EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=50,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Reynolds number: 50,000 Max Cl/Cd: 16.41 at α=9.75° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e838-il-50000-n5.txt Download as CSV file: xf-e838-il-50000-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 = 0.050 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-15.500 -0.6768 0.11524 0.10824 -0.0353 1.0000 0.0433
-15.250 -0.7020 0.10634 0.09919 -0.0402 1.0000 0.0427
-15.000 -0.7256 0.09865 0.09131 -0.0441 1.0000 0.0424
-14.750 -0.7451 0.09215 0.08461 -0.0469 1.0000 0.0422
-14.500 -0.7633 0.08632 0.07853 -0.0491 1.0000 0.0426
-14.250 -0.7759 0.08139 0.07335 -0.0504 1.0000 0.0429
-14.000 -0.7870 0.07678 0.06844 -0.0513 1.0000 0.0438
-13.750 -0.7907 0.07281 0.06416 -0.0517 1.0000 0.0444
-13.500 -0.7893 0.06922 0.06020 -0.0517 1.0000 0.0455
-13.250 -0.7748 0.06679 0.05769 -0.0515 1.0000 0.0480
-13.000 -0.7654 0.06452 0.05533 -0.0514 1.0000 0.0513
-12.750 -0.7501 0.06237 0.05290 -0.0510 1.0000 0.0552
-12.500 -0.7210 0.06125 0.05168 -0.0500 1.0000 0.0596
-12.250 -0.7055 0.05969 0.05004 -0.0495 1.0000 0.0653
-12.000 -0.6893 0.05823 0.04852 -0.0488 1.0000 0.0719
-11.750 -0.6752 0.05674 0.04698 -0.0479 1.0000 0.0795
-11.500 -0.6659 0.05496 0.04528 -0.0472 1.0000 0.0882
-11.250 -0.6594 0.05300 0.04339 -0.0466 1.0000 0.1000
-11.000 -0.6553 0.05094 0.04142 -0.0458 1.0000 0.1139
-10.750 -0.6545 0.04869 0.03936 -0.0450 1.0000 0.1335
-10.500 -0.6569 0.04634 0.03729 -0.0439 1.0000 0.1576
-10.250 -0.6621 0.04394 0.03525 -0.0427 1.0000 0.1917
-10.000 -0.6686 0.04176 0.03353 -0.0409 1.0000 0.2360
-9.750 -0.6682 0.04079 0.03324 -0.0383 1.0000 0.3033
-9.500 -0.6437 0.04275 0.03563 -0.0352 1.0000 0.3805
-9.250 -0.6298 0.04381 0.03667 -0.0326 1.0000 0.4184
-9.000 -0.6340 0.04397 0.03678 -0.0289 1.0000 0.4431
-8.750 -0.6326 0.04459 0.03731 -0.0256 0.9911 0.4653
-8.500 -0.5949 0.04628 0.03867 -0.0263 0.9778 0.4903
-8.250 -0.5685 0.04653 0.03863 -0.0274 0.9655 0.5136
-8.000 -0.5255 0.04784 0.03960 -0.0287 0.9569 0.5296
-7.750 -0.4912 0.04819 0.03963 -0.0301 0.9477 0.5441
-7.500 -0.4582 0.04807 0.03922 -0.0318 0.9399 0.5577
-7.250 -0.4256 0.04809 0.03898 -0.0331 0.9311 0.5685
-7.000 -0.3854 0.04813 0.03871 -0.0352 0.9249 0.5770
-6.750 -0.3655 0.04754 0.03793 -0.0355 0.9157 0.5880
-6.500 -0.3514 0.04675 0.03696 -0.0353 0.9071 0.5998
-6.250 -0.3107 0.04686 0.03684 -0.0371 0.9008 0.6046
-5.750 -0.2657 0.04601 0.03564 -0.0374 0.8864 0.6203
-5.500 -0.2584 0.04523 0.03472 -0.0360 0.8788 0.6300
-5.250 -0.2274 0.04511 0.03446 -0.0367 0.8725 0.6347
-5.000 -0.2233 0.04432 0.03355 -0.0348 0.8658 0.6443
-4.750 -0.1939 0.04424 0.03334 -0.0354 0.8595 0.6483
-4.500 -0.1801 0.04372 0.03270 -0.0344 0.8536 0.6556
-4.250 -0.1652 0.04339 0.03229 -0.0333 0.8472 0.6615
-4.000 -0.1431 0.04312 0.03193 -0.0331 0.8415 0.6666
-3.750 -0.1419 0.04250 0.03122 -0.0304 0.8356 0.6746
-3.500 -0.1176 0.04244 0.03109 -0.0304 0.8298 0.6784
-3.250 -0.1070 0.04202 0.03060 -0.0287 0.8244 0.6849
-3.000 -0.0998 0.04171 0.03025 -0.0266 0.8185 0.6906
-2.750 -0.0782 0.04160 0.03008 -0.0263 0.8132 0.6948
-2.500 -0.0884 0.04098 0.02939 -0.0217 0.8078 0.7034
-2.250 -0.0666 0.04110 0.02950 -0.0214 0.8020 0.7066
-2.000 -0.0496 0.04097 0.02933 -0.0204 0.7970 0.7111
-1.750 -0.0552 0.04043 0.02874 -0.0164 0.7921 0.7189
-1.500 -0.0402 0.04066 0.02897 -0.0150 0.7858 0.7224
-1.250 -0.0260 0.04051 0.02879 -0.0136 0.7812 0.7274
-1.000 -0.0301 0.04017 0.02841 -0.0097 0.7760 0.7344
-0.750 -0.0186 0.04040 0.02866 -0.0078 0.7698 0.7382
-0.500 -0.0068 0.04022 0.02846 -0.0060 0.7655 0.7436
-0.250 -0.0106 0.04010 0.02832 -0.0020 0.7598 0.7499
0.000 -0.0001 0.04031 0.02856 0.0000 0.7540 0.7540
0.250 0.0105 0.04010 0.02832 0.0020 0.7498 0.7598
0.500 0.0066 0.04022 0.02846 0.0060 0.7435 0.7655
0.750 0.0187 0.04039 0.02866 0.0078 0.7382 0.7699
1.000 0.0299 0.04016 0.02840 0.0097 0.7343 0.7761
1.250 0.0261 0.04051 0.02879 0.0136 0.7274 0.7812
1.500 0.0401 0.04066 0.02897 0.0150 0.7224 0.7859
1.750 0.0546 0.04043 0.02873 0.0164 0.7189 0.7922
2.250 0.0664 0.04110 0.02950 0.0214 0.7066 0.8021
2.500 0.0883 0.04098 0.02939 0.0217 0.7035 0.8079
2.750 0.0782 0.04160 0.03008 0.0263 0.6949 0.8132
3.000 0.0997 0.04171 0.03024 0.0266 0.6906 0.8186
3.250 0.1074 0.04201 0.03059 0.0287 0.6849 0.8245
3.500 0.1177 0.04243 0.03108 0.0304 0.6784 0.8298
3.750 0.1418 0.04250 0.03121 0.0304 0.6746 0.8357
4.000 0.1434 0.04312 0.03193 0.0331 0.6667 0.8416
4.250 0.1652 0.04338 0.03228 0.0333 0.6616 0.8473
4.500 0.1810 0.04370 0.03269 0.0342 0.6558 0.8536
4.750 0.1939 0.04424 0.03333 0.0354 0.6483 0.8596
5.000 0.2231 0.04432 0.03355 0.0349 0.6443 0.8659
5.250 0.2276 0.04510 0.03445 0.0367 0.6347 0.8727
5.500 0.2586 0.04521 0.03470 0.0360 0.6300 0.8790
5.750 0.2662 0.04599 0.03562 0.0373 0.6203 0.8865
6.000 0.3003 0.04607 0.03589 0.0362 0.6153 0.8929
6.250 0.3112 0.04684 0.03682 0.0370 0.6046 0.9010
6.500 0.3520 0.04673 0.03693 0.0353 0.5998 0.9073
6.750 0.3660 0.04753 0.03792 0.0354 0.5880 0.9158
7.000 0.3860 0.04810 0.03869 0.0351 0.5770 0.9251
7.250 0.4355 0.04764 0.03855 0.0325 0.5708 0.9303
7.500 0.4588 0.04806 0.03921 0.0318 0.5577 0.9401
7.750 0.4919 0.04817 0.03961 0.0299 0.5441 0.9479
8.000 0.5268 0.04778 0.03954 0.0286 0.5296 0.9571
8.250 0.5692 0.04653 0.03862 0.0272 0.5137 0.9658
8.500 0.5959 0.04624 0.03863 0.0262 0.4903 0.9781
8.750 0.6332 0.04458 0.03730 0.0255 0.4651 0.9916
9.000 0.6336 0.04398 0.03681 0.0289 0.4433 1.0000
9.250 0.6303 0.04376 0.03660 0.0325 0.4182 1.0000
9.500 0.6436 0.04275 0.03563 0.0352 0.3797 1.0000
9.750 0.6689 0.04075 0.03320 0.0382 0.3027 1.0000
10.000 0.6692 0.04175 0.03351 0.0408 0.2354 1.0000
10.250 0.6624 0.04395 0.03524 0.0426 0.1906 1.0000
10.500 0.6574 0.04633 0.03728 0.0439 0.1571 1.0000
10.750 0.6550 0.04870 0.03936 0.0449 0.1327 1.0000
11.000 0.6560 0.05093 0.04141 0.0457 0.1136 1.0000
11.250 0.6600 0.05301 0.04335 0.0464 0.0995 1.0000
11.500 0.6668 0.05494 0.04525 0.0471 0.0879 1.0000
11.750 0.6762 0.05671 0.04695 0.0478 0.0791 1.0000
12.000 0.6905 0.05818 0.04846 0.0486 0.0719 1.0000
12.250 0.7071 0.05963 0.04998 0.0494 0.0653 1.0000
12.500 0.7225 0.06120 0.05162 0.0499 0.0596 1.0000
12.750 0.7509 0.06239 0.05292 0.0508 0.0550 1.0000
13.000 0.7657 0.06454 0.05535 0.0512 0.0509 1.0000
13.250 0.7762 0.06676 0.05769 0.0513 0.0480 1.0000
13.500 0.7912 0.06914 0.06010 0.0516 0.0456 1.0000
13.750 0.7929 0.07272 0.06405 0.0516 0.0446 1.0000
14.000 0.7874 0.07682 0.06849 0.0512 0.0436 1.0000
14.250 0.7773 0.08137 0.07332 0.0503 0.0429 1.0000
14.500 0.7633 0.08648 0.07870 0.0489 0.0424 1.0000
14.750 0.7477 0.09205 0.08449 0.0469 0.0425 1.0000
15.000 0.7264 0.09871 0.09137 0.0439 0.0424 1.0000
15.250 0.7025 0.10650 0.09936 0.0400 0.0427 1.0000
15.500 0.6786 0.11517 0.10816 0.0352 0.0434 1.0000
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