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EPPLER 399 AIRFOIL (e399-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 399 AIRFOIL (e399-il)
Reynolds number: 500,000
Max Cl/Cd: 127.73 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e399-il-500000.txt
Download as CSV file: xf-e399-il-500000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.4724   0.10651   0.10395  -0.0630   1.0000   0.0100
 -14.250  -0.5080   0.09583   0.09315  -0.0678   1.0000   0.0098
 -14.000  -0.5358   0.08743   0.08464  -0.0716   1.0000   0.0096
 -13.750  -0.5609   0.08020   0.07730  -0.0748   1.0000   0.0095
 -13.500  -0.5831   0.07422   0.07124  -0.0770   1.0000   0.0093
 -13.250  -0.6069   0.06902   0.06597  -0.0783   1.0000   0.0093
 -13.000  -0.6159   0.06187   0.05867  -0.0855   0.9980   0.0093
 -12.750  -0.6162   0.05516   0.05177  -0.0938   0.9946   0.0091
 -12.500  -0.6138   0.04906   0.04551  -0.1016   0.9901   0.0093
 -12.250  -0.6056   0.04365   0.03993  -0.1095   0.9849   0.0094
 -12.000  -0.5967   0.03880   0.03492  -0.1164   0.9777   0.0093
 -11.750  -0.5812   0.03437   0.03032  -0.1239   0.9708   0.0095
 -11.500  -0.5696   0.03050   0.02628  -0.1297   0.9590   0.0097
 -11.250  -0.5517   0.02698   0.02257  -0.1361   0.9472   0.0099
 -11.000  -0.5194   0.02429   0.01965  -0.1432   0.9401   0.0102
 -10.750  -0.4916   0.02180   0.01699  -0.1481   0.9307   0.0106
 -10.500  -0.4640   0.02025   0.01533  -0.1509   0.9197   0.0113
 -10.250  -0.4358   0.01907   0.01399  -0.1530   0.9089   0.0121
 -10.000  -0.4101   0.01802   0.01275  -0.1541   0.8973   0.0129
  -9.750  -0.3892   0.01698   0.01160  -0.1544   0.8848   0.0139
  -9.500  -0.3650   0.01629   0.01077  -0.1546   0.8743   0.0155
  -9.250  -0.3412   0.01544   0.00981  -0.1549   0.8643   0.0179
  -9.000  -0.3180   0.01474   0.00902  -0.1548   0.8540   0.0208
  -8.750  -0.2926   0.01417   0.00837  -0.1550   0.8451   0.0255
  -8.500  -0.2675   0.01370   0.00782  -0.1550   0.8359   0.0306
  -8.250  -0.2412   0.01329   0.00735  -0.1551   0.8280   0.0362
  -8.000  -0.2152   0.01291   0.00693  -0.1551   0.8196   0.0421
  -7.750  -0.1883   0.01258   0.00653  -0.1553   0.8122   0.0485
  -7.500  -0.1620   0.01223   0.00616  -0.1554   0.8040   0.0556
  -7.250  -0.1346   0.01191   0.00579  -0.1556   0.7971   0.0635
  -7.000  -0.1078   0.01159   0.00547  -0.1557   0.7896   0.0726
  -6.750  -0.0803   0.01131   0.00515  -0.1559   0.7830   0.0829
  -6.500  -0.0527   0.01103   0.00486  -0.1561   0.7764   0.0939
  -6.250  -0.0251   0.01077   0.00459  -0.1563   0.7695   0.1061
  -6.000   0.0030   0.01057   0.00434  -0.1565   0.7635   0.1196
  -5.750   0.0308   0.01034   0.00413  -0.1567   0.7569   0.1339
  -5.500   0.0590   0.01016   0.00392  -0.1569   0.7510   0.1488
  -5.250   0.0874   0.01000   0.00375  -0.1572   0.7455   0.1646
  -5.000   0.1155   0.00983   0.00359  -0.1574   0.7394   0.1810
  -4.750   0.1439   0.00970   0.00344  -0.1576   0.7338   0.1983
  -4.500   0.1725   0.00959   0.00333  -0.1579   0.7285   0.2161
  -4.250   0.2008   0.00947   0.00322  -0.1581   0.7230   0.2339
  -4.000   0.2294   0.00940   0.00313  -0.1583   0.7178   0.2514
  -3.750   0.2582   0.00935   0.00306  -0.1585   0.7129   0.2687
  -3.500   0.2866   0.00927   0.00300  -0.1587   0.7077   0.2855
  -3.250   0.3152   0.00922   0.00294  -0.1589   0.7029   0.3017
  -3.000   0.3442   0.00922   0.00290  -0.1592   0.6984   0.3172
  -2.750   0.3726   0.00916   0.00288  -0.1594   0.6936   0.3320
  -2.500   0.4011   0.00912   0.00285  -0.1596   0.6888   0.3464
  -2.250   0.4299   0.00912   0.00282  -0.1598   0.6845   0.3605
  -2.000   0.4588   0.00914   0.00281  -0.1600   0.6802   0.3744
  -1.750   0.4871   0.00912   0.00281  -0.1602   0.6757   0.3884
  -1.500   0.5157   0.00910   0.00281  -0.1604   0.6713   0.4027
  -1.250   0.5445   0.00912   0.00282  -0.1606   0.6673   0.4171
  -1.000   0.5732   0.00914   0.00285  -0.1608   0.6632   0.4314
  -0.750   0.6015   0.00913   0.00288  -0.1610   0.6589   0.4464
  -0.500   0.6299   0.00913   0.00291  -0.1611   0.6548   0.4619
  -0.250   0.6587   0.00917   0.00293  -0.1613   0.6509   0.4780
   0.000   0.6873   0.00922   0.00300  -0.1616   0.6470   0.4947
   0.250   0.7154   0.00921   0.00306  -0.1617   0.6429   0.5119
   0.500   0.7437   0.00922   0.00312  -0.1618   0.6388   0.5298
   0.750   0.7721   0.00926   0.00317  -0.1620   0.6350   0.5483
   1.000   0.8008   0.00933   0.00327  -0.1622   0.6312   0.5677
   1.250   0.8285   0.00934   0.00336  -0.1622   0.6271   0.5876
   1.500   0.8564   0.00936   0.00345  -0.1623   0.6230   0.6084
   1.750   0.8845   0.00941   0.00352  -0.1624   0.6191   0.6300
   2.000   0.9129   0.00950   0.00364  -0.1625   0.6152   0.6517
   2.250   0.9400   0.00951   0.00377  -0.1624   0.6111   0.6743
   2.500   0.9673   0.00954   0.00387  -0.1623   0.6068   0.6980
   2.750   0.9946   0.00958   0.00397  -0.1623   0.6027   0.7215
   3.000   1.0222   0.00968   0.00412  -0.1622   0.5986   0.7469
   3.250   1.0480   0.00969   0.00425  -0.1618   0.5942   0.7729
   3.500   1.0738   0.00971   0.00437  -0.1614   0.5896   0.8008
   3.750   1.0992   0.00977   0.00448  -0.1609   0.5852   0.8315
   4.000   1.1224   0.00980   0.00462  -0.1599   0.5806   0.8664
   4.250   1.1405   0.00972   0.00469  -0.1576   0.5755   0.9163
   4.500   1.1656   0.00970   0.00470  -0.1571   0.5703   1.0000
   4.750   1.1932   0.00985   0.00483  -0.1572   0.5649   1.0000
   5.000   1.2195   0.00994   0.00496  -0.1570   0.5589   1.0000
   5.250   1.2462   0.01008   0.00508  -0.1569   0.5530   1.0000
   5.500   1.2722   0.01021   0.00524  -0.1567   0.5470   1.0000
   5.750   1.2975   0.01032   0.00538  -0.1563   0.5402   1.0000
   6.000   1.3229   0.01050   0.00553  -0.1559   0.5336   1.0000
   6.250   1.3473   0.01060   0.00570  -0.1554   0.5258   1.0000
   6.500   1.3714   0.01080   0.00586  -0.1548   0.5182   1.0000
   6.750   1.3948   0.01092   0.00606  -0.1540   0.5091   1.0000
   7.000   1.4174   0.01112   0.00625  -0.1532   0.5001   1.0000
   7.250   1.4393   0.01132   0.00646  -0.1521   0.4898   1.0000
   7.500   1.4604   0.01153   0.00670  -0.1510   0.4785   1.0000
   7.750   1.4800   0.01179   0.00696  -0.1496   0.4663   1.0000
   8.000   1.4972   0.01209   0.00724  -0.1477   0.4530   1.0000
   8.250   1.5114   0.01244   0.00757  -0.1452   0.4374   1.0000
   8.500   1.5240   0.01286   0.00796  -0.1426   0.4196   1.0000
   8.750   1.5339   0.01339   0.00843  -0.1395   0.3983   1.0000
   9.000   1.5407   0.01409   0.00903  -0.1361   0.3755   1.0000
   9.250   1.5467   0.01488   0.00973  -0.1326   0.3501   1.0000
   9.500   1.5506   0.01582   0.01058  -0.1290   0.3260   1.0000
   9.750   1.5528   0.01692   0.01156  -0.1254   0.3009   1.0000
  10.000   1.5542   0.01814   0.01269  -0.1219   0.2766   1.0000
  10.250   1.5538   0.01957   0.01401  -0.1184   0.2529   1.0000
  10.500   1.5537   0.02109   0.01544  -0.1152   0.2298   1.0000
  10.750   1.5528   0.02279   0.01704  -0.1121   0.2082   1.0000
  11.000   1.5520   0.02460   0.01877  -0.1093   0.1882   1.0000
  11.250   1.5512   0.02652   0.02062  -0.1068   0.1686   1.0000
  11.500   1.5504   0.02855   0.02258  -0.1045   0.1511   1.0000
  11.750   1.5495   0.03070   0.02466  -0.1023   0.1350   1.0000
  12.250   1.5484   0.03522   0.02909  -0.0987   0.1064   1.0000
  12.500   1.5483   0.03759   0.03143  -0.0971   0.0942   1.0000
  12.750   1.5480   0.04007   0.03387  -0.0957   0.0828   1.0000
  13.000   1.5480   0.04260   0.03638  -0.0945   0.0726   1.0000
  13.250   1.5485   0.04518   0.03894  -0.0934   0.0636   1.0000
  13.500   1.5494   0.04779   0.04156  -0.0925   0.0558   1.0000
  13.750   1.5497   0.05053   0.04431  -0.0917   0.0488   1.0000
  14.000   1.5504   0.05333   0.04712  -0.0910   0.0431   1.0000
  14.250   1.5502   0.05629   0.05009  -0.0904   0.0381   1.0000
  14.500   1.5507   0.05926   0.05309  -0.0899   0.0339   1.0000
  14.750   1.5516   0.06225   0.05613  -0.0896   0.0303   1.0000
  15.000   1.5507   0.06552   0.05945  -0.0893   0.0273   1.0000
  15.250   1.5519   0.06861   0.06259  -0.0892   0.0247   1.0000
  15.500   1.5515   0.07197   0.06601  -0.0892   0.0224   1.0000
  15.750   1.5514   0.07536   0.06945  -0.0893   0.0205   1.0000
  16.000   1.5508   0.07888   0.07304  -0.0895   0.0187   1.0000
  16.250   1.5506   0.08242   0.07666  -0.0899   0.0172   1.0000
  16.500   1.5477   0.08640   0.08072  -0.0904   0.0159   1.0000
  16.750   1.5484   0.08991   0.08431  -0.0909   0.0146   1.0000
  17.000   1.5430   0.09441   0.08887  -0.0917   0.0136   1.0000
  17.250   1.5429   0.09815   0.09272  -0.0925   0.0125   1.0000
  17.500   1.5414   0.10215   0.09680  -0.0934   0.0116   1.0000
  17.750   1.5336   0.10721   0.10193  -0.0947   0.0109   1.0000
  18.000   1.5337   0.11106   0.10590  -0.0958   0.0102   1.0000
  18.250   1.5314   0.11532   0.11026  -0.0971   0.0095   1.0000
  18.500   1.5262   0.12012   0.11514  -0.0988   0.0090   1.0000
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