EPPLER 331 AIRFOIL (e331-il) Xfoil prediction polar at RE=50,000 Ncrit=9
| Details | Polar file |
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Airfoil: EPPLER 331 AIRFOIL (e331-il) Reynolds number: 50,000 Max Cl/Cd: 17.45 at α=2.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-e331-il-50000.txt Download as CSV file: xf-e331-il-50000.csv |
XFOIL Version 6.96
Calculated polar for: EPPLER 331 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 = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-8.500 -0.4800 0.10291 0.09693 0.0034 1.0000 0.2445
-8.250 -0.4760 0.09933 0.09342 0.0039 1.0000 0.2601
-8.000 -0.4758 0.09609 0.09027 0.0043 1.0000 0.2760
-7.750 -0.4459 0.09177 0.08597 0.0077 1.0000 0.3042
-7.500 -0.4668 0.08966 0.08401 0.0075 1.0000 0.3233
-7.250 -0.4290 0.08577 0.08013 0.0122 1.0000 0.3671
-7.000 -0.4147 0.08308 0.07749 0.0162 1.0000 0.4153
-6.750 -0.3871 0.08017 0.07462 0.0209 1.0000 0.4780
-6.500 -0.3449 0.07669 0.07114 0.0251 1.0000 0.5528
-5.500 -0.2953 0.06402 0.05878 0.0279 1.0000 0.6431
-5.250 -0.3627 0.06154 0.05663 0.0274 1.0000 0.5742
-5.000 -0.4131 0.05750 0.05291 0.0254 1.0000 0.5202
-4.750 -0.4571 0.05425 0.04988 0.0246 1.0000 0.4861
-4.500 -0.4970 0.05264 0.04841 0.0275 1.0000 0.4685
-4.250 -0.5346 0.05214 0.04793 0.0322 1.0000 0.4660
-4.000 -0.5153 0.04709 0.04100 0.0161 1.0000 0.2335
-3.750 -0.4488 0.04294 0.03503 0.0110 0.9855 0.1338
-3.500 -0.3926 0.03874 0.03024 0.0063 0.9683 0.1152
-3.250 -0.3369 0.03623 0.02672 0.0028 0.9498 0.1038
-3.000 -0.2771 0.03332 0.02333 -0.0022 0.9327 0.1039
-2.750 0.0311 0.02243 0.01548 -0.0391 0.9643 1.0000
-2.500 0.1117 0.02187 0.01403 -0.0496 0.9337 1.0000
-2.250 0.1698 0.02156 0.01318 -0.0556 0.9023 1.0000
-2.000 0.2045 0.02162 0.01285 -0.0570 0.8727 1.0000
-1.750 0.2287 0.02188 0.01279 -0.0563 0.8478 1.0000
-1.500 0.2489 0.02224 0.01291 -0.0550 0.8246 1.0000
-1.250 0.2688 0.02261 0.01306 -0.0536 0.8050 1.0000
-1.000 0.2886 0.02300 0.01323 -0.0521 0.7873 1.0000
-0.750 0.3085 0.02342 0.01347 -0.0507 0.7707 1.0000
-0.500 0.3285 0.02387 0.01376 -0.0495 0.7553 1.0000
-0.250 0.3497 0.02436 0.01411 -0.0486 0.7404 1.0000
0.000 0.3702 0.02489 0.01453 -0.0477 0.7262 1.0000
0.250 0.3909 0.02548 0.01502 -0.0469 0.7129 1.0000
0.500 0.4113 0.02610 0.01557 -0.0460 0.7004 1.0000
0.750 0.4316 0.02669 0.01606 -0.0449 0.6891 1.0000
1.000 0.4520 0.02728 0.01657 -0.0438 0.6782 1.0000
1.250 0.4720 0.02814 0.01742 -0.0433 0.6666 1.0000
1.500 0.4917 0.02890 0.01814 -0.0424 0.6563 1.0000
1.750 0.5117 0.02959 0.01879 -0.0412 0.6468 1.0000
2.000 0.5301 0.03071 0.01994 -0.0409 0.6360 1.0000
2.250 0.5494 0.03149 0.02068 -0.0396 0.6273 1.0000
2.500 0.5671 0.03263 0.02185 -0.0390 0.6174 1.0000
2.750 0.5835 0.03390 0.02316 -0.0382 0.6081 1.0000
3.000 0.6024 0.03472 0.02400 -0.0369 0.5997 1.0000
3.250 0.6145 0.03654 0.02590 -0.0364 0.5901 1.0000
3.500 0.6350 0.03717 0.02651 -0.0347 0.5828 1.0000
3.750 0.6411 0.03954 0.02900 -0.0343 0.5729 1.0000
4.000 0.6640 0.03997 0.02940 -0.0324 0.5664 1.0000
4.250 0.6606 0.04314 0.03275 -0.0319 0.5566 1.0000
4.500 0.6809 0.04390 0.03351 -0.0301 0.5496 1.0000
4.750 0.6686 0.04758 0.03729 -0.0289 0.5410 1.0000
5.000 0.6921 0.04816 0.03790 -0.0272 0.5340 1.0000
5.250 0.6607 0.05295 0.04274 -0.0253 0.5269 1.0000
5.500 0.7005 0.05251 0.04235 -0.0238 0.5192 1.0000
5.750 0.6473 0.05846 0.04826 -0.0211 0.5151 1.0000
6.000 0.6130 0.06219 0.05193 -0.0173 0.5124 1.0000
6.250 0.5919 0.06527 0.05496 -0.0144 0.5105 1.0000
6.500 0.6140 0.06674 0.05649 -0.0135 0.5019 1.0000
6.750 0.5927 0.07013 0.05984 -0.0113 0.5014 1.0000
7.000 0.5828 0.07337 0.06307 -0.0101 0.5019 1.0000
7.250 0.5821 0.07664 0.06638 -0.0097 0.5040 1.0000
7.500 0.4675 0.08513 0.07472 -0.0121 0.6172 1.0000
7.750 0.4721 0.08716 0.07676 -0.0109 0.6044 1.0000
8.000 0.4813 0.08955 0.07918 -0.0103 0.5922 1.0000
8.250 0.4969 0.09231 0.08199 -0.0101 0.5795 1.0000
8.500 0.5212 0.09576 0.08553 -0.0106 0.5660 1.0000
8.750 0.5193 0.09717 0.08700 -0.0090 0.5524 1.0000
9.000 0.5200 0.09911 0.08893 -0.0078 0.5389 1.0000
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Polar data table (+)
Polar graphs
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