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EPPLER 549 AIRFOIL (e549-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 549 AIRFOIL (e549-il)
Reynolds number: 500,000
Max Cl/Cd: 96.04 at α=8.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e549-il-500000.txt
Download as CSV file: xf-e549-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 549 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.500  -0.3161   0.10827   0.10619  -0.0567   1.0000   0.0230
 -13.250  -0.3263   0.10246   0.10039  -0.0587   1.0000   0.0232
 -13.000  -0.6869   0.05557   0.05189  -0.0778   1.0000   0.0107
 -12.750  -0.6801   0.05347   0.04981  -0.0771   1.0000   0.0103
 -12.500  -0.6957   0.04976   0.04597  -0.0764   1.0000   0.0101
 -12.250  -0.7122   0.04617   0.04221  -0.0752   1.0000   0.0099
 -12.000  -0.7211   0.04367   0.03959  -0.0737   1.0000   0.0097
 -11.750  -0.7349   0.04073   0.03646  -0.0714   1.0000   0.0095
 -11.500  -0.7498   0.03808   0.03361  -0.0681   1.0000   0.0093
 -11.250  -0.7414   0.03381   0.02888  -0.0689   0.9972   0.0088
 -11.000  -0.7175   0.03104   0.02579  -0.0705   0.9927   0.0085
 -10.750  -0.6912   0.02919   0.02377  -0.0721   0.9855   0.0085
 -10.500  -0.6667   0.02767   0.02215  -0.0732   0.9733   0.0087
 -10.250  -0.6386   0.02627   0.02064  -0.0747   0.9630   0.0087
 -10.000  -0.6051   0.02491   0.01920  -0.0774   0.9551   0.0090
  -9.750  -0.5664   0.02356   0.01776  -0.0812   0.9472   0.0094
  -9.500  -0.5235   0.02223   0.01633  -0.0859   0.9386   0.0099
  -9.250  -0.4804   0.02092   0.01491  -0.0909   0.9257   0.0103
  -9.000  -0.4512   0.01952   0.01338  -0.0937   0.9045   0.0110
  -8.750  -0.4330   0.01860   0.01235  -0.0938   0.8834   0.0118
  -8.500  -0.4201   0.01784   0.01146  -0.0926   0.8654   0.0125
  -8.250  -0.4082   0.01720   0.01070  -0.0909   0.8499   0.0135
  -8.000  -0.4053   0.01627   0.00967  -0.0880   0.8350   0.0142
  -7.750  -0.4015   0.01562   0.00895  -0.0848   0.8220   0.0153
  -7.500  -0.3917   0.01517   0.00841  -0.0823   0.8109   0.0168
  -7.250  -0.3792   0.01465   0.00783  -0.0802   0.8010   0.0203
  -7.000  -0.3660   0.01409   0.00723  -0.0782   0.7907   0.0262
  -6.750  -0.3524   0.01346   0.00663  -0.0763   0.7817   0.0394
  -6.500  -0.3364   0.01288   0.00613  -0.0748   0.7729   0.0616
  -6.250  -0.3198   0.01227   0.00567  -0.0735   0.7647   0.0954
  -6.000  -0.3031   0.01159   0.00518  -0.0722   0.7566   0.1466
  -5.750  -0.2888   0.01061   0.00457  -0.0709   0.7485   0.2358
  -5.500  -0.2793   0.00904   0.00371  -0.0691   0.7407   0.4041
  -5.250  -0.2572   0.00871   0.00371  -0.0683   0.7332   0.5109
  -5.000  -0.2297   0.00883   0.00376  -0.0682   0.7261   0.5366
  -4.750  -0.2018   0.00899   0.00383  -0.0681   0.7192   0.5523
  -4.500  -0.1740   0.00912   0.00390  -0.0681   0.7119   0.5618
  -4.250  -0.1459   0.00925   0.00389  -0.0681   0.7052   0.5701
  -4.000  -0.1179   0.00938   0.00402  -0.0680   0.6979   0.5773
  -3.750  -0.0898   0.00956   0.00404  -0.0681   0.6918   0.5846
  -3.500  -0.0618   0.00970   0.00423  -0.0679   0.6848   0.5917
  -3.250  -0.0340   0.01001   0.00445  -0.0677   0.6783   0.6023
  -3.000  -0.0060   0.01023   0.00470  -0.0676   0.6718   0.6086
  -2.750   0.0222   0.01022   0.00462  -0.0677   0.6652   0.6112
  -2.500   0.0504   0.01021   0.00450  -0.0679   0.6594   0.6132
  -2.250   0.0786   0.01017   0.00439  -0.0682   0.6528   0.6151
  -2.000   0.1069   0.01017   0.00427  -0.0685   0.6470   0.6165
  -1.750   0.1350   0.01008   0.00415  -0.0687   0.6411   0.6180
  -1.500   0.1630   0.01003   0.00407  -0.0688   0.6348   0.6195
  -1.250   0.1912   0.01004   0.00400  -0.0690   0.6292   0.6208
  -1.000   0.2192   0.01000   0.00395  -0.0692   0.6229   0.6221
  -0.750   0.2473   0.01000   0.00390  -0.0694   0.6172   0.6235
  -0.500   0.2755   0.01002   0.00387  -0.0696   0.6119   0.6252
  -0.250   0.3036   0.01001   0.00384  -0.0698   0.6061   0.6270
   0.000   0.3318   0.01004   0.00379  -0.0701   0.6010   0.6286
   0.250   0.3601   0.01005   0.00377  -0.0703   0.5960   0.6301
   0.500   0.3882   0.01006   0.00375  -0.0706   0.5907   0.6316
   0.750   0.4164   0.01009   0.00371  -0.0708   0.5859   0.6329
   1.000   0.4444   0.01008   0.00370  -0.0710   0.5813   0.6344
   1.250   0.4723   0.01007   0.00373  -0.0712   0.5765   0.6359
   1.500   0.5001   0.01011   0.00375  -0.0714   0.5719   0.6376
   1.750   0.5283   0.01019   0.00380  -0.0716   0.5676   0.6393
   2.000   0.5560   0.01020   0.00384  -0.0718   0.5628   0.6410
   2.250   0.5838   0.01024   0.00388  -0.0719   0.5583   0.6427
   2.500   0.6119   0.01032   0.00392  -0.0722   0.5542   0.6445
   2.750   0.6397   0.01038   0.00398  -0.0724   0.5498   0.6463
   3.000   0.6673   0.01042   0.00404  -0.0725   0.5450   0.6479
   3.250   0.6949   0.01046   0.00408  -0.0727   0.5408   0.6497
   3.500   0.7228   0.01055   0.00416  -0.0729   0.5369   0.6515
   3.750   0.7499   0.01058   0.00427  -0.0729   0.5328   0.6535
   4.000   0.7772   0.01064   0.00438  -0.0730   0.5286   0.6556
   4.250   0.8045   0.01073   0.00446  -0.0731   0.5243   0.6578
   4.500   0.8313   0.01082   0.00457  -0.0731   0.5191   0.6600
   4.750   0.8574   0.01085   0.00465  -0.0730   0.5128   0.6621
   5.000   0.8842   0.01098   0.00473  -0.0730   0.5076   0.6642
   5.250   0.9101   0.01100   0.00485  -0.0728   0.5021   0.6664
   5.500   0.9357   0.01105   0.00495  -0.0726   0.4960   0.6686
   5.750   0.9614   0.01117   0.00508  -0.0724   0.4901   0.6709
   6.000   0.9866   0.01122   0.00522  -0.0721   0.4839   0.6737
   6.250   1.0117   0.01134   0.00535  -0.0717   0.4776   0.6766
   6.500   1.0367   0.01144   0.00550  -0.0714   0.4710   0.6795
   6.750   1.0606   0.01152   0.00563  -0.0709   0.4636   0.6822
   7.000   1.0843   0.01161   0.00580  -0.0703   0.4557   0.6850
   7.250   1.1069   0.01175   0.00596  -0.0695   0.4471   0.6881
   7.500   1.1299   0.01186   0.00615  -0.0688   0.4378   0.6914
   7.750   1.1512   0.01204   0.00633  -0.0678   0.4276   0.6948
   8.000   1.1710   0.01221   0.00654  -0.0666   0.4158   0.6982
   8.250   1.1899   0.01239   0.00678  -0.0652   0.4020   0.7017
   8.500   1.2050   0.01264   0.00703  -0.0630   0.3861   0.7057
   8.750   1.2174   0.01296   0.00732  -0.0604   0.3676   0.7102
   9.000   1.2281   0.01337   0.00771  -0.0576   0.3459   0.7145
   9.250   1.2345   0.01396   0.00825  -0.0543   0.3186   0.7194
   9.500   1.2374   0.01475   0.00891  -0.0505   0.2936   0.7249
   9.750   1.2418   0.01553   0.00965  -0.0472   0.2766   0.7302
  10.000   1.2475   0.01632   0.01043  -0.0442   0.2617   0.7363
  10.250   1.2548   0.01711   0.01122  -0.0417   0.2465   0.7431
  10.500   1.2613   0.01795   0.01208  -0.0391   0.2273   0.7502
  10.750   1.2629   0.01910   0.01316  -0.0362   0.2063   0.7588
  11.000   1.2638   0.02035   0.01440  -0.0334   0.1883   0.7683
  11.250   1.2649   0.02168   0.01574  -0.0309   0.1727   0.7795
  11.500   1.2654   0.02312   0.01719  -0.0285   0.1575   0.7936
  11.750   1.2656   0.02462   0.01874  -0.0262   0.1435   0.8128
  12.000   1.2650   0.02617   0.02036  -0.0239   0.1307   0.8427
  12.250   1.2699   0.02768   0.02210  -0.0230   0.1181   1.0000
  12.500   1.2712   0.02961   0.02398  -0.0217   0.1064   1.0000
  12.750   1.2719   0.03165   0.02597  -0.0205   0.0962   1.0000
  13.000   1.2740   0.03364   0.02796  -0.0195   0.0866   1.0000
  13.250   1.2761   0.03570   0.03002  -0.0187   0.0784   1.0000
  13.500   1.2764   0.03799   0.03230  -0.0178   0.0710   1.0000
  13.750   1.2784   0.04020   0.03452  -0.0172   0.0643   1.0000
  14.000   1.2797   0.04255   0.03688  -0.0167   0.0581   1.0000
  14.250   1.2801   0.04505   0.03938  -0.0163   0.0528   1.0000
  14.500   1.2818   0.04750   0.04186  -0.0160   0.0476   1.0000
  14.750   1.2811   0.05026   0.04462  -0.0158   0.0430   1.0000
  15.000   1.2828   0.05284   0.04725  -0.0157   0.0392   1.0000
  15.250   1.2833   0.05561   0.05004  -0.0158   0.0358   1.0000
  15.500   1.2817   0.05871   0.05317  -0.0159   0.0326   1.0000
  15.750   1.2844   0.06136   0.05590  -0.0162   0.0300   1.0000
  16.000   1.2814   0.06473   0.05928  -0.0166   0.0273   1.0000
  16.250   1.2820   0.06778   0.06241  -0.0170   0.0254   1.0000
  16.500   1.2834   0.07077   0.06545  -0.0176   0.0233   1.0000
  16.750   1.2793   0.07452   0.06923  -0.0183   0.0214   1.0000
  17.000   1.2793   0.07783   0.07264  -0.0191   0.0200   1.0000
  17.250   1.2793   0.08120   0.07607  -0.0200   0.0186   1.0000
  17.500   1.2756   0.08513   0.08005  -0.0211   0.0173   1.0000
  17.750   1.2706   0.08934   0.08434  -0.0223   0.0163   1.0000
  18.000   1.2709   0.09284   0.08794  -0.0235   0.0153   1.0000
  18.250   1.2689   0.09673   0.09190  -0.0249   0.0142   1.0000
  18.500   1.2637   0.10117   0.09642  -0.0265   0.0136   1.0000
  18.750   1.2570   0.10593   0.10126  -0.0283   0.0127   1.0000
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