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EPPLER 541 AIRFOIL (e541-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 541 AIRFOIL (e541-il)
Reynolds number: 500,000
Max Cl/Cd: 79.76 at α=5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e541-il-500000-n5.txt
Download as CSV file: xf-e541-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 541 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
  ------ -------- --------- --------- -------- -------- --------
 -13.500  -0.3646   0.10080   0.09831  -0.0859   0.9350   0.0044
 -13.000  -0.4185   0.06726   0.06454  -0.1103   0.9173   0.0040
 -12.750  -0.4473   0.05800   0.05495  -0.1166   0.8999   0.0039
 -12.500  -0.4715   0.05251   0.04919  -0.1176   0.8840   0.0039
 -12.000  -0.5191   0.04396   0.04008  -0.1140   0.8608   0.0038
 -11.750  -0.5397   0.04025   0.03606  -0.1109   0.8522   0.0038
 -11.500  -0.5500   0.03764   0.03319  -0.1080   0.8446   0.0037
 -11.250  -0.5583   0.03503   0.03030  -0.1049   0.8382   0.0037
 -11.000  -0.5669   0.03199   0.02689  -0.1013   0.8320   0.0037
 -10.750  -0.5655   0.02976   0.02435  -0.0986   0.8271   0.0037
 -10.500  -0.5584   0.02792   0.02225  -0.0965   0.8223   0.0036
 -10.250  -0.5469   0.02642   0.02052  -0.0948   0.8178   0.0036
  -9.750  -0.5146   0.02342   0.01704  -0.0923   0.8104   0.0037
  -9.500  -0.4960   0.02242   0.01589  -0.0914   0.8069   0.0036
  -9.250  -0.4766   0.02143   0.01474  -0.0905   0.8036   0.0037
  -9.000  -0.4573   0.02064   0.01381  -0.0896   0.8007   0.0037
  -8.750  -0.4383   0.01983   0.01289  -0.0886   0.7979   0.0038
  -8.500  -0.4200   0.01905   0.01203  -0.0875   0.7949   0.0039
  -8.250  -0.4016   0.01843   0.01132  -0.0864   0.7919   0.0039
  -8.000  -0.3836   0.01784   0.01066  -0.0852   0.7890   0.0040
  -7.750  -0.3661   0.01724   0.00997  -0.0839   0.7864   0.0042
  -7.500  -0.3476   0.01676   0.00943  -0.0828   0.7838   0.0042
  -7.250  -0.3294   0.01626   0.00886  -0.0816   0.7810   0.0044
  -7.000  -0.3125   0.01569   0.00823  -0.0801   0.7784   0.0049
  -6.750  -0.2935   0.01530   0.00780  -0.0790   0.7761   0.0052
  -6.500  -0.2747   0.01491   0.00735  -0.0779   0.7739   0.0059
  -6.250  -0.2553   0.01457   0.00695  -0.0767   0.7719   0.0071
  -6.000  -0.2367   0.01420   0.00656  -0.0755   0.7697   0.0085
  -5.750  -0.2181   0.01385   0.00622  -0.0743   0.7672   0.0118
  -5.500  -0.2007   0.01347   0.00588  -0.0729   0.7648   0.0213
  -5.250  -0.1833   0.01310   0.00557  -0.0714   0.7626   0.0350
  -5.000  -0.1701   0.01260   0.00523  -0.0694   0.7605   0.0703
  -4.750  -0.1608   0.01201   0.00487  -0.0666   0.7585   0.1241
  -4.500  -0.1558   0.01144   0.00455  -0.0630   0.7565   0.1834
  -4.250  -0.1572   0.01086   0.00426  -0.0580   0.7539   0.2536
  -4.000  -0.1571   0.01010   0.00389  -0.0535   0.7512   0.3499
  -3.750  -0.1599   0.00905   0.00335  -0.0486   0.7487   0.4822
  -3.500  -0.1577   0.00818   0.00339  -0.0439   0.7466   0.6823
  -3.250  -0.1297   0.00842   0.00361  -0.0439   0.7452   0.7171
  -3.000  -0.1016   0.00863   0.00373  -0.0441   0.7438   0.7352
  -2.750  -0.0727   0.00902   0.00410  -0.0442   0.7422   0.7464
  -2.500  -0.0439   0.00947   0.00453  -0.0441   0.7403   0.7552
  -2.250  -0.0164   0.00977   0.00477  -0.0441   0.7385   0.7645
  -2.000   0.0125   0.00992   0.00491  -0.0443   0.7369   0.7661
  -1.750   0.0408   0.00991   0.00485  -0.0447   0.7351   0.7668
  -1.500   0.0691   0.00989   0.00479  -0.0451   0.7334   0.7676
  -1.250   0.0976   0.00988   0.00473  -0.0455   0.7318   0.7684
  -1.000   0.1262   0.00986   0.00466  -0.0460   0.7304   0.7692
  -0.750   0.1549   0.00985   0.00460  -0.0465   0.7289   0.7700
  -0.500   0.1824   0.00982   0.00457  -0.0468   0.7270   0.7710
  -0.250   0.2101   0.00979   0.00453  -0.0472   0.7250   0.7719
   0.000   0.2380   0.00975   0.00447  -0.0476   0.7228   0.7728
   0.250   0.2661   0.00971   0.00441  -0.0480   0.7207   0.7737
   0.500   0.2944   0.00967   0.00434  -0.0485   0.7185   0.7748
   0.750   0.3230   0.00963   0.00427  -0.0490   0.7161   0.7759
   1.000   0.3507   0.00958   0.00421  -0.0494   0.7130   0.7768
   1.250   0.3778   0.00953   0.00415  -0.0496   0.7090   0.7777
   1.500   0.4055   0.00947   0.00408  -0.0500   0.7051   0.7785
   1.750   0.4339   0.00944   0.00403  -0.0504   0.7016   0.7789
   2.000   0.4607   0.00942   0.00404  -0.0505   0.6977   0.7794
   2.250   0.4875   0.00940   0.00406  -0.0506   0.6933   0.7800
   2.500   0.5150   0.00939   0.00407  -0.0508   0.6890   0.7806
   2.750   0.5419   0.00938   0.00408  -0.0509   0.6843   0.7811
   3.000   0.5682   0.00937   0.00411  -0.0509   0.6786   0.7817
   3.250   0.5954   0.00936   0.00410  -0.0510   0.6734   0.7822
   3.500   0.6212   0.00935   0.00415  -0.0509   0.6666   0.7828
   3.750   0.6473   0.00935   0.00415  -0.0508   0.6593   0.7834
   4.000   0.6724   0.00935   0.00420  -0.0506   0.6499   0.7841
   4.250   0.6973   0.00936   0.00424  -0.0503   0.6394   0.7847
   4.500   0.7213   0.00938   0.00427  -0.0498   0.6261   0.7855
   4.750   0.7436   0.00943   0.00430  -0.0490   0.6072   0.7862
   5.000   0.7625   0.00956   0.00435  -0.0474   0.5794   0.7870
   5.250   0.7749   0.00985   0.00449  -0.0446   0.5404   0.7882
   5.500   0.7810   0.01030   0.00472  -0.0406   0.4962   0.7894
   5.750   0.7839   0.01072   0.00498  -0.0361   0.4596   0.7906
   6.000   0.7866   0.01123   0.00532  -0.0316   0.4220   0.7916
   6.250   0.7911   0.01184   0.00577  -0.0277   0.3863   0.7926
   6.500   0.7973   0.01244   0.00624  -0.0243   0.3540   0.7934
   6.750   0.8046   0.01305   0.00675  -0.0212   0.3242   0.7941
   7.000   0.8118   0.01372   0.00731  -0.0181   0.2938   0.7949
   7.250   0.8192   0.01443   0.00792  -0.0153   0.2634   0.7957
   7.500   0.8254   0.01526   0.00859  -0.0124   0.2289   0.7966
   7.750   0.8351   0.01599   0.00922  -0.0102   0.2028   0.7974
   8.000   0.8439   0.01680   0.00991  -0.0079   0.1739   0.7983
   8.250   0.8541   0.01759   0.01059  -0.0059   0.1496   0.7994
   8.500   0.8658   0.01834   0.01126  -0.0042   0.1283   0.8004
   8.750   0.8774   0.01912   0.01197  -0.0026   0.1101   0.8013
   9.000   0.8903   0.01986   0.01267  -0.0011   0.0947   0.8022
   9.250   0.9034   0.02061   0.01338   0.0003   0.0810   0.8031
   9.500   0.9165   0.02138   0.01412   0.0016   0.0694   0.8039
   9.750   0.9294   0.02218   0.01488   0.0029   0.0586   0.8047
  10.000   0.9422   0.02301   0.01568   0.0041   0.0486   0.8055
  10.250   0.9558   0.02381   0.01648   0.0052   0.0409   0.8063
  10.500   0.9680   0.02470   0.01736   0.0065   0.0333   0.8070
  10.750   0.9795   0.02563   0.01828   0.0078   0.0267   0.8077
  11.000   0.9920   0.02652   0.01919   0.0089   0.0220   0.8084
  11.250   1.0038   0.02748   0.02018   0.0100   0.0185   0.8092
  11.500   1.0172   0.02835   0.02111   0.0109   0.0166   0.8099
  11.750   1.0293   0.02933   0.02213   0.0120   0.0145   0.8107
  12.000   1.0400   0.03044   0.02327   0.0130   0.0124   0.8115
  12.250   1.0530   0.03140   0.02431   0.0139   0.0112   0.8125
  12.500   1.0645   0.03248   0.02546   0.0148   0.0099   0.8135
  12.750   1.0744   0.03371   0.02670   0.0157   0.0077   0.8145
  13.000   1.0853   0.03490   0.02796   0.0165   0.0066   0.8155
  13.250   1.0947   0.03624   0.02934   0.0173   0.0054   0.8165
  13.500   1.1036   0.03765   0.03082   0.0182   0.0049   0.8174
  13.750   1.1124   0.03911   0.03239   0.0189   0.0043   0.8182
  14.000   1.1203   0.04069   0.03403   0.0196   0.0037   0.8191
  14.250   1.1273   0.04239   0.03580   0.0203   0.0034   0.8199
  14.500   1.1316   0.04438   0.03788   0.0210   0.0030   0.8207
  14.750   1.1379   0.04619   0.03981   0.0216   0.0029   0.8215
  15.000   1.1425   0.04824   0.04198   0.0221   0.0027   0.8224
  15.250   1.1464   0.05041   0.04427   0.0225   0.0026   0.8232
  15.500   1.1506   0.05262   0.04659   0.0227   0.0024   0.8240
  15.750   1.1526   0.05513   0.04923   0.0229   0.0022   0.8249
  16.000   1.1543   0.05776   0.05198   0.0229   0.0022   0.8258
  16.250   1.1547   0.06064   0.05498   0.0228   0.0021   0.8267
  16.500   1.1543   0.06372   0.05818   0.0225   0.0020   0.8276
  16.750   1.1528   0.06703   0.06163   0.0219   0.0019   0.8285
  17.000   1.1480   0.07091   0.06565   0.0211   0.0019   0.8294
  17.250   1.1444   0.07477   0.06965   0.0201   0.0018   0.8303
  17.500   1.1331   0.07993   0.07496   0.0185   0.0017   0.8311
  17.750   1.1241   0.08495   0.08013   0.0167   0.0017   0.8319
  18.000   1.1179   0.08970   0.08501   0.0147   0.0017   0.8327
  18.250   1.1032   0.09603   0.09151   0.0120   0.0017   0.8334
  18.500   1.0993   0.10072   0.09633   0.0097   0.0017   0.8342
  19.000   1.0753   0.11330   0.10921   0.0033   0.0017   0.8356
  19.250   1.0589   0.12067   0.11673  -0.0006   0.0016   0.8362
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