SD8020-010-88 (sd8020-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: SD8020-010-88 (sd8020-il) Reynolds number: 500,000 Max Cl/Cd: 61.95 at α=6.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-sd8020-il-500000-n5.txt Download as CSV file: xf-sd8020-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: SD8020-010-88
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
------ -------- --------- --------- -------- -------- --------
-16.000 -0.9991 0.09396 0.09079 -0.0107 1.0000 0.0058
-15.750 -1.0291 0.08439 0.08110 -0.0159 1.0000 0.0056
-15.500 -1.0553 0.07559 0.07215 -0.0209 1.0000 0.0056
-15.250 -1.0754 0.06800 0.06442 -0.0254 1.0000 0.0057
-15.000 -1.0963 0.06047 0.05672 -0.0299 1.0000 0.0056
-14.750 -1.1109 0.05426 0.05036 -0.0337 1.0000 0.0056
-14.500 -1.1285 0.04809 0.04401 -0.0373 1.0000 0.0056
-14.250 -1.1362 0.04386 0.03963 -0.0394 1.0000 0.0057
-14.000 -1.1422 0.04029 0.03590 -0.0406 1.0000 0.0058
-13.750 -1.1483 0.03714 0.03260 -0.0410 1.0000 0.0058
-13.500 -1.1524 0.03455 0.02985 -0.0406 1.0000 0.0060
-13.250 -1.1551 0.03239 0.02755 -0.0394 1.0000 0.0060
-13.000 -1.1553 0.03063 0.02565 -0.0377 1.0000 0.0061
-12.750 -1.1578 0.02890 0.02379 -0.0352 1.0000 0.0062
-12.500 -1.1588 0.02740 0.02217 -0.0323 1.0000 0.0065
-12.250 -1.1544 0.02633 0.02102 -0.0295 1.0000 0.0068
-12.000 -1.1488 0.02534 0.01991 -0.0266 1.0000 0.0069
-11.750 -1.1372 0.02449 0.01898 -0.0246 1.0000 0.0073
-11.500 -1.1247 0.02362 0.01801 -0.0226 1.0000 0.0077
-11.250 -1.1113 0.02277 0.01706 -0.0207 1.0000 0.0080
-11.000 -1.0969 0.02196 0.01614 -0.0189 1.0000 0.0084
-10.750 -1.0804 0.02128 0.01536 -0.0173 1.0000 0.0089
-10.500 -1.0649 0.02050 0.01449 -0.0156 1.0000 0.0094
-10.250 -1.0496 0.01968 0.01360 -0.0138 1.0000 0.0101
-10.000 -1.0318 0.01906 0.01293 -0.0123 1.0000 0.0108
-9.750 -1.0134 0.01850 0.01229 -0.0108 1.0000 0.0116
-9.500 -0.9952 0.01791 0.01161 -0.0093 1.0000 0.0122
-9.250 -0.9763 0.01737 0.01098 -0.0078 1.0000 0.0128
-9.000 -0.9586 0.01670 0.01025 -0.0062 1.0000 0.0137
-8.750 -0.9400 0.01611 0.00961 -0.0046 1.0000 0.0146
-8.500 -0.9203 0.01563 0.00909 -0.0033 1.0000 0.0157
-8.250 -0.9000 0.01520 0.00861 -0.0019 1.0000 0.0170
-8.000 -0.8796 0.01479 0.00812 -0.0006 1.0000 0.0178
-7.750 -0.8604 0.01423 0.00754 0.0009 1.0000 0.0199
-7.500 -0.8401 0.01380 0.00709 0.0023 1.0000 0.0220
-7.250 -0.8192 0.01344 0.00667 0.0036 1.0000 0.0239
-7.000 -0.7990 0.01299 0.00623 0.0050 1.0000 0.0277
-6.750 -0.7781 0.01263 0.00584 0.0063 1.0000 0.0325
-6.500 -0.7575 0.01223 0.00548 0.0076 1.0000 0.0399
-6.250 -0.7366 0.01189 0.00516 0.0089 1.0000 0.0470
-6.000 -0.7144 0.01161 0.00487 0.0100 0.9999 0.0537
-5.750 -0.6814 0.01127 0.00457 0.0087 0.9975 0.0636
-5.500 -0.6479 0.01096 0.00428 0.0073 0.9949 0.0744
-5.250 -0.6153 0.01065 0.00402 0.0061 0.9921 0.0871
-5.000 -0.5830 0.01035 0.00377 0.0050 0.9885 0.1019
-4.750 -0.5498 0.00999 0.00352 0.0036 0.9852 0.1248
-4.500 -0.5153 0.00969 0.00329 0.0020 0.9823 0.1472
-4.250 -0.4862 0.00939 0.00308 0.0016 0.9764 0.1684
-4.000 -0.4530 0.00911 0.00288 0.0004 0.9719 0.1907
-3.750 -0.4218 0.00885 0.00270 -0.0004 0.9660 0.2118
-3.500 -0.3909 0.00858 0.00251 -0.0011 0.9586 0.2367
-3.250 -0.3600 0.00831 0.00234 -0.0018 0.9498 0.2644
-3.000 -0.3264 0.00804 0.00218 -0.0030 0.9407 0.2951
-2.750 -0.2931 0.00778 0.00201 -0.0042 0.9286 0.3257
-2.500 -0.2597 0.00753 0.00186 -0.0054 0.9139 0.3588
-2.250 -0.2287 0.00731 0.00172 -0.0060 0.8952 0.3918
-2.000 -0.2002 0.00715 0.00159 -0.0060 0.8733 0.4227
-1.750 -0.1738 0.00701 0.00150 -0.0055 0.8504 0.4551
-1.500 -0.1483 0.00691 0.00142 -0.0049 0.8263 0.4867
-1.250 -0.1232 0.00682 0.00136 -0.0042 0.8017 0.5180
-0.750 -0.0737 0.00670 0.00127 -0.0025 0.7517 0.5798
-0.500 -0.0490 0.00666 0.00124 -0.0017 0.7253 0.6099
-0.250 -0.0245 0.00663 0.00122 -0.0009 0.6984 0.6403
0.000 0.0000 0.00662 0.00122 0.0000 0.6699 0.6697
0.250 0.0245 0.00663 0.00122 0.0009 0.6401 0.6983
0.500 0.0490 0.00666 0.00124 0.0017 0.6094 0.7253
0.750 0.0736 0.00670 0.00127 0.0026 0.5794 0.7518
1.000 0.0983 0.00675 0.00131 0.0034 0.5493 0.7769
1.250 0.1232 0.00682 0.00136 0.0042 0.5186 0.8016
1.500 0.1483 0.00691 0.00142 0.0049 0.4871 0.8265
1.750 0.1738 0.00701 0.00150 0.0055 0.4555 0.8503
2.000 0.2003 0.00714 0.00159 0.0060 0.4235 0.8733
2.250 0.2287 0.00732 0.00172 0.0060 0.3910 0.8951
2.500 0.2598 0.00753 0.00186 0.0054 0.3587 0.9140
2.750 0.2933 0.00778 0.00201 0.0042 0.3258 0.9288
3.000 0.3265 0.00803 0.00218 0.0030 0.2958 0.9409
3.250 0.3600 0.00831 0.00234 0.0018 0.2646 0.9497
3.500 0.3906 0.00858 0.00251 0.0012 0.2369 0.9584
3.750 0.4219 0.00885 0.00270 0.0004 0.2119 0.9658
4.000 0.4531 0.00911 0.00288 -0.0004 0.1906 0.9719
4.250 0.4864 0.00938 0.00308 -0.0017 0.1688 0.9766
4.500 0.5153 0.00970 0.00330 -0.0020 0.1467 0.9826
4.750 0.5501 0.01000 0.00353 -0.0037 0.1241 0.9853
5.000 0.5832 0.01034 0.00377 -0.0050 0.1027 0.9885
5.250 0.6153 0.01065 0.00402 -0.0061 0.0875 0.9920
5.500 0.6477 0.01096 0.00428 -0.0072 0.0742 0.9949
5.750 0.6811 0.01127 0.00457 -0.0086 0.0638 0.9975
6.000 0.7142 0.01160 0.00487 -0.0099 0.0539 0.9998
6.250 0.7366 0.01189 0.00516 -0.0089 0.0470 1.0000
6.500 0.7576 0.01223 0.00548 -0.0076 0.0401 1.0000
6.750 0.7781 0.01262 0.00584 -0.0063 0.0326 1.0000
7.000 0.7990 0.01298 0.00623 -0.0050 0.0281 1.0000
7.250 0.8192 0.01344 0.00667 -0.0036 0.0239 1.0000
7.500 0.8401 0.01380 0.00709 -0.0023 0.0222 1.0000
7.750 0.8605 0.01422 0.00753 -0.0010 0.0201 1.0000
8.000 0.8799 0.01475 0.00808 0.0005 0.0181 1.0000
8.250 0.9001 0.01519 0.00860 0.0019 0.0170 1.0000
8.500 0.9204 0.01562 0.00908 0.0032 0.0158 1.0000
8.750 0.9401 0.01610 0.00961 0.0046 0.0148 1.0000
9.000 0.9588 0.01669 0.01023 0.0061 0.0137 1.0000
9.250 0.9763 0.01737 0.01099 0.0078 0.0128 1.0000
9.500 0.9954 0.01789 0.01159 0.0093 0.0123 1.0000
9.750 1.0139 0.01846 0.01224 0.0108 0.0116 1.0000
10.000 1.0319 0.01906 0.01293 0.0123 0.0109 1.0000
10.250 1.0500 0.01964 0.01357 0.0137 0.0101 1.0000
10.500 1.0653 0.02047 0.01446 0.0155 0.0095 1.0000
10.750 1.0807 0.02125 0.01533 0.0173 0.0089 1.0000
11.000 1.0964 0.02200 0.01619 0.0190 0.0085 1.0000
11.250 1.1123 0.02269 0.01698 0.0206 0.0079 1.0000
11.500 1.1257 0.02356 0.01794 0.0225 0.0076 1.0000
11.750 1.1387 0.02439 0.01887 0.0244 0.0072 1.0000
12.000 1.1488 0.02535 0.01992 0.0266 0.0069 1.0000
12.250 1.1555 0.02628 0.02097 0.0293 0.0067 1.0000
12.500 1.1591 0.02740 0.02218 0.0322 0.0065 1.0000
12.750 1.1608 0.02872 0.02361 0.0349 0.0063 1.0000
13.000 1.1569 0.03055 0.02557 0.0376 0.0062 1.0000
13.250 1.1568 0.03229 0.02745 0.0393 0.0060 1.0000
13.500 1.1544 0.03442 0.02973 0.0405 0.0059 1.0000
13.750 1.1519 0.03685 0.03230 0.0409 0.0058 1.0000
14.000 1.1453 0.04001 0.03562 0.0406 0.0058 1.0000
14.250 1.1397 0.04352 0.03928 0.0394 0.0057 1.0000
14.500 1.1265 0.04850 0.04442 0.0370 0.0057 1.0000
14.750 1.1123 0.05420 0.05030 0.0336 0.0057 1.0000
15.000 1.0972 0.06049 0.05676 0.0297 0.0056 1.0000
15.250 1.0799 0.06745 0.06386 0.0255 0.0056 1.0000
15.500 1.0561 0.07568 0.07224 0.0207 0.0056 1.0000
15.750 1.0289 0.08463 0.08133 0.0156 0.0057 1.0000
16.000 1.0015 0.09379 0.09062 0.0106 0.0058 1.0000
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