NACA 0021 (naca0021-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 0021 (naca0021-il) Reynolds number: 1,000,000 Max Cl/Cd: 74.74 at α=8.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca0021-il-1000000.txt Download as CSV file: xf-naca0021-il-1000000.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 = 1.000 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.3432 0.07827 0.07364 -0.0368 1.0000 0.0544
-19.500 -1.3520 0.07412 0.06942 -0.0380 1.0000 0.0553
-19.250 -1.3588 0.07026 0.06549 -0.0390 1.0000 0.0562
-19.000 -1.3630 0.06671 0.06187 -0.0399 1.0000 0.0572
-18.750 -1.3640 0.06359 0.05867 -0.0407 1.0000 0.0580
-18.500 -1.3727 0.05963 0.05465 -0.0415 1.0000 0.0591
-18.250 -1.3785 0.05608 0.05105 -0.0422 1.0000 0.0602
-18.000 -1.3809 0.05296 0.04787 -0.0427 1.0000 0.0613
-17.750 -1.3805 0.05018 0.04503 -0.0430 1.0000 0.0625
-17.500 -1.3775 0.04772 0.04250 -0.0433 1.0000 0.0636
-17.250 -1.3782 0.04492 0.03965 -0.0435 1.0000 0.0649
-17.000 -1.3782 0.04225 0.03694 -0.0436 1.0000 0.0663
-16.750 -1.3750 0.03997 0.03462 -0.0436 1.0000 0.0678
-16.500 -1.3687 0.03803 0.03263 -0.0435 1.0000 0.0692
-16.250 -1.3613 0.03623 0.03077 -0.0433 1.0000 0.0705
-16.000 -1.3583 0.03408 0.02860 -0.0429 1.0000 0.0723
-15.750 -1.3521 0.03228 0.02677 -0.0425 1.0000 0.0741
-15.500 -1.3428 0.03079 0.02525 -0.0420 1.0000 0.0759
-15.250 -1.3326 0.02943 0.02384 -0.0415 1.0000 0.0776
-15.000 -1.3257 0.02784 0.02225 -0.0407 1.0000 0.0797
-14.750 -1.3161 0.02652 0.02091 -0.0399 1.0000 0.0818
-14.500 -1.3036 0.02546 0.01981 -0.0392 1.0000 0.0837
-14.250 -1.2929 0.02431 0.01864 -0.0383 1.0000 0.0858
-14.000 -1.2826 0.02319 0.01751 -0.0372 1.0000 0.0882
-13.750 -1.2700 0.02226 0.01657 -0.0361 1.0000 0.0905
-13.500 -1.2556 0.02150 0.01577 -0.0351 1.0000 0.0925
-13.250 -1.2456 0.02055 0.01483 -0.0335 1.0000 0.0953
-13.000 -1.2336 0.01979 0.01407 -0.0319 1.0000 0.0980
-12.750 -1.2204 0.01920 0.01346 -0.0303 1.0000 0.1004
-12.500 -1.2131 0.01851 0.01277 -0.0277 1.0000 0.1034
-12.250 -1.2076 0.01796 0.01222 -0.0245 1.0000 0.1063
-12.000 -1.2041 0.01754 0.01179 -0.0208 1.0000 0.1087
-11.750 -1.2064 0.01719 0.01142 -0.0159 1.0000 0.1109
-11.500 -1.1882 0.01662 0.01088 -0.0150 0.9987 0.1150
-11.250 -1.1585 0.01613 0.01039 -0.0162 0.9967 0.1191
-11.000 -1.1294 0.01557 0.00986 -0.0173 0.9946 0.1242
-10.750 -1.0982 0.01510 0.00941 -0.0186 0.9929 0.1293
-10.500 -1.0669 0.01459 0.00894 -0.0201 0.9915 0.1352
-10.250 -1.0385 0.01417 0.00853 -0.0207 0.9880 0.1407
-10.000 -1.0087 0.01368 0.00809 -0.0217 0.9848 0.1472
-9.750 -0.9774 0.01330 0.00772 -0.0228 0.9815 0.1534
-9.500 -0.9478 0.01283 0.00731 -0.0237 0.9781 0.1608
-9.250 -0.9247 0.01253 0.00701 -0.0229 0.9702 0.1663
-9.000 -0.9015 0.01212 0.00664 -0.0222 0.9633 0.1736
-8.750 -0.8817 0.01186 0.00638 -0.0207 0.9536 0.1793
-8.500 -0.8619 0.01154 0.00607 -0.0192 0.9449 0.1862
-8.250 -0.8432 0.01131 0.00585 -0.0174 0.9340 0.1926
-8.000 -0.8229 0.01107 0.00561 -0.0159 0.9245 0.1994
-7.750 -0.8009 0.01083 0.00538 -0.0147 0.9138 0.2067
-7.500 -0.7780 0.01061 0.00516 -0.0137 0.9038 0.2140
-7.250 -0.7551 0.01040 0.00495 -0.0128 0.8925 0.2220
-7.000 -0.7311 0.01020 0.00476 -0.0120 0.8818 0.2297
-6.750 -0.7074 0.01001 0.00456 -0.0111 0.8700 0.2383
-6.500 -0.6827 0.00983 0.00438 -0.0105 0.8585 0.2464
-6.250 -0.6583 0.00966 0.00420 -0.0098 0.8462 0.2553
-6.000 -0.6331 0.00950 0.00405 -0.0092 0.8337 0.2639
-5.750 -0.6081 0.00935 0.00389 -0.0086 0.8212 0.2732
-5.500 -0.5827 0.00922 0.00375 -0.0080 0.8077 0.2819
-5.250 -0.5571 0.00908 0.00361 -0.0075 0.7947 0.2916
-5.000 -0.5317 0.00897 0.00348 -0.0070 0.7808 0.3008
-4.750 -0.5056 0.00885 0.00336 -0.0065 0.7672 0.3107
-4.500 -0.4799 0.00874 0.00324 -0.0061 0.7538 0.3207
-4.250 -0.4538 0.00866 0.00314 -0.0056 0.7393 0.3307
-4.000 -0.4278 0.00855 0.00304 -0.0052 0.7258 0.3413
-3.750 -0.4013 0.00849 0.00296 -0.0048 0.7121 0.3511
-3.500 -0.3754 0.00839 0.00286 -0.0044 0.6979 0.3621
-3.250 -0.3483 0.00835 0.00280 -0.0041 0.6846 0.3718
-3.000 -0.3226 0.00827 0.00272 -0.0036 0.6703 0.3835
-2.500 -0.2691 0.00816 0.00260 -0.0029 0.6438 0.4047
-2.250 -0.2421 0.00814 0.00255 -0.0027 0.6298 0.4143
-2.000 -0.2155 0.00807 0.00250 -0.0023 0.6173 0.4259
-1.750 -0.1886 0.00807 0.00246 -0.0020 0.6037 0.4358
-1.500 -0.1618 0.00801 0.00242 -0.0017 0.5909 0.4475
-1.250 -0.1347 0.00800 0.00240 -0.0015 0.5784 0.4580
-1.000 -0.1080 0.00798 0.00237 -0.0011 0.5652 0.4697
-0.750 -0.0808 0.00796 0.00235 -0.0009 0.5532 0.4808
-0.250 -0.0269 0.00793 0.00233 -0.0003 0.5288 0.5046
0.000 0.0000 0.00796 0.00233 0.0000 0.5163 0.5163
0.250 0.0269 0.00793 0.00233 0.0003 0.5046 0.5288
0.750 0.0808 0.00796 0.00235 0.0009 0.4808 0.5533
1.000 0.1080 0.00798 0.00237 0.0011 0.4698 0.5652
1.250 0.1347 0.00800 0.00240 0.0015 0.4580 0.5784
1.500 0.1618 0.00801 0.00242 0.0017 0.4475 0.5910
1.750 0.1886 0.00807 0.00246 0.0020 0.4359 0.6037
2.000 0.2155 0.00807 0.00250 0.0023 0.4260 0.6174
2.250 0.2421 0.00814 0.00255 0.0027 0.4143 0.6298
2.500 0.2692 0.00816 0.00260 0.0029 0.4047 0.6438
3.000 0.3227 0.00827 0.00272 0.0036 0.3834 0.6703
3.250 0.3483 0.00835 0.00280 0.0041 0.3718 0.6846
3.500 0.3754 0.00839 0.00286 0.0043 0.3621 0.6979
3.750 0.4014 0.00849 0.00296 0.0048 0.3511 0.7122
4.000 0.4279 0.00855 0.00304 0.0052 0.3413 0.7258
4.250 0.4539 0.00866 0.00314 0.0056 0.3308 0.7394
4.500 0.4800 0.00874 0.00324 0.0060 0.3207 0.7538
4.750 0.5058 0.00885 0.00336 0.0065 0.3107 0.7673
5.000 0.5318 0.00897 0.00348 0.0069 0.3008 0.7809
5.250 0.5573 0.00908 0.00361 0.0075 0.2915 0.7947
5.500 0.5829 0.00922 0.00375 0.0080 0.2819 0.8077
5.750 0.6083 0.00935 0.00389 0.0085 0.2732 0.8212
6.000 0.6333 0.00950 0.00405 0.0091 0.2638 0.8337
6.250 0.6585 0.00966 0.00420 0.0097 0.2553 0.8462
6.500 0.6829 0.00983 0.00438 0.0104 0.2464 0.8584
6.750 0.7076 0.01001 0.00456 0.0111 0.2382 0.8700
7.000 0.7314 0.01020 0.00476 0.0119 0.2296 0.8818
7.250 0.7554 0.01040 0.00495 0.0127 0.2220 0.8925
7.500 0.7784 0.01061 0.00516 0.0137 0.2139 0.9037
7.750 0.8013 0.01083 0.00538 0.0146 0.2067 0.9137
8.000 0.8233 0.01107 0.00561 0.0158 0.1993 0.9244
8.250 0.8438 0.01131 0.00585 0.0172 0.1925 0.9339
8.500 0.8625 0.01154 0.00607 0.0191 0.1861 0.9447
8.750 0.8823 0.01186 0.00638 0.0206 0.1793 0.9535
9.000 0.9021 0.01212 0.00664 0.0221 0.1735 0.9632
9.250 0.9253 0.01252 0.00700 0.0228 0.1663 0.9701
9.500 0.9483 0.01283 0.00730 0.0236 0.1609 0.9780
9.750 0.9780 0.01329 0.00772 0.0227 0.1533 0.9815
10.000 1.0093 0.01368 0.00808 0.0216 0.1472 0.9849
10.250 1.0390 0.01416 0.00853 0.0206 0.1407 0.9881
10.500 1.0676 0.01458 0.00893 0.0199 0.1352 0.9915
10.750 1.0990 0.01510 0.00940 0.0185 0.1293 0.9929
11.000 1.1302 0.01556 0.00985 0.0171 0.1241 0.9947
11.250 1.1594 0.01612 0.01038 0.0160 0.1191 0.9968
11.500 1.1891 0.01661 0.01086 0.0149 0.1149 0.9988
11.750 1.2063 0.01717 0.01140 0.0159 0.1109 1.0000
12.000 1.2043 0.01752 0.01177 0.0208 0.1087 1.0000
12.250 1.2080 0.01794 0.01220 0.0245 0.1062 1.0000
12.500 1.2137 0.01849 0.01275 0.0276 0.1033 1.0000
12.750 1.2213 0.01918 0.01343 0.0302 0.1004 1.0000
13.000 1.2347 0.01977 0.01405 0.0318 0.0980 1.0000
13.250 1.2468 0.02053 0.01481 0.0333 0.0953 1.0000
13.500 1.2570 0.02148 0.01575 0.0348 0.0924 1.0000
13.750 1.2716 0.02223 0.01654 0.0358 0.0904 1.0000
14.000 1.2842 0.02316 0.01748 0.0369 0.0881 1.0000
14.250 1.2946 0.02428 0.01861 0.0380 0.0857 1.0000
14.500 1.3057 0.02541 0.01976 0.0389 0.0836 1.0000
14.750 1.3182 0.02648 0.02086 0.0396 0.0817 1.0000
15.000 1.3279 0.02780 0.02220 0.0404 0.0796 1.0000
15.250 1.3347 0.02939 0.02380 0.0412 0.0774 1.0000
15.500 1.3454 0.03072 0.02518 0.0417 0.0758 1.0000
15.750 1.3546 0.03222 0.02671 0.0421 0.0740 1.0000
16.000 1.3609 0.03402 0.02854 0.0425 0.0722 1.0000
16.250 1.3639 0.03617 0.03071 0.0429 0.0704 1.0000
16.500 1.3719 0.03793 0.03253 0.0431 0.0691 1.0000
16.750 1.3781 0.03987 0.03452 0.0432 0.0677 1.0000
17.000 1.3814 0.04216 0.03685 0.0432 0.0662 1.0000
17.250 1.3813 0.04484 0.03957 0.0431 0.0648 1.0000
17.500 1.3813 0.04758 0.04236 0.0429 0.0636 1.0000
17.750 1.3843 0.05004 0.04489 0.0426 0.0624 1.0000
18.000 1.3848 0.05282 0.04773 0.0422 0.0612 1.0000
18.250 1.3824 0.05595 0.05091 0.0417 0.0601 1.0000
18.500 1.3766 0.05951 0.05452 0.0410 0.0590 1.0000
18.750 1.3688 0.06336 0.05844 0.0402 0.0579 1.0000
19.000 1.3675 0.06653 0.06168 0.0394 0.0571 1.0000
19.250 1.3631 0.07010 0.06533 0.0385 0.0561 1.0000
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