EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Reynolds number: 500,000 Max Cl/Cd: 61.25 at α=5.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-e837-il-500000-n5.txt Download as CSV file: xf-e837-il-500000-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 = 0.500 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.000 -0.9473 0.12815 0.12491 -0.0021 1.0000 0.0042
-18.750 -0.9647 0.12033 0.11693 -0.0063 1.0000 0.0042
-18.500 -0.9753 0.11389 0.11038 -0.0099 1.0000 0.0042
-18.250 -0.9832 0.10807 0.10446 -0.0131 1.0000 0.0043
-18.000 -0.9986 0.10119 0.09742 -0.0166 1.0000 0.0042
-17.750 -1.0070 0.09564 0.09176 -0.0195 1.0000 0.0043
-17.500 -1.0142 0.09042 0.08643 -0.0221 1.0000 0.0044
-17.250 -1.0235 0.08505 0.08093 -0.0246 1.0000 0.0044
-17.000 -1.0285 0.08050 0.07627 -0.0267 1.0000 0.0045
-16.750 -1.0312 0.07644 0.07211 -0.0285 1.0000 0.0046
-16.500 -1.0376 0.07200 0.06755 -0.0302 1.0000 0.0045
-16.250 -1.0390 0.06834 0.06379 -0.0316 1.0000 0.0047
-16.000 -1.0411 0.06474 0.06008 -0.0328 1.0000 0.0048
-15.750 -1.0450 0.06104 0.05626 -0.0338 1.0000 0.0048
-15.500 -1.0457 0.05785 0.05296 -0.0346 1.0000 0.0049
-15.250 -1.0459 0.05482 0.04983 -0.0353 1.0000 0.0051
-15.000 -1.0452 0.05202 0.04691 -0.0357 1.0000 0.0051
-14.750 -1.0450 0.04923 0.04402 -0.0360 1.0000 0.0052
-14.500 -1.0426 0.04677 0.04147 -0.0361 1.0000 0.0053
-14.250 -1.0407 0.04436 0.03896 -0.0361 1.0000 0.0054
-14.000 -1.0365 0.04226 0.03677 -0.0360 1.0000 0.0056
-13.750 -1.0333 0.04013 0.03454 -0.0356 1.0000 0.0057
-13.500 -1.0284 0.03824 0.03255 -0.0353 1.0000 0.0058
-13.250 -1.0229 0.03642 0.03066 -0.0348 1.0000 0.0059
-13.000 -1.0187 0.03456 0.02872 -0.0342 1.0000 0.0059
-12.750 -1.0177 0.03247 0.02655 -0.0333 1.0000 0.0063
-12.500 -1.0109 0.03090 0.02494 -0.0326 1.0000 0.0067
-12.250 -1.0034 0.02945 0.02342 -0.0318 1.0000 0.0069
-12.000 -0.9943 0.02815 0.02204 -0.0310 1.0000 0.0071
-11.750 -0.9848 0.02690 0.02075 -0.0301 1.0000 0.0075
-11.500 -0.9752 0.02569 0.01947 -0.0291 1.0000 0.0077
-11.250 -0.9642 0.02462 0.01834 -0.0281 1.0000 0.0083
-11.000 -0.9539 0.02353 0.01720 -0.0270 1.0000 0.0086
-10.750 -0.9361 0.02242 0.01605 -0.0275 0.9541 0.0096
-10.500 -0.9025 0.02138 0.01485 -0.0309 0.8992 0.0107
-10.250 -0.8915 0.02067 0.01396 -0.0292 0.8661 0.0118
-10.000 -0.8801 0.02000 0.01316 -0.0275 0.8452 0.0126
-9.750 -0.8710 0.01920 0.01224 -0.0255 0.8292 0.0138
-9.500 -0.8598 0.01852 0.01148 -0.0236 0.8166 0.0151
-9.250 -0.8471 0.01795 0.01080 -0.0219 0.8058 0.0165
-9.000 -0.8347 0.01737 0.01014 -0.0200 0.7959 0.0180
-8.750 -0.8229 0.01679 0.00952 -0.0179 0.7869 0.0206
-8.250 -0.7980 0.01583 0.00848 -0.0135 0.7716 0.0282
-7.750 -0.7679 0.01486 0.00751 -0.0099 0.7584 0.0459
-7.500 -0.7512 0.01436 0.00703 -0.0084 0.7524 0.0604
-7.250 -0.7349 0.01379 0.00655 -0.0069 0.7470 0.0821
-7.000 -0.7164 0.01328 0.00612 -0.0057 0.7413 0.1036
-6.750 -0.6974 0.01280 0.00570 -0.0045 0.7362 0.1281
-6.500 -0.6788 0.01224 0.00527 -0.0034 0.7314 0.1605
-6.250 -0.6589 0.01173 0.00488 -0.0024 0.7265 0.1937
-6.000 -0.6386 0.01124 0.00451 -0.0014 0.7219 0.2287
-5.750 -0.6199 0.01061 0.00409 -0.0003 0.7175 0.2811
-5.500 -0.6006 0.00999 0.00371 0.0008 0.7129 0.3362
-5.250 -0.5799 0.00947 0.00338 0.0017 0.7087 0.3887
-5.000 -0.5572 0.00912 0.00316 0.0024 0.7048 0.4316
-4.750 -0.5325 0.00886 0.00300 0.0028 0.7005 0.4644
-4.500 -0.5063 0.00871 0.00287 0.0029 0.6963 0.4866
-4.250 -0.4796 0.00861 0.00274 0.0030 0.6925 0.5025
-4.000 -0.4524 0.00852 0.00265 0.0030 0.6887 0.5169
-3.750 -0.4249 0.00844 0.00256 0.0029 0.6846 0.5299
-3.500 -0.3973 0.00837 0.00249 0.0029 0.6807 0.5408
-3.250 -0.3696 0.00833 0.00240 0.0028 0.6771 0.5498
-3.000 -0.3413 0.00829 0.00233 0.0026 0.6734 0.5584
-2.750 -0.3133 0.00824 0.00228 0.0025 0.6693 0.5662
-2.500 -0.2850 0.00822 0.00222 0.0023 0.6655 0.5743
-2.250 -0.2570 0.00820 0.00218 0.0022 0.6620 0.5811
-2.000 -0.2284 0.00818 0.00213 0.0019 0.6582 0.5877
-1.750 -0.2000 0.00815 0.00210 0.0017 0.6542 0.5932
-1.500 -0.1715 0.00814 0.00207 0.0015 0.6505 0.5991
-1.250 -0.1431 0.00814 0.00203 0.0013 0.6470 0.6045
-1.000 -0.1145 0.00811 0.00202 0.0010 0.6430 0.6094
-0.750 -0.0858 0.00811 0.00201 0.0008 0.6389 0.6144
-0.500 -0.0572 0.00811 0.00199 0.0005 0.6350 0.6188
-0.250 -0.0288 0.00810 0.00198 0.0003 0.6314 0.6228
0.000 0.0000 0.00809 0.00199 0.0000 0.6271 0.6271
0.250 0.0288 0.00810 0.00198 -0.0003 0.6228 0.6314
0.500 0.0572 0.00811 0.00198 -0.0005 0.6188 0.6350
0.750 0.0858 0.00811 0.00201 -0.0008 0.6144 0.6389
1.000 0.1145 0.00811 0.00202 -0.0010 0.6094 0.6430
1.250 0.1431 0.00814 0.00203 -0.0013 0.6045 0.6470
1.500 0.1715 0.00814 0.00207 -0.0015 0.5991 0.6504
1.750 0.2000 0.00815 0.00211 -0.0017 0.5932 0.6543
2.000 0.2284 0.00818 0.00213 -0.0019 0.5877 0.6582
2.250 0.2570 0.00820 0.00218 -0.0022 0.5811 0.6621
2.500 0.2850 0.00822 0.00222 -0.0023 0.5744 0.6656
2.750 0.3133 0.00824 0.00228 -0.0025 0.5662 0.6693
3.000 0.3414 0.00829 0.00233 -0.0026 0.5584 0.6734
3.250 0.3696 0.00833 0.00240 -0.0028 0.5498 0.6771
3.500 0.3974 0.00837 0.00249 -0.0029 0.5408 0.6807
3.750 0.4249 0.00844 0.00256 -0.0029 0.5298 0.6846
4.000 0.4524 0.00852 0.00264 -0.0030 0.5167 0.6888
4.250 0.4795 0.00861 0.00274 -0.0030 0.5022 0.6925
4.500 0.5063 0.00871 0.00287 -0.0029 0.4866 0.6963
4.750 0.5325 0.00886 0.00300 -0.0028 0.4639 0.7004
5.000 0.5572 0.00912 0.00316 -0.0024 0.4313 0.7048
5.250 0.5800 0.00947 0.00338 -0.0017 0.3886 0.7087
5.500 0.6007 0.00998 0.00371 -0.0008 0.3368 0.7129
5.750 0.6199 0.01061 0.00410 0.0003 0.2807 0.7175
6.000 0.6388 0.01124 0.00450 0.0014 0.2293 0.7219
6.250 0.6590 0.01173 0.00488 0.0023 0.1936 0.7265
6.500 0.6789 0.01224 0.00527 0.0033 0.1603 0.7314
6.750 0.6978 0.01279 0.00570 0.0045 0.1293 0.7363
7.000 0.7166 0.01328 0.00612 0.0056 0.1036 0.7414
7.250 0.7349 0.01380 0.00656 0.0069 0.0813 0.7470
7.500 0.7517 0.01435 0.00703 0.0083 0.0613 0.7523
7.750 0.7680 0.01487 0.00751 0.0099 0.0456 0.7584
8.250 0.7978 0.01585 0.00849 0.0135 0.0273 0.7715
8.500 0.8101 0.01633 0.00898 0.0158 0.0233 0.7791
8.750 0.8234 0.01679 0.00952 0.0178 0.0207 0.7868
9.000 0.8354 0.01736 0.01014 0.0199 0.0182 0.7958
9.250 0.8476 0.01795 0.01080 0.0218 0.0165 0.8059
9.500 0.8604 0.01852 0.01147 0.0236 0.0151 0.8166
9.750 0.8719 0.01918 0.01222 0.0254 0.0139 0.8292
10.000 0.8808 0.01999 0.01314 0.0274 0.0125 0.8455
10.250 0.8924 0.02064 0.01393 0.0291 0.0117 0.8664
10.500 0.9034 0.02136 0.01483 0.0307 0.0111 0.8992
10.750 0.9364 0.02247 0.01609 0.0274 0.0094 0.9548
11.000 0.9538 0.02358 0.01725 0.0270 0.0086 1.0000
11.250 0.9649 0.02462 0.01834 0.0280 0.0082 1.0000
11.500 0.9755 0.02573 0.01951 0.0290 0.0078 1.0000
11.750 0.9859 0.02688 0.02072 0.0299 0.0074 1.0000
12.000 0.9952 0.02814 0.02204 0.0308 0.0070 1.0000
12.250 1.0049 0.02940 0.02336 0.0316 0.0067 1.0000
12.500 1.0124 0.03087 0.02489 0.0324 0.0065 1.0000
12.750 1.0186 0.03248 0.02657 0.0332 0.0063 1.0000
13.000 1.0201 0.03454 0.02870 0.0340 0.0059 1.0000
13.250 1.0252 0.03633 0.03057 0.0346 0.0059 1.0000
13.500 1.0291 0.03828 0.03260 0.0351 0.0058 1.0000
13.750 1.0341 0.04018 0.03459 0.0355 0.0057 1.0000
14.000 1.0390 0.04214 0.03665 0.0357 0.0055 1.0000
14.250 1.0423 0.04434 0.03894 0.0358 0.0054 1.0000
14.500 1.0452 0.04665 0.04134 0.0359 0.0053 1.0000
14.750 1.0444 0.04944 0.04424 0.0358 0.0053 1.0000
15.000 1.0472 0.05195 0.04685 0.0354 0.0051 1.0000
15.250 1.0473 0.05484 0.04985 0.0350 0.0050 1.0000
15.500 1.0483 0.05773 0.05284 0.0344 0.0050 1.0000
15.750 1.0444 0.06131 0.05654 0.0335 0.0048 1.0000
16.000 1.0454 0.06441 0.05973 0.0326 0.0048 1.0000
16.250 1.0410 0.06831 0.06376 0.0313 0.0048 1.0000
16.500 1.0381 0.07217 0.06773 0.0299 0.0046 1.0000
16.750 1.0320 0.07659 0.07227 0.0282 0.0046 1.0000
17.000 1.0278 0.08085 0.07664 0.0263 0.0046 1.0000
17.250 1.0256 0.08501 0.08089 0.0243 0.0044 1.0000
17.500 1.0160 0.09044 0.08645 0.0218 0.0044 1.0000
17.750 1.0061 0.09611 0.09225 0.0190 0.0044 1.0000
18.000 0.9983 0.10157 0.09782 0.0162 0.0043 1.0000
18.250 0.9860 0.10797 0.10436 0.0129 0.0043 1.0000
18.500 0.9753 0.11428 0.11079 0.0095 0.0043 1.0000
18.750 0.9676 0.12022 0.11682 0.0061 0.0042 1.0000
19.000 0.9520 0.12776 0.12450 0.0019 0.0042 1.0000
19.250 0.9401 0.13478 0.13163 -0.0021 0.0042 1.0000
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