EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Reynolds number: 500,000 Max Cl/Cd: 64.98 at α=5.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e838-il-500000-n5.txt Download as CSV file: xf-e838-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: EPPLER E838 HYDROFOIL AIRFOIL
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 -0.9412 0.12517 0.12177 -0.0144 1.0000 0.0045
-19.500 -0.9498 0.11931 0.11579 -0.0177 1.0000 0.0046
-19.250 -0.9620 0.11299 0.10932 -0.0210 1.0000 0.0046
-19.000 -0.9706 0.10743 0.10364 -0.0238 1.0000 0.0047
-18.750 -0.9785 0.10213 0.09822 -0.0264 1.0000 0.0047
-18.500 -0.9853 0.09716 0.09312 -0.0287 1.0000 0.0047
-18.250 -0.9916 0.09245 0.08829 -0.0308 1.0000 0.0047
-18.000 -0.9982 0.08778 0.08349 -0.0327 1.0000 0.0049
-17.750 -1.0009 0.08381 0.07941 -0.0342 1.0000 0.0049
-17.500 -1.0047 0.07979 0.07527 -0.0357 1.0000 0.0050
-17.250 -1.0073 0.07604 0.07141 -0.0369 1.0000 0.0050
-17.000 -1.0090 0.07253 0.06778 -0.0379 1.0000 0.0052
-16.750 -1.0101 0.06920 0.06434 -0.0387 1.0000 0.0052
-16.500 -1.0089 0.06621 0.06124 -0.0395 1.0000 0.0053
-16.250 -1.0089 0.06317 0.05809 -0.0400 1.0000 0.0053
-16.000 -1.0057 0.06057 0.05539 -0.0404 1.0000 0.0054
-15.750 -1.0059 0.05767 0.05240 -0.0407 1.0000 0.0054
-15.500 -1.0023 0.05523 0.04987 -0.0410 1.0000 0.0055
-15.250 -1.0028 0.05245 0.04701 -0.0410 1.0000 0.0058
-15.000 -1.0002 0.05006 0.04456 -0.0410 1.0000 0.0060
-14.750 -0.9945 0.04803 0.04245 -0.0410 1.0000 0.0061
-14.500 -0.9877 0.04614 0.04052 -0.0409 1.0000 0.0064
-14.250 -0.9822 0.04419 0.03849 -0.0406 1.0000 0.0064
-14.000 -0.9749 0.04245 0.03669 -0.0403 1.0000 0.0067
-13.750 -0.9663 0.04086 0.03504 -0.0400 1.0000 0.0069
-13.500 -0.9453 0.03885 0.03291 -0.0430 0.9321 0.0071
-13.250 -0.9190 0.03713 0.03094 -0.0464 0.8783 0.0076
-13.000 -0.9115 0.03584 0.02945 -0.0454 0.8498 0.0080
-12.750 -0.9040 0.03454 0.02802 -0.0444 0.8324 0.0083
-12.500 -0.8964 0.03323 0.02661 -0.0435 0.8192 0.0088
-12.000 -0.8770 0.03097 0.02418 -0.0417 0.7983 0.0099
-11.750 -0.8665 0.02991 0.02302 -0.0408 0.7898 0.0108
-11.500 -0.8556 0.02888 0.02188 -0.0399 0.7818 0.0114
-11.250 -0.8468 0.02772 0.02066 -0.0388 0.7753 0.0125
-11.000 -0.8359 0.02672 0.01961 -0.0378 0.7689 0.0136
-10.500 -0.8121 0.02488 0.01761 -0.0358 0.7573 0.0154
-10.250 -0.8015 0.02391 0.01658 -0.0346 0.7519 0.0167
-10.000 -0.7903 0.02300 0.01563 -0.0334 0.7471 0.0184
-9.750 -0.7775 0.02218 0.01476 -0.0324 0.7425 0.0202
-9.500 -0.7658 0.02132 0.01385 -0.0311 0.7379 0.0224
-9.250 -0.7541 0.02050 0.01299 -0.0298 0.7336 0.0253
-9.000 -0.7420 0.01969 0.01216 -0.0285 0.7295 0.0292
-8.750 -0.7305 0.01889 0.01136 -0.0271 0.7253 0.0347
-8.500 -0.7206 0.01806 0.01053 -0.0254 0.7214 0.0439
-8.250 -0.7109 0.01726 0.00974 -0.0236 0.7180 0.0550
-7.750 -0.6943 0.01564 0.00823 -0.0193 0.7107 0.0863
-7.500 -0.6869 0.01491 0.00756 -0.0168 0.7070 0.1058
-7.250 -0.6827 0.01417 0.00690 -0.0135 0.7037 0.1322
-7.000 -0.6781 0.01358 0.00642 -0.0099 0.7006 0.1588
-6.750 -0.6720 0.01292 0.00592 -0.0067 0.6974 0.1957
-6.500 -0.6621 0.01225 0.00542 -0.0041 0.6942 0.2373
-6.250 -0.6521 0.01152 0.00488 -0.0015 0.6911 0.2880
-5.750 -0.6336 0.00983 0.00385 0.0040 0.6855 0.4360
-5.500 -0.6140 0.00945 0.00364 0.0051 0.6826 0.4831
-5.250 -0.5899 0.00928 0.00351 0.0056 0.6798 0.5066
-5.000 -0.5642 0.00917 0.00339 0.0058 0.6770 0.5235
-4.750 -0.5382 0.00911 0.00330 0.0059 0.6744 0.5405
-4.500 -0.5116 0.00906 0.00324 0.0060 0.6719 0.5537
-4.250 -0.4844 0.00902 0.00319 0.0059 0.6692 0.5636
-4.000 -0.4567 0.00900 0.00311 0.0057 0.6664 0.5721
-3.750 -0.4289 0.00897 0.00307 0.0055 0.6637 0.5782
-3.500 -0.4008 0.00895 0.00297 0.0052 0.6611 0.5836
-3.250 -0.3726 0.00893 0.00290 0.0050 0.6587 0.5873
-3.000 -0.3441 0.00889 0.00284 0.0046 0.6562 0.5905
-2.750 -0.3155 0.00886 0.00279 0.0042 0.6535 0.5938
-2.500 -0.2869 0.00883 0.00272 0.0039 0.6507 0.5972
-2.250 -0.2583 0.00882 0.00264 0.0035 0.6480 0.6001
-2.000 -0.2298 0.00879 0.00259 0.0032 0.6455 0.6027
-1.750 -0.2012 0.00878 0.00256 0.0028 0.6433 0.6055
-1.500 -0.1724 0.00876 0.00253 0.0024 0.6407 0.6085
-1.250 -0.1436 0.00875 0.00250 0.0020 0.6378 0.6114
-1.000 -0.1149 0.00874 0.00245 0.0016 0.6350 0.6143
-0.750 -0.0862 0.00872 0.00244 0.0012 0.6324 0.6168
-0.500 -0.0576 0.00872 0.00243 0.0008 0.6302 0.6193
-0.250 -0.0288 0.00872 0.00242 0.0004 0.6277 0.6219
0.000 0.0000 0.00872 0.00243 0.0000 0.6248 0.6248
0.250 0.0288 0.00872 0.00242 -0.0004 0.6218 0.6278
0.500 0.0576 0.00872 0.00243 -0.0008 0.6192 0.6302
0.750 0.0862 0.00872 0.00244 -0.0012 0.6167 0.6325
1.000 0.1149 0.00874 0.00245 -0.0016 0.6142 0.6350
1.250 0.1436 0.00874 0.00250 -0.0020 0.6113 0.6379
1.500 0.1724 0.00876 0.00253 -0.0024 0.6084 0.6408
1.750 0.2012 0.00878 0.00256 -0.0028 0.6054 0.6434
2.000 0.2298 0.00879 0.00259 -0.0032 0.6026 0.6456
2.250 0.2583 0.00882 0.00264 -0.0035 0.6001 0.6480
2.500 0.2869 0.00883 0.00272 -0.0039 0.5971 0.6507
2.750 0.3155 0.00886 0.00279 -0.0042 0.5938 0.6536
3.000 0.3441 0.00889 0.00284 -0.0046 0.5905 0.6563
3.250 0.3726 0.00893 0.00290 -0.0050 0.5873 0.6587
3.500 0.4008 0.00895 0.00298 -0.0052 0.5836 0.6611
3.750 0.4289 0.00897 0.00307 -0.0055 0.5782 0.6637
4.000 0.4567 0.00900 0.00311 -0.0057 0.5721 0.6665
4.250 0.4844 0.00902 0.00319 -0.0059 0.5636 0.6692
4.500 0.5117 0.00906 0.00324 -0.0060 0.5539 0.6719
4.750 0.5382 0.00911 0.00330 -0.0059 0.5406 0.6744
5.000 0.5642 0.00917 0.00339 -0.0058 0.5235 0.6771
5.250 0.5899 0.00928 0.00351 -0.0056 0.5063 0.6799
5.500 0.6141 0.00945 0.00364 -0.0052 0.4837 0.6827
5.750 0.6333 0.00984 0.00385 -0.0039 0.4340 0.6855
6.000 0.6435 0.01067 0.00431 -0.0013 0.3549 0.6884
6.250 0.6520 0.01153 0.00488 0.0015 0.2873 0.6912
6.500 0.6620 0.01226 0.00542 0.0041 0.2368 0.6942
6.750 0.6716 0.01294 0.00593 0.0067 0.1946 0.6975
7.000 0.6786 0.01357 0.00641 0.0098 0.1597 0.7007
7.250 0.6820 0.01419 0.00692 0.0136 0.1305 0.7038
7.500 0.6864 0.01494 0.00758 0.0168 0.1042 0.7070
7.750 0.6935 0.01568 0.00826 0.0194 0.0845 0.7107
8.250 0.7115 0.01724 0.00973 0.0236 0.0556 0.7181
8.500 0.7203 0.01808 0.01054 0.0255 0.0427 0.7214
8.750 0.7309 0.01889 0.01135 0.0271 0.0348 0.7253
9.000 0.7424 0.01968 0.01215 0.0285 0.0292 0.7297
9.250 0.7545 0.02049 0.01298 0.0298 0.0253 0.7338
9.500 0.7663 0.02131 0.01384 0.0311 0.0225 0.7380
9.750 0.7780 0.02216 0.01474 0.0323 0.0201 0.7425
10.000 0.7910 0.02297 0.01561 0.0334 0.0189 0.7471
10.250 0.8021 0.02389 0.01657 0.0345 0.0169 0.7519
10.500 0.8125 0.02488 0.01761 0.0357 0.0155 0.7575
11.000 0.8367 0.02668 0.01957 0.0377 0.0135 0.7690
11.250 0.8475 0.02770 0.02065 0.0387 0.0127 0.7754
11.500 0.8553 0.02892 0.02193 0.0399 0.0115 0.7819
11.750 0.8665 0.02994 0.02305 0.0408 0.0111 0.7899
12.000 0.8776 0.03095 0.02416 0.0416 0.0103 0.7985
12.500 0.8968 0.03324 0.02662 0.0434 0.0090 0.8194
12.750 0.9048 0.03451 0.02800 0.0444 0.0085 0.8325
13.000 0.9105 0.03596 0.02958 0.0455 0.0080 0.8500
13.250 0.9198 0.03710 0.03090 0.0463 0.0078 0.8791
13.500 0.9463 0.03887 0.03293 0.0428 0.0074 0.9327
13.750 0.9681 0.04077 0.03495 0.0399 0.0071 1.0000
14.000 0.9745 0.04255 0.03681 0.0403 0.0068 1.0000
14.250 0.9829 0.04420 0.03851 0.0405 0.0065 1.0000
14.500 0.9900 0.04600 0.04036 0.0407 0.0062 1.0000
14.750 0.9960 0.04796 0.04239 0.0408 0.0062 1.0000
15.000 1.0009 0.05007 0.04456 0.0409 0.0060 1.0000
15.250 1.0047 0.05235 0.04692 0.0409 0.0059 1.0000
15.500 1.0074 0.05479 0.04943 0.0408 0.0057 1.0000
15.750 1.0056 0.05780 0.05253 0.0406 0.0054 1.0000
16.000 1.0075 0.06047 0.05529 0.0403 0.0055 1.0000
16.250 1.0101 0.06314 0.05806 0.0398 0.0054 1.0000
16.500 1.0104 0.06613 0.06115 0.0393 0.0053 1.0000
16.750 1.0107 0.06925 0.06438 0.0386 0.0052 1.0000
17.000 1.0120 0.07230 0.06754 0.0377 0.0051 1.0000
17.250 1.0105 0.07578 0.07113 0.0367 0.0051 1.0000
17.500 1.0079 0.07951 0.07498 0.0355 0.0049 1.0000
17.750 1.0042 0.08350 0.07909 0.0341 0.0049 1.0000
18.000 1.0004 0.08763 0.08334 0.0325 0.0048 1.0000
18.250 0.9971 0.09180 0.08762 0.0307 0.0047 1.0000
18.500 0.9890 0.09677 0.09272 0.0286 0.0048 1.0000
18.750 0.9807 0.10200 0.09808 0.0262 0.0047 1.0000
19.000 0.9768 0.10665 0.10283 0.0239 0.0046 1.0000
19.250 0.9632 0.11303 0.10937 0.0207 0.0046 1.0000
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