NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 64(4)-221 (naca644221-il) Reynolds number: 500,000 Max Cl/Cd: 82.33 at α=6.75° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca644221-il-500000-n5.txt Download as CSV file: xf-naca644221-il-500000-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 = 0.500 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0303 0.09499 0.09001 -0.0436 1.0000 0.0232
-19.500 -1.0299 0.09164 0.08660 -0.0451 1.0000 0.0235
-19.250 -1.0294 0.08834 0.08324 -0.0464 1.0000 0.0237
-19.000 -1.0281 0.08522 0.08006 -0.0477 1.0000 0.0240
-18.750 -1.0262 0.08221 0.07698 -0.0488 1.0000 0.0242
-18.500 -1.0232 0.07937 0.07408 -0.0498 1.0000 0.0246
-18.250 -1.0193 0.07668 0.07132 -0.0508 1.0000 0.0250
-18.000 -1.0165 0.07394 0.06851 -0.0516 1.0000 0.0253
-17.750 -1.0118 0.07144 0.06595 -0.0524 1.0000 0.0256
-17.500 -1.0066 0.06906 0.06350 -0.0530 1.0000 0.0259
-17.250 -1.0034 0.06646 0.06085 -0.0537 1.0000 0.0262
-17.000 -1.0000 0.06394 0.05830 -0.0543 1.0000 0.0266
-16.750 -0.9957 0.06155 0.05588 -0.0548 1.0000 0.0269
-16.500 -0.9901 0.05937 0.05366 -0.0552 1.0000 0.0272
-16.250 -0.9842 0.05721 0.05146 -0.0556 1.0000 0.0276
-16.000 -0.9773 0.05520 0.04941 -0.0559 1.0000 0.0281
-15.750 -0.9700 0.05327 0.04743 -0.0562 1.0000 0.0286
-15.500 -0.9624 0.05139 0.04550 -0.0564 1.0000 0.0290
-15.250 -0.9536 0.04968 0.04374 -0.0565 1.0000 0.0296
-15.000 -0.9463 0.04782 0.04185 -0.0566 1.0000 0.0300
-14.750 -0.9402 0.04591 0.03993 -0.0564 0.9827 0.0306
-14.500 -0.9040 0.04361 0.03755 -0.0630 0.9370 0.0317
-14.250 -0.8752 0.04164 0.03543 -0.0674 0.9032 0.0326
-14.000 -0.8626 0.04033 0.03397 -0.0676 0.8750 0.0335
-13.750 -0.8539 0.03897 0.03248 -0.0671 0.8553 0.0342
-13.500 -0.8467 0.03753 0.03096 -0.0665 0.8392 0.0350
-13.250 -0.8383 0.03620 0.02955 -0.0659 0.8263 0.0358
-13.000 -0.8292 0.03492 0.02819 -0.0653 0.8134 0.0368
-12.750 -0.8191 0.03372 0.02691 -0.0647 0.8037 0.0378
-12.500 -0.8095 0.03251 0.02562 -0.0641 0.7937 0.0389
-12.250 -0.8005 0.03128 0.02435 -0.0634 0.7853 0.0400
-12.000 -0.7910 0.03012 0.02313 -0.0627 0.7762 0.0416
-11.750 -0.7808 0.02905 0.02200 -0.0619 0.7682 0.0433
-11.500 -0.7713 0.02790 0.02081 -0.0611 0.7601 0.0450
-11.250 -0.7612 0.02685 0.01971 -0.0602 0.7515 0.0472
-10.750 -0.7405 0.02479 0.01758 -0.0584 0.7369 0.0520
-10.500 -0.7298 0.02384 0.01657 -0.0574 0.7299 0.0552
-10.250 -0.7200 0.02282 0.01554 -0.0564 0.7235 0.0588
-10.000 -0.7089 0.02191 0.01460 -0.0553 0.7166 0.0628
-9.750 -0.6992 0.02097 0.01364 -0.0541 0.7100 0.0679
-9.500 -0.6888 0.02007 0.01272 -0.0529 0.7040 0.0729
-9.250 -0.6778 0.01923 0.01187 -0.0516 0.6974 0.0786
-9.000 -0.6678 0.01839 0.01102 -0.0501 0.6911 0.0851
-8.750 -0.6580 0.01757 0.01020 -0.0486 0.6856 0.0925
-8.500 -0.6484 0.01678 0.00941 -0.0469 0.6794 0.1010
-8.250 -0.6400 0.01602 0.00866 -0.0450 0.6734 0.1114
-8.000 -0.6325 0.01531 0.00796 -0.0427 0.6679 0.1226
-7.750 -0.6278 0.01472 0.00739 -0.0397 0.6621 0.1349
-7.500 -0.6194 0.01419 0.00690 -0.0371 0.6561 0.1511
-7.250 -0.6069 0.01364 0.00641 -0.0352 0.6505 0.1726
-7.000 -0.5926 0.01304 0.00592 -0.0336 0.6452 0.1998
-6.750 -0.5770 0.01242 0.00544 -0.0323 0.6398 0.2329
-6.500 -0.5613 0.01173 0.00491 -0.0309 0.6347 0.2763
-6.250 -0.5444 0.01103 0.00441 -0.0298 0.6300 0.3259
-6.000 -0.5251 0.01041 0.00402 -0.0289 0.6255 0.3765
-5.750 -0.5014 0.01009 0.00387 -0.0286 0.6207 0.4219
-5.500 -0.4745 0.00999 0.00378 -0.0286 0.6159 0.4449
-5.000 -0.4182 0.00990 0.00361 -0.0290 0.6074 0.4664
-4.750 -0.3895 0.00985 0.00352 -0.0293 0.6030 0.4726
-4.500 -0.3611 0.00981 0.00346 -0.0295 0.5987 0.4793
-4.250 -0.3324 0.00983 0.00339 -0.0298 0.5946 0.4879
-4.000 -0.3043 0.00980 0.00340 -0.0299 0.5909 0.4977
-3.750 -0.2751 0.00982 0.00336 -0.0303 0.5873 0.5054
-3.500 -0.2461 0.00978 0.00330 -0.0306 0.5834 0.5092
-3.250 -0.2171 0.00974 0.00325 -0.0309 0.5797 0.5115
-3.000 -0.1881 0.00972 0.00319 -0.0312 0.5762 0.5138
-2.750 -0.1591 0.00972 0.00313 -0.0315 0.5729 0.5160
-2.500 -0.1297 0.00969 0.00309 -0.0319 0.5698 0.5184
-2.250 -0.1003 0.00968 0.00305 -0.0323 0.5663 0.5212
-2.000 -0.0710 0.00969 0.00300 -0.0327 0.5629 0.5238
-1.750 -0.0418 0.00968 0.00296 -0.0331 0.5597 0.5259
-1.500 -0.0128 0.00967 0.00293 -0.0334 0.5569 0.5278
-1.250 0.0162 0.00967 0.00291 -0.0337 0.5542 0.5296
-1.000 0.0456 0.00965 0.00290 -0.0341 0.5519 0.5315
-0.750 0.0750 0.00964 0.00290 -0.0345 0.5494 0.5335
-0.500 0.1044 0.00964 0.00290 -0.0349 0.5469 0.5357
-0.250 0.1337 0.00965 0.00290 -0.0353 0.5444 0.5381
0.000 0.1629 0.00967 0.00290 -0.0357 0.5420 0.5404
0.250 0.1922 0.00970 0.00291 -0.0361 0.5398 0.5425
0.500 0.2213 0.00974 0.00292 -0.0364 0.5377 0.5444
0.750 0.2503 0.00977 0.00295 -0.0368 0.5357 0.5467
1.000 0.2796 0.00977 0.00299 -0.0371 0.5339 0.5491
1.250 0.3088 0.00978 0.00304 -0.0375 0.5319 0.5516
1.500 0.3381 0.00980 0.00309 -0.0379 0.5297 0.5543
1.750 0.3673 0.00984 0.00314 -0.0383 0.5275 0.5571
2.000 0.3964 0.00988 0.00319 -0.0387 0.5256 0.5598
2.250 0.4256 0.00993 0.00324 -0.0390 0.5238 0.5624
2.500 0.4545 0.00997 0.00331 -0.0394 0.5217 0.5653
2.750 0.4831 0.01003 0.00338 -0.0396 0.5192 0.5684
3.000 0.5118 0.01009 0.00346 -0.0399 0.5165 0.5717
3.250 0.5408 0.01012 0.00355 -0.0403 0.5142 0.5752
3.500 0.5697 0.01017 0.00364 -0.0406 0.5121 0.5789
3.750 0.5986 0.01023 0.00374 -0.0409 0.5099 0.5824
4.000 0.6271 0.01028 0.00384 -0.0412 0.5076 0.5863
4.250 0.6556 0.01034 0.00395 -0.0415 0.5053 0.5904
4.500 0.6838 0.01041 0.00404 -0.0417 0.5023 0.5945
4.750 0.7115 0.01049 0.00414 -0.0418 0.4973 0.5986
5.250 0.7656 0.01058 0.00430 -0.0418 0.4832 0.6067
5.500 0.7925 0.01063 0.00441 -0.0418 0.4752 0.6113
5.750 0.8192 0.01072 0.00453 -0.0417 0.4683 0.6161
6.000 0.8455 0.01084 0.00466 -0.0416 0.4627 0.6206
6.250 0.8724 0.01090 0.00481 -0.0416 0.4556 0.6252
6.500 0.8969 0.01104 0.00495 -0.0412 0.4455 0.6303
6.750 0.9205 0.01118 0.00512 -0.0407 0.4284 0.6356
7.000 0.9394 0.01148 0.00532 -0.0394 0.3947 0.6406
7.250 0.9486 0.01210 0.00575 -0.0366 0.3539 0.6454
7.500 0.9546 0.01281 0.00632 -0.0333 0.3198 0.6509
7.750 0.9536 0.01351 0.00691 -0.0289 0.2901 0.6565
8.250 0.9514 0.01543 0.00862 -0.0211 0.2355 0.6675
8.500 0.9517 0.01653 0.00965 -0.0179 0.2128 0.6739
8.750 0.9536 0.01767 0.01072 -0.0153 0.1925 0.6802
9.000 0.9560 0.01887 0.01188 -0.0128 0.1737 0.6865
9.250 0.9592 0.02013 0.01310 -0.0107 0.1571 0.6934
9.500 0.9632 0.02142 0.01435 -0.0088 0.1427 0.7002
9.750 0.9668 0.02279 0.01570 -0.0070 0.1287 0.7064
10.000 0.9714 0.02415 0.01706 -0.0054 0.1170 0.7133
10.250 0.9767 0.02555 0.01844 -0.0039 0.1069 0.7202
10.500 0.9821 0.02698 0.01986 -0.0026 0.0981 0.7266
10.750 0.9883 0.02838 0.02129 -0.0014 0.0902 0.7340
11.000 0.9955 0.02977 0.02269 -0.0004 0.0832 0.7413
11.250 1.0015 0.03126 0.02420 0.0006 0.0769 0.7483
11.500 1.0076 0.03280 0.02575 0.0015 0.0706 0.7561
12.000 1.0226 0.03580 0.02882 0.0030 0.0603 0.7719
12.250 1.0298 0.03739 0.03042 0.0037 0.0558 0.7807
12.500 1.0369 0.03899 0.03208 0.0043 0.0515 0.7898
12.750 1.0449 0.04058 0.03370 0.0048 0.0480 0.7996
13.000 1.0523 0.04222 0.03540 0.0054 0.0452 0.8097
13.250 1.0605 0.04383 0.03706 0.0058 0.0426 0.8213
13.500 1.0673 0.04553 0.03884 0.0063 0.0402 0.8341
13.750 1.0749 0.04719 0.04058 0.0067 0.0383 0.8492
14.000 1.0820 0.04883 0.04232 0.0072 0.0365 0.8679
14.250 1.0876 0.05057 0.04418 0.0079 0.0352 0.8990
14.500 1.1076 0.05256 0.04632 0.0052 0.0334 0.9748
14.750 1.1140 0.05440 0.04819 0.0055 0.0323 1.0000
15.000 1.1209 0.05650 0.05030 0.0053 0.0311 1.0000
15.250 1.1290 0.05848 0.05232 0.0051 0.0301 1.0000
15.500 1.1367 0.06057 0.05445 0.0049 0.0293 1.0000
15.750 1.1440 0.06269 0.05661 0.0046 0.0283 1.0000
16.000 1.1512 0.06488 0.05884 0.0042 0.0277 1.0000
16.250 1.1561 0.06736 0.06134 0.0038 0.0269 1.0000
16.500 1.1629 0.06963 0.06366 0.0033 0.0262 1.0000
16.750 1.1693 0.07200 0.06609 0.0028 0.0256 1.0000
17.000 1.1751 0.07446 0.06860 0.0022 0.0250 1.0000
17.250 1.1810 0.07694 0.07113 0.0016 0.0244 1.0000
17.500 1.1848 0.07973 0.07397 0.0008 0.0239 1.0000
17.750 1.1885 0.08254 0.07682 0.0000 0.0234 1.0000
18.000 1.1912 0.08554 0.07988 -0.0009 0.0229 1.0000
18.250 1.1960 0.08831 0.08272 -0.0018 0.0225 1.0000
18.500 1.1999 0.09123 0.08571 -0.0027 0.0221 1.0000
18.750 1.2030 0.09429 0.08884 -0.0038 0.0215 1.0000
19.000 1.2056 0.09744 0.09205 -0.0050 0.0212 1.0000
19.250 1.2071 0.10079 0.09547 -0.0063 0.0209 1.0000
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