NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 64(4)-221 (naca644221-il) Reynolds number: 1,000,000 Max Cl/Cd: 95.77 at α=5.75° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca644221-il-1000000-n5.txt Download as CSV file: xf-naca644221-il-1000000-n5.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 = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.1473 0.08050 0.07595 -0.0468 1.0000 0.0190
-19.500 -1.1461 0.07759 0.07297 -0.0477 1.0000 0.0191
-19.250 -1.1443 0.07481 0.07013 -0.0485 1.0000 0.0192
-19.000 -1.1436 0.07195 0.06722 -0.0492 1.0000 0.0194
-18.750 -1.1423 0.06919 0.06441 -0.0499 1.0000 0.0196
-18.500 -1.1400 0.06656 0.06173 -0.0505 1.0000 0.0198
-18.250 -1.1355 0.06423 0.05936 -0.0511 1.0000 0.0201
-18.000 -1.1324 0.06177 0.05687 -0.0515 1.0000 0.0203
-17.750 -1.1263 0.05966 0.05472 -0.0519 1.0000 0.0206
-17.500 -1.1207 0.05752 0.05254 -0.0523 1.0000 0.0209
-17.250 -1.1147 0.05543 0.05040 -0.0526 1.0000 0.0211
-17.000 -1.1067 0.05360 0.04853 -0.0529 1.0000 0.0216
-16.750 -1.1003 0.05159 0.04648 -0.0531 1.0000 0.0217
-16.500 -1.0916 0.04986 0.04471 -0.0533 1.0000 0.0220
-16.250 -1.0823 0.04818 0.04299 -0.0534 1.0000 0.0223
-16.000 -1.0525 0.04573 0.04047 -0.0586 0.9546 0.0228
-15.750 -1.0097 0.04334 0.03800 -0.0663 0.9287 0.0235
-15.500 -0.9934 0.04177 0.03623 -0.0678 0.8819 0.0240
-15.250 -0.9856 0.04038 0.03471 -0.0672 0.8572 0.0245
-15.000 -0.9768 0.03905 0.03328 -0.0667 0.8395 0.0248
-14.750 -0.9676 0.03773 0.03187 -0.0663 0.8245 0.0253
-14.500 -0.9580 0.03650 0.03053 -0.0658 0.8092 0.0256
-14.250 -0.9474 0.03525 0.02921 -0.0654 0.7980 0.0259
-14.000 -0.9385 0.03393 0.02782 -0.0649 0.7872 0.0265
-13.750 -0.9288 0.03266 0.02651 -0.0644 0.7784 0.0271
-13.500 -0.9191 0.03145 0.02523 -0.0638 0.7688 0.0277
-13.250 -0.9079 0.03033 0.02407 -0.0633 0.7599 0.0283
-13.000 -0.8973 0.02921 0.02289 -0.0627 0.7523 0.0289
-12.750 -0.8857 0.02821 0.02183 -0.0620 0.7448 0.0295
-12.500 -0.8748 0.02715 0.02073 -0.0614 0.7375 0.0302
-12.250 -0.8647 0.02609 0.01963 -0.0605 0.7300 0.0311
-12.000 -0.8535 0.02508 0.01858 -0.0597 0.7238 0.0320
-11.750 -0.8417 0.02415 0.01761 -0.0589 0.7169 0.0329
-11.500 -0.8297 0.02325 0.01666 -0.0581 0.7100 0.0339
-11.250 -0.8181 0.02233 0.01571 -0.0571 0.7041 0.0350
-11.000 -0.8065 0.02143 0.01477 -0.0562 0.6975 0.0363
-10.750 -0.7940 0.02062 0.01392 -0.0552 0.6910 0.0375
-10.500 -0.7815 0.01981 0.01309 -0.0542 0.6854 0.0392
-10.250 -0.7696 0.01899 0.01225 -0.0530 0.6793 0.0410
-10.000 -0.7569 0.01825 0.01148 -0.0519 0.6728 0.0434
-9.750 -0.7446 0.01752 0.01072 -0.0507 0.6671 0.0457
-9.500 -0.7318 0.01682 0.01000 -0.0494 0.6611 0.0491
-9.250 -0.7202 0.01611 0.00929 -0.0480 0.6547 0.0527
-9.000 -0.7074 0.01550 0.00865 -0.0465 0.6486 0.0563
-8.750 -0.6955 0.01487 0.00802 -0.0449 0.6430 0.0609
-8.500 -0.6844 0.01428 0.00743 -0.0431 0.6374 0.0658
-8.250 -0.6743 0.01377 0.00689 -0.0409 0.6318 0.0710
-8.000 -0.6671 0.01336 0.00649 -0.0379 0.6273 0.0769
-7.750 -0.6522 0.01299 0.00613 -0.0362 0.6224 0.0839
-7.500 -0.6345 0.01263 0.00579 -0.0350 0.6171 0.0924
-7.250 -0.6159 0.01228 0.00545 -0.0339 0.6119 0.1036
-7.000 -0.5959 0.01190 0.00513 -0.0330 0.6078 0.1174
-6.750 -0.5747 0.01154 0.00483 -0.0322 0.6033 0.1330
-6.500 -0.5533 0.01116 0.00452 -0.0316 0.5985 0.1517
-6.250 -0.5322 0.01074 0.00419 -0.0309 0.5937 0.1780
-6.000 -0.5100 0.01030 0.00387 -0.0304 0.5899 0.2061
-5.750 -0.4876 0.00983 0.00354 -0.0299 0.5860 0.2409
-5.500 -0.4653 0.00930 0.00319 -0.0295 0.5818 0.2840
-5.250 -0.4422 0.00879 0.00286 -0.0292 0.5775 0.3316
-4.750 -0.3925 0.00797 0.00242 -0.0290 0.5702 0.4323
-4.500 -0.3636 0.00788 0.00236 -0.0293 0.5666 0.4455
-4.250 -0.3341 0.00787 0.00230 -0.0297 0.5629 0.4519
-4.000 -0.3051 0.00781 0.00225 -0.0300 0.5591 0.4583
-3.750 -0.2759 0.00780 0.00221 -0.0304 0.5553 0.4665
-3.500 -0.2466 0.00776 0.00217 -0.0308 0.5524 0.4749
-3.250 -0.2171 0.00773 0.00215 -0.0312 0.5492 0.4835
-2.750 -0.1578 0.00771 0.00208 -0.0321 0.5424 0.4911
-2.500 -0.1284 0.00770 0.00205 -0.0325 0.5392 0.4933
-2.000 -0.0691 0.00768 0.00200 -0.0333 0.5340 0.4978
-1.750 -0.0393 0.00767 0.00199 -0.0338 0.5318 0.5004
-1.500 -0.0095 0.00767 0.00197 -0.0342 0.5293 0.5028
-1.250 0.0203 0.00768 0.00196 -0.0347 0.5268 0.5046
-1.000 0.0501 0.00769 0.00195 -0.0351 0.5243 0.5059
-0.750 0.0796 0.00770 0.00194 -0.0355 0.5219 0.5075
-0.500 0.1091 0.00771 0.00194 -0.0359 0.5194 0.5095
-0.250 0.1385 0.00772 0.00195 -0.0364 0.5172 0.5117
0.000 0.1683 0.00771 0.00195 -0.0368 0.5158 0.5139
0.250 0.1981 0.00771 0.00197 -0.0373 0.5141 0.5162
0.500 0.2279 0.00772 0.00198 -0.0377 0.5123 0.5182
0.750 0.2576 0.00773 0.00200 -0.0382 0.5105 0.5202
1.000 0.2873 0.00776 0.00202 -0.0386 0.5085 0.5222
1.250 0.3168 0.00779 0.00205 -0.0390 0.5064 0.5239
1.500 0.3463 0.00782 0.00208 -0.0395 0.5044 0.5258
1.750 0.3755 0.00785 0.00212 -0.0398 0.5023 0.5286
2.000 0.4046 0.00789 0.00217 -0.0402 0.4998 0.5312
2.250 0.4342 0.00791 0.00221 -0.0406 0.4980 0.5340
2.500 0.4639 0.00792 0.00226 -0.0411 0.4960 0.5367
2.750 0.4934 0.00795 0.00231 -0.0415 0.4938 0.5395
3.000 0.5228 0.00799 0.00236 -0.0419 0.4917 0.5420
3.500 0.5812 0.00806 0.00248 -0.0426 0.4877 0.5478
3.750 0.6100 0.00812 0.00255 -0.0430 0.4850 0.5512
4.000 0.6386 0.00818 0.00263 -0.0432 0.4803 0.5547
4.250 0.6678 0.00820 0.00269 -0.0436 0.4746 0.5582
4.500 0.6961 0.00828 0.00276 -0.0438 0.4681 0.5615
4.750 0.7242 0.00836 0.00284 -0.0440 0.4604 0.5651
5.000 0.7525 0.00841 0.00292 -0.0442 0.4527 0.5695
5.250 0.7800 0.00851 0.00303 -0.0444 0.4467 0.5739
5.500 0.8085 0.00857 0.00312 -0.0446 0.4400 0.5780
5.750 0.8351 0.00872 0.00323 -0.0446 0.4266 0.5816
6.000 0.8578 0.00903 0.00343 -0.0439 0.3903 0.5856
6.250 0.8720 0.00976 0.00389 -0.0420 0.3365 0.5901
6.500 0.8860 0.01046 0.00438 -0.0400 0.2929 0.5946
6.750 0.9008 0.01104 0.00482 -0.0382 0.2597 0.5988
7.250 0.9228 0.01218 0.00573 -0.0332 0.2031 0.6075
7.500 0.9277 0.01271 0.00618 -0.0296 0.1830 0.6125
7.750 0.9345 0.01332 0.00674 -0.0265 0.1666 0.6174
8.000 0.9413 0.01401 0.00736 -0.0237 0.1509 0.6216
8.250 0.9486 0.01474 0.00806 -0.0212 0.1367 0.6270
8.500 0.9551 0.01557 0.00885 -0.0188 0.1223 0.6327
8.750 0.9629 0.01643 0.00968 -0.0167 0.1108 0.6380
9.000 0.9716 0.01731 0.01054 -0.0148 0.1009 0.6429
9.250 0.9805 0.01821 0.01144 -0.0130 0.0920 0.6490
9.500 0.9892 0.01919 0.01241 -0.0114 0.0840 0.6550
9.750 0.9985 0.02019 0.01340 -0.0099 0.0777 0.6605
10.000 1.0061 0.02130 0.01451 -0.0084 0.0703 0.6663
10.250 1.0144 0.02243 0.01564 -0.0070 0.0640 0.6728
10.500 1.0236 0.02354 0.01677 -0.0058 0.0585 0.6794
10.750 1.0327 0.02470 0.01793 -0.0046 0.0538 0.6858
11.000 1.0410 0.02592 0.01919 -0.0035 0.0498 0.6927
11.250 1.0498 0.02715 0.02043 -0.0025 0.0456 0.6999
11.500 1.0587 0.02841 0.02172 -0.0015 0.0421 0.7064
11.750 1.0673 0.02972 0.02305 -0.0006 0.0396 0.7136
12.000 1.0770 0.03099 0.02435 0.0001 0.0370 0.7204
12.250 1.0855 0.03239 0.02579 0.0009 0.0350 0.7268
12.500 1.0958 0.03369 0.02713 0.0015 0.0333 0.7345
12.750 1.1053 0.03509 0.02857 0.0021 0.0319 0.7415
13.000 1.1142 0.03655 0.03007 0.0026 0.0305 0.7486
13.250 1.1243 0.03795 0.03153 0.0031 0.0295 0.7568
13.750 1.1427 0.04097 0.03464 0.0039 0.0273 0.7726
14.000 1.1515 0.04257 0.03629 0.0042 0.0264 0.7813
14.250 1.1617 0.04404 0.03783 0.0045 0.0259 0.7901
14.500 1.1705 0.04569 0.03954 0.0047 0.0250 0.8013
14.750 1.1795 0.04731 0.04123 0.0050 0.0243 0.8125
15.000 1.1871 0.04905 0.04304 0.0052 0.0235 0.8267
15.250 1.1945 0.05081 0.04490 0.0054 0.0230 0.8440
15.500 1.2030 0.05239 0.04659 0.0058 0.0224 0.8669
15.750 1.2083 0.05399 0.04840 0.0066 0.0218 0.9193
16.250 1.2351 0.05804 0.05259 0.0039 0.0207 1.0000
16.500 1.2411 0.06025 0.05483 0.0036 0.0201 1.0000
16.750 1.2490 0.06229 0.05691 0.0033 0.0197 1.0000
17.000 1.2571 0.06432 0.05898 0.0030 0.0193 1.0000
17.250 1.2638 0.06658 0.06128 0.0026 0.0189 1.0000
17.500 1.2711 0.06873 0.06347 0.0022 0.0184 1.0000
17.750 1.2771 0.07108 0.06587 0.0017 0.0180 1.0000
18.000 1.2821 0.07360 0.06842 0.0011 0.0176 1.0000
18.250 1.2877 0.07605 0.07090 0.0005 0.0172 1.0000
18.500 1.2916 0.07878 0.07368 -0.0002 0.0168 1.0000
18.750 1.2972 0.08130 0.07625 -0.0009 0.0165 1.0000
19.000 1.3028 0.08382 0.07882 -0.0017 0.0161 1.0000
19.250 1.3058 0.08676 0.08182 -0.0027 0.0160 1.0000
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