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EPPLER 399 AIRFOIL (e399-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 399 AIRFOIL (e399-il)
Reynolds number: 200,000
Max Cl/Cd: 85.58 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e399-il-200000-n5.txt
Download as CSV file: xf-e399-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 399 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
  ------ -------- --------- --------- -------- -------- --------
 -13.250  -0.4411   0.09849   0.09473  -0.0649   1.0000   0.0120
 -13.000  -0.4753   0.08926   0.08542  -0.0683   1.0000   0.0118
 -12.750  -0.4962   0.08135   0.07741  -0.0729   0.9987   0.0116
 -12.500  -0.5099   0.07225   0.06814  -0.0812   0.9943   0.0117
 -12.250  -0.5183   0.06471   0.06046  -0.0886   0.9881   0.0118
 -12.000  -0.5235   0.05783   0.05341  -0.0960   0.9810   0.0117
 -11.500  -0.5292   0.04608   0.04133  -0.1090   0.9578   0.0123
 -11.250  -0.5273   0.04097   0.03601  -0.1153   0.9449   0.0126
 -11.000  -0.5194   0.03630   0.03115  -0.1222   0.9326   0.0130
 -10.750  -0.5046   0.03228   0.02694  -0.1296   0.9205   0.0135
 -10.500  -0.4807   0.02918   0.02359  -0.1364   0.9111   0.0147
 -10.250  -0.4593   0.02705   0.02123  -0.1397   0.9005   0.0159
 -10.000  -0.4357   0.02536   0.01938  -0.1423   0.8908   0.0172
  -9.750  -0.4098   0.02384   0.01763  -0.1445   0.8819   0.0188
  -9.500  -0.3870   0.02260   0.01626  -0.1457   0.8719   0.0206
  -9.250  -0.3599   0.02150   0.01500  -0.1472   0.8640   0.0236
  -9.000  -0.3370   0.02061   0.01397  -0.1475   0.8544   0.0268
  -8.750  -0.3099   0.01977   0.01297  -0.1485   0.8467   0.0310
  -8.500  -0.2860   0.01907   0.01217  -0.1487   0.8375   0.0355
  -8.250  -0.2588   0.01842   0.01140  -0.1494   0.8303   0.0411
  -8.000  -0.2342   0.01783   0.01074  -0.1495   0.8220   0.0470
  -7.750  -0.2071   0.01728   0.01009  -0.1500   0.8151   0.0536
  -7.500  -0.1815   0.01677   0.00952  -0.1502   0.8074   0.0605
  -7.250  -0.1545   0.01631   0.00895  -0.1505   0.8003   0.0682
  -7.000  -0.1276   0.01589   0.00845  -0.1508   0.7935   0.0767
  -6.750  -0.1007   0.01552   0.00800  -0.1509   0.7866   0.0862
  -6.500  -0.0726   0.01515   0.00755  -0.1514   0.7809   0.0969
  -6.250  -0.0461   0.01480   0.00719  -0.1515   0.7740   0.1082
  -6.000  -0.0184   0.01450   0.00682  -0.1518   0.7677   0.1204
  -5.750   0.0096   0.01422   0.00649  -0.1520   0.7620   0.1337
  -5.500   0.0369   0.01398   0.00621  -0.1522   0.7556   0.1480
  -5.250   0.0652   0.01375   0.00594  -0.1525   0.7503   0.1634
  -5.000   0.0933   0.01356   0.00570  -0.1528   0.7450   0.1794
  -4.750   0.1209   0.01338   0.00551  -0.1529   0.7389   0.1958
  -4.500   0.1493   0.01322   0.00531  -0.1532   0.7336   0.2131
  -4.250   0.1777   0.01310   0.00515  -0.1534   0.7287   0.2307
  -4.000   0.2055   0.01299   0.00503  -0.1536   0.7232   0.2479
  -3.750   0.2339   0.01290   0.00491  -0.1538   0.7182   0.2652
  -3.500   0.2627   0.01283   0.00478  -0.1540   0.7138   0.2819
  -3.250   0.2904   0.01276   0.00472  -0.1541   0.7083   0.2979
  -3.000   0.3186   0.01271   0.00465  -0.1543   0.7035   0.3136
  -2.750   0.3473   0.01268   0.00457  -0.1545   0.6993   0.3287
  -2.500   0.3754   0.01265   0.00453  -0.1546   0.6946   0.3435
  -2.250   0.4032   0.01263   0.00450  -0.1547   0.6896   0.3582
  -2.000   0.4316   0.01262   0.00446  -0.1548   0.6853   0.3729
  -1.500   0.4880   0.01262   0.00445  -0.1551   0.6767   0.4024
  -1.250   0.5158   0.01262   0.00447  -0.1551   0.6720   0.4171
  -1.000   0.5442   0.01264   0.00448  -0.1553   0.6680   0.4320
  -0.750   0.5729   0.01267   0.00449  -0.1555   0.6644   0.4471
  -0.500   0.6000   0.01269   0.00456  -0.1555   0.6597   0.4625
  -0.250   0.6277   0.01272   0.00462  -0.1555   0.6552   0.4783
   0.000   0.6559   0.01276   0.00466  -0.1556   0.6514   0.4949
   0.250   0.6844   0.01281   0.00471  -0.1557   0.6479   0.5117
   0.500   0.7112   0.01285   0.00484  -0.1556   0.6432   0.5290
   0.750   0.7385   0.01290   0.00495  -0.1556   0.6389   0.5470
   1.000   0.7663   0.01295   0.00503  -0.1556   0.6351   0.5656
   1.250   0.7944   0.01302   0.00512  -0.1557   0.6316   0.5849
   1.500   0.8206   0.01309   0.00529  -0.1554   0.6270   0.6047
   1.750   0.8472   0.01315   0.00543  -0.1552   0.6226   0.6252
   2.000   0.8744   0.01322   0.00555  -0.1551   0.6187   0.6467
   2.250   0.9017   0.01330   0.00566  -0.1550   0.6152   0.6682
   2.500   0.9267   0.01339   0.00588  -0.1545   0.6104   0.6910
   2.750   0.9524   0.01347   0.00605  -0.1541   0.6059   0.7150
   3.000   0.9782   0.01353   0.00618  -0.1536   0.6020   0.7398
   3.500   1.0262   0.01370   0.00656  -0.1521   0.5930   0.7956
   3.750   1.0488   0.01375   0.00671  -0.1509   0.5883   0.8288
   4.000   1.0706   0.01377   0.00680  -0.1495   0.5844   0.8694
   4.250   1.0909   0.01374   0.00690  -0.1478   0.5794   0.9547
   4.500   1.1178   0.01389   0.00709  -0.1478   0.5740   1.0000
   4.750   1.1453   0.01406   0.00724  -0.1479   0.5691   1.0000
   5.000   1.1714   0.01426   0.00747  -0.1478   0.5636   1.0000
   5.250   1.1963   0.01445   0.00771  -0.1474   0.5573   1.0000
   5.500   1.2230   0.01462   0.00786  -0.1473   0.5517   1.0000
   5.750   1.2463   0.01483   0.00815  -0.1466   0.5444   1.0000
   6.000   1.2708   0.01502   0.00836  -0.1461   0.5374   1.0000
   6.250   1.2941   0.01523   0.00863  -0.1454   0.5299   1.0000
   6.500   1.3171   0.01544   0.00887  -0.1447   0.5219   1.0000
   6.750   1.3391   0.01567   0.00915  -0.1437   0.5135   1.0000
   7.000   1.3607   0.01590   0.00941  -0.1427   0.5045   1.0000
   7.250   1.3804   0.01617   0.00974  -0.1414   0.4944   1.0000
   7.500   1.3997   0.01644   0.01004  -0.1399   0.4840   1.0000
   7.750   1.4171   0.01675   0.01038  -0.1382   0.4722   1.0000
   8.000   1.4314   0.01709   0.01075  -0.1359   0.4592   1.0000
   8.250   1.4444   0.01749   0.01117  -0.1334   0.4454   1.0000
   8.500   1.4561   0.01796   0.01164  -0.1307   0.4302   1.0000
   8.750   1.4659   0.01853   0.01220  -0.1279   0.4133   1.0000
   9.000   1.4736   0.01922   0.01286  -0.1248   0.3951   1.0000
   9.250   1.4791   0.02006   0.01365  -0.1216   0.3758   1.0000
   9.500   1.4834   0.02104   0.01458  -0.1184   0.3547   1.0000
   9.750   1.4844   0.02225   0.01573  -0.1150   0.3326   1.0000
  10.000   1.4840   0.02367   0.01708  -0.1117   0.3105   1.0000
  10.250   1.4824   0.02530   0.01863  -0.1085   0.2877   1.0000
  10.500   1.4792   0.02716   0.02041  -0.1054   0.2661   1.0000
  10.750   1.4769   0.02913   0.02231  -0.1028   0.2444   1.0000
  11.000   1.4735   0.03131   0.02443  -0.1003   0.2241   1.0000
  11.250   1.4701   0.03363   0.02668  -0.0981   0.2051   1.0000
  11.500   1.4679   0.03599   0.02899  -0.0961   0.1865   1.0000
  11.750   1.4659   0.03844   0.03141  -0.0944   0.1696   1.0000
  12.000   1.4643   0.04096   0.03390  -0.0929   0.1539   1.0000
  12.250   1.4630   0.04356   0.03648  -0.0916   0.1394   1.0000
  12.500   1.4624   0.04620   0.03910  -0.0905   0.1262   1.0000
  12.750   1.4619   0.04891   0.04180  -0.0895   0.1140   1.0000
  13.000   1.4616   0.05169   0.04458  -0.0886   0.1029   1.0000
  13.250   1.4612   0.05458   0.04747  -0.0879   0.0926   1.0000
  13.750   1.4615   0.06044   0.05337  -0.0869   0.0745   1.0000
  14.000   1.4621   0.06345   0.05641  -0.0865   0.0669   1.0000
  14.250   1.4619   0.06661   0.05960  -0.0863   0.0601   1.0000
  14.500   1.4611   0.06992   0.06294  -0.0862   0.0539   1.0000
  14.750   1.4621   0.07308   0.06616  -0.0861   0.0483   1.0000
  15.000   1.4617   0.07648   0.06961  -0.0862   0.0436   1.0000
  15.250   1.4607   0.08003   0.07322  -0.0864   0.0395   1.0000
  15.500   1.4611   0.08346   0.07673  -0.0867   0.0359   1.0000
  15.750   1.4591   0.08727   0.08059  -0.0872   0.0329   1.0000
  16.000   1.4593   0.09084   0.08427  -0.0877   0.0300   1.0000
  16.250   1.4567   0.09488   0.08837  -0.0884   0.0279   1.0000
  16.500   1.4568   0.09856   0.09218  -0.0891   0.0256   1.0000
  16.750   1.4539   0.10274   0.09642  -0.0901   0.0238   1.0000
  17.000   1.4529   0.10668   0.10048  -0.0911   0.0220   1.0000
  17.250   1.4509   0.11083   0.10473  -0.0922   0.0204   1.0000
  17.500   1.4479   0.11517   0.10917  -0.0936   0.0192   1.0000
  17.750   1.4464   0.11933   0.11345  -0.0950   0.0179   1.0000
  18.000   1.4434   0.12374   0.11796  -0.0966   0.0168   1.0000
  18.250   1.4401   0.12826   0.12258  -0.0984   0.0160   1.0000
  18.500   1.4380   0.13260   0.12705  -0.1002   0.0150   1.0000
  18.750   1.4348   0.13716   0.13172  -0.1022   0.0143   1.0000
  19.000   1.4307   0.14193   0.13659  -0.1045   0.0137   1.0000
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