -0.0889 0.5211 0.9510
2.750 0.7625 0.00966 0.00433 -0.0906 0.5136 0.9705
3.000 0.8022 0.00982 0.00448 -0.0931 0.5063 0.9837
3.250 0.8456 0.01003 0.00463 -0.0964 0.4981 0.9927
3.500 0.8891 0.01024 0.00478 -0.0999 0.4899 0.9982
3.750 0.9157 0.01034 0.00487 -0.0998 0.4819 1.0000
4.000 0.9323 0.01050 0.00494 -0.0976 0.4747 1.0000
4.250 0.9513 0.01060 0.00504 -0.0958 0.4682 1.0000
4.500 0.9702 0.01072 0.00514 -0.0940 0.4614 1.0000
4.750 0.9886 0.01091 0.00526 -0.0922 0.4549 1.0000
5.000 1.0097 0.01102 0.00539 -0.0908 0.4487 1.0000
5.250 1.0304 0.01118 0.00552 -0.0895 0.4418 1.0000
5.500 1.0503 0.01142 0.00569 -0.0879 0.4352 1.0000
5.750 1.0726 0.01154 0.00585 -0.0869 0.4289 1.0000
6.000 1.0926 0.01173 0.00601 -0.0854 0.4219 1.0000
6.250 1.1114 0.01198 0.00621 -0.0837 0.4154 1.0000
6.500 1.1326 0.01214 0.00640 -0.0825 0.4087 1.0000
6.750 1.1519 0.01239 0.00662 -0.0810 0.4015 1.0000
7.000 1.1720 0.01265 0.00687 -0.0796 0.3947 1.0000
7.250 1.1925 0.01289 0.00711 -0.0784 0.3869 1.0000
7.500 1.2105 0.01323 0.00740 -0.0767 0.3785 1.0000
7.750 1.2311 0.01349 0.00768 -0.0756 0.3698 1.0000
8.000 1.2483 0.01390 0.00802 -0.0739 0.3614 1.0000
8.250 1.2693 0.01417 0.00833 -0.0729 0.3531 1.0000
8.750 1.3047 0.01500 0.00912 -0.0699 0.3331 1.0000
9.000 1.3207 0.01551 0.00958 -0.0682 0.3217 1.0000
9.250 1.3357 0.01609 0.01011 -0.0665 0.3100 1.0000
9.500 1.3534 0.01657 0.01060 -0.0652 0.2998 1.0000
9.750 1.3680 0.01721 0.01120 -0.0635 0.2900 1.0000
10.000 1.3839 0.01782 0.01180 -0.0620 0.2797 1.0000
10.250 1.3985 0.01851 0.01247 -0.0605 0.2697 1.0000
10.500 1.4103 0.01937 0.01327 -0.0586 0.2591 1.0000
10.750 1.4248 0.02011 0.01402 -0.0572 0.2485 1.0000
11.000 1.4365 0.02104 0.01492 -0.0555 0.2383 1.0000
11.250 1.4463 0.02209 0.01594 -0.0537 0.2278 1.0000
11.500 1.4587 0.02304 0.01688 -0.0523 0.2182 1.0000
11.750 1.4675 0.02424 0.01805 -0.0505 0.2091 1.0000
12.000 1.4772 0.02542 0.01923 -0.0490 0.2000 1.0000
12.250 1.4863 0.02667 0.02047 -0.0475 0.1919 1.0000
12.500 1.4928 0.02814 0.02192 -0.0459 0.1836 1.0000
12.750 1.5016 0.02950 0.02330 -0.0446 0.1761 1.0000
13.000 1.5058 0.03125 0.02504 -0.0430 0.1684 1.0000
13.250 1.5143 0.03272 0.02652 -0.0419 0.1611 1.0000
13.500 1.5170 0.03471 0.02850 -0.0405 0.1541 1.0000
13.750 1.5236 0.03644 0.03026 -0.0395 0.1468 1.0000
14.000 1.5263 0.03857 0.03239 -0.0384 0.1401 1.0000
14.250 1.5296 0.04068 0.03452 -0.0374 0.1329 1.0000
14.500 1.5316 0.04297 0.03683 -0.0365 0.1262 1.0000
14.750 1.5302 0.04567 0.03952 -0.0356 0.1194 1.0000
15.000 1.5315 0.04816 0.04205 -0.0349 0.1127 1.0000
15.250 1.5289 0.05110 0.04500 -0.0342 0.1067 1.0000
15.500 1.5259 0.05414 0.04806 -0.0337 0.1007 1.0000
15.750 1.5232 0.05723 0.05118 -0.0333 0.0953 1.0000
16.000 1.5166 0.06081 0.05476 -0.0329 0.0905 1.0000
16.250 1.5136 0.06403 0.05804 -0.0327 0.0860 1.0000
16.500 1.5050 0.06795 0.06198 -0.0326 0.0821 1.0000
16.750 1.5016 0.07135 0.06544 -0.0326 0.0785 1.0000
17.000 1.4937 0.07533 0.06945 -0.0328 0.0753 1.0000
17.250 1.4882 0.07902 0.07320 -0.0329 0.0725 1.0000
17.500 1.4828 0.08277 0.07701 -0.0333 0.0699 1.0000
17.750 1.4736 0.08706 0.08133 -0.0337 0.0678 1.0000
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