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EPPLER 399 AIRFOIL (e399-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 399 AIRFOIL (e399-il)
Reynolds number: 500,000
Max Cl/Cd: 123.25 at α=6°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e399-il-500000-n5.txt
Download as CSV file: xf-e399-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.000  -0.4657   0.13054   0.12783  -0.0537   1.0000   0.0055
 -15.750  -0.4815   0.12332   0.12054  -0.0565   1.0000   0.0055
 -15.500  -0.4964   0.11659   0.11375  -0.0591   1.0000   0.0055
 -15.250  -0.5108   0.11020   0.10730  -0.0617   1.0000   0.0055
 -15.000  -0.5222   0.10469   0.10174  -0.0638   1.0000   0.0054
 -14.750  -0.5354   0.09899   0.09600  -0.0660   1.0000   0.0053
 -14.500  -0.5547   0.09242   0.08936  -0.0686   1.0000   0.0054
 -14.250  -0.5670   0.08532   0.08218  -0.0735   0.9992   0.0054
 -14.000  -0.5769   0.07769   0.07444  -0.0800   0.9974   0.0054
 -13.750  -0.5888   0.07004   0.06668  -0.0868   0.9946   0.0054
 -13.500  -0.6008   0.06295   0.05948  -0.0931   0.9907   0.0053
 -13.250  -0.6126   0.05579   0.05218  -0.0999   0.9852   0.0054
 -13.000  -0.6255   0.04921   0.04547  -0.1058   0.9755   0.0054
 -12.500  -0.6348   0.03707   0.03302  -0.1195   0.9472   0.0054
 -12.250  -0.6159   0.03165   0.02737  -0.1297   0.9358   0.0056
 -12.000  -0.5867   0.02686   0.02233  -0.1412   0.9229   0.0057
 -11.750  -0.5620   0.02379   0.01899  -0.1487   0.9040   0.0059
 -11.500  -0.5426   0.02217   0.01716  -0.1512   0.8864   0.0061
 -11.250  -0.5275   0.02078   0.01557  -0.1519   0.8705   0.0063
 -11.000  -0.5098   0.01977   0.01441  -0.1520   0.8578   0.0066
 -10.750  -0.4902   0.01894   0.01342  -0.1520   0.8465   0.0069
 -10.500  -0.4700   0.01817   0.01252  -0.1519   0.8355   0.0074
 -10.250  -0.4483   0.01750   0.01170  -0.1518   0.8258   0.0079
 -10.000  -0.4264   0.01680   0.01088  -0.1517   0.8160   0.0086
  -9.750  -0.4032   0.01620   0.01018  -0.1517   0.8074   0.0094
  -9.500  -0.3793   0.01566   0.00952  -0.1516   0.7992   0.0105
  -9.250  -0.3549   0.01511   0.00889  -0.1517   0.7915   0.0120
  -9.000  -0.3300   0.01464   0.00832  -0.1517   0.7836   0.0137
  -8.750  -0.3046   0.01418   0.00780  -0.1517   0.7762   0.0163
  -8.500  -0.2789   0.01377   0.00732  -0.1518   0.7685   0.0194
  -8.250  -0.2528   0.01338   0.00688  -0.1519   0.7621   0.0233
  -8.000  -0.2262   0.01301   0.00646  -0.1521   0.7553   0.0277
  -7.750  -0.1997   0.01268   0.00608  -0.1522   0.7488   0.0326
  -7.500  -0.1726   0.01236   0.00573  -0.1524   0.7424   0.0383
  -7.250  -0.1456   0.01206   0.00539  -0.1525   0.7357   0.0443
  -7.000  -0.1183   0.01178   0.00508  -0.1527   0.7299   0.0516
  -6.750  -0.0907   0.01150   0.00479  -0.1529   0.7241   0.0596
  -6.500  -0.0630   0.01127   0.00452  -0.1531   0.7183   0.0674
  -6.250  -0.0352   0.01106   0.00427  -0.1533   0.7130   0.0760
  -6.000  -0.0072   0.01083   0.00404  -0.1535   0.7072   0.0860
  -5.750   0.0207   0.01063   0.00382  -0.1537   0.7015   0.0970
  -5.500   0.0488   0.01045   0.00362  -0.1540   0.6967   0.1082
  -5.250   0.0772   0.01026   0.00344  -0.1542   0.6917   0.1200
  -5.000   0.1055   0.01011   0.00327  -0.1544   0.6865   0.1320
  -4.500   0.1622   0.00984   0.00299  -0.1549   0.6768   0.1595
  -4.250   0.1907   0.00971   0.00286  -0.1552   0.6720   0.1744
  -4.000   0.2191   0.00961   0.00275  -0.1554   0.6675   0.1893
  -3.750   0.2476   0.00952   0.00266  -0.1556   0.6632   0.2047
  -3.500   0.2763   0.00942   0.00258  -0.1559   0.6585   0.2207
  -3.250   0.3048   0.00935   0.00251  -0.1561   0.6540   0.2366
  -2.750   0.3619   0.00924   0.00241  -0.1565   0.6460   0.2673
  -2.500   0.3906   0.00919   0.00238  -0.1568   0.6417   0.2820
  -2.250   0.4191   0.00916   0.00235  -0.1569   0.6374   0.2958
  -2.000   0.4474   0.00915   0.00232  -0.1571   0.6336   0.3089
  -1.750   0.4760   0.00913   0.00231  -0.1573   0.6299   0.3217
  -1.500   0.5046   0.00911   0.00231  -0.1575   0.6257   0.3350
  -1.250   0.5331   0.00910   0.00231  -0.1577   0.6217   0.3482
  -1.000   0.5614   0.00911   0.00232  -0.1578   0.6179   0.3605
  -0.750   0.5897   0.00913   0.00234  -0.1580   0.6143   0.3734
  -0.500   0.6183   0.00912   0.00236  -0.1582   0.6105   0.3869
  -0.250   0.6466   0.00913   0.00239  -0.1583   0.6066   0.4004
   0.000   0.6748   0.00915   0.00243  -0.1584   0.6027   0.4137
   0.250   0.7028   0.00919   0.00247  -0.1585   0.5992   0.4273
   0.500   0.7313   0.00920   0.00253  -0.1587   0.5956   0.4418
   0.750   0.7594   0.00922   0.00259  -0.1588   0.5916   0.4566
   1.000   0.7874   0.00925   0.00265  -0.1589   0.5876   0.4720
   1.250   0.8152   0.00931   0.00272  -0.1590   0.5840   0.4875
   1.500   0.8433   0.00933   0.00281  -0.1591   0.5804   0.5037
   1.750   0.8712   0.00936   0.00290  -0.1592   0.5763   0.5205
   2.000   0.8989   0.00941   0.00299  -0.1592   0.5722   0.5379
   2.250   0.9262   0.00947   0.00309  -0.1592   0.5682   0.5558
   2.500   0.9539   0.00952   0.00320  -0.1593   0.5644   0.5744
   2.750   0.9815   0.00956   0.00331  -0.1593   0.5599   0.5929
   3.000   1.0086   0.00963   0.00343  -0.1592   0.5554   0.6122
   3.500   1.0625   0.00976   0.00370  -0.1590   0.5464   0.6519
   3.750   1.0891   0.00982   0.00384  -0.1588   0.5412   0.6735
   4.000   1.1151   0.00992   0.00398  -0.1585   0.5360   0.6955
   4.250   1.1414   0.00998   0.00414  -0.1583   0.5305   0.7183
   4.500   1.1669   0.01006   0.00430  -0.1579   0.5239   0.7429
   4.750   1.1914   0.01016   0.00447  -0.1573   0.5175   0.7688
   5.000   1.2160   0.01023   0.00464  -0.1567   0.5101   0.7977
   5.250   1.2382   0.01034   0.00482  -0.1556   0.5028   0.8306
   5.500   1.2592   0.01037   0.00499  -0.1542   0.4950   0.8716
   5.750   1.2758   0.01037   0.00507  -0.1518   0.4869   1.0000
   6.000   1.3003   0.01055   0.00527  -0.1513   0.4768   1.0000
   6.250   1.3233   0.01078   0.00549  -0.1505   0.4663   1.0000
   6.500   1.3447   0.01106   0.00573  -0.1495   0.4543   1.0000
   6.750   1.3653   0.01135   0.00599  -0.1483   0.4405   1.0000
   7.000   1.3840   0.01168   0.00628  -0.1467   0.4252   1.0000
   7.250   1.4000   0.01205   0.00661  -0.1447   0.4089   1.0000
   7.500   1.4143   0.01250   0.00700  -0.1423   0.3907   1.0000
   7.750   1.4275   0.01301   0.00744  -0.1399   0.3703   1.0000
   8.000   1.4379   0.01364   0.00798  -0.1370   0.3479   1.0000
   8.250   1.4474   0.01434   0.00859  -0.1341   0.3259   1.0000
   8.500   1.4547   0.01517   0.00930  -0.1310   0.3013   1.0000
   8.750   1.4603   0.01611   0.01014  -0.1277   0.2769   1.0000
   9.000   1.4641   0.01719   0.01111  -0.1244   0.2524   1.0000
   9.250   1.4672   0.01839   0.01219  -0.1212   0.2276   1.0000
   9.500   1.4692   0.01973   0.01342  -0.1180   0.2047   1.0000
   9.750   1.4723   0.02109   0.01470  -0.1152   0.1838   1.0000
  10.000   1.4762   0.02250   0.01604  -0.1126   0.1663   1.0000
  10.250   1.4799   0.02400   0.01749  -0.1102   0.1501   1.0000
  10.500   1.4834   0.02559   0.01903  -0.1080   0.1350   1.0000
  10.750   1.4877   0.02721   0.02061  -0.1060   0.1217   1.0000
  11.000   1.4912   0.02896   0.02232  -0.1041   0.1088   1.0000
  11.250   1.4946   0.03078   0.02411  -0.1023   0.0968   1.0000
  11.500   1.4984   0.03265   0.02597  -0.1007   0.0864   1.0000
  11.750   1.5017   0.03463   0.02793  -0.0992   0.0766   1.0000
  12.000   1.5048   0.03670   0.02999  -0.0978   0.0676   1.0000
  12.250   1.5080   0.03882   0.03211  -0.0965   0.0598   1.0000
  12.500   1.5111   0.04102   0.03431  -0.0953   0.0531   1.0000
  12.750   1.5146   0.04325   0.03654  -0.0943   0.0466   1.0000
  13.000   1.5178   0.04557   0.03888  -0.0934   0.0407   1.0000
  13.250   1.5212   0.04794   0.04127  -0.0925   0.0358   1.0000
  13.500   1.5243   0.05040   0.04376  -0.0918   0.0318   1.0000
  13.750   1.5270   0.05296   0.04634  -0.0912   0.0278   1.0000
  14.000   1.5311   0.05544   0.04886  -0.0907   0.0248   1.0000
  14.250   1.5344   0.05805   0.05153  -0.0903   0.0225   1.0000
  14.500   1.5378   0.06070   0.05423  -0.0899   0.0203   1.0000
  14.750   1.5412   0.06342   0.05701  -0.0897   0.0184   1.0000
  15.000   1.5434   0.06633   0.05997  -0.0895   0.0167   1.0000
  15.250   1.5468   0.06914   0.06285  -0.0894   0.0152   1.0000
  15.500   1.5482   0.07226   0.06603  -0.0894   0.0137   1.0000
  15.750   1.5508   0.07529   0.06913  -0.0895   0.0126   1.0000
  16.000   1.5525   0.07847   0.07238  -0.0897   0.0115   1.0000
  16.250   1.5537   0.08178   0.07577  -0.0900   0.0105   1.0000
  16.500   1.5555   0.08505   0.07913  -0.0904   0.0097   1.0000
  16.750   1.5554   0.08864   0.08278  -0.0909   0.0089   1.0000
  17.000   1.5564   0.09212   0.08635  -0.0914   0.0083   1.0000
  17.250   1.5571   0.09568   0.09000  -0.0921   0.0075   1.0000
  17.500   1.5560   0.09957   0.09397  -0.0929   0.0070   1.0000
  17.750   1.5559   0.10334   0.09783  -0.0938   0.0065   1.0000
  18.000   1.5556   0.10714   0.10173  -0.0948   0.0060   1.0000
  18.250   1.5541   0.11121   0.10589  -0.0960   0.0056   1.0000
  18.500   1.5518   0.11542   0.11018  -0.0973   0.0053   1.0000
  18.750   1.5507   0.11945   0.11432  -0.0987   0.0050   1.0000
  19.000   1.5490   0.12364   0.11861  -0.1002   0.0047   1.0000
  19.250   1.5468   0.12792   0.12299  -0.1018   0.0044   1.0000
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