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EPPLER 338 AIRFOIL (e338-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 338 AIRFOIL (e338-il)
Reynolds number: 1,000,000
Max Cl/Cd: 114.05 at α=9.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e338-il-1000000.txt
Download as CSV file: xf-e338-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 338 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
  ------ -------- --------- --------- -------- -------- --------
 -10.500  -0.3487   0.10563   0.10402  -0.0236   1.0000   0.0080
 -10.250  -0.3461   0.10236   0.10078  -0.0245   1.0000   0.0081
 -10.000  -0.3441   0.09866   0.09710  -0.0260   1.0000   0.0080
  -9.750  -0.3410   0.09581   0.09426  -0.0265   1.0000   0.0082
  -9.500  -0.3399   0.09186   0.09034  -0.0284   0.9997   0.0081
  -9.250  -0.2966   0.08478   0.08319  -0.0422   0.9368   0.0083
  -9.000  -0.2572   0.07763   0.07551  -0.0567   0.8180   0.0084
  -8.750  -0.2634   0.07443   0.07212  -0.0577   0.7670   0.0085
  -8.500  -0.2768   0.06983   0.06742  -0.0610   0.7408   0.0085
  -8.250  -0.2901   0.06623   0.06372  -0.0616   0.7189   0.0085
  -8.000  -0.3049   0.06318   0.06058  -0.0599   0.6998   0.0085
  -7.750  -0.3113   0.06034   0.05763  -0.0586   0.6841   0.0086
  -7.500  -0.3143   0.05704   0.05421  -0.0576   0.6699   0.0086
  -7.250  -0.3140   0.05388   0.05093  -0.0563   0.6565   0.0086
  -7.000  -0.3110   0.05081   0.04773  -0.0548   0.6444   0.0088
  -6.750  -0.3055   0.04783   0.04460  -0.0533   0.6327   0.0089
  -6.250  -0.2904   0.04154   0.03795  -0.0493   0.6111   0.0095
  -6.000  -0.2800   0.03835   0.03456  -0.0471   0.6012   0.0098
  -5.750  -0.2661   0.03338   0.02921  -0.0435   0.5922   0.0103
  -5.500  -0.2652   0.02808   0.02349  -0.0393   0.5852   0.0106
  -5.250  -0.2413   0.01270   0.00829  -0.0364   0.5634   0.0108
  -5.000  -0.2242   0.01145   0.00690  -0.0351   0.5544   0.0110
  -4.750  -0.2059   0.01016   0.00544  -0.0338   0.5457   0.0113
  -4.500  -0.1974   0.01712   0.01107  -0.0297   0.5503   0.0080
  -4.250  -0.1748   0.01484   0.00854  -0.0285   0.5412   0.0074
  -4.000  -0.1495   0.01350   0.00697  -0.0276   0.5323   0.0072
  -3.750  -0.1242   0.01275   0.00604  -0.0268   0.5231   0.0076
  -3.500  -0.0978   0.01245   0.00563  -0.0264   0.5146   0.0079
  -3.250  -0.0751   0.01150   0.00458  -0.0253   0.5067   0.0084
  -3.000  -0.0496   0.01120   0.00426  -0.0247   0.4990   0.0090
  -2.750  -0.0249   0.01091   0.00389  -0.0240   0.4911   0.0093
  -2.500   0.0006   0.01064   0.00358  -0.0234   0.4839   0.0097
  -2.250   0.0254   0.01041   0.00327  -0.0227   0.4763   0.0101
  -2.000   0.0511   0.01019   0.00302  -0.0221   0.4697   0.0104
  -1.750   0.0754   0.00988   0.00266  -0.0213   0.4631   0.0114
  -1.500   0.1015   0.00977   0.00253  -0.0209   0.4570   0.0130
  -1.250   0.1269   0.00956   0.00229  -0.0203   0.4509   0.0158
  -1.000   0.1520   0.00939   0.00211  -0.0196   0.4446   0.0251
  -0.750   0.1767   0.00912   0.00201  -0.0190   0.4393   0.0711
  -0.500   0.1997   0.00876   0.00194  -0.0181   0.4339   0.1697
  -0.250   0.1929   0.00658   0.00167  -0.0119   0.4302   0.7439
   0.000   0.2101   0.00659   0.00206  -0.0089   0.4258   0.8825
   0.250   0.2343   0.00684   0.00230  -0.0076   0.4210   0.9014
   0.500   0.2569   0.00718   0.00261  -0.0058   0.4160   0.9149
   0.750   0.2800   0.00744   0.00283  -0.0043   0.4113   0.9238
   1.000   0.3049   0.00765   0.00302  -0.0032   0.4076   0.9306
   1.250   0.3291   0.00781   0.00314  -0.0021   0.4034   0.9368
   1.500   0.3587   0.00810   0.00337  -0.0019   0.3987   0.9422
   1.750   0.3857   0.00822   0.00346  -0.0016   0.3948   0.9460
   2.000   0.4101   0.00821   0.00343  -0.0009   0.3914   0.9477
   2.250   0.4345   0.00823   0.00340  -0.0004   0.3876   0.9491
   2.500   0.4605   0.00824   0.00336   0.0000   0.3836   0.9501
   2.750   0.4870   0.00826   0.00335   0.0001   0.3798   0.9508
   3.000   0.5146   0.00826   0.00334   0.0001   0.3768   0.9516
   3.250   0.5419   0.00829   0.00335   0.0002   0.3733   0.9524
   3.500   0.5686   0.00834   0.00337   0.0003   0.3696   0.9532
   3.750   0.5943   0.00843   0.00341   0.0005   0.3654   0.9541
   4.000   0.6215   0.00844   0.00343   0.0006   0.3629   0.9549
   4.250   0.6484   0.00846   0.00345   0.0006   0.3598   0.9559
   4.500   0.6745   0.00851   0.00349   0.0008   0.3565   0.9570
   4.750   0.7000   0.00859   0.00354   0.0011   0.3527   0.9580
   5.000   0.7254   0.00866   0.00360   0.0014   0.3492   0.9590
   5.250   0.7519   0.00868   0.00364   0.0015   0.3464   0.9599
   5.500   0.7781   0.00873   0.00369   0.0017   0.3428   0.9608
   5.750   0.8038   0.00880   0.00375   0.0019   0.3394   0.9617
   6.000   0.8285   0.00894   0.00385   0.0022   0.3348   0.9626
   6.250   0.8557   0.00893   0.00389   0.0022   0.3316   0.9635
   6.500   0.8825   0.00898   0.00395   0.0021   0.3268   0.9644
   6.750   0.9083   0.00910   0.00404   0.0023   0.3216   0.9652
   7.000   0.9351   0.00916   0.00413   0.0022   0.3170   0.9661
   7.250   0.9616   0.00924   0.00423   0.0022   0.3125   0.9670
   7.500   0.9872   0.00936   0.00434   0.0024   0.3081   0.9680
   7.750   1.0126   0.00948   0.00448   0.0026   0.3042   0.9691
   8.000   1.0388   0.00956   0.00459   0.0026   0.3001   0.9702
   8.250   1.0636   0.00968   0.00472   0.0028   0.2941   0.9715
   8.500   1.0880   0.00982   0.00487   0.0032   0.2891   0.9728
   8.750   1.1127   0.00993   0.00500   0.0035   0.2833   0.9741
   9.000   1.1367   0.01011   0.00518   0.0038   0.2771   0.9755
   9.250   1.1632   0.01025   0.00535   0.0036   0.2708   0.9768
   9.500   1.1885   0.01047   0.00557   0.0037   0.2636   0.9782
   9.750   1.2146   0.01065   0.00578   0.0035   0.2568   0.9795
  10.000   1.2390   0.01093   0.00605   0.0036   0.2486   0.9811
  10.250   1.2641   0.01116   0.00630   0.0036   0.2402   0.9827
  10.500   1.2869   0.01146   0.00660   0.0039   0.2308   0.9848
  10.750   1.3118   0.01186   0.00697   0.0037   0.2186   0.9862
  11.000   1.3377   0.01232   0.00740   0.0032   0.2058   0.9874
  11.250   1.3627   0.01284   0.00789   0.0027   0.1919   0.9887
  11.500   1.3855   0.01346   0.00845   0.0026   0.1757   0.9905
  11.750   1.4055   0.01420   0.00912   0.0028   0.1580   0.9929
  12.000   1.4232   0.01509   0.00992   0.0031   0.1402   0.9963
  12.250   1.4423   0.01593   0.01072   0.0031   0.1257   1.0000
  12.500   1.4334   0.01643   0.01121   0.0089   0.1188   1.0000
  12.750   1.4372   0.01728   0.01205   0.0117   0.1093   1.0000
  13.000   1.4388   0.01841   0.01315   0.0142   0.0988   1.0000
  13.250   1.4400   0.01972   0.01445   0.0164   0.0900   1.0000
  13.500   1.4393   0.02131   0.01604   0.0184   0.0816   1.0000
  13.750   1.4322   0.02357   0.01825   0.0201   0.0685   1.0000
  14.000   1.4271   0.02597   0.02065   0.0212   0.0600   1.0000
  14.250   1.4157   0.02913   0.02379   0.0221   0.0516   1.0000
  14.500   1.4107   0.03194   0.02664   0.0224   0.0483   1.0000
  14.750   1.4146   0.03399   0.02879   0.0225   0.0486   1.0000
  15.000   1.4119   0.03674   0.03162   0.0225   0.0475   1.0000
  15.250   1.4016   0.04031   0.03524   0.0225   0.0443   1.0000
  15.500   1.3990   0.04315   0.03816   0.0223   0.0426   1.0000
  15.750   1.3947   0.04623   0.04134   0.0220   0.0417   1.0000
  16.000   1.3842   0.05004   0.04520   0.0215   0.0394   1.0000
  16.250   1.3778   0.05353   0.04877   0.0210   0.0388   1.0000
  16.500   1.3671   0.05761   0.05290   0.0202   0.0367   1.0000
  16.750   1.3629   0.06100   0.05638   0.0194   0.0358   1.0000
  17.000   1.3600   0.06430   0.05976   0.0186   0.0345   1.0000
  17.250   1.3542   0.06803   0.06357   0.0176   0.0333   1.0000
  17.500   1.3484   0.07179   0.06740   0.0166   0.0323   1.0000
  17.750   1.3384   0.07619   0.07184   0.0153   0.0302   1.0000
  18.000   1.3338   0.07996   0.07567   0.0141   0.0284   1.0000
  18.250   1.3276   0.08397   0.07974   0.0127   0.0267   1.0000
  18.500   1.3189   0.08842   0.08422   0.0112   0.0246   1.0000
  18.750   1.3136   0.09246   0.08834   0.0097   0.0233   1.0000
  19.000   1.3055   0.09698   0.09290   0.0080   0.0213   1.0000
  19.250   1.2977   0.10147   0.09744   0.0062   0.0196   1.0000
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