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EPPLER 549 AIRFOIL (e549-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 549 AIRFOIL (e549-il)
Reynolds number: 200,000
Max Cl/Cd: 66.08 at α=8.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e549-il-200000-n5.txt
Download as CSV file: xf-e549-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.5616   0.09348   0.08934  -0.0617   1.0000   0.0084
 -14.500  -0.6077   0.08059   0.07610  -0.0690   1.0000   0.0083
 -14.250  -0.6325   0.07330   0.06857  -0.0724   1.0000   0.0082
 -14.000  -0.6525   0.06747   0.06251  -0.0746   1.0000   0.0081
 -13.750  -0.6673   0.06283   0.05767  -0.0758   1.0000   0.0081
 -13.500  -0.6774   0.05924   0.05397  -0.0764   1.0000   0.0082
 -13.250  -0.6860   0.05593   0.05051  -0.0766   1.0000   0.0083
 -13.000  -0.6943   0.05265   0.04702  -0.0763   1.0000   0.0082
 -12.750  -0.6996   0.04993   0.04417  -0.0758   1.0000   0.0083
 -12.500  -0.7026   0.04762   0.04174  -0.0751   1.0000   0.0084
 -12.250  -0.7046   0.04548   0.03950  -0.0741   1.0000   0.0086
 -12.000  -0.7050   0.04340   0.03726  -0.0728   1.0000   0.0086
 -11.750  -0.7047   0.04157   0.03532  -0.0713   1.0000   0.0087
 -11.500  -0.7039   0.03998   0.03364  -0.0696   1.0000   0.0089
 -11.250  -0.7028   0.03849   0.03205  -0.0676   1.0000   0.0090
 -11.000  -0.6877   0.03671   0.03012  -0.0680   0.9965   0.0092
 -10.500  -0.6430   0.03326   0.02637  -0.0705   0.9715   0.0099
 -10.250  -0.6174   0.03179   0.02476  -0.0721   0.9597   0.0102
 -10.000  -0.5894   0.03031   0.02319  -0.0746   0.9490   0.0110
  -9.750  -0.5573   0.02899   0.02181  -0.0777   0.9393   0.0121
  -9.500  -0.5243   0.02766   0.02033  -0.0807   0.9283   0.0132
  -9.250  -0.4942   0.02618   0.01875  -0.0834   0.9153   0.0139
  -9.000  -0.4647   0.02489   0.01737  -0.0861   0.9009   0.0148
  -8.750  -0.4396   0.02371   0.01608  -0.0877   0.8855   0.0161
  -8.500  -0.4197   0.02262   0.01485  -0.0882   0.8701   0.0177
  -8.250  -0.4027   0.02173   0.01388  -0.0880   0.8556   0.0198
  -8.000  -0.3890   0.02089   0.01296  -0.0870   0.8418   0.0227
  -7.750  -0.3780   0.02008   0.01206  -0.0854   0.8291   0.0263
  -7.500  -0.3708   0.01932   0.01123  -0.0831   0.8173   0.0301
  -7.250  -0.3638   0.01870   0.01058  -0.0805   0.8056   0.0364
  -7.000  -0.3529   0.01806   0.00992  -0.0784   0.7955   0.0468
  -6.750  -0.3401   0.01744   0.00930  -0.0766   0.7862   0.0626
  -6.500  -0.3279   0.01678   0.00872  -0.0748   0.7766   0.0859
  -6.250  -0.3149   0.01605   0.00811  -0.0731   0.7684   0.1213
  -6.000  -0.3033   0.01518   0.00748  -0.0713   0.7595   0.1764
  -5.750  -0.2952   0.01394   0.00667  -0.0693   0.7517   0.2753
  -5.500  -0.2882   0.01274   0.00633  -0.0667   0.7435   0.4422
  -5.250  -0.2632   0.01287   0.00652  -0.0660   0.7364   0.5095
  -5.000  -0.2368   0.01302   0.00658  -0.0656   0.7288   0.5336
  -4.750  -0.2096   0.01318   0.00657  -0.0654   0.7226   0.5506
  -4.500  -0.1829   0.01337   0.00669  -0.0651   0.7151   0.5631
  -4.250  -0.1556   0.01366   0.00686  -0.0647   0.7086   0.5762
  -4.000  -0.1288   0.01409   0.00725  -0.0641   0.7014   0.5906
  -3.750  -0.1020   0.01434   0.00737  -0.0637   0.6949   0.6019
  -3.500  -0.0743   0.01439   0.00734  -0.0636   0.6889   0.6047
  -3.250  -0.0470   0.01433   0.00719  -0.0636   0.6822   0.6069
  -3.000  -0.0194   0.01427   0.00698  -0.0637   0.6765   0.6091
  -2.750   0.0077   0.01418   0.00680  -0.0638   0.6697   0.6115
  -2.500   0.0351   0.01409   0.00657  -0.0640   0.6637   0.6138
  -2.250   0.0627   0.01399   0.00632  -0.0642   0.6581   0.6165
  -2.000   0.0901   0.01394   0.00622  -0.0643   0.6518   0.6179
  -1.750   0.1178   0.01390   0.00609  -0.0644   0.6464   0.6191
  -1.500   0.1452   0.01387   0.00601  -0.0645   0.6405   0.6206
  -1.250   0.1727   0.01385   0.00593  -0.0646   0.6348   0.6223
  -1.000   0.2006   0.01385   0.00583  -0.0647   0.6300   0.6242
  -0.750   0.2278   0.01382   0.00577  -0.0649   0.6240   0.6260
  -0.500   0.2554   0.01379   0.00568  -0.0650   0.6186   0.6278
  -0.250   0.2835   0.01379   0.00557  -0.0653   0.6143   0.6297
   0.000   0.3109   0.01377   0.00552  -0.0655   0.6087   0.6317
   0.250   0.3383   0.01378   0.00549  -0.0656   0.6036   0.6334
   0.500   0.3661   0.01381   0.00548  -0.0658   0.5993   0.6349
   0.750   0.3931   0.01383   0.00552  -0.0658   0.5941   0.6365
   1.000   0.4203   0.01386   0.00554  -0.0659   0.5889   0.6381
   1.250   0.4480   0.01390   0.00553  -0.0660   0.5843   0.6398
   1.500   0.4749   0.01393   0.00557  -0.0661   0.5788   0.6417
   1.750   0.5020   0.01397   0.00559  -0.0661   0.5732   0.6436
   2.000   0.5297   0.01402   0.00559  -0.0663   0.5687   0.6457
   2.250   0.5568   0.01408   0.00566  -0.0665   0.5638   0.6481
   2.500   0.5835   0.01414   0.00575  -0.0665   0.5592   0.6499
   2.750   0.6107   0.01421   0.00585  -0.0665   0.5553   0.6516
   3.000   0.6381   0.01430   0.00594  -0.0666   0.5517   0.6534
   3.250   0.6644   0.01438   0.00609  -0.0666   0.5469   0.6554
   3.500   0.6909   0.01446   0.00620  -0.0666   0.5420   0.6575
   3.750   0.7183   0.01456   0.00627  -0.0667   0.5375   0.6598
   4.250   0.7705   0.01476   0.00658  -0.0666   0.5276   0.6646
   4.500   0.7971   0.01487   0.00673  -0.0665   0.5239   0.6666
   4.750   0.8231   0.01499   0.00693  -0.0664   0.5195   0.6690
   5.000   0.8481   0.01510   0.00714  -0.0661   0.5141   0.6716
   5.250   0.8742   0.01523   0.00731  -0.0660   0.5094   0.6743
   5.500   0.8997   0.01536   0.00749  -0.0658   0.5042   0.6771
   5.750   0.9237   0.01548   0.00768  -0.0654   0.4969   0.6800
   6.000   0.9483   0.01559   0.00782  -0.0650   0.4905   0.6823
   6.250   0.9708   0.01571   0.00808  -0.0642   0.4827   0.6849
   6.500   0.9949   0.01585   0.00825  -0.0637   0.4762   0.6879
   6.750   1.0168   0.01600   0.00852  -0.0629   0.4678   0.6912
   7.000   1.0395   0.01616   0.00870  -0.0622   0.4600   0.6950
   7.250   1.0601   0.01632   0.00900  -0.0611   0.4509   0.6982
   7.500   1.0804   0.01650   0.00926  -0.0600   0.4420   0.7017
   7.750   1.0994   0.01669   0.00952  -0.0586   0.4316   0.7058
   8.000   1.1172   0.01692   0.00983  -0.0571   0.4198   0.7100
   8.250   1.1332   0.01715   0.01015  -0.0552   0.4070   0.7138
   8.500   1.1452   0.01741   0.01047  -0.0527   0.3929   0.7179
   8.750   1.1559   0.01775   0.01085  -0.0500   0.3775   0.7227
   9.000   1.1650   0.01822   0.01132  -0.0471   0.3596   0.7278
   9.250   1.1713   0.01880   0.01190  -0.0440   0.3403   0.7328
   9.500   1.1765   0.01950   0.01259  -0.0409   0.3177   0.7390
  10.000   1.1766   0.02153   0.01453  -0.0341   0.2809   0.7526
  10.500   1.1808   0.02388   0.01691  -0.0288   0.2519   0.7691
  10.750   1.1851   0.02509   0.01818  -0.0268   0.2357   0.7786
  11.250   1.1875   0.02809   0.02122  -0.0227   0.1998   0.8034
  11.750   1.1854   0.03163   0.02486  -0.0189   0.1708   0.8449
  12.000   1.1861   0.03341   0.02680  -0.0175   0.1573   0.9072
  12.250   1.1855   0.03535   0.02875  -0.0164   0.1452   1.0000
  12.500   1.1858   0.03757   0.03094  -0.0155   0.1333   1.0000
  12.750   1.1856   0.03991   0.03326  -0.0148   0.1226   1.0000
  13.000   1.1875   0.04214   0.03550  -0.0143   0.1124   1.0000
  13.250   1.1889   0.04449   0.03786  -0.0139   0.1031   1.0000
  13.500   1.1890   0.04705   0.04041  -0.0135   0.0946   1.0000
  13.750   1.1903   0.04955   0.04293  -0.0133   0.0865   1.0000
  14.000   1.1919   0.05209   0.04552  -0.0132   0.0796   1.0000
  14.250   1.1914   0.05493   0.04836  -0.0132   0.0728   1.0000
  14.500   1.1939   0.05752   0.05100  -0.0133   0.0666   1.0000
  14.750   1.1928   0.06056   0.05405  -0.0135   0.0613   1.0000
  15.000   1.1951   0.06328   0.05684  -0.0138   0.0561   1.0000
  15.250   1.1943   0.06644   0.06003  -0.0142   0.0516   1.0000
  15.500   1.1954   0.06943   0.06309  -0.0147   0.0475   1.0000
  15.750   1.1954   0.07263   0.06634  -0.0153   0.0437   1.0000
  16.000   1.1934   0.07614   0.06990  -0.0161   0.0407   1.0000
  16.250   1.1945   0.07931   0.07318  -0.0168   0.0377   1.0000
  16.500   1.1931   0.08290   0.07682  -0.0178   0.0349   1.0000
  16.750   1.1900   0.08679   0.08078  -0.0189   0.0329   1.0000
  17.000   1.1901   0.09027   0.08439  -0.0199   0.0306   1.0000
  17.250   1.1883   0.09409   0.08828  -0.0212   0.0285   1.0000
  17.500   1.1836   0.09843   0.09268  -0.0227   0.0270   1.0000
  17.750   1.1816   0.10241   0.09676  -0.0242   0.0255   1.0000
  18.000   1.1800   0.10637   0.10084  -0.0258   0.0239   1.0000
  18.250   1.1764   0.11071   0.10527  -0.0276   0.0224   1.0000
  18.500   1.1709   0.11543   0.11005  -0.0297   0.0214   1.0000
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