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EPPLER 399 AIRFOIL (e399-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 399 AIRFOIL (e399-il)
Reynolds number: 1,000,000
Max Cl/Cd: 161.48 at α=5.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e399-il-1000000.txt
Download as CSV file: xf-e399-il-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.6082   0.08602   0.08354  -0.0713   1.0000   0.0055
 -14.500  -0.6273   0.08004   0.07748  -0.0738   1.0000   0.0056
 -14.250  -0.6453   0.07464   0.07203  -0.0757   1.0000   0.0056
 -14.000  -0.6530   0.06781   0.06509  -0.0820   0.9990   0.0055
 -13.750  -0.6601   0.06086   0.05802  -0.0893   0.9971   0.0055
 -13.500  -0.6630   0.05437   0.05142  -0.0968   0.9948   0.0054
 -13.250  -0.6664   0.04788   0.04480  -0.1044   0.9916   0.0055
 -13.000  -0.6677   0.04158   0.03836  -0.1122   0.9865   0.0055
 -12.750  -0.6587   0.03582   0.03246  -0.1211   0.9826   0.0054
 -12.500  -0.6563   0.03061   0.02709  -0.1279   0.9711   0.0055
 -12.250  -0.6458   0.02626   0.02259  -0.1347   0.9568   0.0056
 -12.000  -0.6125   0.02227   0.01836  -0.1459   0.9451   0.0056
 -11.750  -0.5772   0.02024   0.01615  -0.1519   0.9332   0.0057
 -11.500  -0.5479   0.01884   0.01456  -0.1550   0.9169   0.0059
 -11.250  -0.5260   0.01784   0.01338  -0.1559   0.8992   0.0060
 -11.000  -0.5059   0.01707   0.01246  -0.1558   0.8836   0.0060
 -10.750  -0.4893   0.01593   0.01114  -0.1555   0.8695   0.0063
 -10.500  -0.4693   0.01505   0.01013  -0.1553   0.8575   0.0067
 -10.250  -0.4466   0.01448   0.00944  -0.1551   0.8466   0.0072
 -10.000  -0.4230   0.01396   0.00881  -0.1549   0.8360   0.0076
  -9.750  -0.3987   0.01349   0.00823  -0.1548   0.8267   0.0081
  -9.500  -0.3749   0.01285   0.00751  -0.1547   0.8173   0.0094
  -9.250  -0.3497   0.01236   0.00693  -0.1547   0.8091   0.0109
  -9.000  -0.3241   0.01193   0.00643  -0.1547   0.8006   0.0130
  -8.750  -0.2982   0.01146   0.00592  -0.1548   0.7927   0.0169
  -8.500  -0.2718   0.01110   0.00553  -0.1549   0.7846   0.0213
  -8.250  -0.2450   0.01080   0.00519  -0.1550   0.7773   0.0257
  -8.000  -0.2178   0.01051   0.00488  -0.1551   0.7699   0.0302
  -7.750  -0.1907   0.01026   0.00458  -0.1552   0.7631   0.0348
  -7.500  -0.1629   0.01000   0.00431  -0.1554   0.7563   0.0399
  -7.250  -0.1355   0.00978   0.00405  -0.1555   0.7494   0.0456
  -7.000  -0.1075   0.00954   0.00381  -0.1558   0.7430   0.0523
  -6.750  -0.0796   0.00932   0.00359  -0.1560   0.7363   0.0607
  -6.500  -0.0518   0.00911   0.00337  -0.1561   0.7303   0.0711
  -6.250  -0.0234   0.00888   0.00318  -0.1565   0.7245   0.0832
  -6.000   0.0048   0.00870   0.00300  -0.1567   0.7184   0.0952
  -5.750   0.0330   0.00854   0.00283  -0.1569   0.7127   0.1070
  -5.500   0.0617   0.00836   0.00268  -0.1572   0.7070   0.1200
  -5.250   0.0901   0.00822   0.00254  -0.1574   0.7015   0.1335
  -5.000   0.1186   0.00810   0.00242  -0.1577   0.6964   0.1474
  -4.750   0.1475   0.00796   0.00230  -0.1580   0.6911   0.1620
  -4.500   0.1761   0.00786   0.00220  -0.1582   0.6859   0.1768
  -4.250   0.2045   0.00778   0.00212  -0.1584   0.6809   0.1926
  -4.000   0.2337   0.00766   0.00204  -0.1588   0.6765   0.2096
  -3.750   0.2625   0.00757   0.00197  -0.1590   0.6716   0.2261
  -3.500   0.2909   0.00752   0.00191  -0.1592   0.6667   0.2420
  -3.250   0.3199   0.00746   0.00187  -0.1595   0.6625   0.2581
  -3.000   0.3489   0.00739   0.00183  -0.1598   0.6582   0.2739
  -2.750   0.3777   0.00736   0.00180  -0.1600   0.6537   0.2885
  -2.250   0.4352   0.00732   0.00177  -0.1605   0.6454   0.3162
  -2.000   0.4642   0.00728   0.00175  -0.1607   0.6414   0.3295
  -1.750   0.4928   0.00727   0.00174  -0.1609   0.6371   0.3418
  -1.500   0.5212   0.00731   0.00175  -0.1610   0.6328   0.3546
  -1.250   0.5502   0.00728   0.00176  -0.1613   0.6294   0.3674
  -1.000   0.5792   0.00725   0.00177  -0.1616   0.6256   0.3808
  -0.750   0.6078   0.00726   0.00178  -0.1618   0.6216   0.3940
  -0.500   0.6361   0.00729   0.00180  -0.1619   0.6176   0.4071
  -0.250   0.6648   0.00730   0.00184  -0.1621   0.6140   0.4212
   0.000   0.6937   0.00728   0.00187  -0.1624   0.6104   0.4361
   0.250   0.7222   0.00729   0.00190  -0.1626   0.6066   0.4514
   0.500   0.7505   0.00732   0.00195  -0.1627   0.6026   0.4666
   0.750   0.7787   0.00736   0.00201  -0.1629   0.5987   0.4826
   1.000   0.8075   0.00735   0.00205  -0.1631   0.5954   0.4994
   1.250   0.8360   0.00736   0.00211  -0.1633   0.5915   0.5166
   1.500   0.8641   0.00740   0.00217  -0.1634   0.5876   0.5344
   1.750   0.8918   0.00747   0.00226  -0.1634   0.5832   0.5528
   2.000   0.9204   0.00746   0.00232  -0.1636   0.5799   0.5719
   2.250   0.9487   0.00748   0.00240  -0.1638   0.5759   0.5918
   2.500   0.9764   0.00752   0.00248  -0.1638   0.5716   0.6119
   2.750   1.0037   0.00761   0.00259  -0.1638   0.5670   0.6323
   3.000   1.0320   0.00761   0.00268  -0.1639   0.5632   0.6539
   3.250   1.0597   0.00763   0.00277  -0.1640   0.5586   0.6759
   3.500   1.0867   0.00770   0.00287  -0.1639   0.5536   0.6980
   3.750   1.1138   0.00775   0.00299  -0.1638   0.5486   0.7212
   4.000   1.1412   0.00778   0.00309  -0.1638   0.5432   0.7457
   4.250   1.1674   0.00785   0.00322  -0.1635   0.5376   0.7705
   4.500   1.1938   0.00790   0.00335  -0.1633   0.5322   0.7987
   4.750   1.2198   0.00793   0.00347  -0.1629   0.5262   0.8284
   5.000   1.2435   0.00801   0.00361  -0.1621   0.5197   0.8629
   5.250   1.2651   0.00798   0.00372  -0.1608   0.5136   0.9120
   5.500   1.2867   0.00799   0.00378  -0.1594   0.5063   1.0000
   5.750   1.3128   0.00813   0.00392  -0.1592   0.4987   1.0000
   6.000   1.3380   0.00829   0.00407  -0.1589   0.4896   1.0000
   6.250   1.3634   0.00845   0.00422  -0.1585   0.4801   1.0000
   6.500   1.3871   0.00867   0.00441  -0.1579   0.4694   1.0000
   6.750   1.4105   0.00889   0.00460  -0.1572   0.4569   1.0000
   7.000   1.4334   0.00913   0.00482  -0.1564   0.4433   1.0000
   7.250   1.4549   0.00942   0.00506  -0.1553   0.4281   1.0000
   7.500   1.4743   0.00978   0.00535  -0.1539   0.4101   1.0000
   7.750   1.4907   0.01019   0.00568  -0.1519   0.3892   1.0000
   8.000   1.5033   0.01071   0.00608  -0.1492   0.3639   1.0000
   8.250   1.5136   0.01132   0.00656  -0.1462   0.3361   1.0000
   8.500   1.5225   0.01200   0.00711  -0.1430   0.3091   1.0000
   8.750   1.5310   0.01273   0.00770  -0.1398   0.2837   1.0000
   9.000   1.5387   0.01350   0.00836  -0.1366   0.2587   1.0000
   9.250   1.5441   0.01440   0.00913  -0.1332   0.2342   1.0000
   9.500   1.5489   0.01536   0.00998  -0.1298   0.2103   1.0000
   9.750   1.5530   0.01641   0.01092  -0.1264   0.1890   1.0000
  10.000   1.5566   0.01755   0.01196  -0.1232   0.1679   1.0000
  10.250   1.5592   0.01882   0.01314  -0.1201   0.1493   1.0000
  10.500   1.5614   0.02019   0.01443  -0.1171   0.1308   1.0000
  10.750   1.5647   0.02160   0.01577  -0.1144   0.1153   1.0000
  11.000   1.5678   0.02310   0.01721  -0.1119   0.1013   1.0000
  11.250   1.5697   0.02477   0.01882  -0.1095   0.0875   1.0000
  11.500   1.5732   0.02643   0.02044  -0.1074   0.0767   1.0000
  11.750   1.5764   0.02817   0.02215  -0.1054   0.0668   1.0000
  12.000   1.5800   0.02996   0.02391  -0.1036   0.0585   1.0000
  12.250   1.5832   0.03185   0.02579  -0.1019   0.0510   1.0000
  12.500   1.5857   0.03387   0.02779  -0.1003   0.0438   1.0000
  12.750   1.5888   0.03592   0.02984  -0.0989   0.0380   1.0000
  13.000   1.5919   0.03804   0.03196  -0.0976   0.0329   1.0000
  13.250   1.5966   0.04007   0.03401  -0.0965   0.0291   1.0000
  13.500   1.6010   0.04219   0.03615  -0.0955   0.0257   1.0000
  13.750   1.6047   0.04445   0.03844  -0.0945   0.0228   1.0000
  14.000   1.6084   0.04676   0.04078  -0.0937   0.0203   1.0000
  14.250   1.6131   0.04903   0.04308  -0.0930   0.0183   1.0000
  14.500   1.6163   0.05150   0.04559  -0.0924   0.0165   1.0000
  14.750   1.6207   0.05391   0.04806  -0.0919   0.0150   1.0000
  15.000   1.6233   0.05658   0.05077  -0.0914   0.0136   1.0000
  15.250   1.6278   0.05907   0.05331  -0.0910   0.0125   1.0000
  15.500   1.6300   0.06189   0.05618  -0.0907   0.0114   1.0000
  15.750   1.6332   0.06463   0.05899  -0.0905   0.0105   1.0000
  16.000   1.6358   0.06753   0.06194  -0.0904   0.0095   1.0000
  16.250   1.6365   0.07072   0.06518  -0.0904   0.0087   1.0000
  16.500   1.6398   0.07360   0.06813  -0.0905   0.0079   1.0000
  16.750   1.6400   0.07696   0.07155  -0.0907   0.0072   1.0000
  17.000   1.6401   0.08039   0.07506  -0.0910   0.0067   1.0000
  17.250   1.6417   0.08365   0.07840  -0.0913   0.0061   1.0000
  17.500   1.6407   0.08735   0.08216  -0.0918   0.0056   1.0000
  17.750   1.6378   0.09138   0.08627  -0.0925   0.0052   1.0000
  18.000   1.6384   0.09493   0.08991  -0.0931   0.0048   1.0000
  18.250   1.6372   0.09883   0.09389  -0.0940   0.0045   1.0000
  18.500   1.6353   0.10287   0.09801  -0.0950   0.0042   1.0000
  18.750   1.6306   0.10738   0.10260  -0.0962   0.0040   1.0000
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