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EPPLER 547 AIRFOIL (e547-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 547 AIRFOIL (e547-il)
Reynolds number: 1,000,000
Max Cl/Cd: 111.7 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e547-il-1000000.txt
Download as CSV file: xf-e547-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 547 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
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.2818   0.14295   0.14137  -0.0380   1.0000   0.0101
 -15.500  -0.2826   0.14029   0.13871  -0.0393   1.0000   0.0104
 -15.250  -0.4260   0.15226   0.15051  -0.0303   1.0000   0.0093
 -11.250  -0.7613   0.03243   0.02848  -0.0619   0.9938   0.0064
 -11.000  -0.7455   0.03125   0.02720  -0.0621   0.9750   0.0063
 -10.750  -0.7224   0.02737   0.02310  -0.0640   0.9615   0.0059
 -10.500  -0.6854   0.02451   0.01995  -0.0681   0.9519   0.0056
 -10.250  -0.6381   0.02209   0.01726  -0.0735   0.9442   0.0055
 -10.000  -0.5869   0.02026   0.01522  -0.0795   0.9310   0.0054
  -9.750  -0.5445   0.01909   0.01385  -0.0837   0.9052   0.0054
  -9.500  -0.5243   0.01837   0.01294  -0.0832   0.8774   0.0054
  -9.250  -0.5101   0.01772   0.01214  -0.0816   0.8562   0.0053
  -9.000  -0.4972   0.01706   0.01136  -0.0796   0.8389   0.0055
  -8.750  -0.4843   0.01643   0.01062  -0.0777   0.8239   0.0056
  -8.500  -0.4716   0.01580   0.00989  -0.0757   0.8107   0.0056
  -8.250  -0.4578   0.01528   0.00928  -0.0738   0.7985   0.0056
  -8.000  -0.4448   0.01473   0.00863  -0.0718   0.7872   0.0059
  -7.750  -0.4308   0.01422   0.00805  -0.0699   0.7767   0.0060
  -7.500  -0.4170   0.01376   0.00752  -0.0679   0.7668   0.0061
  -7.250  -0.4033   0.01334   0.00703  -0.0658   0.7565   0.0062
  -7.000  -0.3967   0.01272   0.00633  -0.0624   0.7474   0.0066
  -6.750  -0.3854   0.01242   0.00596  -0.0597   0.7386   0.0069
  -6.500  -0.3685   0.01212   0.00563  -0.0579   0.7304   0.0082
  -6.250  -0.3523   0.01177   0.00522  -0.0560   0.7225   0.0095
  -6.000  -0.3334   0.01145   0.00487  -0.0546   0.7145   0.0118
  -5.750  -0.3157   0.01110   0.00451  -0.0530   0.7067   0.0190
  -5.500  -0.2965   0.01074   0.00422  -0.0518   0.6991   0.0319
  -5.250  -0.2768   0.01043   0.00395  -0.0506   0.6920   0.0490
  -5.000  -0.2561   0.01009   0.00370  -0.0496   0.6850   0.0723
  -4.500  -0.2179   0.00919   0.00315  -0.0472   0.6711   0.1678
  -4.250  -0.2038   0.00834   0.00274  -0.0454   0.6642   0.2818
  -4.000  -0.1962   0.00679   0.00204  -0.0428   0.6579   0.5009
  -3.750  -0.1743   0.00637   0.00199  -0.0419   0.6514   0.6142
  -3.500  -0.1464   0.00646   0.00201  -0.0419   0.6452   0.6365
  -3.250  -0.1179   0.00651   0.00205  -0.0421   0.6389   0.6466
  -3.000  -0.0895   0.00659   0.00203  -0.0423   0.6324   0.6533
  -2.750  -0.0610   0.00667   0.00210  -0.0424   0.6264   0.6604
  -2.500  -0.0325   0.00682   0.00217  -0.0426   0.6203   0.6679
  -2.250  -0.0045   0.00696   0.00230  -0.0426   0.6145   0.6751
  -2.000   0.0243   0.00718   0.00248  -0.0427   0.6088   0.6836
  -1.750   0.0524   0.00730   0.00262  -0.0427   0.6027   0.6894
  -1.500   0.0809   0.00734   0.00261  -0.0430   0.5973   0.6910
  -1.250   0.1097   0.00734   0.00257  -0.0433   0.5918   0.6922
  -1.000   0.1380   0.00736   0.00253  -0.0436   0.5863   0.6932
  -0.750   0.1667   0.00737   0.00250  -0.0439   0.5812   0.6942
  -0.500   0.1954   0.00739   0.00247  -0.0442   0.5757   0.6953
  -0.250   0.2236   0.00743   0.00245  -0.0445   0.5705   0.6963
   0.000   0.2523   0.00744   0.00243  -0.0448   0.5657   0.6971
   0.250   0.2809   0.00746   0.00242  -0.0452   0.5606   0.6978
   0.500   0.3091   0.00751   0.00242  -0.0454   0.5555   0.6984
   0.750   0.3374   0.00749   0.00237  -0.0457   0.5510   0.6996
   1.000   0.3659   0.00748   0.00236  -0.0461   0.5462   0.7007
   1.250   0.3939   0.00751   0.00237  -0.0463   0.5413   0.7018
   1.500   0.4219   0.00755   0.00239  -0.0465   0.5368   0.7027
   1.750   0.4505   0.00757   0.00241  -0.0468   0.5322   0.7036
   2.000   0.4786   0.00761   0.00244  -0.0471   0.5275   0.7046
   2.250   0.5060   0.00769   0.00249  -0.0472   0.5225   0.7055
   2.500   0.5347   0.00770   0.00252  -0.0476   0.5183   0.7065
   2.750   0.5627   0.00775   0.00256  -0.0478   0.5132   0.7074
   3.000   0.5898   0.00783   0.00262  -0.0479   0.5079   0.7085
   3.250   0.6182   0.00786   0.00266  -0.0482   0.5032   0.7095
   3.500   0.6460   0.00791   0.00271  -0.0484   0.4979   0.7105
   3.750   0.6728   0.00802   0.00278  -0.0484   0.4923   0.7116
   4.000   0.7011   0.00805   0.00284  -0.0488   0.4876   0.7126
   4.250   0.7286   0.00812   0.00291  -0.0489   0.4823   0.7135
   4.500   0.7551   0.00823   0.00300  -0.0489   0.4768   0.7143
   4.750   0.7830   0.00823   0.00304  -0.0492   0.4718   0.7157
   5.000   0.8099   0.00829   0.00312  -0.0492   0.4661   0.7169
   5.250   0.8362   0.00838   0.00322  -0.0492   0.4602   0.7181
   5.500   0.8634   0.00844   0.00331  -0.0493   0.4537   0.7192
   5.750   0.8888   0.00857   0.00343  -0.0491   0.4465   0.7204
   6.000   0.9160   0.00863   0.00353  -0.0492   0.4399   0.7215
   6.500   0.9675   0.00885   0.00377  -0.0489   0.4237   0.7241
   6.750   0.9922   0.00900   0.00392  -0.0486   0.4145   0.7254
   7.000   1.0169   0.00915   0.00407  -0.0483   0.4034   0.7267
   7.250   1.0410   0.00932   0.00423  -0.0479   0.3908   0.7281
   7.500   1.0637   0.00955   0.00442  -0.0472   0.3756   0.7293
   7.750   1.0842   0.00982   0.00464  -0.0461   0.3567   0.7308
   8.000   1.1035   0.01013   0.00489  -0.0449   0.3341   0.7325
   8.250   1.1194   0.01056   0.00522  -0.0431   0.3080   0.7341
   8.500   1.1307   0.01107   0.00561  -0.0404   0.2790   0.7357
   8.750   1.1387   0.01160   0.00602  -0.0371   0.2522   0.7374
   9.000   1.1493   0.01212   0.00646  -0.0344   0.2302   0.7392
   9.250   1.1588   0.01270   0.00695  -0.0315   0.2104   0.7410
   9.500   1.1676   0.01331   0.00748  -0.0287   0.1903   0.7428
   9.750   1.1765   0.01393   0.00803  -0.0260   0.1729   0.7445
  10.000   1.1846   0.01459   0.00864  -0.0232   0.1571   0.7464
  10.250   1.1912   0.01532   0.00933  -0.0204   0.1416   0.7488
  10.500   1.1955   0.01620   0.01015  -0.0175   0.1256   0.7512
  10.750   1.1997   0.01715   0.01106  -0.0147   0.1107   0.7537
  11.000   1.2040   0.01818   0.01204  -0.0122   0.0976   0.7562
  11.250   1.2121   0.01909   0.01295  -0.0103   0.0895   0.7586
  11.500   1.2157   0.02030   0.01411  -0.0081   0.0780   0.7607
  11.750   1.2155   0.02176   0.01553  -0.0056   0.0648   0.7638
  12.000   1.2217   0.02295   0.01674  -0.0040   0.0580   0.7667
  12.250   1.2252   0.02437   0.01815  -0.0022   0.0507   0.7697
  12.500   1.2330   0.02559   0.01941  -0.0010   0.0471   0.7728
  12.750   1.2351   0.02724   0.02104   0.0005   0.0400   0.7758
  13.000   1.2384   0.02886   0.02269   0.0018   0.0355   0.7794
  13.250   1.2435   0.03040   0.02427   0.0029   0.0318   0.7832
  13.500   1.2473   0.03210   0.02601   0.0039   0.0288   0.7873
  13.750   1.2519   0.03382   0.02778   0.0048   0.0260   0.7914
  14.000   1.2542   0.03574   0.02974   0.0056   0.0228   0.7964
  14.250   1.2587   0.03756   0.03163   0.0063   0.0210   0.8020
  14.500   1.2631   0.03945   0.03357   0.0068   0.0193   0.8079
  14.750   1.2650   0.04159   0.03578   0.0073   0.0174   0.8152
  15.000   1.2694   0.04357   0.03784   0.0077   0.0162   0.8236
  15.250   1.2725   0.04568   0.04004   0.0080   0.0148   0.8345
  15.500   1.2740   0.04797   0.04242   0.0084   0.0136   0.8490
  15.750   1.2763   0.05006   0.04469   0.0089   0.0127   0.8754
  16.000   1.2899   0.05261   0.04753   0.0062   0.0115   0.9904
  16.250   1.2890   0.05528   0.05024   0.0064   0.0106   1.0000
  16.500   1.2923   0.05779   0.05280   0.0060   0.0095   1.0000
  16.750   1.2945   0.06047   0.05553   0.0056   0.0089   1.0000
  17.000   1.2937   0.06354   0.05864   0.0051   0.0079   1.0000
  17.250   1.2935   0.06661   0.06179   0.0045   0.0073   1.0000
  17.500   1.2951   0.06952   0.06475   0.0038   0.0067   1.0000
  17.750   1.2926   0.07300   0.06828   0.0030   0.0058   1.0000
  18.000   1.2913   0.07641   0.07176   0.0020   0.0053   1.0000
  18.250   1.2885   0.08007   0.07548   0.0010   0.0045   1.0000
  18.500   1.2858   0.08378   0.07928  -0.0002   0.0044   1.0000
  18.750   1.2790   0.08817   0.08375  -0.0017   0.0039   1.0000
  19.000   1.2775   0.09190   0.08757  -0.0031   0.0037   1.0000
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