NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=200,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 64(4)-221 (naca644221-il) Reynolds number: 200,000 Max Cl/Cd: 57.24 at α=9.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca644221-il-200000.txt Download as CSV file: xf-naca644221-il-200000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 64(4)-221
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.250 -0.8190 0.12267 0.11815 -0.0405 1.0000 0.0491
-19.000 -0.8611 0.11142 0.10666 -0.0470 1.0000 0.0488
-18.750 -0.8969 0.10212 0.09712 -0.0521 1.0000 0.0485
-18.500 -0.9296 0.09404 0.08879 -0.0562 1.0000 0.0486
-18.250 -0.9575 0.08718 0.08168 -0.0594 1.0000 0.0486
-18.000 -0.9780 0.08152 0.07578 -0.0617 1.0000 0.0487
-17.750 -0.9971 0.07641 0.07042 -0.0635 1.0000 0.0488
-17.500 -1.0154 0.07179 0.06554 -0.0649 1.0000 0.0490
-17.250 -1.0272 0.06791 0.06143 -0.0657 1.0000 0.0492
-17.000 -1.0111 0.06582 0.05933 -0.0657 1.0000 0.0500
-16.750 -1.0017 0.06375 0.05722 -0.0660 1.0000 0.0506
-16.500 -0.9947 0.06156 0.05495 -0.0662 1.0000 0.0511
-16.250 -0.9871 0.05949 0.05279 -0.0663 1.0000 0.0519
-16.000 -0.9794 0.05742 0.05061 -0.0664 1.0000 0.0526
-15.750 -0.9727 0.05532 0.04837 -0.0664 1.0000 0.0534
-15.500 -0.9676 0.05320 0.04609 -0.0664 1.0000 0.0544
-15.250 -0.9662 0.05099 0.04366 -0.0663 1.0000 0.0552
-15.000 -0.9372 0.05028 0.04306 -0.0659 1.0000 0.0566
-14.750 -0.9209 0.04914 0.04195 -0.0658 1.0000 0.0580
-14.500 -0.9064 0.04786 0.04062 -0.0656 1.0000 0.0593
-14.250 -0.8925 0.04653 0.03921 -0.0653 1.0000 0.0607
-14.000 -0.8809 0.04511 0.03764 -0.0650 1.0000 0.0620
-13.750 -0.8550 0.04464 0.03733 -0.0645 1.0000 0.0641
-13.500 -0.8395 0.04361 0.03633 -0.0642 1.0000 0.0661
-13.250 -0.8258 0.04244 0.03511 -0.0639 1.0000 0.0683
-13.000 -0.8085 0.04155 0.03424 -0.0634 1.0000 0.0706
-12.750 -0.7930 0.04061 0.03340 -0.0630 1.0000 0.0731
-12.500 -0.7793 0.03955 0.03234 -0.0627 1.0000 0.0760
-12.250 -0.7655 0.03856 0.03139 -0.0621 1.0000 0.0792
-12.000 -0.7549 0.03748 0.03041 -0.0617 1.0000 0.0825
-11.750 -0.7456 0.03646 0.02938 -0.0612 0.9988 0.0865
-11.500 -0.7164 0.03469 0.02772 -0.0650 0.9689 0.0934
-11.250 -0.6885 0.03287 0.02592 -0.0688 0.9521 0.1021
-11.000 -0.6679 0.03107 0.02414 -0.0714 0.9335 0.1127
-10.750 -0.6578 0.02949 0.02256 -0.0716 0.9147 0.1240
-10.500 -0.6548 0.02796 0.02104 -0.0706 0.8980 0.1368
-10.250 -0.6567 0.02644 0.01956 -0.0686 0.8835 0.1510
-10.000 -0.6623 0.02483 0.01801 -0.0661 0.8700 0.1681
-9.750 -0.6699 0.02318 0.01646 -0.0634 0.8572 0.1894
-9.500 -0.6798 0.02156 0.01493 -0.0602 0.8463 0.2149
-9.000 -0.7083 0.01848 0.01215 -0.0517 0.8242 0.2805
-8.750 -0.7264 0.01749 0.01133 -0.0457 0.8139 0.3171
-8.500 -0.7332 0.01674 0.01087 -0.0410 0.8055 0.3688
-8.250 -0.7238 0.01657 0.01090 -0.0382 0.7970 0.4199
-8.000 -0.7074 0.01656 0.01077 -0.0364 0.7908 0.4495
-7.750 -0.6879 0.01664 0.01075 -0.0352 0.7833 0.4695
-7.500 -0.6641 0.01687 0.01094 -0.0343 0.7763 0.4846
-7.250 -0.6384 0.01715 0.01114 -0.0336 0.7709 0.4968
-7.000 -0.6151 0.01735 0.01125 -0.0329 0.7641 0.5089
-6.750 -0.5869 0.01779 0.01168 -0.0325 0.7574 0.5195
-6.500 -0.5604 0.01806 0.01186 -0.0319 0.7521 0.5291
-6.250 -0.5315 0.01852 0.01229 -0.0316 0.7466 0.5374
-6.000 -0.5074 0.01856 0.01222 -0.0312 0.7396 0.5457
-5.750 -0.4754 0.01900 0.01269 -0.0311 0.7341 0.5512
-5.500 -0.4485 0.01922 0.01278 -0.0307 0.7295 0.5589
-5.250 -0.4216 0.01946 0.01301 -0.0305 0.7232 0.5661
-5.000 -0.3881 0.02022 0.01383 -0.0304 0.7176 0.5723
-4.750 -0.3639 0.02026 0.01373 -0.0299 0.7129 0.5809
-4.500 -0.3337 0.02056 0.01398 -0.0297 0.7090 0.5857
-4.250 -0.3038 0.02090 0.01437 -0.0297 0.7034 0.5893
-4.000 -0.2759 0.02098 0.01442 -0.0297 0.6983 0.5932
-3.750 -0.2519 0.02064 0.01395 -0.0297 0.6940 0.5982
-3.500 -0.2288 0.02014 0.01326 -0.0297 0.6904 0.6029
-3.250 -0.2008 0.02012 0.01326 -0.0298 0.6863 0.6049
-3.000 -0.1732 0.02014 0.01329 -0.0299 0.6815 0.6073
-2.750 -0.1459 0.02007 0.01319 -0.0300 0.6772 0.6100
-2.500 -0.1186 0.01990 0.01294 -0.0301 0.6736 0.6128
-2.250 -0.0916 0.01968 0.01261 -0.0304 0.6704 0.6164
-2.000 -0.0666 0.01943 0.01227 -0.0308 0.6667 0.6203
-1.750 -0.0409 0.01926 0.01209 -0.0310 0.6626 0.6230
-1.500 -0.0134 0.01924 0.01209 -0.0311 0.6590 0.6251
-1.250 0.0146 0.01924 0.01208 -0.0313 0.6559 0.6275
-1.000 0.0429 0.01921 0.01201 -0.0315 0.6532 0.6302
-0.750 0.0712 0.01914 0.01187 -0.0319 0.6509 0.6329
-0.500 0.0981 0.01915 0.01186 -0.0323 0.6481 0.6360
-0.250 0.1236 0.01913 0.01184 -0.0327 0.6447 0.6396
0.000 0.1501 0.01907 0.01175 -0.0331 0.6412 0.6423
0.250 0.1775 0.01905 0.01177 -0.0332 0.6382 0.6443
0.500 0.2053 0.01908 0.01181 -0.0335 0.6357 0.6465
0.750 0.2336 0.01912 0.01186 -0.0338 0.6336 0.6490
1.000 0.2623 0.01920 0.01192 -0.0341 0.6317 0.6522
1.250 0.2896 0.01936 0.01207 -0.0345 0.6294 0.6558
1.500 0.3138 0.01954 0.01231 -0.0347 0.6259 0.6595
1.750 0.3393 0.01969 0.01249 -0.0349 0.6228 0.6627
2.000 0.3653 0.01983 0.01270 -0.0349 0.6199 0.6652
2.250 0.3929 0.01991 0.01283 -0.0350 0.6171 0.6681
2.500 0.4214 0.01998 0.01290 -0.0353 0.6148 0.6715
2.750 0.4507 0.02005 0.01297 -0.0358 0.6128 0.6755
3.000 0.4793 0.02025 0.01314 -0.0363 0.6107 0.6800
3.250 0.4986 0.02070 0.01374 -0.0358 0.6067 0.6837
3.500 0.5207 0.02109 0.01426 -0.0353 0.6032 0.6872
3.750 0.5458 0.02134 0.01459 -0.0351 0.6002 0.6914
4.000 0.5736 0.02146 0.01474 -0.0353 0.5975 0.6965
4.250 0.6039 0.02152 0.01478 -0.0360 0.5953 0.7020
4.500 0.6339 0.02154 0.01485 -0.0363 0.5932 0.7058
4.750 0.6529 0.02210 0.01556 -0.0354 0.5893 0.7100
5.000 0.6692 0.02269 0.01629 -0.0343 0.5841 0.7153
5.250 0.6977 0.02269 0.01630 -0.0346 0.5802 0.7215
5.500 0.7315 0.02228 0.01593 -0.0352 0.5768 0.7262
5.750 0.7695 0.02180 0.01542 -0.0362 0.5735 0.7311
6.000 0.7810 0.02233 0.01614 -0.0342 0.5660 0.7374
6.250 0.8141 0.02182 0.01562 -0.0348 0.5602 0.7441
6.500 0.8563 0.02086 0.01459 -0.0360 0.5549 0.7490
6.750 0.8702 0.02109 0.01501 -0.0340 0.5468 0.7556
7.000 0.9018 0.02071 0.01463 -0.0345 0.5407 0.7635
7.250 0.9391 0.02017 0.01406 -0.0353 0.5358 0.7689
7.500 0.9500 0.02041 0.01453 -0.0328 0.5275 0.7761
7.750 0.9838 0.01983 0.01391 -0.0334 0.5200 0.7839
8.000 1.0008 0.01970 0.01393 -0.0314 0.5108 0.7901
8.250 1.0292 0.01917 0.01339 -0.0310 0.5011 0.7978
8.500 1.0427 0.01914 0.01350 -0.0288 0.4905 0.8058
8.750 1.0658 0.01881 0.01318 -0.0276 0.4803 0.8132
9.000 1.0749 0.01887 0.01338 -0.0247 0.4680 0.8229
9.250 1.0819 0.01890 0.01354 -0.0212 0.4554 0.8313
9.500 1.0853 0.01896 0.01366 -0.0173 0.4414 0.8422
9.750 1.0813 0.01932 0.01412 -0.0125 0.4247 0.8536
10.000 1.0763 0.01989 0.01475 -0.0081 0.4022 0.8661
10.250 1.0696 0.02064 0.01541 -0.0037 0.3732 0.8806
10.500 1.0564 0.02184 0.01647 0.0010 0.3439 0.8977
10.750 1.0413 0.02344 0.01796 0.0053 0.3139 0.9192
11.000 1.0305 0.02556 0.01995 0.0077 0.2803 0.9522
11.250 1.0243 0.02838 0.02257 0.0074 0.2455 1.0000
11.500 1.0169 0.03119 0.02519 0.0078 0.2173 1.0000
11.750 1.0089 0.03407 0.02789 0.0084 0.1938 1.0000
12.000 1.0042 0.03679 0.03047 0.0089 0.1725 1.0000
12.250 1.0002 0.03952 0.03306 0.0094 0.1548 1.0000
12.500 0.9977 0.04218 0.03561 0.0097 0.1394 1.0000
12.750 0.9970 0.04475 0.03808 0.0100 0.1263 1.0000
13.000 0.9983 0.04719 0.04045 0.0102 0.1152 1.0000
13.250 1.0000 0.04963 0.04282 0.0103 0.1056 1.0000
13.500 1.0017 0.05209 0.04517 0.0105 0.0978 1.0000
13.750 1.0065 0.05432 0.04737 0.0105 0.0908 1.0000
14.000 1.0125 0.05645 0.04948 0.0105 0.0847 1.0000
14.250 1.0182 0.05857 0.05151 0.0105 0.0800 1.0000
14.500 1.0267 0.06052 0.05351 0.0104 0.0753 1.0000
14.750 1.0347 0.06248 0.05540 0.0103 0.0719 1.0000
15.000 1.0440 0.06434 0.05729 0.0103 0.0683 1.0000
15.250 1.0536 0.06618 0.05913 0.0102 0.0654 1.0000
15.500 1.0654 0.06770 0.06058 0.0103 0.0628 1.0000
15.750 1.0747 0.06970 0.06267 0.0100 0.0601 1.0000
16.000 1.0857 0.07143 0.06438 0.0098 0.0581 1.0000
16.250 1.1012 0.07252 0.06540 0.0100 0.0560 1.0000
16.500 1.1100 0.07463 0.06764 0.0097 0.0543 1.0000
16.750 1.1208 0.07647 0.06952 0.0094 0.0526 1.0000
17.000 1.1356 0.07774 0.07071 0.0094 0.0510 1.0000
17.250 1.1487 0.07931 0.07232 0.0093 0.0495 1.0000
17.500 1.1547 0.08184 0.07501 0.0088 0.0482 1.0000
17.750 1.1631 0.08405 0.07731 0.0083 0.0470 1.0000
18.000 1.1742 0.08589 0.07915 0.0079 0.0459 1.0000
18.250 1.1988 0.08607 0.07918 0.0084 0.0446 1.0000
18.500 1.1982 0.08951 0.08285 0.0074 0.0440 1.0000
18.750 1.1977 0.09301 0.08657 0.0063 0.0433 1.0000
19.000 1.1993 0.09626 0.08999 0.0053 0.0426 1.0000
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