EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=50,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Reynolds number: 50,000 Max Cl/Cd: 25.49 at α=7.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e837-il-50000-n5.txt Download as CSV file: xf-e837-il-50000-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 = 0.050 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-14.750 -0.7313 0.10768 0.10042 -0.0276 1.0000 0.0404
-14.500 -0.7519 0.09997 0.09257 -0.0319 1.0000 0.0403
-14.250 -0.7707 0.09317 0.08558 -0.0354 1.0000 0.0402
-14.000 -0.7883 0.08709 0.07930 -0.0383 1.0000 0.0402
-13.500 -0.8081 0.07762 0.06955 -0.0414 1.0000 0.0417
-13.250 -0.8125 0.07382 0.06562 -0.0422 1.0000 0.0427
-13.000 -0.8162 0.07017 0.06181 -0.0429 1.0000 0.0439
-12.750 -0.8177 0.06664 0.05807 -0.0432 1.0000 0.0453
-12.500 -0.8148 0.06332 0.05449 -0.0431 1.0000 0.0470
-12.250 -0.8077 0.06030 0.05113 -0.0427 1.0000 0.0494
-12.000 -0.7966 0.05786 0.04852 -0.0423 1.0000 0.0527
-11.750 -0.7857 0.05584 0.04648 -0.0418 1.0000 0.0567
-11.500 -0.7672 0.05398 0.04428 -0.0408 1.0000 0.0621
-11.250 -0.7536 0.05219 0.04254 -0.0400 1.0000 0.0673
-11.000 -0.7424 0.05033 0.04051 -0.0392 1.0000 0.0754
-10.750 -0.7351 0.04834 0.03863 -0.0384 1.0000 0.0830
-10.500 -0.7276 0.04636 0.03666 -0.0374 1.0000 0.0926
-10.250 -0.7241 0.04421 0.03460 -0.0365 1.0000 0.1059
-10.000 -0.7223 0.04202 0.03253 -0.0355 1.0000 0.1223
-9.750 -0.7223 0.03980 0.03049 -0.0343 1.0000 0.1440
-9.500 -0.7240 0.03763 0.02850 -0.0330 1.0000 0.1700
-9.250 -0.7278 0.03551 0.02668 -0.0313 1.0000 0.2006
-9.000 -0.7324 0.03360 0.02507 -0.0291 1.0000 0.2360
-8.750 -0.7366 0.03201 0.02374 -0.0265 1.0000 0.2748
-8.500 -0.7400 0.03082 0.02287 -0.0232 1.0000 0.3166
-8.250 -0.7413 0.03016 0.02250 -0.0194 1.0000 0.3583
-8.000 -0.7405 0.03002 0.02259 -0.0152 1.0000 0.3963
-7.750 -0.7443 0.03001 0.02269 -0.0103 1.0000 0.4269
-7.500 -0.7501 0.03020 0.02294 -0.0049 1.0000 0.4518
-7.250 -0.7660 0.03006 0.02279 0.0014 1.0000 0.4715
-7.000 -0.7467 0.03043 0.02301 0.0025 0.9904 0.5020
-6.750 -0.7121 0.03115 0.02344 0.0017 0.9795 0.5293
-6.500 -0.6715 0.03218 0.02421 0.0006 0.9710 0.5497
-6.250 -0.6347 0.03286 0.02463 -0.0003 0.9621 0.5673
-6.000 -0.5947 0.03334 0.02482 -0.0021 0.9550 0.5835
-5.750 -0.5595 0.03370 0.02491 -0.0031 0.9464 0.5968
-5.500 -0.5188 0.03394 0.02490 -0.0053 0.9404 0.6094
-5.250 -0.4900 0.03392 0.02467 -0.0057 0.9312 0.6215
-5.000 -0.4595 0.03374 0.02427 -0.0068 0.9235 0.6338
-4.750 -0.4256 0.03387 0.02419 -0.0078 0.9159 0.6428
-4.500 -0.3905 0.03381 0.02394 -0.0092 0.9095 0.6517
-4.250 -0.3721 0.03341 0.02339 -0.0086 0.9000 0.6627
-4.000 -0.3346 0.03351 0.02334 -0.0101 0.8942 0.6692
-3.750 -0.3158 0.03318 0.02286 -0.0094 0.8855 0.6788
-3.500 -0.2876 0.03308 0.02262 -0.0097 0.8785 0.6862
-3.250 -0.2661 0.03284 0.02228 -0.0092 0.8707 0.6942
-3.000 -0.2443 0.03265 0.02199 -0.0088 0.8636 0.7022
-2.750 -0.2214 0.03249 0.02171 -0.0084 0.8562 0.7092
-2.500 -0.2001 0.03231 0.02145 -0.0078 0.8494 0.7166
-2.250 -0.1806 0.03215 0.02122 -0.0069 0.8420 0.7236
-2.000 -0.1557 0.03202 0.02100 -0.0068 0.8360 0.7302
-1.750 -0.1423 0.03184 0.02077 -0.0051 0.8281 0.7377
-1.500 -0.1105 0.03174 0.02061 -0.0060 0.8234 0.7432
-1.250 -0.1042 0.03160 0.02043 -0.0034 0.8145 0.7515
-1.000 -0.0723 0.03156 0.02035 -0.0042 0.8098 0.7564
-0.750 -0.0674 0.03142 0.02018 -0.0014 0.8014 0.7651
-0.500 -0.0357 0.03144 0.02019 -0.0022 0.7962 0.7696
-0.250 -0.0237 0.03140 0.02013 -0.0003 0.7890 0.7773
0.000 0.0000 0.03140 0.02013 0.0000 0.7828 0.7828
0.250 0.0237 0.03140 0.02013 0.0003 0.7773 0.7890
0.500 0.0357 0.03144 0.02019 0.0022 0.7696 0.7962
0.750 0.0673 0.03142 0.02018 0.0014 0.7651 0.8014
1.000 0.0723 0.03156 0.02035 0.0042 0.7564 0.8098
1.250 0.1043 0.03160 0.02043 0.0033 0.7515 0.8146
1.500 0.1106 0.03174 0.02061 0.0060 0.7432 0.8234
1.750 0.1423 0.03184 0.02077 0.0051 0.7377 0.8281
2.000 0.1557 0.03201 0.02099 0.0068 0.7301 0.8361
2.250 0.1806 0.03215 0.02121 0.0069 0.7237 0.8421
2.500 0.2002 0.03231 0.02144 0.0078 0.7167 0.8494
2.750 0.2214 0.03248 0.02171 0.0084 0.7092 0.8562
3.000 0.2444 0.03265 0.02196 0.0087 0.7022 0.8636
3.250 0.2662 0.03284 0.02228 0.0092 0.6942 0.8708
3.500 0.2878 0.03307 0.02262 0.0097 0.6863 0.8785
3.750 0.3159 0.03318 0.02285 0.0093 0.6788 0.8855
4.000 0.3347 0.03351 0.02333 0.0101 0.6693 0.8942
4.250 0.3722 0.03341 0.02339 0.0086 0.6627 0.9001
4.500 0.3905 0.03381 0.02394 0.0092 0.6517 0.9096
4.750 0.4258 0.03385 0.02417 0.0078 0.6429 0.9160
5.000 0.4594 0.03373 0.02427 0.0068 0.6338 0.9236
5.250 0.4901 0.03391 0.02466 0.0057 0.6215 0.9311
5.500 0.5191 0.03393 0.02489 0.0052 0.6094 0.9405
5.750 0.5598 0.03369 0.02490 0.0031 0.5969 0.9465
6.000 0.5951 0.03332 0.02481 0.0021 0.5835 0.9551
6.250 0.6350 0.03284 0.02461 0.0003 0.5673 0.9622
6.500 0.6718 0.03216 0.02419 -0.0007 0.5497 0.9711
6.750 0.7124 0.03114 0.02346 -0.0018 0.5293 0.9796
7.000 0.7468 0.03043 0.02301 -0.0026 0.5022 0.9905
7.250 0.7660 0.03005 0.02278 -0.0014 0.4716 1.0000
7.500 0.7501 0.03018 0.02292 0.0049 0.4519 1.0000
7.750 0.7443 0.02999 0.02267 0.0103 0.4269 1.0000
8.000 0.7407 0.03001 0.02258 0.0152 0.3961 1.0000
8.250 0.7418 0.03014 0.02247 0.0194 0.3580 1.0000
8.500 0.7404 0.03081 0.02286 0.0232 0.3163 1.0000
8.750 0.7371 0.03200 0.02373 0.0264 0.2746 1.0000
9.000 0.7328 0.03360 0.02506 0.0290 0.2355 1.0000
9.250 0.7281 0.03552 0.02668 0.0312 0.2001 1.0000
9.500 0.7246 0.03762 0.02850 0.0329 0.1696 1.0000
9.750 0.7229 0.03981 0.03048 0.0342 0.1438 1.0000
10.000 0.7230 0.04203 0.03253 0.0354 0.1220 1.0000
10.250 0.7248 0.04421 0.03459 0.0364 0.1057 1.0000
10.500 0.7284 0.04637 0.03666 0.0373 0.0923 1.0000
10.750 0.7360 0.04834 0.03862 0.0383 0.0827 1.0000
11.000 0.7435 0.05033 0.04048 0.0391 0.0751 1.0000
11.250 0.7544 0.05222 0.04256 0.0398 0.0669 1.0000
11.500 0.7686 0.05398 0.04429 0.0407 0.0618 1.0000
11.750 0.7865 0.05584 0.04648 0.0417 0.0566 1.0000
12.000 0.7974 0.05788 0.04851 0.0421 0.0524 1.0000
12.250 0.8086 0.06036 0.05120 0.0426 0.0492 1.0000
12.500 0.8161 0.06335 0.05452 0.0429 0.0469 1.0000
12.750 0.8189 0.06667 0.05810 0.0430 0.0452 1.0000
13.000 0.8176 0.07020 0.06184 0.0427 0.0439 1.0000
13.250 0.8142 0.07377 0.06555 0.0420 0.0425 1.0000
13.500 0.8111 0.07742 0.06930 0.0413 0.0413 1.0000
13.750 0.8066 0.08156 0.07351 0.0403 0.0404 1.0000
14.000 0.7885 0.08724 0.07945 0.0379 0.0401 1.0000
14.250 0.7725 0.09318 0.08560 0.0353 0.0402 1.0000
14.500 0.7538 0.09995 0.09254 0.0318 0.0403 1.0000
14.750 0.7319 0.10792 0.10068 0.0272 0.0404 1.0000
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