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EPPLER 549 AIRFOIL (e549-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 549 AIRFOIL (e549-il)
Reynolds number: 500,000
Max Cl/Cd: 90.32 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e549-il-500000-n5.txt
Download as CSV file: xf-e549-il-500000-n5.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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.250  -0.5892   0.13226   0.12948  -0.0384   1.0000   0.0040
 -17.000  -0.6472   0.11398   0.11098  -0.0469   1.0000   0.0039
 -16.750  -0.6717   0.10419   0.10104  -0.0519   1.0000   0.0039
 -16.500  -0.6983   0.09437   0.09104  -0.0572   1.0000   0.0038
 -16.250  -0.7215   0.08592   0.08241  -0.0617   1.0000   0.0038
 -16.000  -0.7349   0.07977   0.07613  -0.0648   1.0000   0.0038
 -15.750  -0.7483   0.07398   0.07020  -0.0675   1.0000   0.0038
 -15.500  -0.7640   0.06822   0.06426  -0.0699   1.0000   0.0038
 -15.250  -0.7762   0.06336   0.05922  -0.0716   1.0000   0.0039
 -15.000  -0.7811   0.05975   0.05550  -0.0727   1.0000   0.0038
 -14.750  -0.7874   0.05614   0.05176  -0.0734   1.0000   0.0038
 -14.500  -0.7920   0.05291   0.04839  -0.0739   1.0000   0.0039
 -14.250  -0.7951   0.05001   0.04536  -0.0740   1.0000   0.0039
 -14.000  -0.7966   0.04743   0.04267  -0.0739   1.0000   0.0039
 -13.750  -0.7975   0.04506   0.04019  -0.0735   1.0000   0.0039
 -13.500  -0.7976   0.04285   0.03786  -0.0729   1.0000   0.0039
 -13.250  -0.7959   0.04090   0.03582  -0.0722   1.0000   0.0040
 -13.000  -0.7926   0.03920   0.03405  -0.0714   1.0000   0.0039
 -12.750  -0.7908   0.03741   0.03215  -0.0703   1.0000   0.0040
 -12.500  -0.7920   0.03546   0.03011  -0.0688   1.0000   0.0041
 -12.250  -0.7923   0.03370   0.02829  -0.0672   1.0000   0.0042
 -12.000  -0.7690   0.03204   0.02654  -0.0695   0.9957   0.0042
 -11.750  -0.7567   0.03039   0.02483  -0.0697   0.9787   0.0042
 -11.500  -0.7311   0.02882   0.02318  -0.0723   0.9586   0.0044
 -11.250  -0.6945   0.02724   0.02150  -0.0771   0.9463   0.0046
 -11.000  -0.6499   0.02566   0.01981  -0.0834   0.9354   0.0047
 -10.750  -0.6019   0.02420   0.01821  -0.0903   0.9193   0.0049
 -10.500  -0.5638   0.02300   0.01686  -0.0948   0.8977   0.0053
 -10.250  -0.5411   0.02212   0.01582  -0.0959   0.8735   0.0053
 -10.000  -0.5260   0.02135   0.01491  -0.0952   0.8536   0.0055
  -9.750  -0.5137   0.02058   0.01400  -0.0940   0.8365   0.0058
  -9.500  -0.5038   0.01973   0.01306  -0.0924   0.8217   0.0062
  -9.250  -0.4921   0.01901   0.01225  -0.0909   0.8086   0.0064
  -9.000  -0.4795   0.01837   0.01152  -0.0895   0.7966   0.0067
  -8.750  -0.4678   0.01772   0.01078  -0.0879   0.7853   0.0072
  -8.500  -0.4562   0.01708   0.01006  -0.0862   0.7745   0.0077
  -8.250  -0.4460   0.01645   0.00935  -0.0842   0.7647   0.0082
  -8.000  -0.4384   0.01591   0.00873  -0.0816   0.7548   0.0088
  -7.750  -0.4276   0.01549   0.00824  -0.0793   0.7459   0.0097
  -7.500  -0.4120   0.01510   0.00778  -0.0777   0.7378   0.0108
  -7.250  -0.3954   0.01469   0.00734  -0.0763   0.7294   0.0134
  -7.000  -0.3782   0.01429   0.00690  -0.0749   0.7216   0.0165
  -6.750  -0.3592   0.01390   0.00650  -0.0739   0.7136   0.0213
  -6.500  -0.3399   0.01353   0.00611  -0.0728   0.7067   0.0287
  -6.250  -0.3197   0.01313   0.00575  -0.0719   0.6996   0.0396
  -6.000  -0.2994   0.01274   0.00539  -0.0711   0.6927   0.0551
  -5.750  -0.2784   0.01232   0.00503  -0.0703   0.6858   0.0773
  -5.500  -0.2579   0.01185   0.00467  -0.0696   0.6787   0.1102
  -5.250  -0.2378   0.01126   0.00427  -0.0688   0.6722   0.1606
  -5.000  -0.2196   0.01042   0.00376  -0.0680   0.6657   0.2461
  -4.750  -0.2043   0.00917   0.00307  -0.0670   0.6600   0.3900
  -4.500  -0.1815   0.00870   0.00295  -0.0665   0.6536   0.4897
  -4.250  -0.1541   0.00870   0.00291  -0.0665   0.6472   0.5127
  -4.000  -0.1261   0.00873   0.00290  -0.0666   0.6411   0.5286
  -3.750  -0.0980   0.00878   0.00288  -0.0667   0.6349   0.5417
  -3.500  -0.0700   0.00889   0.00290  -0.0668   0.6294   0.5547
  -3.250  -0.0418   0.00902   0.00301  -0.0668   0.6234   0.5670
  -3.000  -0.0139   0.00910   0.00304  -0.0668   0.6173   0.5737
  -2.750   0.0143   0.00910   0.00298  -0.0670   0.6117   0.5756
  -2.500   0.0427   0.00910   0.00292  -0.0672   0.6059   0.5773
  -2.250   0.0708   0.00912   0.00285  -0.0674   0.6002   0.5788
  -2.000   0.0992   0.00911   0.00279  -0.0676   0.5950   0.5802
  -1.750   0.1276   0.00912   0.00273  -0.0678   0.5895   0.5817
  -1.500   0.1555   0.00915   0.00268  -0.0680   0.5841   0.5833
  -1.250   0.1840   0.00916   0.00264  -0.0682   0.5785   0.5848
  -1.000   0.2120   0.00917   0.00261  -0.0684   0.5725   0.5860
  -0.750   0.2398   0.00920   0.00259  -0.0685   0.5673   0.5872
  -0.500   0.2681   0.00920   0.00258  -0.0687   0.5620   0.5884
  -0.250   0.2960   0.00923   0.00258  -0.0689   0.5567   0.5896
   0.000   0.3238   0.00927   0.00258  -0.0690   0.5521   0.5910
   0.250   0.3521   0.00930   0.00260  -0.0692   0.5475   0.5926
   0.500   0.3801   0.00934   0.00261  -0.0694   0.5428   0.5942
   0.750   0.4078   0.00939   0.00263  -0.0695   0.5384   0.5958
   1.000   0.4359   0.00943   0.00266  -0.0697   0.5342   0.5972
   1.250   0.4640   0.00947   0.00269  -0.0699   0.5298   0.5987
   1.500   0.4917   0.00953   0.00272  -0.0701   0.5255   0.6001
   1.750   0.5192   0.00960   0.00277  -0.0701   0.5216   0.6014
   2.000   0.5471   0.00962   0.00282  -0.0703   0.5173   0.6027
   2.250   0.5747   0.00967   0.00288  -0.0704   0.5129   0.6041
   2.500   0.6020   0.00974   0.00296  -0.0705   0.5090   0.6057
   2.750   0.6294   0.00981   0.00304  -0.0706   0.5051   0.6075
   3.000   0.6570   0.00987   0.00312  -0.0707   0.5007   0.6093
   3.250   0.6842   0.00994   0.00321  -0.0708   0.4964   0.6111
   3.500   0.7111   0.01004   0.00330  -0.0707   0.4924   0.6129
   3.750   0.7385   0.01012   0.00339  -0.0708   0.4887   0.6146
   4.000   0.7659   0.01019   0.00350  -0.0709   0.4848   0.6162
   4.250   0.7925   0.01027   0.00361  -0.0709   0.4804   0.6178
   4.500   0.8185   0.01038   0.00373  -0.0707   0.4754   0.6195
   4.750   0.8449   0.01045   0.00385  -0.0707   0.4685   0.6213
   5.000   0.8699   0.01058   0.00398  -0.0703   0.4615   0.6232
   5.250   0.8961   0.01067   0.00412  -0.0702   0.4553   0.6254
   5.500   0.9210   0.01080   0.00427  -0.0698   0.4477   0.6278
   5.750   0.9462   0.01092   0.00442  -0.0696   0.4400   0.6301
   6.000   0.9705   0.01108   0.00458  -0.0691   0.4320   0.6323
   6.250   0.9950   0.01120   0.00475  -0.0687   0.4234   0.6343
   6.500   1.0179   0.01137   0.00495  -0.0680   0.4143   0.6364
   6.750   1.0408   0.01154   0.00514  -0.0673   0.4029   0.6387
   7.000   1.0622   0.01176   0.00536  -0.0664   0.3895   0.6412
   7.250   1.0817   0.01203   0.00562  -0.0651   0.3735   0.6438
   7.500   1.0987   0.01236   0.00590  -0.0634   0.3557   0.6465
   7.750   1.1126   0.01272   0.00621  -0.0611   0.3330   0.6489
   8.000   1.1208   0.01325   0.00664  -0.0578   0.3040   0.6515
   8.250   1.1292   0.01387   0.00718  -0.0548   0.2839   0.6545
   8.500   1.1405   0.01442   0.00770  -0.0523   0.2705   0.6579
   8.750   1.1527   0.01495   0.00823  -0.0501   0.2575   0.6614
   9.000   1.1649   0.01551   0.00878  -0.0479   0.2442   0.6648
   9.250   1.1750   0.01614   0.00941  -0.0455   0.2260   0.6684
   9.500   1.1812   0.01697   0.01017  -0.0428   0.2056   0.6722
   9.750   1.1860   0.01792   0.01106  -0.0400   0.1862   0.6762
  10.250   1.1960   0.01999   0.01307  -0.0350   0.1556   0.6844
  10.500   1.2005   0.02115   0.01422  -0.0328   0.1413   0.6892
  10.750   1.2065   0.02231   0.01538  -0.0308   0.1303   0.6942
  11.000   1.2108   0.02363   0.01669  -0.0289   0.1186   0.6992
  11.250   1.2153   0.02500   0.01807  -0.0271   0.1086   0.7052
  11.750   1.2246   0.02791   0.02103  -0.0241   0.0893   0.7186
  12.000   1.2276   0.02958   0.02272  -0.0226   0.0803   0.7263
  12.250   1.2303   0.03132   0.02448  -0.0213   0.0723   0.7346
  12.500   1.2349   0.03298   0.02620  -0.0202   0.0655   0.7437
  12.750   1.2379   0.03481   0.02808  -0.0191   0.0596   0.7541
  13.000   1.2414   0.03667   0.02999  -0.0182   0.0535   0.7658
  13.250   1.2445   0.03860   0.03199  -0.0174   0.0486   0.7799
  13.500   1.2484   0.04049   0.03400  -0.0166   0.0445   0.7983
  13.750   1.2505   0.04253   0.03615  -0.0158   0.0407   0.8240
  14.000   1.2541   0.04437   0.03826  -0.0150   0.0369   0.9021
  14.500   1.2653   0.04907   0.04308  -0.0159   0.0302   1.0000
  14.750   1.2672   0.05160   0.04563  -0.0158   0.0273   1.0000
  15.000   1.2706   0.05403   0.04811  -0.0158   0.0250   1.0000
  15.250   1.2731   0.05662   0.05074  -0.0159   0.0227   1.0000
  15.500   1.2746   0.05938   0.05354  -0.0161   0.0207   1.0000
  15.750   1.2778   0.06198   0.05621  -0.0164   0.0190   1.0000
  16.000   1.2782   0.06497   0.05924  -0.0168   0.0170   1.0000
  16.250   1.2802   0.06785   0.06218  -0.0172   0.0160   1.0000
  16.500   1.2819   0.07080   0.06519  -0.0178   0.0144   1.0000
  16.750   1.2815   0.07407   0.06850  -0.0185   0.0130   1.0000
  17.000   1.2827   0.07720   0.07172  -0.0192   0.0122   1.0000
  17.250   1.2836   0.08042   0.07502  -0.0200   0.0114   1.0000
  17.500   1.2830   0.08390   0.07856  -0.0210   0.0104   1.0000
  17.750   1.2817   0.08755   0.08227  -0.0221   0.0098   1.0000
  18.000   1.2821   0.09100   0.08581  -0.0232   0.0092   1.0000
  18.250   1.2811   0.09468   0.08957  -0.0245   0.0084   1.0000
  18.500   1.2794   0.09855   0.09354  -0.0259   0.0081   1.0000
  18.750   1.2761   0.10271   0.09776  -0.0274   0.0073   1.0000
  19.000   1.2744   0.10668   0.10183  -0.0290   0.0071   1.0000
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