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EPPLER 397 AIRFOIL (e397-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 397 AIRFOIL (e397-il)
Reynolds number: 1,000,000
Max Cl/Cd: 169.21 at α=4.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e397-il-1000000.txt
Download as CSV file: xf-e397-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 397 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.4658   0.11680   0.11494  -0.0576   1.0000   0.0042
 -14.500  -0.4963   0.10498   0.10299  -0.0640   0.9995   0.0041
 -14.250  -0.5129   0.09564   0.09351  -0.0706   0.9987   0.0039
 -14.000  -0.5270   0.08686   0.08463  -0.0774   0.9975   0.0039
 -13.750  -0.5381   0.07866   0.07633  -0.0844   0.9959   0.0039
 -13.500  -0.5484   0.07063   0.06817  -0.0920   0.9940   0.0038
 -13.250  -0.5649   0.06227   0.05970  -0.0997   0.9904   0.0038
 -13.000  -0.5733   0.05477   0.05208  -0.1078   0.9859   0.0037
 -12.750  -0.5834   0.04715   0.04433  -0.1161   0.9787   0.0037
 -12.500  -0.5975   0.03900   0.03601  -0.1250   0.9631   0.0037
 -12.250  -0.5858   0.03092   0.02769  -0.1391   0.9505   0.0038
 -12.000  -0.5524   0.02408   0.02051  -0.1566   0.9335   0.0038
 -11.750  -0.5328   0.02162   0.01777  -0.1614   0.9120   0.0038
 -11.500  -0.5196   0.02022   0.01617  -0.1618   0.8943   0.0039
 -11.250  -0.5043   0.01910   0.01489  -0.1617   0.8807   0.0040
 -10.750  -0.4676   0.01724   0.01273  -0.1613   0.8595   0.0044
 -10.500  -0.4467   0.01647   0.01181  -0.1612   0.8508   0.0046
 -10.250  -0.4249   0.01571   0.01093  -0.1611   0.8424   0.0047
 -10.000  -0.4011   0.01518   0.01028  -0.1610   0.8351   0.0050
  -9.750  -0.3796   0.01413   0.00907  -0.1611   0.8277   0.0054
  -9.500  -0.3550   0.01354   0.00838  -0.1611   0.8216   0.0059
  -9.250  -0.3295   0.01306   0.00782  -0.1612   0.8152   0.0065
  -9.000  -0.3036   0.01265   0.00729  -0.1612   0.8093   0.0070
  -8.750  -0.2780   0.01202   0.00659  -0.1614   0.8037   0.0082
  -8.500  -0.2513   0.01162   0.00612  -0.1616   0.7982   0.0095
  -8.250  -0.2248   0.01120   0.00562  -0.1617   0.7932   0.0119
  -8.000  -0.1976   0.01078   0.00517  -0.1619   0.7885   0.0155
  -7.750  -0.1703   0.01043   0.00480  -0.1621   0.7835   0.0198
  -7.500  -0.1429   0.01016   0.00450  -0.1623   0.7787   0.0242
  -7.250  -0.1150   0.00988   0.00421  -0.1626   0.7745   0.0291
  -7.000  -0.0870   0.00961   0.00394  -0.1629   0.7701   0.0345
  -6.750  -0.0591   0.00937   0.00369  -0.1631   0.7658   0.0413
  -6.500  -0.0310   0.00917   0.00347  -0.1633   0.7616   0.0486
  -6.250  -0.0026   0.00895   0.00326  -0.1636   0.7577   0.0569
  -6.000   0.0257   0.00874   0.00307  -0.1639   0.7537   0.0680
  -5.750   0.0540   0.00855   0.00289  -0.1642   0.7498   0.0799
  -5.500   0.0825   0.00840   0.00273  -0.1645   0.7460   0.0908
  -5.250   0.1112   0.00821   0.00258  -0.1648   0.7425   0.1035
  -5.000   0.1398   0.00805   0.00244  -0.1651   0.7388   0.1176
  -4.750   0.1684   0.00792   0.00231  -0.1654   0.7352   0.1321
  -4.500   0.1971   0.00782   0.00221  -0.1657   0.7315   0.1469
  -4.250   0.2260   0.00768   0.00211  -0.1660   0.7283   0.1618
  -4.000   0.2548   0.00756   0.00202  -0.1663   0.7249   0.1775
  -3.500   0.3123   0.00740   0.00188  -0.1668   0.7179   0.2105
  -3.250   0.3412   0.00732   0.00183  -0.1671   0.7148   0.2267
  -3.000   0.3701   0.00724   0.00178  -0.1674   0.7116   0.2424
  -2.750   0.3990   0.00717   0.00174  -0.1677   0.7082   0.2588
  -2.500   0.4277   0.00713   0.00171  -0.1680   0.7049   0.2752
  -2.250   0.4566   0.00713   0.00169  -0.1682   0.7014   0.2903
  -2.000   0.4854   0.00706   0.00168  -0.1685   0.6986   0.3064
  -1.750   0.5142   0.00701   0.00166  -0.1688   0.6953   0.3217
  -1.500   0.5430   0.00698   0.00165  -0.1690   0.6921   0.3380
  -1.250   0.5716   0.00697   0.00165  -0.1692   0.6888   0.3534
  -1.000   0.6004   0.00697   0.00167  -0.1695   0.6855   0.3703
  -0.750   0.6291   0.00693   0.00168  -0.1698   0.6824   0.3873
  -0.500   0.6578   0.00690   0.00170  -0.1700   0.6790   0.4054
  -0.250   0.6864   0.00689   0.00172  -0.1702   0.6757   0.4237
   0.000   0.7149   0.00691   0.00175  -0.1704   0.6721   0.4429
   0.250   0.7435   0.00689   0.00179  -0.1706   0.6689   0.4625
   0.500   0.7719   0.00686   0.00183  -0.1708   0.6652   0.4834
   0.750   0.8003   0.00686   0.00187  -0.1710   0.6614   0.5050
   1.000   0.8284   0.00688   0.00192  -0.1711   0.6574   0.5271
   1.250   0.8567   0.00688   0.00198  -0.1713   0.6536   0.5506
   1.500   0.8849   0.00685   0.00204  -0.1715   0.6494   0.5748
   1.750   0.9128   0.00686   0.00210  -0.1715   0.6450   0.6005
   2.000   0.9405   0.00690   0.00217  -0.1716   0.6403   0.6261
   2.250   0.9685   0.00687   0.00225  -0.1717   0.6355   0.6527
   2.500   0.9958   0.00688   0.00232  -0.1716   0.6299   0.6803
   2.750   1.0229   0.00691   0.00240  -0.1715   0.6240   0.7087
   3.000   1.0497   0.00691   0.00248  -0.1713   0.6159   0.7381
   3.250   1.0756   0.00693   0.00257  -0.1710   0.6065   0.7689
   3.500   1.1008   0.00698   0.00266  -0.1705   0.5967   0.8028
   3.750   1.1263   0.00699   0.00277  -0.1700   0.5881   0.8399
   4.000   1.1487   0.00701   0.00288  -0.1688   0.5793   0.8857
   4.250   1.1685   0.00692   0.00292  -0.1670   0.5707   1.0000
   4.500   1.1946   0.00706   0.00303  -0.1667   0.5606   1.0000
   4.750   1.2197   0.00723   0.00317  -0.1663   0.5483   1.0000
   5.000   1.2444   0.00742   0.00331  -0.1658   0.5361   1.0000
   5.250   1.2691   0.00761   0.00347  -0.1653   0.5226   1.0000
   5.500   1.2925   0.00784   0.00366  -0.1646   0.5070   1.0000
   5.750   1.3149   0.00811   0.00387  -0.1637   0.4888   1.0000
   6.000   1.3356   0.00845   0.00412  -0.1624   0.4657   1.0000
   6.250   1.3538   0.00888   0.00443  -0.1608   0.4379   1.0000
   6.500   1.3701   0.00938   0.00479  -0.1587   0.4078   1.0000
   6.750   1.3830   0.00994   0.00519  -0.1561   0.3754   1.0000
   7.000   1.3934   0.01054   0.00564  -0.1529   0.3444   1.0000
   7.250   1.4008   0.01126   0.00618  -0.1493   0.3095   1.0000
   7.500   1.4078   0.01203   0.00677  -0.1457   0.2749   1.0000
   7.750   1.4150   0.01282   0.00740  -0.1423   0.2433   1.0000
   8.000   1.4231   0.01360   0.00804  -0.1391   0.2172   1.0000
   8.250   1.4297   0.01448   0.00878  -0.1359   0.1907   1.0000
   8.500   1.4349   0.01546   0.00962  -0.1325   0.1640   1.0000
   8.750   1.4416   0.01643   0.01048  -0.1295   0.1410   1.0000
   9.000   1.4461   0.01757   0.01150  -0.1263   0.1175   1.0000
   9.250   1.4505   0.01880   0.01260  -0.1233   0.0969   1.0000
   9.500   1.4570   0.01997   0.01369  -0.1208   0.0794   1.0000
   9.750   1.4586   0.02151   0.01509  -0.1177   0.0568   1.0000
  10.000   1.4675   0.02266   0.01622  -0.1157   0.0495   1.0000
  10.250   1.4790   0.02367   0.01725  -0.1140   0.0467   1.0000
  10.500   1.4885   0.02486   0.01845  -0.1122   0.0432   1.0000
  10.750   1.4990   0.02601   0.01963  -0.1106   0.0403   1.0000
  11.000   1.5134   0.02689   0.02058  -0.1095   0.0390   1.0000
  11.250   1.5251   0.02800   0.02171  -0.1081   0.0364   1.0000
  11.500   1.5337   0.02938   0.02311  -0.1065   0.0331   1.0000
  11.750   1.5461   0.03049   0.02425  -0.1054   0.0306   1.0000
  12.000   1.5548   0.03191   0.02565  -0.1040   0.0257   1.0000
  12.250   1.5624   0.03348   0.02720  -0.1025   0.0205   1.0000
  12.500   1.5684   0.03523   0.02894  -0.1011   0.0163   1.0000
  12.750   1.5757   0.03692   0.03065  -0.0998   0.0138   1.0000
  13.000   1.5822   0.03872   0.03248  -0.0985   0.0117   1.0000
  13.250   1.5883   0.04061   0.03441  -0.0973   0.0101   1.0000
  13.500   1.5953   0.04246   0.03631  -0.0963   0.0088   1.0000
  13.750   1.6008   0.04449   0.03838  -0.0952   0.0077   1.0000
  14.000   1.6065   0.04657   0.04052  -0.0943   0.0068   1.0000
  14.250   1.6125   0.04865   0.04266  -0.0934   0.0060   1.0000
  14.500   1.6147   0.05122   0.04528  -0.0925   0.0052   1.0000
  14.750   1.6213   0.05335   0.04748  -0.0918   0.0049   1.0000
  15.000   1.6266   0.05565   0.04985  -0.0912   0.0045   1.0000
  15.250   1.6300   0.05824   0.05252  -0.0907   0.0042   1.0000
  15.500   1.6313   0.06115   0.05550  -0.0902   0.0039   1.0000
  15.750   1.6325   0.06416   0.05859  -0.0898   0.0036   1.0000
  16.000   1.6359   0.06693   0.06145  -0.0896   0.0034   1.0000
  16.250   1.6378   0.06994   0.06456  -0.0894   0.0033   1.0000
  16.500   1.6401   0.07297   0.06767  -0.0894   0.0031   1.0000
  16.750   1.6407   0.07629   0.07107  -0.0895   0.0029   1.0000
  17.000   1.6397   0.07992   0.07479  -0.0897   0.0028   1.0000
  17.250   1.6367   0.08390   0.07887  -0.0901   0.0027   1.0000
  17.500   1.6301   0.08853   0.08362  -0.0908   0.0025   1.0000
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