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EPPLER 857 AIRFOIL (e857-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 857 AIRFOIL (e857-il)
Reynolds number: 500,000
Max Cl/Cd: 88.27 at α=8.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e857-il-500000.txt
Download as CSV file: xf-e857-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 857 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.750  -0.5943   0.12336   0.12028  -0.0552   1.0000   0.0133
 -17.500  -0.6331   0.11185   0.10854  -0.0611   1.0000   0.0133
 -17.250  -0.6598   0.10338   0.09988  -0.0654   1.0000   0.0131
 -17.000  -0.6763   0.09708   0.09344  -0.0684   1.0000   0.0130
 -16.750  -0.6890   0.09167   0.08791  -0.0708   1.0000   0.0129
 -16.500  -0.6998   0.08663   0.08277  -0.0731   1.0000   0.0133
 -16.250  -0.7098   0.08206   0.07809  -0.0749   1.0000   0.0132
 -16.000  -0.7174   0.07797   0.07391  -0.0764   1.0000   0.0132
 -15.750  -0.7239   0.07422   0.07008  -0.0775   1.0000   0.0132
 -15.500  -0.7302   0.07056   0.06632  -0.0787   1.0000   0.0134
 -15.250  -0.7356   0.06722   0.06291  -0.0795   1.0000   0.0134
 -15.000  -0.7412   0.06396   0.05956  -0.0802   1.0000   0.0136
 -14.750  -0.7461   0.06102   0.05655  -0.0805   1.0000   0.0137
 -14.500  -0.7512   0.05823   0.05369  -0.0806   1.0000   0.0138
 -14.250  -0.7567   0.05559   0.05098  -0.0806   1.0000   0.0139
 -14.000  -0.7622   0.05327   0.04862  -0.0799   1.0000   0.0139
 -13.750  -0.7697   0.05079   0.04605  -0.0794   1.0000   0.0141
 -13.500  -0.7665   0.04829   0.04347  -0.0807   0.9990   0.0142
 -13.250  -0.7476   0.04562   0.04071  -0.0849   0.9961   0.0144
 -13.000  -0.7302   0.04299   0.03802  -0.0888   0.9935   0.0145
 -12.750  -0.7162   0.04017   0.03519  -0.0924   0.9892   0.0150
 -12.500  -0.6967   0.03767   0.03265  -0.0964   0.9856   0.0154
 -12.250  -0.6723   0.03538   0.03030  -0.1009   0.9832   0.0158
 -12.000  -0.6574   0.03303   0.02789  -0.1034   0.9765   0.0160
 -11.750  -0.6326   0.03091   0.02567  -0.1073   0.9730   0.0168
 -11.500  -0.6190   0.02878   0.02346  -0.1090   0.9640   0.0171
 -11.250  -0.6132   0.02609   0.02073  -0.1107   0.9523   0.0176
 -11.000  -0.6065   0.02392   0.01851  -0.1118   0.9388   0.0181
 -10.750  -0.5968   0.02228   0.01679  -0.1117   0.9251   0.0186
 -10.500  -0.5733   0.02101   0.01543  -0.1127   0.9144   0.0198
 -10.250  -0.5404   0.01943   0.01378  -0.1159   0.9059   0.0211
 -10.000  -0.5004   0.01837   0.01264  -0.1195   0.8935   0.0232
  -9.750  -0.4520   0.01716   0.01137  -0.1252   0.8806   0.0264
  -9.500  -0.3943   0.01616   0.01026  -0.1325   0.8645   0.0312
  -9.250  -0.3455   0.01528   0.00929  -0.1381   0.8419   0.0371
  -9.000  -0.3142   0.01476   0.00865  -0.1396   0.8174   0.0429
  -8.750  -0.2932   0.01438   0.00816  -0.1388   0.7950   0.0482
  -8.500  -0.2738   0.01403   0.00772  -0.1377   0.7752   0.0544
  -8.250  -0.2546   0.01371   0.00733  -0.1364   0.7572   0.0616
  -8.000  -0.2353   0.01342   0.00697  -0.1350   0.7403   0.0694
  -7.750  -0.2157   0.01314   0.00664  -0.1337   0.7243   0.0787
  -7.500  -0.1955   0.01286   0.00633  -0.1325   0.7096   0.0890
  -7.250  -0.1748   0.01258   0.00601  -0.1313   0.6960   0.1003
  -7.000  -0.1539   0.01230   0.00569  -0.1302   0.6833   0.1133
  -6.750  -0.1328   0.01197   0.00538  -0.1292   0.6711   0.1296
  -6.500  -0.1117   0.01161   0.00505  -0.1282   0.6600   0.1538
  -6.250  -0.0909   0.01120   0.00472  -0.1272   0.6488   0.1877
  -6.000  -0.0700   0.01072   0.00439  -0.1262   0.6385   0.2347
  -5.750  -0.0483   0.01039   0.00417  -0.1253   0.6280   0.2852
  -5.500  -0.0242   0.01023   0.00407  -0.1247   0.6179   0.3188
  -5.250   0.0004   0.01021   0.00401  -0.1240   0.6082   0.3414
  -5.000   0.0261   0.01019   0.00397  -0.1235   0.5992   0.3579
  -4.750   0.0517   0.01024   0.00393  -0.1230   0.5903   0.3712
  -4.500   0.0779   0.01027   0.00391  -0.1225   0.5822   0.3825
  -4.250   0.1036   0.01031   0.00389  -0.1220   0.5739   0.3915
  -4.000   0.1299   0.01039   0.00389  -0.1216   0.5664   0.4007
  -3.750   0.1557   0.01042   0.00388  -0.1211   0.5585   0.4087
  -3.500   0.1815   0.01052   0.00389  -0.1206   0.5511   0.4156
  -3.250   0.2080   0.01056   0.00387  -0.1203   0.5440   0.4215
  -3.000   0.2338   0.01059   0.00385  -0.1198   0.5372   0.4273
  -2.750   0.2599   0.01067   0.00388  -0.1194   0.5310   0.4331
  -2.500   0.2864   0.01073   0.00389  -0.1190   0.5249   0.4394
  -2.250   0.3123   0.01079   0.00387  -0.1186   0.5189   0.4446
  -2.000   0.3382   0.01087   0.00392  -0.1182   0.5132   0.4506
  -1.750   0.3643   0.01094   0.00397  -0.1177   0.5077   0.4577
  -1.500   0.3899   0.01102   0.00397  -0.1172   0.5022   0.4628
  -1.250   0.4155   0.01107   0.00398  -0.1168   0.4967   0.4672
  -1.000   0.4414   0.01109   0.00400  -0.1164   0.4924   0.4712
  -0.750   0.4671   0.01112   0.00402  -0.1159   0.4877   0.4753
  -0.500   0.4927   0.01120   0.00403  -0.1154   0.4832   0.4790
  -0.250   0.5191   0.01132   0.00406  -0.1152   0.4787   0.4828
   0.000   0.5445   0.01131   0.00409  -0.1147   0.4749   0.4872
   0.250   0.5697   0.01134   0.00413  -0.1142   0.4708   0.4912
   0.500   0.5949   0.01141   0.00416  -0.1136   0.4668   0.4953
   0.750   0.6204   0.01153   0.00421  -0.1132   0.4629   0.4992
   1.000   0.6473   0.01165   0.00429  -0.1131   0.4591   0.5034
   1.250   0.6722   0.01166   0.00436  -0.1125   0.4561   0.5080
   1.500   0.6973   0.01172   0.00443  -0.1120   0.4528   0.5126
   1.750   0.7223   0.01180   0.00450  -0.1115   0.4495   0.5171
   2.000   0.7475   0.01193   0.00457  -0.1110   0.4462   0.5212
   2.250   0.7745   0.01209   0.00471  -0.1110   0.4424   0.5265
   2.500   0.7988   0.01215   0.00482  -0.1104   0.4397   0.5317
   2.750   0.8234   0.01224   0.00493  -0.1098   0.4370   0.5371
   3.000   0.8482   0.01234   0.00503  -0.1093   0.4342   0.5421
   3.250   0.8727   0.01242   0.00515  -0.1087   0.4315   0.5478
   3.500   0.8975   0.01255   0.00528  -0.1082   0.4286   0.5539
   3.750   0.9241   0.01277   0.00545  -0.1082   0.4254   0.5605
   4.000   0.9493   0.01289   0.00562  -0.1078   0.4229   0.5673
   4.250   0.9725   0.01298   0.00578  -0.1070   0.4205   0.5746
   4.500   0.9965   0.01310   0.00593  -0.1064   0.4181   0.5820
   4.750   1.0202   0.01321   0.00609  -0.1057   0.4156   0.5902
   5.000   1.0440   0.01335   0.00626  -0.1051   0.4132   0.5997
   5.250   1.0680   0.01350   0.00644  -0.1045   0.4108   0.6098
   5.500   1.0948   0.01374   0.00666  -0.1046   0.4078   0.6215
   5.750   1.1185   0.01389   0.00690  -0.1040   0.4054   0.6342
   6.000   1.1399   0.01400   0.00711  -0.1029   0.4034   0.6480
   6.250   1.1619   0.01412   0.00732  -0.1020   0.4012   0.6647
   6.500   1.1840   0.01424   0.00754  -0.1011   0.3989   0.6849
   6.750   1.2059   0.01436   0.00777  -0.1002   0.3967   0.7106
   7.000   1.2271   0.01447   0.00799  -0.0991   0.3945   0.7437
   7.250   1.2483   0.01458   0.00824  -0.0980   0.3920   0.7927
   7.500   1.2840   0.01461   0.00857  -0.0999   0.3890   1.0000
   7.750   1.3036   0.01480   0.00881  -0.0986   0.3874   1.0000
   8.000   1.3238   0.01501   0.00906  -0.0975   0.3854   1.0000
   8.250   1.3446   0.01524   0.00932  -0.0965   0.3832   1.0000
   8.500   1.3655   0.01547   0.00958  -0.0956   0.3809   1.0000
   8.750   1.3861   0.01571   0.00982  -0.0946   0.3786   1.0000
   9.000   1.4072   0.01598   0.01008  -0.0937   0.3763   1.0000
   9.250   1.4323   0.01632   0.01040  -0.0936   0.3738   1.0000
   9.500   1.4557   0.01667   0.01077  -0.0933   0.3714   1.0000
   9.750   1.4707   0.01693   0.01111  -0.0913   0.3694   1.0000
  10.000   1.4876   0.01723   0.01147  -0.0898   0.3671   1.0000
  10.250   1.5043   0.01752   0.01181  -0.0883   0.3645   1.0000
  10.500   1.5205   0.01782   0.01213  -0.0867   0.3617   1.0000
  10.750   1.5374   0.01816   0.01247  -0.0853   0.3587   1.0000
  11.000   1.5588   0.01857   0.01285  -0.0847   0.3550   1.0000
  11.250   1.5681   0.01898   0.01337  -0.0822   0.3525   1.0000
  11.500   1.5799   0.01941   0.01387  -0.0802   0.3494   1.0000
  11.750   1.5926   0.01986   0.01437  -0.0783   0.3463   1.0000
  12.000   1.6059   0.02033   0.01487  -0.0766   0.3432   1.0000
  12.250   1.6233   0.02083   0.01534  -0.0756   0.3397   1.0000
  12.500   1.6340   0.02145   0.01605  -0.0737   0.3370   1.0000
  12.750   1.6428   0.02212   0.01683  -0.0717   0.3337   1.0000
  13.000   1.6527   0.02282   0.01760  -0.0699   0.3303   1.0000
  13.250   1.6633   0.02356   0.01836  -0.0683   0.3270   1.0000
  13.500   1.6764   0.02428   0.01906  -0.0670   0.3233   1.0000
  13.750   1.6835   0.02524   0.02015  -0.0652   0.3202   1.0000
  14.000   1.6898   0.02629   0.02130  -0.0635   0.3161   1.0000
  14.250   1.6974   0.02736   0.02242  -0.0619   0.3123   1.0000
  14.500   1.7043   0.02851   0.02356  -0.0604   0.3080   1.0000
  14.750   1.7095   0.02985   0.02501  -0.0590   0.3039   1.0000
  15.000   1.7140   0.03131   0.02657  -0.0576   0.2992   1.0000
  15.250   1.7164   0.03295   0.02823  -0.0562   0.2942   1.0000
  15.500   1.7183   0.03474   0.03008  -0.0549   0.2892   1.0000
  15.750   1.7202   0.03663   0.03206  -0.0539   0.2836   1.0000
  16.000   1.7182   0.03884   0.03429  -0.0527   0.2781   1.0000
  16.250   1.7168   0.04117   0.03671  -0.0517   0.2719   1.0000
  16.500   1.7130   0.04378   0.03937  -0.0508   0.2655   1.0000
  16.750   1.7061   0.04674   0.04237  -0.0499   0.2588   1.0000
  17.000   1.6976   0.04999   0.04568  -0.0493   0.2509   1.0000
  17.250   1.6871   0.05351   0.04923  -0.0487   0.2438   1.0000
  17.500   1.6728   0.05758   0.05334  -0.0482   0.2346   1.0000
  17.750   1.6587   0.06171   0.05751  -0.0480   0.2260   1.0000
  18.000   1.6377   0.06672   0.06252  -0.0479   0.2168   1.0000
  18.250   1.6202   0.07151   0.06736  -0.0481   0.2068   1.0000
  18.500   1.6008   0.07662   0.07249  -0.0484   0.1974   1.0000
  18.750   1.5771   0.08236   0.07822  -0.0490   0.1880   1.0000
  19.000   1.5580   0.08770   0.08358  -0.0497   0.1782   1.0000
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