EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=100,000 Ncrit=9
| Details | Polar file |
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Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Reynolds number: 100,000 Max Cl/Cd: 31.5 at α=8.75° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-e838-il-100000.txt Download as CSV file: xf-e838-il-100000.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 = 0.100 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-15.750 -0.6470 0.13115 0.12638 -0.0281 1.0000 0.0586
-15.500 -0.6528 0.12399 0.11919 -0.0314 1.0000 0.0569
-15.250 -0.6658 0.11614 0.11134 -0.0350 1.0000 0.0554
-15.000 -0.6979 0.10559 0.10072 -0.0408 1.0000 0.0530
-14.750 -0.7498 0.09411 0.08901 -0.0471 1.0000 0.0506
-14.500 -0.8177 0.08422 0.07872 -0.0516 1.0000 0.0486
-14.250 -0.8575 0.07918 0.07334 -0.0527 1.0000 0.0475
-14.000 -0.8791 0.07581 0.06972 -0.0525 1.0000 0.0471
-13.750 -0.8891 0.07211 0.06581 -0.0522 1.0000 0.0467
-13.500 -0.9020 0.06783 0.06131 -0.0516 1.0000 0.0465
-13.250 -0.9130 0.06404 0.05729 -0.0506 1.0000 0.0464
-13.000 -0.9226 0.06070 0.05370 -0.0494 1.0000 0.0464
-12.750 -0.9322 0.05784 0.05057 -0.0477 1.0000 0.0466
-12.500 -0.9409 0.05506 0.04752 -0.0457 1.0000 0.0470
-12.250 -0.9195 0.05051 0.04285 -0.0463 1.0000 0.0491
-12.000 -0.9046 0.04787 0.04005 -0.0458 1.0000 0.0505
-11.750 -0.8834 0.04531 0.03728 -0.0455 1.0000 0.0523
-11.500 -0.8569 0.04297 0.03470 -0.0454 1.0000 0.0547
-11.250 -0.8389 0.04126 0.03271 -0.0447 1.0000 0.0575
-11.000 -0.7901 0.03932 0.03095 -0.0458 1.0000 0.0646
-10.750 -0.7560 0.03811 0.02967 -0.0455 1.0000 0.0716
-10.500 -0.7343 0.03699 0.02868 -0.0449 1.0000 0.0806
-10.250 -0.7158 0.03585 0.02774 -0.0437 1.0000 0.0925
-10.000 -0.7073 0.03450 0.02656 -0.0422 1.0000 0.1096
-9.750 -0.7111 0.03296 0.02538 -0.0397 1.0000 0.1285
-9.500 -0.7340 0.03267 0.02519 -0.0340 1.0000 0.1374
-9.250 -0.7583 0.03198 0.02465 -0.0287 0.9970 0.1492
-9.000 -0.7671 0.02812 0.02160 -0.0296 0.9839 0.2289
-8.750 -0.7830 0.02490 0.01939 -0.0284 0.9707 0.3579
-8.500 -0.7664 0.02548 0.02057 -0.0266 0.9606 0.4826
-8.250 -0.7342 0.02699 0.02190 -0.0266 0.9534 0.5278
-8.000 -0.6128 0.03549 0.03005 -0.0306 0.9568 0.5526
-7.750 -0.5412 0.03948 0.03372 -0.0327 0.9544 0.5648
-7.500 -0.4423 0.04439 0.03828 -0.0363 0.9545 0.5697
-7.250 -0.3980 0.04528 0.03898 -0.0380 0.9480 0.5821
-7.000 -0.3585 0.04531 0.03882 -0.0404 0.9424 0.5950
-6.750 -0.3346 0.04508 0.03843 -0.0410 0.9344 0.6078
-6.500 -0.2717 0.04590 0.03905 -0.0444 0.9306 0.6128
-6.250 -0.2495 0.04534 0.03836 -0.0451 0.9239 0.6248
-6.000 -0.2078 0.04552 0.03840 -0.0467 0.9175 0.6324
-5.750 -0.1799 0.04507 0.03783 -0.0476 0.9116 0.6421
-5.500 -0.1778 0.04452 0.03721 -0.0457 0.9034 0.6536
-5.250 -0.1275 0.04452 0.03708 -0.0484 0.8990 0.6592
-5.000 -0.1239 0.04397 0.03647 -0.0465 0.8919 0.6695
-4.750 -0.0836 0.04386 0.03627 -0.0482 0.8866 0.6756
-4.500 -0.0776 0.04330 0.03563 -0.0464 0.8810 0.6850
-4.250 -0.0428 0.04316 0.03543 -0.0477 0.8755 0.6908
-4.000 -0.0469 0.04264 0.03488 -0.0447 0.8689 0.6995
-3.750 -0.0036 0.04240 0.03455 -0.0469 0.8653 0.7050
-3.500 -0.0058 0.04211 0.03425 -0.0443 0.8584 0.7120
-3.250 0.0238 0.04174 0.03384 -0.0451 0.8541 0.7176
-3.000 0.0463 0.04144 0.03349 -0.0450 0.8498 0.7232
-2.750 0.0258 0.04120 0.03326 -0.0400 0.8420 0.7295
-2.500 0.0727 0.04093 0.03295 -0.0430 0.8389 0.7338
-2.250 0.0908 0.04062 0.03261 -0.0424 0.8349 0.7387
-2.000 0.0547 0.04062 0.03263 -0.0350 0.8264 0.7445
-1.750 0.1038 0.04034 0.03233 -0.0385 0.8235 0.7479
-1.500 0.1292 0.04002 0.03198 -0.0388 0.8205 0.7519
-1.250 0.1072 0.04041 0.03241 -0.0331 0.8123 0.7568
-1.000 0.1040 0.04011 0.03210 -0.0294 0.8074 0.7612
-0.750 0.1392 0.04001 0.03200 -0.0311 0.8045 0.7645
-0.500 0.1112 0.04071 0.03275 -0.0241 0.7962 0.7695
-0.250 0.0604 0.04028 0.03228 -0.0126 0.7907 0.7760
0.000 -0.0019 0.04135 0.03341 0.0003 0.7815 0.7815
0.250 -0.0616 0.04027 0.03228 0.0128 0.7760 0.7907
0.500 -0.1111 0.04071 0.03275 0.0240 0.7696 0.7962
0.750 -0.1403 0.04000 0.03199 0.0313 0.7646 0.8046
1.000 -0.1057 0.04010 0.03209 0.0296 0.7613 0.8075
1.250 -0.1068 0.04040 0.03240 0.0330 0.7569 0.8123
1.500 -0.1292 0.04002 0.03198 0.0388 0.7520 0.8205
1.750 -0.1051 0.04034 0.03233 0.0387 0.7481 0.8236
2.000 -0.0564 0.04062 0.03263 0.0352 0.7445 0.8265
2.250 -0.0907 0.04061 0.03260 0.0423 0.7388 0.8350
2.500 -0.0728 0.04092 0.03294 0.0430 0.7339 0.8389
2.750 -0.0271 0.04120 0.03326 0.0401 0.7296 0.8421
3.000 -0.0461 0.04143 0.03348 0.0450 0.7232 0.8498
3.250 -0.0240 0.04174 0.03383 0.0451 0.7177 0.8541
3.500 0.0067 0.04210 0.03425 0.0442 0.7121 0.8585
3.750 0.0041 0.04237 0.03452 0.0468 0.7049 0.8654
4.000 0.0475 0.04262 0.03486 0.0447 0.6995 0.8690
4.250 0.0429 0.04314 0.03542 0.0477 0.6909 0.8758
4.500 0.0771 0.04330 0.03563 0.0464 0.6851 0.8812
4.750 0.0838 0.04384 0.03625 0.0482 0.6757 0.8866
5.000 0.1239 0.04396 0.03645 0.0465 0.6695 0.8920
5.250 0.1281 0.04449 0.03706 0.0484 0.6591 0.8991
5.500 0.1778 0.04450 0.03720 0.0457 0.6537 0.9035
5.750 0.1803 0.04506 0.03782 0.0476 0.6421 0.9118
6.000 0.2085 0.04547 0.03835 0.0467 0.6322 0.9176
6.250 0.2488 0.04536 0.03838 0.0451 0.6249 0.9242
6.500 0.2721 0.04589 0.03905 0.0444 0.6129 0.9308
6.750 0.3336 0.04514 0.03848 0.0410 0.6077 0.9348
7.000 0.3594 0.04530 0.03881 0.0403 0.5950 0.9425
7.250 0.3990 0.04522 0.03892 0.0379 0.5821 0.9480
7.500 0.4436 0.04430 0.03820 0.0362 0.5696 0.9546
7.750 0.5410 0.03951 0.03374 0.0326 0.5648 0.9546
8.000 0.6130 0.03551 0.03007 0.0305 0.5526 0.9568
8.250 0.7345 0.02697 0.02188 0.0266 0.5276 0.9535
8.500 0.7669 0.02546 0.02054 0.0265 0.4818 0.9607
8.750 0.7838 0.02488 0.01939 0.0283 0.3582 0.9707
9.000 0.7672 0.02816 0.02162 0.0295 0.2275 0.9840
9.250 0.7585 0.03202 0.02468 0.0287 0.1476 0.9972
9.500 0.7343 0.03260 0.02512 0.0340 0.1378 1.0000
9.750 0.7116 0.03293 0.02534 0.0396 0.1288 1.0000
10.000 0.7076 0.03451 0.02655 0.0422 0.1089 1.0000
10.250 0.7168 0.03582 0.02771 0.0437 0.0924 1.0000
10.500 0.7355 0.03696 0.02863 0.0448 0.0807 1.0000
10.750 0.7574 0.03808 0.02964 0.0455 0.0716 1.0000
11.000 0.7911 0.03931 0.03094 0.0457 0.0645 1.0000
11.250 0.8410 0.04129 0.03273 0.0445 0.0575 1.0000
11.500 0.8564 0.04297 0.03471 0.0454 0.0544 1.0000
11.750 0.8840 0.04533 0.03730 0.0454 0.0521 1.0000
12.000 0.9058 0.04788 0.04004 0.0457 0.0503 1.0000
12.250 0.9204 0.05043 0.04272 0.0461 0.0487 1.0000
12.500 0.9424 0.05550 0.04797 0.0455 0.0469 1.0000
12.750 0.9347 0.05798 0.05070 0.0474 0.0466 1.0000
13.000 0.9219 0.06049 0.05349 0.0494 0.0463 1.0000
13.250 0.9097 0.06392 0.05719 0.0508 0.0462 1.0000
13.500 0.9011 0.06789 0.06138 0.0516 0.0465 1.0000
13.750 0.8938 0.07235 0.06602 0.0520 0.0468 1.0000
14.000 0.8796 0.07584 0.06975 0.0525 0.0471 1.0000
14.250 0.8581 0.07919 0.07334 0.0526 0.0475 1.0000
14.500 0.8213 0.08415 0.07863 0.0516 0.0484 1.0000
14.750 0.7521 0.09395 0.08885 0.0471 0.0504 1.0000
15.000 0.6982 0.10585 0.10098 0.0406 0.0535 1.0000
15.250 0.6688 0.11583 0.11102 0.0352 0.0555 1.0000
15.500 0.6525 0.12430 0.11950 0.0310 0.0568 1.0000
15.750 0.6513 0.13043 0.12566 0.0287 0.0584 1.0000
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