NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 64(4)-221 (naca644221-il) Reynolds number: 1,000,000 Max Cl/Cd: 111.42 at α=7.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca644221-il-1000000.txt Download as CSV file: xf-naca644221-il-1000000.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 = 1.000 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.1081 0.08513 0.08081 -0.0460 1.0000 0.0234
-19.500 -1.1077 0.08209 0.07773 -0.0470 1.0000 0.0236
-19.250 -1.1073 0.07904 0.07462 -0.0480 1.0000 0.0238
-19.000 -1.1049 0.07632 0.07186 -0.0488 1.0000 0.0241
-18.750 -1.1033 0.07352 0.06901 -0.0495 1.0000 0.0243
-18.500 -1.0991 0.07110 0.06653 -0.0502 1.0000 0.0245
-18.250 -1.0950 0.06861 0.06400 -0.0508 1.0000 0.0248
-18.000 -1.0916 0.06613 0.06146 -0.0514 1.0000 0.0251
-17.750 -1.0857 0.06393 0.05921 -0.0518 1.0000 0.0254
-17.500 -1.0803 0.06169 0.05692 -0.0523 1.0000 0.0257
-17.250 -1.0741 0.05960 0.05478 -0.0526 1.0000 0.0258
-17.000 -1.0696 0.05734 0.05246 -0.0530 1.0000 0.0262
-16.750 -1.0683 0.05479 0.04988 -0.0533 1.0000 0.0265
-16.500 -1.0655 0.05244 0.04750 -0.0535 1.0000 0.0270
-16.250 -1.0594 0.05043 0.04546 -0.0537 1.0000 0.0273
-16.000 -1.0514 0.04863 0.04364 -0.0538 1.0000 0.0278
-15.750 -1.0439 0.04678 0.04175 -0.0540 1.0000 0.0283
-15.500 -1.0350 0.04512 0.04006 -0.0540 1.0000 0.0287
-15.250 -1.0254 0.04353 0.03843 -0.0541 1.0000 0.0293
-15.000 -1.0163 0.04191 0.03677 -0.0541 1.0000 0.0296
-14.750 -1.0073 0.04031 0.03514 -0.0540 1.0000 0.0301
-14.500 -1.0037 0.03827 0.03307 -0.0538 1.0000 0.0307
-14.250 -0.9719 0.03618 0.03095 -0.0589 0.9576 0.0316
-14.000 -0.9235 0.03429 0.02895 -0.0668 0.9303 0.0328
-13.750 -0.9055 0.03311 0.02759 -0.0678 0.8908 0.0336
-13.500 -0.8967 0.03200 0.02633 -0.0668 0.8670 0.0342
-13.250 -0.8924 0.03053 0.02478 -0.0658 0.8494 0.0350
-13.000 -0.8846 0.02927 0.02346 -0.0649 0.8367 0.0360
-12.750 -0.8758 0.02814 0.02227 -0.0640 0.8250 0.0369
-12.500 -0.8656 0.02710 0.02115 -0.0632 0.8142 0.0379
-12.250 -0.8545 0.02612 0.02010 -0.0623 0.8048 0.0388
-12.000 -0.8478 0.02488 0.01882 -0.0612 0.7953 0.0402
-11.750 -0.8385 0.02384 0.01774 -0.0601 0.7868 0.0417
-11.500 -0.8272 0.02290 0.01675 -0.0592 0.7784 0.0433
-11.250 -0.8183 0.02190 0.01569 -0.0580 0.7698 0.0451
-11.000 -0.8080 0.02092 0.01470 -0.0569 0.7626 0.0471
-10.750 -0.7963 0.02008 0.01381 -0.0558 0.7548 0.0493
-10.500 -0.7882 0.01909 0.01281 -0.0543 0.7473 0.0528
-10.250 -0.7769 0.01825 0.01195 -0.0531 0.7404 0.0562
-10.000 -0.7678 0.01738 0.01106 -0.0515 0.7329 0.0611
-9.750 -0.7584 0.01654 0.01022 -0.0499 0.7261 0.0662
-9.500 -0.7487 0.01575 0.00943 -0.0483 0.7192 0.0725
-9.250 -0.7388 0.01504 0.00870 -0.0465 0.7120 0.0792
-9.000 -0.7296 0.01434 0.00801 -0.0445 0.7056 0.0867
-8.750 -0.7227 0.01364 0.00733 -0.0420 0.6989 0.0952
-8.500 -0.7188 0.01309 0.00678 -0.0387 0.6923 0.1039
-8.250 -0.7099 0.01264 0.00636 -0.0361 0.6864 0.1160
-8.000 -0.6954 0.01215 0.00593 -0.0344 0.6807 0.1327
-7.750 -0.6800 0.01163 0.00550 -0.0328 0.6746 0.1537
-7.500 -0.6627 0.01115 0.00509 -0.0316 0.6686 0.1789
-7.250 -0.6453 0.01053 0.00464 -0.0304 0.6636 0.2131
-7.000 -0.6281 0.00984 0.00416 -0.0292 0.6579 0.2590
-6.750 -0.6100 0.00913 0.00367 -0.0282 0.6521 0.3141
-6.500 -0.5897 0.00847 0.00325 -0.0275 0.6471 0.3688
-6.250 -0.5659 0.00803 0.00303 -0.0272 0.6420 0.4215
-6.000 -0.5378 0.00793 0.00294 -0.0274 0.6366 0.4405
-5.750 -0.5089 0.00793 0.00286 -0.0277 0.6307 0.4513
-5.500 -0.4802 0.00783 0.00280 -0.0280 0.6266 0.4604
-5.250 -0.4507 0.00782 0.00274 -0.0284 0.6216 0.4675
-5.000 -0.4217 0.00778 0.00267 -0.0287 0.6166 0.4745
-4.750 -0.3929 0.00779 0.00264 -0.0290 0.6110 0.4823
-4.500 -0.3628 0.00780 0.00261 -0.0295 0.6075 0.4872
-4.250 -0.3335 0.00774 0.00254 -0.0299 0.6031 0.4917
-4.000 -0.3043 0.00771 0.00250 -0.0302 0.5985 0.4960
-3.750 -0.2750 0.00775 0.00249 -0.0306 0.5935 0.5013
-3.500 -0.2450 0.00781 0.00249 -0.0311 0.5898 0.5062
-3.250 -0.2157 0.00774 0.00246 -0.0314 0.5860 0.5132
-3.000 -0.1861 0.00776 0.00247 -0.0318 0.5819 0.5180
-2.750 -0.1565 0.00777 0.00244 -0.0322 0.5780 0.5204
-2.500 -0.1271 0.00781 0.00241 -0.0326 0.5735 0.5222
-2.250 -0.0971 0.00780 0.00238 -0.0331 0.5709 0.5238
-2.000 -0.0671 0.00780 0.00236 -0.0336 0.5680 0.5250
-1.750 -0.0375 0.00773 0.00230 -0.0341 0.5649 0.5278
-1.500 -0.0081 0.00771 0.00227 -0.0345 0.5618 0.5308
-1.250 0.0214 0.00772 0.00227 -0.0349 0.5586 0.5334
-1.000 0.0507 0.00777 0.00228 -0.0352 0.5548 0.5357
-0.750 0.0806 0.00776 0.00228 -0.0357 0.5528 0.5376
-0.500 0.1106 0.00776 0.00228 -0.0362 0.5507 0.5394
-0.250 0.1405 0.00776 0.00228 -0.0367 0.5485 0.5412
0.000 0.1704 0.00778 0.00228 -0.0372 0.5462 0.5428
0.250 0.2001 0.00780 0.00228 -0.0376 0.5438 0.5445
0.500 0.2294 0.00778 0.00228 -0.0380 0.5414 0.5480
0.750 0.2587 0.00781 0.00231 -0.0384 0.5387 0.5508
1.000 0.2880 0.00788 0.00237 -0.0388 0.5357 0.5533
1.250 0.3178 0.00788 0.00240 -0.0393 0.5345 0.5559
1.500 0.3477 0.00790 0.00243 -0.0398 0.5329 0.5585
1.750 0.3775 0.00792 0.00247 -0.0402 0.5310 0.5609
2.000 0.4072 0.00795 0.00250 -0.0407 0.5287 0.5630
2.250 0.4366 0.00794 0.00252 -0.0411 0.5263 0.5669
2.500 0.4659 0.00796 0.00257 -0.0415 0.5239 0.5705
2.750 0.4952 0.00801 0.00263 -0.0419 0.5217 0.5740
3.000 0.5244 0.00809 0.00271 -0.0423 0.5192 0.5774
3.250 0.5539 0.00818 0.00280 -0.0427 0.5171 0.5806
3.500 0.5834 0.00820 0.00286 -0.0431 0.5158 0.5839
3.750 0.6127 0.00819 0.00292 -0.0435 0.5136 0.5886
4.000 0.6418 0.00818 0.00295 -0.0439 0.5098 0.5929
4.250 0.6706 0.00821 0.00299 -0.0442 0.5049 0.5971
4.500 0.6988 0.00834 0.00308 -0.0444 0.4993 0.6008
4.750 0.7278 0.00829 0.00311 -0.0447 0.4950 0.6056
5.000 0.7566 0.00829 0.00317 -0.0450 0.4903 0.6109
5.250 0.7850 0.00836 0.00325 -0.0452 0.4864 0.6160
5.500 0.8127 0.00849 0.00336 -0.0454 0.4813 0.6204
5.750 0.8416 0.00847 0.00343 -0.0457 0.4769 0.6256
6.000 0.8695 0.00851 0.00350 -0.0458 0.4698 0.6311
6.250 0.8965 0.00861 0.00361 -0.0458 0.4621 0.6365
6.500 0.9249 0.00867 0.00371 -0.0461 0.4555 0.6411
6.750 0.9512 0.00877 0.00383 -0.0460 0.4471 0.6471
7.000 0.9786 0.00885 0.00395 -0.0460 0.4366 0.6530
7.250 1.0039 0.00901 0.00409 -0.0458 0.4206 0.6586
7.500 1.0239 0.00938 0.00433 -0.0447 0.3861 0.6639
7.750 1.0355 0.01008 0.00483 -0.0423 0.3427 0.6701
8.000 1.0439 0.01084 0.00541 -0.0394 0.3004 0.6762
8.250 1.0472 0.01161 0.00598 -0.0356 0.2639 0.6815
8.500 1.0455 0.01231 0.00659 -0.0310 0.2358 0.6882
8.750 1.0437 0.01319 0.00737 -0.0267 0.2110 0.6949
9.000 1.0447 0.01412 0.00820 -0.0232 0.1883 0.7011
9.250 1.0450 0.01515 0.00917 -0.0200 0.1678 0.7080
9.500 1.0465 0.01626 0.01022 -0.0171 0.1504 0.7151
9.750 1.0493 0.01742 0.01132 -0.0146 0.1340 0.7218
10.000 1.0525 0.01862 0.01249 -0.0123 0.1197 0.7291
10.250 1.0565 0.01986 0.01370 -0.0103 0.1078 0.7367
11.000 1.0727 0.02370 0.01753 -0.0054 0.0819 0.7604
11.250 1.0790 0.02501 0.01885 -0.0040 0.0749 0.7686
11.500 1.0849 0.02638 0.02023 -0.0027 0.0685 0.7777
11.750 1.0902 0.02785 0.02171 -0.0015 0.0629 0.7860
12.000 1.0961 0.02928 0.02317 -0.0003 0.0574 0.7956
12.250 1.1034 0.03070 0.02461 0.0006 0.0529 0.8049
12.500 1.1090 0.03225 0.02621 0.0016 0.0488 0.8156
12.750 1.1159 0.03375 0.02774 0.0025 0.0455 0.8264
13.000 1.1230 0.03527 0.02932 0.0033 0.0429 0.8390
13.250 1.1296 0.03681 0.03091 0.0041 0.0405 0.8534
13.500 1.1355 0.03840 0.03259 0.0050 0.0385 0.8719
13.750 1.1420 0.03977 0.03409 0.0061 0.0369 0.9027
14.000 1.1604 0.04183 0.03630 0.0035 0.0348 0.9824
14.250 1.1683 0.04332 0.03782 0.0042 0.0339 1.0000
14.500 1.1768 0.04508 0.03960 0.0043 0.0325 1.0000
14.750 1.1845 0.04692 0.04146 0.0044 0.0316 1.0000
15.000 1.1899 0.04900 0.04356 0.0045 0.0304 1.0000
15.250 1.1994 0.05075 0.04535 0.0045 0.0296 1.0000
15.500 1.2082 0.05257 0.04720 0.0044 0.0287 1.0000
15.750 1.2141 0.05471 0.04937 0.0043 0.0278 1.0000
16.000 1.2198 0.05691 0.05159 0.0042 0.0272 1.0000
16.250 1.2245 0.05924 0.05396 0.0040 0.0264 1.0000
16.500 1.2329 0.06122 0.05599 0.0038 0.0257 1.0000
16.750 1.2411 0.06324 0.05804 0.0035 0.0251 1.0000
17.000 1.2462 0.06565 0.06049 0.0031 0.0245 1.0000
17.250 1.2511 0.06810 0.06298 0.0026 0.0240 1.0000
17.500 1.2507 0.07119 0.06611 0.0021 0.0232 1.0000
17.750 1.2573 0.07353 0.06849 0.0015 0.0228 1.0000
18.000 1.2633 0.07595 0.07097 0.0010 0.0224 1.0000
18.250 1.2683 0.07857 0.07364 0.0002 0.0219 1.0000
18.500 1.2740 0.08108 0.07620 -0.0005 0.0214 1.0000
18.750 1.2769 0.08398 0.07915 -0.0013 0.0210 1.0000
19.000 1.2783 0.08714 0.08235 -0.0023 0.0206 1.0000
19.250 1.2781 0.09056 0.08582 -0.0034 0.0202 1.0000
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