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EPPLER 339 AIRFOIL (e339-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 339 AIRFOIL (e339-il)
Reynolds number: 1,000,000
Max Cl/Cd: 120.66 at α=10°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e339-il-1000000.txt
Download as CSV file: xf-e339-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 339 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
  ------ -------- --------- --------- -------- -------- --------
 -10.750  -0.3055   0.11278   0.11116  -0.0272   1.0000   0.0080
 -10.500  -0.3028   0.10932   0.10772  -0.0282   1.0000   0.0080
 -10.250  -0.3003   0.10587   0.10429  -0.0292   1.0000   0.0080
 -10.000  -0.2857   0.10106   0.09948  -0.0340   0.9975   0.0080
  -9.750  -0.2819   0.09693   0.09537  -0.0359   0.9828   0.0080
  -9.500  -0.2280   0.08739   0.08573  -0.0544   0.9301   0.0081
  -9.250  -0.1744   0.08112   0.07887  -0.0696   0.8117   0.0083
  -9.000  -0.1747   0.07885   0.07641  -0.0694   0.7646   0.0084
  -8.750  -0.1761   0.07583   0.07329  -0.0703   0.7366   0.0085
  -8.500  -0.1793   0.07241   0.06980  -0.0718   0.7148   0.0085
  -8.250  -0.1871   0.06863   0.06598  -0.0744   0.6971   0.0086
  -8.000  -0.2000   0.06491   0.06220  -0.0756   0.6817   0.0085
  -7.750  -0.2144   0.06189   0.05910  -0.0742   0.6680   0.0085
  -7.500  -0.2182   0.05901   0.05614  -0.0736   0.6552   0.0086
  -7.250  -0.2193   0.05594   0.05298  -0.0728   0.6436   0.0087
  -7.000  -0.2178   0.05293   0.04985  -0.0719   0.6320   0.0088
  -6.750  -0.2140   0.04987   0.04668  -0.0707   0.6217   0.0090
  -6.500  -0.2078   0.04694   0.04361  -0.0694   0.6110   0.0090
  -6.250  -0.2000   0.04396   0.04048  -0.0679   0.6010   0.0092
  -6.000  -0.1910   0.04076   0.03710  -0.0660   0.5920   0.0097
  -5.750  -0.1742   0.02086   0.01705  -0.0590   0.5733   0.0104
  -5.500  -0.1715   0.01727   0.01324  -0.0566   0.5658   0.0106
  -5.250  -0.1570   0.01553   0.01136  -0.0552   0.5576   0.0108
  -5.000  -0.1405   0.01414   0.00983  -0.0540   0.5488   0.0110
  -4.750  -0.1235   0.01253   0.00804  -0.0525   0.5412   0.0113
  -4.500  -0.1114   0.00889   0.00382  -0.0489   0.5356   0.0133
  -4.250  -0.0902   0.00835   0.00321  -0.0483   0.5264   0.0137
  -4.000  -0.0707   0.00688   0.00127  -0.0462   0.5199   0.0161
  -3.750  -0.0477   0.00629   0.00063  -0.0457   0.5118   0.0165
  -3.500  -0.0239   0.00583   0.00009  -0.0452   0.5048   0.0173
  -3.250   0.0036   0.01326   0.00665  -0.0448   0.5049   0.0113
  -3.000   0.0297   0.01286   0.00616  -0.0443   0.4973   0.0119
  -2.750   0.0552   0.01203   0.00519  -0.0435   0.4903   0.0115
  -2.500   0.0803   0.01133   0.00436  -0.0426   0.4835   0.0107
  -2.250   0.1052   0.01100   0.00394  -0.0419   0.4762   0.0106
  -2.000   0.1301   0.01061   0.00352  -0.0412   0.4704   0.0106
  -1.750   0.1549   0.01031   0.00317  -0.0405   0.4641   0.0106
  -1.500   0.1791   0.01001   0.00282  -0.0396   0.4578   0.0109
  -1.250   0.2050   0.00979   0.00259  -0.0391   0.4531   0.0114
  -1.000   0.2309   0.00964   0.00241  -0.0387   0.4474   0.0120
  -0.750   0.2563   0.00952   0.00222  -0.0381   0.4414   0.0140
  -0.500   0.2821   0.00929   0.00206  -0.0375   0.4370   0.0307
  -0.250   0.3071   0.00906   0.00200  -0.0370   0.4323   0.0875
   0.000   0.3287   0.00856   0.00195  -0.0360   0.4277   0.2534
   0.250   0.3246   0.00674   0.00207  -0.0298   0.4240   0.8656
   0.500   0.3474   0.00698   0.00234  -0.0281   0.4206   0.8968
   0.750   0.3677   0.00728   0.00265  -0.0258   0.4165   0.9146
   1.000   0.3883   0.00751   0.00284  -0.0237   0.4123   0.9249
   1.250   0.4110   0.00770   0.00297  -0.0223   0.4077   0.9312
   1.500   0.4328   0.00781   0.00308  -0.0206   0.4051   0.9382
   1.750   0.4543   0.00800   0.00325  -0.0187   0.4017   0.9468
   2.000   0.4789   0.00805   0.00326  -0.0180   0.3979   0.9500
   2.250   0.5052   0.00809   0.00324  -0.0177   0.3939   0.9508
   2.500   0.5318   0.00813   0.00325  -0.0175   0.3904   0.9518
   2.750   0.5592   0.00814   0.00324  -0.0175   0.3875   0.9527
   3.000   0.5863   0.00817   0.00324  -0.0174   0.3842   0.9535
   3.250   0.6129   0.00821   0.00326  -0.0173   0.3808   0.9544
   3.500   0.6389   0.00829   0.00329  -0.0171   0.3771   0.9554
   3.750   0.6651   0.00835   0.00333  -0.0169   0.3739   0.9566
   4.000   0.6923   0.00837   0.00336  -0.0169   0.3713   0.9575
   4.250   0.7192   0.00841   0.00339  -0.0168   0.3684   0.9583
   4.500   0.7457   0.00847   0.00342  -0.0168   0.3649   0.9592
   4.750   0.7717   0.00856   0.00349  -0.0166   0.3614   0.9601
   5.000   0.7980   0.00866   0.00357  -0.0165   0.3581   0.9609
   5.250   0.8252   0.00870   0.00362  -0.0166   0.3556   0.9617
   5.500   0.8518   0.00873   0.00366  -0.0165   0.3527   0.9627
   5.750   0.8781   0.00879   0.00373  -0.0164   0.3493   0.9636
   6.000   0.9038   0.00890   0.00382  -0.0162   0.3455   0.9646
   6.250   0.9297   0.00901   0.00393  -0.0161   0.3423   0.9655
   6.500   0.9568   0.00905   0.00401  -0.0161   0.3394   0.9664
   6.750   0.9833   0.00912   0.00409  -0.0161   0.3359   0.9675
   7.000   1.0090   0.00922   0.00419  -0.0160   0.3322   0.9686
   7.250   1.0331   0.00940   0.00434  -0.0155   0.3275   0.9699
   7.500   1.0599   0.00944   0.00443  -0.0156   0.3246   0.9710
   7.750   1.0857   0.00952   0.00453  -0.0155   0.3202   0.9723
   8.000   1.1103   0.00964   0.00466  -0.0152   0.3161   0.9735
   8.250   1.1354   0.00980   0.00482  -0.0150   0.3117   0.9750
   8.500   1.1622   0.00987   0.00495  -0.0151   0.3079   0.9764
   8.750   1.1883   0.01001   0.00510  -0.0152   0.3033   0.9779
   9.000   1.2130   0.01021   0.00530  -0.0150   0.2980   0.9796
   9.250   1.2397   0.01032   0.00546  -0.0152   0.2931   0.9811
   9.500   1.2649   0.01050   0.00565  -0.0151   0.2870   0.9829
   9.750   1.2903   0.01071   0.00587  -0.0152   0.2804   0.9847
  10.000   1.3188   0.01093   0.00611  -0.0159   0.2731   0.9859
  10.250   1.3465   0.01120   0.00639  -0.0165   0.2656   0.9871
  10.500   1.3741   0.01148   0.00668  -0.0172   0.2574   0.9885
  10.750   1.4008   0.01181   0.00701  -0.0177   0.2476   0.9901
  11.000   1.4259   0.01220   0.00738  -0.0180   0.2373   0.9922
  11.250   1.4498   0.01269   0.00783  -0.0182   0.2230   0.9948
  11.500   1.4732   0.01322   0.00833  -0.0184   0.2096   0.9988
  11.750   1.4758   0.01372   0.00876  -0.0145   0.1950   1.0000
  12.000   1.4848   0.01432   0.00932  -0.0120   0.1822   1.0000
  12.250   1.4916   0.01512   0.01005  -0.0093   0.1655   1.0000
  12.500   1.4988   0.01593   0.01082  -0.0069   0.1531   1.0000
  12.750   1.5052   0.01681   0.01167  -0.0046   0.1427   1.0000
  13.000   1.5072   0.01794   0.01276  -0.0019   0.1301   1.0000
  13.250   1.5110   0.01908   0.01390   0.0002   0.1223   1.0000
  13.500   1.5083   0.02070   0.01548   0.0027   0.1105   1.0000
  13.750   1.5119   0.02210   0.01692   0.0042   0.1044   1.0000
  14.000   1.5066   0.02425   0.01905   0.0060   0.0943   1.0000
  14.250   1.5022   0.02656   0.02136   0.0073   0.0869   1.0000
  14.500   1.4988   0.02896   0.02379   0.0082   0.0805   1.0000
  14.750   1.4968   0.03139   0.02626   0.0087   0.0764   1.0000
  15.000   1.4892   0.03442   0.02932   0.0092   0.0706   1.0000
  15.250   1.4829   0.03744   0.03239   0.0095   0.0658   1.0000
  15.500   1.4792   0.04029   0.03532   0.0096   0.0638   1.0000
  15.750   1.4690   0.04388   0.03894   0.0096   0.0599   1.0000
  16.000   1.4589   0.04757   0.04269   0.0094   0.0558   1.0000
  16.250   1.4500   0.05125   0.04643   0.0090   0.0536   1.0000
  16.500   1.4420   0.05494   0.05018   0.0085   0.0505   1.0000
  16.750   1.4319   0.05897   0.05427   0.0078   0.0478   1.0000
  17.000   1.4193   0.06339   0.05872   0.0069   0.0434   1.0000
  17.250   1.4115   0.06737   0.06276   0.0060   0.0416   1.0000
  17.500   1.4023   0.07156   0.06702   0.0049   0.0394   1.0000
  17.750   1.3943   0.07571   0.07123   0.0038   0.0371   1.0000
  18.000   1.3844   0.08021   0.07577   0.0024   0.0348   1.0000
  18.250   1.3787   0.08418   0.07981   0.0011   0.0325   1.0000
  18.500   1.3702   0.08862   0.08428  -0.0004   0.0303   1.0000
  18.750   1.3638   0.09286   0.08860  -0.0019   0.0288   1.0000
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