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EPPLER 855 AIRFOIL (e855-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 855 AIRFOIL (e855-il)
Reynolds number: 200,000
Max Cl/Cd: 77.37 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e855-il-200000-n5.txt
Download as CSV file: xf-e855-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 855 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
  ------ -------- --------- --------- -------- -------- --------
 -12.250  -0.5560   0.07150   0.06753  -0.0685   1.0000   0.0096
 -12.000  -0.5882   0.06362   0.05946  -0.0726   1.0000   0.0094
 -11.750  -0.6102   0.05827   0.05399  -0.0748   1.0000   0.0094
 -11.500  -0.6342   0.05329   0.04884  -0.0761   1.0000   0.0093
 -11.250  -0.6519   0.04976   0.04521  -0.0762   1.0000   0.0094
 -11.000  -0.6689   0.04638   0.04170  -0.0763   0.9995   0.0094
 -10.750  -0.6608   0.04198   0.03700  -0.0826   0.9934   0.0095
 -10.500  -0.6518   0.03859   0.03335  -0.0871   0.9855   0.0096
 -10.250  -0.6395   0.03572   0.03022  -0.0898   0.9765   0.0099
 -10.000  -0.6227   0.03328   0.02754  -0.0915   0.9679   0.0100
  -9.750  -0.6016   0.03102   0.02503  -0.0933   0.9603   0.0105
  -9.500  -0.5849   0.02917   0.02297  -0.0934   0.9497   0.0108
  -9.250  -0.5655   0.02747   0.02107  -0.0936   0.9397   0.0112
  -9.000  -0.5410   0.02589   0.01937  -0.0948   0.9324   0.0119
  -8.750  -0.5177   0.02469   0.01806  -0.0953   0.9228   0.0125
  -8.500  -0.4911   0.02364   0.01690  -0.0961   0.9142   0.0139
  -8.250  -0.4618   0.02233   0.01543  -0.0975   0.9069   0.0152
  -8.000  -0.4337   0.02119   0.01421  -0.0987   0.8975   0.0163
  -7.750  -0.3987   0.02003   0.01292  -0.1010   0.8907   0.0182
  -7.500  -0.3665   0.01895   0.01173  -0.1028   0.8804   0.0205
  -7.250  -0.3275   0.01807   0.01074  -0.1059   0.8718   0.0252
  -7.000  -0.2876   0.01726   0.00984  -0.1090   0.8618   0.0312
  -6.750  -0.2508   0.01651   0.00902  -0.1115   0.8498   0.0394
  -6.500  -0.2142   0.01581   0.00825  -0.1139   0.8368   0.0499
  -6.250  -0.1801   0.01521   0.00760  -0.1158   0.8232   0.0628
  -6.000  -0.1486   0.01469   0.00704  -0.1170   0.8096   0.0790
  -5.750  -0.1188   0.01424   0.00654  -0.1179   0.7960   0.1000
  -5.500  -0.0908   0.01376   0.00606  -0.1184   0.7826   0.1277
  -5.250  -0.0646   0.01325   0.00562  -0.1186   0.7694   0.1674
  -5.000  -0.0397   0.01267   0.00521  -0.1187   0.7566   0.2278
  -4.750  -0.0149   0.01219   0.00495  -0.1186   0.7449   0.3054
  -4.500   0.0115   0.01202   0.00485  -0.1185   0.7338   0.3606
  -4.250   0.0386   0.01200   0.00478  -0.1183   0.7229   0.3958
  -4.000   0.0653   0.01201   0.00472  -0.1181   0.7120   0.4197
  -3.750   0.0925   0.01205   0.00464  -0.1179   0.7022   0.4373
  -3.500   0.1197   0.01210   0.00457  -0.1177   0.6929   0.4512
  -3.250   0.1467   0.01213   0.00449  -0.1175   0.6835   0.4636
  -3.000   0.1738   0.01220   0.00443  -0.1173   0.6749   0.4762
  -2.750   0.2004   0.01226   0.00444  -0.1170   0.6660   0.4896
  -2.500   0.2273   0.01233   0.00444  -0.1168   0.6584   0.5014
  -2.250   0.2544   0.01237   0.00438  -0.1166   0.6504   0.5102
  -2.000   0.2814   0.01240   0.00434  -0.1165   0.6432   0.5162
  -1.750   0.3085   0.01242   0.00427  -0.1163   0.6356   0.5223
  -1.500   0.3357   0.01246   0.00423  -0.1162   0.6292   0.5275
  -1.250   0.3626   0.01248   0.00421  -0.1161   0.6223   0.5327
  -1.000   0.3900   0.01254   0.00417  -0.1160   0.6162   0.5386
  -0.750   0.4168   0.01256   0.00417  -0.1158   0.6098   0.5436
  -0.500   0.4438   0.01261   0.00418  -0.1157   0.6036   0.5489
  -0.250   0.4712   0.01268   0.00417  -0.1157   0.5985   0.5549
   0.000   0.4979   0.01271   0.00422  -0.1155   0.5927   0.5600
   0.250   0.5249   0.01277   0.00425  -0.1154   0.5873   0.5658
   0.500   0.5522   0.01286   0.00428  -0.1153   0.5822   0.5721
   0.750   0.5786   0.01290   0.00436  -0.1151   0.5767   0.5776
   1.000   0.6057   0.01298   0.00442  -0.1150   0.5720   0.5841
   1.250   0.6328   0.01307   0.00449  -0.1150   0.5677   0.5903
   1.500   0.6592   0.01313   0.00460  -0.1148   0.5625   0.5972
   1.750   0.6860   0.01323   0.00469  -0.1146   0.5578   0.6044
   2.250   0.7394   0.01342   0.00494  -0.1144   0.5492   0.6194
   2.500   0.7656   0.01350   0.00508  -0.1141   0.5447   0.6275
   2.750   0.7922   0.01362   0.00521  -0.1140   0.5405   0.6363
   3.000   0.8187   0.01373   0.00537  -0.1138   0.5366   0.6456
   3.250   0.8444   0.01383   0.00556  -0.1135   0.5321   0.6557
   3.500   0.8705   0.01394   0.00574  -0.1132   0.5280   0.6669
   3.750   0.8969   0.01407   0.00590  -0.1130   0.5244   0.6790
   4.000   0.9223   0.01419   0.00612  -0.1127   0.5202   0.6918
   4.250   0.9473   0.01430   0.00636  -0.1122   0.5160   0.7065
   4.500   0.9725   0.01442   0.00657  -0.1117   0.5120   0.7231
   4.750   0.9982   0.01456   0.00676  -0.1114   0.5085   0.7420
   5.000   1.0215   0.01466   0.00704  -0.1106   0.5042   0.7630
   5.500   1.0676   0.01485   0.00750  -0.1087   0.4957   0.8233
   5.750   1.0892   0.01489   0.00771  -0.1073   0.4916   0.8779
   6.000   1.1169   0.01494   0.00793  -0.1074   0.4853   1.0000
   6.250   1.1415   0.01514   0.00812  -0.1070   0.4795   1.0000
   6.500   1.1641   0.01534   0.00839  -0.1062   0.4726   1.0000
   6.750   1.1860   0.01552   0.00859  -0.1052   0.4646   1.0000
   7.000   1.2063   0.01571   0.00885  -0.1039   0.4555   1.0000
   7.250   1.2273   0.01592   0.00904  -0.1028   0.4473   1.0000
   7.500   1.2470   0.01613   0.00936  -0.1014   0.4383   1.0000
   7.750   1.2666   0.01637   0.00965  -0.1000   0.4300   1.0000
   8.000   1.2845   0.01662   0.00996  -0.0983   0.4202   1.0000
   8.250   1.3009   0.01687   0.01028  -0.0963   0.4102   1.0000
   8.500   1.3161   0.01716   0.01062  -0.0942   0.3998   1.0000
   8.750   1.3293   0.01751   0.01099  -0.0917   0.3868   1.0000
   9.000   1.3416   0.01791   0.01143  -0.0891   0.3720   1.0000
   9.250   1.3524   0.01839   0.01192  -0.0864   0.3541   1.0000
   9.500   1.3593   0.01901   0.01251  -0.0831   0.3317   1.0000
   9.750   1.3627   0.01984   0.01326  -0.0795   0.3052   1.0000
  10.000   1.3614   0.02095   0.01424  -0.0755   0.2757   1.0000
  10.250   1.3569   0.02236   0.01551  -0.0714   0.2470   1.0000
  10.500   1.3519   0.02396   0.01700  -0.0676   0.2218   1.0000
  10.750   1.3469   0.02574   0.01869  -0.0643   0.1998   1.0000
  11.000   1.3426   0.02766   0.02057  -0.0614   0.1795   1.0000
  11.250   1.3387   0.02971   0.02258  -0.0589   0.1617   1.0000
  11.500   1.3351   0.03191   0.02476  -0.0567   0.1462   1.0000
  11.750   1.3319   0.03423   0.02705  -0.0549   0.1325   1.0000
  12.000   1.3298   0.03659   0.02943  -0.0534   0.1210   1.0000
  12.250   1.3273   0.03912   0.03196  -0.0522   0.1100   1.0000
  12.500   1.3246   0.04176   0.03461  -0.0511   0.1009   1.0000
  12.750   1.3231   0.04440   0.03728  -0.0502   0.0916   1.0000
  13.000   1.3223   0.04706   0.03998  -0.0495   0.0840   1.0000
  13.500   1.3200   0.05269   0.04569  -0.0486   0.0701   1.0000
  13.750   1.3176   0.05578   0.04882  -0.0483   0.0643   1.0000
  14.000   1.3183   0.05858   0.05169  -0.0481   0.0587   1.0000
  14.500   1.3170   0.06473   0.05795  -0.0482   0.0492   1.0000
  14.750   1.3152   0.06806   0.06131  -0.0483   0.0450   1.0000
  15.000   1.3152   0.07121   0.06455  -0.0486   0.0415   1.0000
  15.250   1.3150   0.07446   0.06786  -0.0489   0.0377   1.0000
  15.500   1.3117   0.07818   0.07161  -0.0495   0.0347   1.0000
  15.750   1.3134   0.08131   0.07487  -0.0500   0.0318   1.0000
  16.000   1.3119   0.08491   0.07853  -0.0507   0.0290   1.0000
  16.250   1.3092   0.08874   0.08241  -0.0515   0.0269   1.0000
  16.500   1.3098   0.09217   0.08599  -0.0523   0.0246   1.0000
  16.750   1.3079   0.09601   0.08989  -0.0533   0.0225   1.0000
  17.000   1.3046   0.10012   0.09406  -0.0545   0.0207   1.0000
  17.250   1.3040   0.10387   0.09794  -0.0556   0.0192   1.0000
  17.500   1.3017   0.10791   0.10208  -0.0569   0.0177   1.0000
  17.750   1.2969   0.11244   0.10667  -0.0586   0.0164   1.0000
  18.000   1.2956   0.11643   0.11079  -0.0601   0.0152   1.0000
  18.250   1.2933   0.12063   0.11511  -0.0617   0.0141   1.0000
  18.500   1.2895   0.12512   0.11969  -0.0637   0.0131   1.0000
  18.750   1.2835   0.13006   0.12471  -0.0659   0.0124   1.0000
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