NACA 0021 (naca0021-il) Xfoil prediction polar at RE=200,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 0021 (naca0021-il) Reynolds number: 200,000 Max Cl/Cd: 43.59 at α=9.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca0021-il-200000-n5.txt Download as CSV file: xf-naca0021-il-200000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 0021
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.250 -1.0892 0.10249 0.09601 -0.0345 1.0000 0.0745
-19.000 -1.0937 0.09846 0.09187 -0.0361 1.0000 0.0760
-18.750 -1.0967 0.09470 0.08804 -0.0376 1.0000 0.0775
-18.500 -1.0991 0.09112 0.08444 -0.0390 1.0000 0.0788
-18.250 -1.1020 0.08745 0.08071 -0.0403 1.0000 0.0803
-18.000 -1.1050 0.08379 0.07696 -0.0416 1.0000 0.0820
-17.750 -1.1068 0.08032 0.07338 -0.0428 1.0000 0.0838
-17.500 -1.1082 0.07703 0.07005 -0.0438 1.0000 0.0853
-17.250 -1.1103 0.07364 0.06663 -0.0448 1.0000 0.0868
-17.000 -1.1117 0.07038 0.06330 -0.0457 1.0000 0.0886
-16.750 -1.1116 0.06735 0.06018 -0.0465 1.0000 0.0905
-16.500 -1.1105 0.06447 0.05721 -0.0472 1.0000 0.0925
-16.250 -1.1118 0.06140 0.05413 -0.0479 1.0000 0.0942
-16.000 -1.1117 0.05854 0.05121 -0.0484 1.0000 0.0962
-15.750 -1.1096 0.05593 0.04853 -0.0488 1.0000 0.0985
-15.500 -1.1059 0.05356 0.04606 -0.0491 1.0000 0.1008
-15.250 -1.1056 0.05090 0.04340 -0.0493 1.0000 0.1028
-15.000 -1.1034 0.04850 0.04095 -0.0494 1.0000 0.1052
-14.750 -1.0989 0.04638 0.03876 -0.0494 1.0000 0.1079
-14.500 -1.0937 0.04439 0.03670 -0.0492 1.0000 0.1105
-14.250 -1.0912 0.04223 0.03453 -0.0490 1.0000 0.1129
-14.000 -1.0863 0.04033 0.03260 -0.0486 1.0000 0.1159
-13.750 -1.0787 0.03873 0.03092 -0.0481 1.0000 0.1191
-13.500 -1.0740 0.03697 0.02914 -0.0475 1.0000 0.1219
-13.250 -1.0683 0.03535 0.02751 -0.0467 1.0000 0.1252
-13.000 -1.0599 0.03399 0.02608 -0.0459 1.0000 0.1288
-12.750 -1.0529 0.03260 0.02468 -0.0449 1.0000 0.1321
-12.500 -1.0465 0.03127 0.02334 -0.0437 1.0000 0.1357
-12.250 -1.0374 0.03017 0.02220 -0.0424 1.0000 0.1398
-12.000 -1.0298 0.02907 0.02109 -0.0409 1.0000 0.1436
-11.500 -1.0152 0.02716 0.01915 -0.0372 1.0000 0.1519
-11.250 -1.0094 0.02633 0.01831 -0.0348 1.0000 0.1559
-11.000 -1.0059 0.02554 0.01754 -0.0319 1.0000 0.1600
-10.750 -1.0013 0.02492 0.01690 -0.0289 1.0000 0.1644
-10.500 -0.9993 0.02434 0.01631 -0.0253 1.0000 0.1684
-10.250 -1.0012 0.02380 0.01579 -0.0211 1.0000 0.1725
-10.000 -1.0032 0.02339 0.01537 -0.0165 1.0000 0.1767
-9.750 -0.9962 0.02294 0.01491 -0.0136 0.9986 0.1815
-9.500 -0.9692 0.02226 0.01425 -0.0146 0.9937 0.1886
-9.250 -0.9404 0.02171 0.01369 -0.0157 0.9890 0.1959
-9.000 -0.9139 0.02111 0.01312 -0.0164 0.9828 0.2035
-8.750 -0.8824 0.02060 0.01259 -0.0179 0.9785 0.2115
-8.500 -0.8574 0.02007 0.01210 -0.0180 0.9712 0.2194
-8.250 -0.8268 0.01958 0.01161 -0.0191 0.9656 0.2277
-8.000 -0.7998 0.01909 0.01116 -0.0195 0.9589 0.2363
-7.750 -0.7732 0.01867 0.01073 -0.0197 0.9508 0.2447
-7.500 -0.7427 0.01820 0.01029 -0.0206 0.9452 0.2541
-7.250 -0.7204 0.01784 0.00994 -0.0197 0.9346 0.2623
-7.000 -0.6908 0.01742 0.00954 -0.0203 0.9281 0.2722
-6.750 -0.6694 0.01710 0.00924 -0.0192 0.9167 0.2808
-6.500 -0.6410 0.01672 0.00887 -0.0194 0.9090 0.2910
-6.250 -0.6196 0.01643 0.00860 -0.0182 0.8969 0.3000
-6.000 -0.5922 0.01609 0.00827 -0.0181 0.8883 0.3104
-5.750 -0.5706 0.01583 0.00803 -0.0169 0.8756 0.3197
-5.500 -0.5448 0.01556 0.00774 -0.0164 0.8653 0.3303
-5.250 -0.5220 0.01530 0.00751 -0.0154 0.8528 0.3400
-5.000 -0.4970 0.01508 0.00727 -0.0147 0.8411 0.3507
-4.750 -0.4732 0.01484 0.00704 -0.0138 0.8286 0.3607
-4.500 -0.4485 0.01467 0.00684 -0.0131 0.8159 0.3714
-4.250 -0.4240 0.01445 0.00663 -0.0123 0.8036 0.3817
-3.750 -0.3753 0.01413 0.00629 -0.0107 0.7769 0.4028
-3.500 -0.3501 0.01400 0.00612 -0.0100 0.7631 0.4137
-3.250 -0.3259 0.01385 0.00599 -0.0091 0.7495 0.4243
-3.000 -0.3005 0.01375 0.00583 -0.0085 0.7363 0.4353
-2.750 -0.2762 0.01363 0.00573 -0.0077 0.7221 0.4464
-2.500 -0.2510 0.01355 0.00562 -0.0070 0.7086 0.4576
-2.250 -0.2262 0.01346 0.00552 -0.0062 0.6951 0.4692
-2.000 -0.2012 0.01339 0.00544 -0.0055 0.6812 0.4804
-1.750 -0.1760 0.01333 0.00535 -0.0048 0.6681 0.4923
-1.500 -0.1510 0.01327 0.00529 -0.0041 0.6544 0.5036
-1.250 -0.1258 0.01323 0.00523 -0.0034 0.6413 0.5158
-1.000 -0.1008 0.01319 0.00519 -0.0027 0.6282 0.5273
-0.500 -0.0504 0.01314 0.00513 -0.0013 0.6023 0.5517
-0.250 -0.0251 0.01313 0.00512 -0.0007 0.5892 0.5642
0.000 0.0000 0.01313 0.00511 0.0000 0.5768 0.5768
0.250 0.0251 0.01313 0.00512 0.0007 0.5642 0.5892
0.500 0.0504 0.01314 0.00513 0.0013 0.5517 0.6023
1.000 0.1008 0.01319 0.00519 0.0027 0.5273 0.6282
1.250 0.1258 0.01323 0.00523 0.0034 0.5158 0.6412
1.500 0.1510 0.01327 0.00529 0.0041 0.5036 0.6544
1.750 0.1760 0.01333 0.00535 0.0048 0.4923 0.6681
2.000 0.2012 0.01339 0.00544 0.0055 0.4804 0.6813
2.250 0.2262 0.01346 0.00552 0.0062 0.4691 0.6951
2.500 0.2511 0.01355 0.00562 0.0070 0.4576 0.7086
2.750 0.2762 0.01363 0.00573 0.0077 0.4464 0.7222
3.000 0.3006 0.01375 0.00583 0.0085 0.4353 0.7363
3.250 0.3260 0.01385 0.00599 0.0091 0.4243 0.7496
3.500 0.3501 0.01400 0.00612 0.0100 0.4137 0.7631
3.750 0.3753 0.01413 0.00629 0.0107 0.4028 0.7769
4.250 0.4241 0.01445 0.00663 0.0123 0.3817 0.8036
4.500 0.4486 0.01467 0.00684 0.0131 0.3714 0.8159
4.750 0.4733 0.01484 0.00704 0.0138 0.3607 0.8286
5.000 0.4971 0.01508 0.00727 0.0147 0.3507 0.8411
5.250 0.5221 0.01530 0.00751 0.0154 0.3400 0.8528
5.500 0.5450 0.01555 0.00774 0.0164 0.3303 0.8653
5.750 0.5707 0.01583 0.00803 0.0169 0.3196 0.8756
6.000 0.5923 0.01609 0.00827 0.0181 0.3104 0.8883
6.250 0.6198 0.01643 0.00860 0.0182 0.2999 0.8970
6.500 0.6412 0.01672 0.00887 0.0194 0.2910 0.9090
6.750 0.6696 0.01710 0.00924 0.0192 0.2808 0.9167
7.000 0.6911 0.01741 0.00954 0.0203 0.2722 0.9281
7.250 0.7206 0.01784 0.00994 0.0197 0.2623 0.9347
7.500 0.7429 0.01819 0.01029 0.0205 0.2540 0.9452
7.750 0.7735 0.01866 0.01073 0.0196 0.2446 0.9509
8.000 0.8001 0.01909 0.01115 0.0195 0.2363 0.9590
8.250 0.8272 0.01958 0.01161 0.0191 0.2277 0.9657
8.500 0.8578 0.02006 0.01209 0.0180 0.2193 0.9713
8.750 0.8829 0.02059 0.01258 0.0178 0.2114 0.9785
9.000 0.9145 0.02110 0.01311 0.0163 0.2034 0.9829
9.250 0.9409 0.02171 0.01368 0.0156 0.1958 0.9891
9.500 0.9699 0.02225 0.01424 0.0145 0.1885 0.9938
9.750 0.9969 0.02293 0.01490 0.0135 0.1814 0.9987
10.000 1.0033 0.02337 0.01535 0.0165 0.1767 1.0000
10.250 1.0013 0.02378 0.01577 0.0210 0.1725 1.0000
10.500 0.9996 0.02432 0.01629 0.0253 0.1684 1.0000
10.750 1.0017 0.02491 0.01688 0.0288 0.1644 1.0000
11.000 1.0063 0.02552 0.01752 0.0318 0.1600 1.0000
11.250 1.0099 0.02631 0.01829 0.0347 0.1558 1.0000
11.500 1.0160 0.02714 0.01912 0.0370 0.1518 1.0000
11.750 1.0243 0.02799 0.02001 0.0389 0.1475 1.0000
12.000 1.0307 0.02905 0.02106 0.0408 0.1435 1.0000
12.250 1.0386 0.03014 0.02217 0.0423 0.1397 1.0000
12.500 1.0477 0.03124 0.02331 0.0435 0.1357 1.0000
12.750 1.0542 0.03258 0.02465 0.0447 0.1320 1.0000
13.000 1.0615 0.03395 0.02605 0.0457 0.1287 1.0000
13.250 1.0699 0.03531 0.02747 0.0465 0.1250 1.0000
13.500 1.0756 0.03693 0.02910 0.0473 0.1218 1.0000
13.750 1.0806 0.03869 0.03087 0.0479 0.1190 1.0000
14.000 1.0882 0.04029 0.03255 0.0484 0.1157 1.0000
14.250 1.0931 0.04218 0.03448 0.0487 0.1128 1.0000
14.500 1.0957 0.04435 0.03666 0.0490 0.1104 1.0000
14.750 1.1011 0.04632 0.03870 0.0491 0.1078 1.0000
15.000 1.1057 0.04845 0.04089 0.0491 0.1051 1.0000
15.250 1.1080 0.05085 0.04334 0.0490 0.1027 1.0000
15.500 1.1082 0.05351 0.04600 0.0487 0.1007 1.0000
15.750 1.1123 0.05586 0.04845 0.0485 0.0984 1.0000
16.000 1.1144 0.05847 0.05114 0.0481 0.0961 1.0000
16.250 1.1145 0.06134 0.05406 0.0475 0.0941 1.0000
16.500 1.1133 0.06440 0.05713 0.0468 0.0924 1.0000
16.750 1.1145 0.06727 0.06010 0.0462 0.0904 1.0000
17.000 1.1147 0.07031 0.06322 0.0454 0.0884 1.0000
17.250 1.1134 0.07356 0.06654 0.0444 0.0867 1.0000
17.500 1.1112 0.07695 0.06996 0.0434 0.0852 1.0000
17.750 1.1101 0.08023 0.07329 0.0424 0.0837 1.0000
18.000 1.1082 0.08371 0.07688 0.0412 0.0819 1.0000
18.250 1.1053 0.08737 0.08062 0.0399 0.0802 1.0000
18.500 1.1024 0.09104 0.08436 0.0385 0.0787 1.0000
18.750 1.1002 0.09461 0.08793 0.0372 0.0774 1.0000
19.000 1.0970 0.09840 0.09181 0.0357 0.0759 1.0000
19.250 1.0925 0.10244 0.09597 0.0340 0.0744 1.0000
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