EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Reynolds number: 1,000,000 Max Cl/Cd: 65.69 at α=4.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e837-il-1000000-n5.txt Download as CSV file: xf-e837-il-1000000-n5.csv |
XFOIL Version 6.96
Calculated polar for: EPPLER E837 HYDROFOIL AIRFOIL
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 1.000 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.250 -1.0910 0.10454 0.10133 -0.0142 1.0000 0.0027
-19.000 -1.1082 0.09759 0.09425 -0.0178 1.0000 0.0027
-18.750 -1.1247 0.09095 0.08747 -0.0210 1.0000 0.0026
-18.500 -1.1351 0.08550 0.08191 -0.0236 1.0000 0.0027
-18.250 -1.1406 0.08101 0.07732 -0.0256 1.0000 0.0027
-18.000 -1.1523 0.07571 0.07189 -0.0278 1.0000 0.0027
-17.750 -1.1575 0.07150 0.06759 -0.0295 1.0000 0.0027
-17.500 -1.1611 0.06766 0.06366 -0.0309 1.0000 0.0027
-17.250 -1.1653 0.06385 0.05974 -0.0321 1.0000 0.0028
-17.000 -1.1686 0.06027 0.05606 -0.0332 1.0000 0.0028
-16.750 -1.1688 0.05718 0.05290 -0.0340 1.0000 0.0029
-16.500 -1.1693 0.05415 0.04978 -0.0346 1.0000 0.0028
-16.250 -1.1683 0.05138 0.04693 -0.0351 1.0000 0.0030
-16.000 -1.1665 0.04879 0.04425 -0.0355 1.0000 0.0030
-15.750 -1.1658 0.04614 0.04152 -0.0357 1.0000 0.0030
-15.500 -1.1642 0.04372 0.03901 -0.0357 1.0000 0.0030
-15.250 -1.1611 0.04149 0.03671 -0.0356 1.0000 0.0032
-15.000 -1.1563 0.03950 0.03465 -0.0355 1.0000 0.0032
-14.750 -1.1525 0.03750 0.03257 -0.0351 1.0000 0.0032
-14.500 -1.1463 0.03578 0.03078 -0.0347 1.0000 0.0033
-14.250 -1.1402 0.03408 0.02902 -0.0342 1.0000 0.0034
-14.000 -1.1331 0.03251 0.02737 -0.0337 1.0000 0.0035
-13.750 -1.1251 0.03106 0.02586 -0.0331 1.0000 0.0036
-13.500 -1.1165 0.02967 0.02441 -0.0324 1.0000 0.0036
-13.250 -1.1054 0.02851 0.02320 -0.0318 1.0000 0.0037
-13.000 -1.0956 0.02728 0.02192 -0.0311 1.0000 0.0037
-12.750 -1.0912 0.02566 0.02023 -0.0299 1.0000 0.0040
-12.500 -1.0828 0.02439 0.01890 -0.0288 1.0000 0.0043
-12.250 -1.0722 0.02330 0.01778 -0.0278 1.0000 0.0044
-12.000 -1.0486 0.02221 0.01663 -0.0295 0.9538 0.0046
-11.750 -1.0209 0.02132 0.01550 -0.0316 0.8809 0.0049
-11.500 -1.0117 0.02058 0.01458 -0.0297 0.8493 0.0050
-11.250 -1.0010 0.01984 0.01372 -0.0281 0.8291 0.0054
-11.000 -0.9896 0.01911 0.01290 -0.0266 0.8137 0.0055
-10.750 -0.9771 0.01846 0.01216 -0.0251 0.8009 0.0058
-10.500 -0.9644 0.01783 0.01145 -0.0235 0.7904 0.0060
-10.250 -0.9532 0.01716 0.01071 -0.0217 0.7806 0.0068
-10.000 -0.9405 0.01658 0.01009 -0.0199 0.7719 0.0075
-9.750 -0.9268 0.01608 0.00953 -0.0181 0.7639 0.0082
-9.500 -0.9123 0.01563 0.00901 -0.0164 0.7564 0.0088
-9.000 -0.8851 0.01476 0.00808 -0.0123 0.7434 0.0116
-8.750 -0.8695 0.01447 0.00772 -0.0105 0.7371 0.0124
-8.500 -0.8520 0.01410 0.00732 -0.0090 0.7319 0.0141
-8.250 -0.8327 0.01374 0.00695 -0.0079 0.7266 0.0160
-8.000 -0.8120 0.01344 0.00660 -0.0069 0.7214 0.0175
-7.750 -0.7916 0.01308 0.00623 -0.0059 0.7168 0.0207
-7.500 -0.7704 0.01274 0.00589 -0.0051 0.7120 0.0251
-7.250 -0.7496 0.01237 0.00553 -0.0042 0.7075 0.0332
-7.000 -0.7286 0.01197 0.00518 -0.0033 0.7034 0.0452
-6.750 -0.7072 0.01157 0.00484 -0.0025 0.6990 0.0603
-6.500 -0.6862 0.01113 0.00448 -0.0016 0.6947 0.0814
-6.000 -0.6418 0.01033 0.00387 -0.0002 0.6870 0.1292
-5.750 -0.6193 0.00992 0.00357 0.0004 0.6829 0.1580
-5.500 -0.5970 0.00948 0.00327 0.0010 0.6789 0.1929
-5.250 -0.5748 0.00902 0.00297 0.0017 0.6754 0.2345
-5.000 -0.5516 0.00859 0.00270 0.0022 0.6717 0.2744
-4.750 -0.5275 0.00823 0.00247 0.0026 0.6677 0.3112
-4.500 -0.5049 0.00775 0.00220 0.0032 0.6641 0.3650
-4.250 -0.4814 0.00734 0.00198 0.0037 0.6607 0.4179
-4.000 -0.4551 0.00711 0.00184 0.0038 0.6571 0.4476
-3.750 -0.4278 0.00697 0.00174 0.0037 0.6533 0.4667
-3.500 -0.4003 0.00686 0.00165 0.0036 0.6497 0.4840
-3.250 -0.3725 0.00677 0.00157 0.0035 0.6462 0.4989
-3.000 -0.3444 0.00668 0.00151 0.0033 0.6428 0.5117
-2.750 -0.3161 0.00662 0.00145 0.0031 0.6389 0.5223
-2.500 -0.2875 0.00658 0.00140 0.0028 0.6353 0.5312
-2.250 -0.2592 0.00654 0.00135 0.0026 0.6318 0.5397
-2.000 -0.2305 0.00650 0.00132 0.0024 0.6282 0.5479
-1.750 -0.2018 0.00646 0.00129 0.0021 0.6243 0.5564
-1.500 -0.1731 0.00644 0.00125 0.0018 0.6205 0.5630
-1.250 -0.1444 0.00642 0.00123 0.0015 0.6168 0.5695
-1.000 -0.1154 0.00641 0.00121 0.0012 0.6130 0.5752
-0.750 -0.0867 0.00638 0.00120 0.0009 0.6089 0.5811
-0.500 -0.0578 0.00639 0.00119 0.0006 0.6048 0.5868
-0.250 -0.0290 0.00638 0.00118 0.0003 0.6010 0.5917
0.000 0.0000 0.00636 0.00118 0.0000 0.5965 0.5965
0.250 0.0290 0.00638 0.00118 -0.0003 0.5916 0.6010
0.500 0.0578 0.00639 0.00119 -0.0006 0.5868 0.6048
0.750 0.0867 0.00638 0.00120 -0.0009 0.5811 0.6089
1.000 0.1154 0.00641 0.00121 -0.0012 0.5752 0.6130
1.250 0.1444 0.00642 0.00123 -0.0015 0.5696 0.6168
1.500 0.1731 0.00644 0.00125 -0.0018 0.5630 0.6205
1.750 0.2018 0.00646 0.00129 -0.0021 0.5564 0.6243
2.000 0.2305 0.00650 0.00132 -0.0024 0.5478 0.6282
2.250 0.2592 0.00654 0.00135 -0.0026 0.5396 0.6317
2.500 0.2875 0.00658 0.00140 -0.0028 0.5311 0.6352
2.750 0.3161 0.00662 0.00145 -0.0031 0.5222 0.6389
3.000 0.3444 0.00668 0.00151 -0.0033 0.5119 0.6427
3.250 0.3725 0.00677 0.00157 -0.0035 0.4988 0.6463
3.500 0.4002 0.00686 0.00165 -0.0036 0.4837 0.6496
3.750 0.4278 0.00697 0.00174 -0.0037 0.4670 0.6532
4.000 0.4551 0.00711 0.00184 -0.0038 0.4477 0.6571
4.250 0.4815 0.00733 0.00197 -0.0037 0.4191 0.6607
4.500 0.5050 0.00774 0.00220 -0.0032 0.3659 0.6641
5.000 0.5517 0.00859 0.00270 -0.0022 0.2751 0.6718
5.250 0.5747 0.00903 0.00297 -0.0017 0.2331 0.6754
5.500 0.5971 0.00947 0.00327 -0.0011 0.1938 0.6789
5.750 0.6195 0.00991 0.00357 -0.0004 0.1586 0.6828
6.000 0.6417 0.01034 0.00387 0.0002 0.1285 0.6870
6.500 0.6864 0.01112 0.00448 0.0016 0.0820 0.6947
6.750 0.7075 0.01155 0.00484 0.0024 0.0614 0.6990
7.000 0.7285 0.01198 0.00519 0.0033 0.0445 0.7034
7.250 0.7494 0.01238 0.00554 0.0042 0.0325 0.7075
7.500 0.7703 0.01276 0.00590 0.0051 0.0245 0.7120
7.750 0.7918 0.01308 0.00623 0.0059 0.0207 0.7169
8.000 0.8122 0.01344 0.00660 0.0069 0.0176 0.7215
8.250 0.8328 0.01375 0.00695 0.0078 0.0158 0.7266
8.500 0.8523 0.01410 0.00732 0.0090 0.0142 0.7319
8.750 0.8698 0.01447 0.00772 0.0104 0.0125 0.7371
9.000 0.8856 0.01476 0.00807 0.0122 0.0115 0.7434
9.250 0.8998 0.01517 0.00850 0.0142 0.0101 0.7496
9.500 0.9130 0.01562 0.00901 0.0163 0.0089 0.7564
9.750 0.9275 0.01607 0.00952 0.0180 0.0083 0.7638
10.000 0.9410 0.01658 0.01008 0.0198 0.0075 0.7719
10.250 0.9537 0.01715 0.01070 0.0216 0.0067 0.7807
10.500 0.9666 0.01774 0.01136 0.0232 0.0065 0.7904
10.750 0.9774 0.01847 0.01217 0.0250 0.0057 0.8013
11.000 0.9900 0.01912 0.01290 0.0265 0.0055 0.8137
11.250 1.0016 0.01983 0.01372 0.0281 0.0053 0.8293
11.500 1.0124 0.02057 0.01457 0.0297 0.0051 0.8495
11.750 1.0217 0.02131 0.01548 0.0315 0.0049 0.8800
12.000 1.0494 0.02221 0.01662 0.0293 0.0046 0.9536
12.250 1.0729 0.02332 0.01779 0.0277 0.0042 1.0000
12.500 1.0827 0.02446 0.01898 0.0287 0.0041 1.0000
12.750 1.0923 0.02565 0.02021 0.0297 0.0040 1.0000
13.000 1.0970 0.02726 0.02191 0.0309 0.0037 1.0000
13.250 1.1070 0.02848 0.02317 0.0316 0.0037 1.0000
13.500 1.1150 0.02989 0.02464 0.0324 0.0036 1.0000
13.750 1.1248 0.03118 0.02599 0.0330 0.0036 1.0000
14.000 1.1333 0.03261 0.02748 0.0335 0.0035 1.0000
14.250 1.1414 0.03410 0.02904 0.0340 0.0034 1.0000
14.500 1.1482 0.03574 0.03074 0.0345 0.0033 1.0000
14.750 1.1515 0.03772 0.03281 0.0350 0.0033 1.0000
15.000 1.1586 0.03943 0.03457 0.0352 0.0032 1.0000
15.250 1.1627 0.04148 0.03670 0.0354 0.0031 1.0000
15.500 1.1662 0.04368 0.03897 0.0355 0.0031 1.0000
15.750 1.1668 0.04622 0.04160 0.0354 0.0030 1.0000
16.000 1.1705 0.04854 0.04399 0.0352 0.0030 1.0000
16.250 1.1711 0.05127 0.04682 0.0348 0.0030 1.0000
16.500 1.1721 0.05405 0.04967 0.0343 0.0029 1.0000
16.750 1.1681 0.05749 0.05321 0.0336 0.0028 1.0000
17.000 1.1692 0.06043 0.05624 0.0328 0.0029 1.0000
17.250 1.1697 0.06353 0.05942 0.0319 0.0028 1.0000
17.500 1.1632 0.06763 0.06364 0.0305 0.0028 1.0000
17.750 1.1575 0.07179 0.06789 0.0290 0.0027 1.0000
18.000 1.1513 0.07616 0.07237 0.0273 0.0027 1.0000
18.250 1.1424 0.08105 0.07737 0.0252 0.0027 1.0000
18.500 1.1330 0.08618 0.08261 0.0229 0.0027 1.0000
18.750 1.1263 0.09102 0.08754 0.0207 0.0026 1.0000
19.000 1.1117 0.09737 0.09402 0.0175 0.0026 1.0000
19.250 1.1009 0.10319 0.09994 0.0146 0.0026 1.0000
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