EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Reynolds number: 1,000,000 Max Cl/Cd: 72.22 at α=4.75° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e838-il-1000000-n5.txt Download as CSV file: xf-e838-il-1000000-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 = 1.000 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0974 0.09760 0.09404 -0.0268 1.0000 0.0029
-19.500 -1.1056 0.09272 0.08906 -0.0289 1.0000 0.0028
-19.250 -1.1124 0.08815 0.08438 -0.0308 1.0000 0.0029
-19.000 -1.1182 0.08382 0.07995 -0.0325 1.0000 0.0030
-18.750 -1.1230 0.07977 0.07580 -0.0339 1.0000 0.0030
-18.500 -1.1255 0.07616 0.07210 -0.0351 1.0000 0.0030
-18.250 -1.1289 0.07250 0.06834 -0.0362 1.0000 0.0030
-18.000 -1.1303 0.06917 0.06492 -0.0370 1.0000 0.0031
-17.750 -1.1289 0.06628 0.06196 -0.0377 1.0000 0.0031
-17.500 -1.1289 0.06328 0.05887 -0.0383 1.0000 0.0032
-17.250 -1.1282 0.06043 0.05594 -0.0388 1.0000 0.0032
-17.000 -1.1254 0.05788 0.05331 -0.0392 1.0000 0.0033
-16.750 -1.1235 0.05530 0.05066 -0.0394 1.0000 0.0032
-16.500 -1.1188 0.05307 0.04836 -0.0396 1.0000 0.0033
-16.250 -1.1137 0.05093 0.04615 -0.0397 1.0000 0.0034
-16.000 -1.1071 0.04899 0.04414 -0.0397 1.0000 0.0034
-15.750 -1.1044 0.04670 0.04177 -0.0396 1.0000 0.0034
-15.500 -1.0944 0.04516 0.04018 -0.0395 1.0000 0.0035
-15.250 -1.0913 0.04300 0.03795 -0.0392 1.0000 0.0036
-15.000 -1.0797 0.04080 0.03567 -0.0406 0.9560 0.0038
-14.750 -1.0431 0.03879 0.03336 -0.0467 0.8791 0.0041
-14.500 -1.0378 0.03742 0.03182 -0.0455 0.8429 0.0044
-14.250 -1.0299 0.03612 0.03038 -0.0447 0.8230 0.0042
-14.000 -1.0223 0.03474 0.02890 -0.0439 0.8089 0.0045
-13.750 -1.0121 0.03356 0.02764 -0.0433 0.7976 0.0046
-13.500 -1.0033 0.03228 0.02627 -0.0425 0.7882 0.0046
-13.250 -0.9935 0.03112 0.02501 -0.0417 0.7790 0.0049
-13.000 -0.9837 0.02996 0.02378 -0.0409 0.7710 0.0051
-12.500 -0.9611 0.02793 0.02161 -0.0392 0.7571 0.0054
-12.250 -0.9513 0.02684 0.02046 -0.0382 0.7510 0.0057
-12.000 -0.9398 0.02588 0.01945 -0.0373 0.7458 0.0061
-11.750 -0.9287 0.02489 0.01842 -0.0363 0.7404 0.0066
-11.500 -0.9169 0.02399 0.01746 -0.0353 0.7352 0.0070
-11.250 -0.9044 0.02313 0.01655 -0.0343 0.7305 0.0077
-11.000 -0.8913 0.02231 0.01568 -0.0334 0.7259 0.0083
-10.750 -0.8788 0.02149 0.01482 -0.0323 0.7216 0.0087
-10.500 -0.8663 0.02069 0.01398 -0.0312 0.7177 0.0098
-10.250 -0.8523 0.01996 0.01323 -0.0302 0.7138 0.0111
-10.000 -0.8385 0.01924 0.01247 -0.0291 0.7098 0.0120
-9.750 -0.8257 0.01850 0.01171 -0.0279 0.7059 0.0132
-9.500 -0.8118 0.01784 0.01101 -0.0267 0.7026 0.0143
-9.250 -0.7969 0.01723 0.01036 -0.0256 0.6995 0.0153
-9.000 -0.7830 0.01660 0.00970 -0.0243 0.6961 0.0168
-8.750 -0.7696 0.01598 0.00906 -0.0228 0.6925 0.0187
-8.500 -0.7550 0.01545 0.00850 -0.0215 0.6893 0.0203
-8.250 -0.7428 0.01484 0.00789 -0.0197 0.6863 0.0246
-8.000 -0.7295 0.01431 0.00736 -0.0180 0.6835 0.0293
-7.500 -0.7055 0.01329 0.00636 -0.0138 0.6774 0.0444
-7.250 -0.6951 0.01282 0.00592 -0.0112 0.6744 0.0561
-7.000 -0.6846 0.01245 0.00559 -0.0085 0.6716 0.0683
-6.750 -0.6726 0.01198 0.00522 -0.0061 0.6690 0.0885
-6.500 -0.6579 0.01151 0.00485 -0.0042 0.6664 0.1134
-6.250 -0.6429 0.01099 0.00446 -0.0024 0.6636 0.1458
-6.000 -0.6263 0.01050 0.00410 -0.0008 0.6609 0.1803
-5.750 -0.6090 0.01000 0.00374 0.0006 0.6583 0.2186
-5.500 -0.5934 0.00934 0.00333 0.0023 0.6559 0.2744
-5.250 -0.5783 0.00860 0.00289 0.0041 0.6534 0.3421
-5.000 -0.5618 0.00790 0.00250 0.0057 0.6508 0.4144
-4.750 -0.5398 0.00750 0.00227 0.0064 0.6482 0.4613
-4.500 -0.5147 0.00729 0.00213 0.0066 0.6456 0.4891
-4.250 -0.4884 0.00715 0.00204 0.0066 0.6432 0.5122
-4.000 -0.4609 0.00705 0.00196 0.0065 0.6409 0.5275
-3.750 -0.4332 0.00697 0.00189 0.0063 0.6385 0.5396
-3.500 -0.4052 0.00691 0.00184 0.0060 0.6359 0.5488
-3.250 -0.3765 0.00688 0.00178 0.0056 0.6332 0.5567
-3.000 -0.3484 0.00684 0.00173 0.0054 0.6306 0.5630
-2.750 -0.3195 0.00683 0.00168 0.0049 0.6283 0.5681
-2.500 -0.2904 0.00680 0.00164 0.0045 0.6261 0.5716
-2.250 -0.2616 0.00677 0.00160 0.0041 0.6235 0.5747
-2.000 -0.2326 0.00674 0.00156 0.0036 0.6207 0.5779
-1.750 -0.2036 0.00674 0.00153 0.0032 0.6180 0.5810
-1.500 -0.1745 0.00674 0.00149 0.0027 0.6156 0.5838
-1.250 -0.1454 0.00673 0.00147 0.0023 0.6133 0.5865
-1.000 -0.1164 0.00670 0.00145 0.0018 0.6108 0.5893
-0.750 -0.0873 0.00669 0.00144 0.0014 0.6079 0.5921
-0.500 -0.0582 0.00668 0.00143 0.0009 0.6052 0.5949
-0.250 -0.0291 0.00669 0.00142 0.0005 0.6027 0.5977
0.000 0.0000 0.00671 0.00141 0.0000 0.6001 0.6002
0.250 0.0291 0.00669 0.00142 -0.0005 0.5976 0.6028
0.500 0.0582 0.00668 0.00143 -0.0009 0.5948 0.6053
0.750 0.0873 0.00669 0.00144 -0.0014 0.5920 0.6080
1.000 0.1164 0.00670 0.00145 -0.0018 0.5892 0.6108
1.250 0.1454 0.00673 0.00147 -0.0023 0.5863 0.6134
1.500 0.1745 0.00674 0.00149 -0.0027 0.5838 0.6157
1.750 0.2036 0.00674 0.00153 -0.0032 0.5809 0.6181
2.000 0.2326 0.00675 0.00156 -0.0036 0.5778 0.6207
2.250 0.2616 0.00677 0.00160 -0.0041 0.5747 0.6235
2.500 0.2904 0.00680 0.00164 -0.0045 0.5716 0.6261
2.750 0.3195 0.00683 0.00168 -0.0050 0.5680 0.6284
3.000 0.3484 0.00684 0.00173 -0.0054 0.5630 0.6306
3.250 0.3765 0.00689 0.00178 -0.0056 0.5567 0.6332
3.500 0.4052 0.00691 0.00184 -0.0060 0.5488 0.6359
3.750 0.4332 0.00697 0.00189 -0.0063 0.5396 0.6385
4.000 0.4610 0.00705 0.00196 -0.0065 0.5279 0.6409
4.250 0.4884 0.00716 0.00204 -0.0066 0.5118 0.6432
4.500 0.5148 0.00729 0.00213 -0.0066 0.4899 0.6456
4.750 0.5402 0.00748 0.00227 -0.0065 0.4647 0.6482
5.000 0.5618 0.00789 0.00250 -0.0057 0.4148 0.6509
5.250 0.5786 0.00858 0.00288 -0.0042 0.3439 0.6534
5.500 0.5931 0.00936 0.00334 -0.0023 0.2724 0.6559
5.750 0.6087 0.01001 0.00375 -0.0006 0.2172 0.6583
6.000 0.6262 0.01050 0.00410 0.0008 0.1798 0.6610
6.250 0.6431 0.01098 0.00445 0.0023 0.1465 0.6637
6.500 0.6579 0.01151 0.00485 0.0042 0.1133 0.6664
6.750 0.6733 0.01196 0.00521 0.0060 0.0906 0.6691
7.000 0.6863 0.01241 0.00557 0.0082 0.0711 0.6718
7.250 0.6969 0.01278 0.00590 0.0109 0.0586 0.6743
7.500 0.7061 0.01328 0.00636 0.0137 0.0451 0.6774
7.750 0.7171 0.01379 0.00685 0.0161 0.0354 0.6805
8.000 0.7296 0.01431 0.00736 0.0180 0.0291 0.6835
8.250 0.7421 0.01487 0.00791 0.0198 0.0236 0.6864
8.500 0.7551 0.01545 0.00850 0.0215 0.0201 0.6892
8.750 0.7696 0.01599 0.00906 0.0228 0.0185 0.6927
9.000 0.7832 0.01660 0.00970 0.0242 0.0168 0.6962
9.250 0.7972 0.01722 0.01035 0.0255 0.0153 0.6996
9.500 0.8121 0.01784 0.01101 0.0266 0.0144 0.7026
9.750 0.8260 0.01850 0.01170 0.0278 0.0132 0.7060
10.000 0.8386 0.01925 0.01247 0.0291 0.0118 0.7100
10.250 0.8528 0.01994 0.01321 0.0301 0.0111 0.7140
10.500 0.8668 0.02067 0.01398 0.0311 0.0103 0.7177
10.750 0.8795 0.02146 0.01479 0.0322 0.0090 0.7217
11.000 0.8917 0.02231 0.01568 0.0334 0.0082 0.7260
11.250 0.9049 0.02312 0.01654 0.0343 0.0079 0.7306
11.500 0.9175 0.02397 0.01745 0.0353 0.0072 0.7351
11.750 0.9299 0.02484 0.01837 0.0362 0.0069 0.7405
12.000 0.9415 0.02579 0.01936 0.0372 0.0063 0.7459
12.250 0.9521 0.02681 0.02042 0.0382 0.0058 0.7511
12.500 0.9617 0.02791 0.02159 0.0392 0.0054 0.7572
13.000 0.9830 0.03003 0.02386 0.0409 0.0052 0.7708
13.250 0.9944 0.03109 0.02498 0.0416 0.0051 0.7791
13.500 1.0047 0.03221 0.02620 0.0424 0.0049 0.7882
13.750 1.0143 0.03341 0.02749 0.0431 0.0048 0.7979
14.000 1.0224 0.03477 0.02893 0.0439 0.0046 0.8090
14.250 1.0317 0.03601 0.03027 0.0446 0.0044 0.8229
14.500 1.0388 0.03737 0.03175 0.0454 0.0041 0.8429
15.000 1.0811 0.04081 0.03569 0.0403 0.0039 0.9564
15.250 1.0943 0.04284 0.03778 0.0389 0.0037 1.0000
15.500 1.0990 0.04482 0.03982 0.0392 0.0035 1.0000
15.750 1.1013 0.04711 0.04220 0.0395 0.0034 1.0000
16.000 1.1100 0.04881 0.04396 0.0395 0.0035 1.0000
16.250 1.1147 0.05095 0.04617 0.0395 0.0034 1.0000
16.500 1.1214 0.05292 0.04820 0.0394 0.0034 1.0000
16.750 1.1240 0.05539 0.05075 0.0392 0.0033 1.0000
17.000 1.1291 0.05762 0.05305 0.0389 0.0033 1.0000
17.250 1.1317 0.06019 0.05569 0.0386 0.0032 1.0000
17.500 1.1324 0.06302 0.05860 0.0381 0.0031 1.0000
17.750 1.1334 0.06589 0.06155 0.0375 0.0031 1.0000
18.000 1.1330 0.06900 0.06475 0.0368 0.0031 1.0000
18.250 1.1316 0.07232 0.06816 0.0359 0.0030 1.0000
18.500 1.1288 0.07591 0.07184 0.0349 0.0030 1.0000
18.750 1.1258 0.07959 0.07562 0.0337 0.0029 1.0000
19.000 1.1224 0.08343 0.07955 0.0323 0.0030 1.0000
19.250 1.1157 0.08787 0.08410 0.0307 0.0029 1.0000
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