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EPPLER 399 AIRFOIL (e399-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 399 AIRFOIL (e399-il)
Reynolds number: 100,000
Max Cl/Cd: 46.65 at α=10.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e399-il-100000.txt
Download as CSV file: xf-e399-il-100000.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 =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
  -9.500  -0.2758   0.11361   0.10936  -0.0537   0.9823   0.1314
  -9.250  -0.3812   0.08200   0.07791  -0.0773   0.9717   0.0649
  -9.000  -0.4675   0.06282   0.05845  -0.0976   0.9532   0.0560
  -8.750  -0.4761   0.05422   0.04929  -0.1081   0.9426   0.0560
  -8.500  -0.4778   0.04857   0.04306  -0.1121   0.9318   0.0565
  -8.250  -0.4440   0.04603   0.04059  -0.1154   0.9284   0.0603
  -8.000  -0.4374   0.04239   0.03636  -0.1167   0.9182   0.0635
  -7.750  -0.4031   0.03966   0.03339  -0.1206   0.9141   0.0704
  -7.500  -0.3858   0.03709   0.03030  -0.1215   0.9058   0.0767
  -7.250  -0.3527   0.03531   0.02815  -0.1240   0.9006   0.0868
  -7.000  -0.3123   0.03361   0.02623  -0.1275   0.8975   0.0991
  -6.750  -0.2970   0.03300   0.02572  -0.1262   0.8889   0.1074
  -6.500  -0.2613   0.03172   0.02427  -0.1285   0.8842   0.1208
  -6.250  -0.2182   0.03046   0.02280  -0.1318   0.8813   0.1378
  -6.000  -0.2040   0.03007   0.02243  -0.1303   0.8730   0.1482
  -5.750  -0.1695   0.02930   0.02156  -0.1320   0.8683   0.1656
  -5.500  -0.1262   0.02838   0.02046  -0.1351   0.8654   0.1881
  -5.250  -0.1089   0.02831   0.02037  -0.1339   0.8576   0.2039
  -5.000  -0.0780   0.02798   0.02012  -0.1348   0.8524   0.2242
  -4.750  -0.0364   0.02753   0.01955  -0.1374   0.8495   0.2508
  -4.500   0.0094   0.02706   0.01916  -0.1405   0.8476   0.2774
  -4.250   0.0095   0.02766   0.01975  -0.1365   0.8367   0.2900
  -4.000   0.0502   0.02736   0.01937  -0.1388   0.8336   0.3173
  -3.750   0.0947   0.02701   0.01907  -0.1415   0.8316   0.3435
  -3.500   0.0930   0.02784   0.01987  -0.1374   0.8213   0.3562
  -3.250   0.1304   0.02766   0.01970  -0.1389   0.8178   0.3803
  -3.000   0.1751   0.02730   0.01928  -0.1416   0.8156   0.4072
  -2.750   0.1727   0.02832   0.02032  -0.1374   0.8060   0.4191
  -2.500   0.2062   0.02826   0.02024  -0.1384   0.8019   0.4416
  -2.250   0.2483   0.02795   0.01996  -0.1404   0.7995   0.4649
  -2.000   0.2496   0.02896   0.02096  -0.1369   0.7907   0.4784
  -1.750   0.2765   0.02915   0.02117  -0.1369   0.7860   0.4981
  -1.500   0.3171   0.02889   0.02090  -0.1387   0.7834   0.5217
  -1.250   0.3617   0.02850   0.02049  -0.1411   0.7816   0.5464
  -1.000   0.3425   0.03032   0.02238  -0.1349   0.7698   0.5548
  -0.750   0.3818   0.03009   0.02214  -0.1365   0.7671   0.5796
  -0.500   0.4249   0.02969   0.02178  -0.1384   0.7653   0.6034
  -0.250   0.4039   0.03180   0.02394  -0.1323   0.7534   0.6148
   0.000   0.4395   0.03160   0.02380  -0.1331   0.7506   0.6388
   0.250   0.4829   0.03114   0.02336  -0.1350   0.7488   0.6671
   0.500   0.4603   0.03355   0.02584  -0.1290   0.7369   0.6811
   0.750   0.4937   0.03333   0.02570  -0.1292   0.7340   0.7089
   1.000   0.5333   0.03279   0.02522  -0.1301   0.7321   0.7413
   1.250   0.5090   0.03542   0.02795  -0.1242   0.7200   0.7611
   1.500   0.5398   0.03516   0.02777  -0.1238   0.7171   0.8000
   1.750   0.5716   0.03445   0.02715  -0.1227   0.7152   0.8458
   2.000   0.5374   0.03702   0.02991  -0.1154   0.7026   0.9011
   2.250   0.5896   0.03658   0.02940  -0.1197   0.7000   1.0000
   2.500   0.6445   0.03607   0.02874  -0.1238   0.6984   1.0000
   2.750   0.6258   0.03931   0.03194  -0.1205   0.6855   1.0000
   3.000   0.6716   0.03900   0.03153  -0.1229   0.6832   1.0000
   3.250   0.6600   0.04183   0.03435  -0.1200   0.6716   1.0000
   3.500   0.6984   0.04181   0.03427  -0.1213   0.6681   1.0000
   3.750   0.7454   0.04125   0.03366  -0.1233   0.6661   1.0000
   4.000   0.7271   0.04453   0.03693  -0.1199   0.6533   1.0000
   4.250   0.7700   0.04412   0.03652  -0.1213   0.6506   1.0000
   4.500   0.8118   0.04376   0.03615  -0.1226   0.6479   1.0000
   4.750   0.7980   0.04681   0.03921  -0.1196   0.6352   1.0000
   5.000   0.8457   0.04595   0.03836  -0.1211   0.6332   1.0000
   5.250   0.8287   0.04934   0.04177  -0.1181   0.6199   1.0000
   5.500   0.8743   0.04851   0.04096  -0.1193   0.6175   1.0000
   5.750   0.9224   0.04740   0.03991  -0.1206   0.6156   1.0000
   6.000   0.9066   0.05077   0.04330  -0.1176   0.6017   1.0000
   6.250   0.9571   0.04933   0.04191  -0.1189   0.6001   1.0000
   6.500   0.9420   0.05273   0.04534  -0.1161   0.5859   1.0000
   6.750   0.9374   0.05548   0.04815  -0.1142   0.5737   1.0000
   7.000   0.9803   0.05436   0.04710  -0.1147   0.5701   1.0000
   7.250   1.0314   0.05243   0.04527  -0.1155   0.5683   1.0000
   7.500   1.0884   0.04976   0.04270  -0.1165   0.5674   1.0000
   7.750   1.1500   0.04653   0.03960  -0.1178   0.5669   1.0000
   8.000   1.0663   0.05625   0.04930  -0.1117   0.5387   1.0000
   8.250   1.0802   0.05733   0.05047  -0.1106   0.5292   1.0000
   8.500   1.1593   0.05188   0.04518  -0.1118   0.5324   1.0000
   8.750   1.2298   0.04707   0.04055  -0.1128   0.5326   1.0000
   9.000   1.3236   0.04101   0.03468  -0.1164   0.5323   1.0000
   9.250   1.3533   0.03999   0.03379  -0.1155   0.5227   1.0000
   9.500   1.4282   0.03605   0.03000  -0.1189   0.5150   1.0000
   9.750   1.5066   0.03236   0.02638  -0.1235   0.5031   1.0000
  10.000   1.4995   0.03316   0.02730  -0.1183   0.4897   1.0000
  10.250   1.5096   0.03316   0.02739  -0.1153   0.4753   1.0000
  10.500   1.5231   0.03299   0.02728  -0.1128   0.4595   1.0000
  10.750   1.5357   0.03292   0.02725  -0.1102   0.4421   1.0000
  11.000   1.5444   0.03319   0.02750  -0.1073   0.4230   1.0000
  11.250   1.5375   0.03461   0.02900  -0.1034   0.4037   1.0000
  11.500   1.5342   0.03600   0.03039  -0.1001   0.3823   1.0000
  11.750   1.5342   0.03733   0.03163  -0.0972   0.3590   1.0000
  12.000   1.5258   0.03953   0.03380  -0.0942   0.3357   1.0000
  12.250   1.5201   0.04170   0.03584  -0.0915   0.3115   1.0000
  12.500   1.5106   0.04443   0.03849  -0.0891   0.2877   1.0000
  12.750   1.5018   0.04729   0.04120  -0.0869   0.2646   1.0000
  13.000   1.4914   0.05051   0.04435  -0.0850   0.2422   1.0000
  13.250   1.4828   0.05373   0.04736  -0.0834   0.2213   1.0000
  13.500   1.4729   0.05734   0.05095  -0.0821   0.2010   1.0000
  13.750   1.4641   0.06100   0.05451  -0.0811   0.1822   1.0000
  14.000   1.4564   0.06466   0.05806  -0.0802   0.1650   1.0000
  14.250   1.4502   0.06830   0.06157  -0.0795   0.1490   1.0000
  14.500   1.4454   0.07189   0.06504  -0.0789   0.1343   1.0000
  14.750   1.4413   0.07553   0.06862  -0.0785   0.1210   1.0000
  15.000   1.4380   0.07918   0.07228  -0.0783   0.1092   1.0000
  15.250   1.4366   0.08269   0.07579  -0.0780   0.0985   1.0000
  15.500   1.4374   0.08594   0.07904  -0.0778   0.0891   1.0000
  15.750   1.4406   0.08886   0.08189  -0.0775   0.0809   1.0000
  16.000   1.4423   0.09206   0.08512  -0.0775   0.0740   1.0000
  16.250   1.4450   0.09528   0.08845  -0.0774   0.0679   1.0000
  16.500   1.4564   0.09719   0.09019  -0.0769   0.0617   1.0000
  16.750   1.4526   0.10140   0.09471  -0.0775   0.0580   1.0000
  17.000   1.4669   0.10299   0.09614  -0.0769   0.0530   1.0000
  17.250   1.4616   0.10750   0.10099  -0.0779   0.0504   1.0000
  17.500   1.4626   0.11090   0.10450  -0.0786   0.0475   1.0000
  17.750   1.4684   0.11391   0.10757  -0.0788   0.0447   1.0000
  18.000   1.4598   0.11906   0.11304  -0.0805   0.0432   1.0000
  18.250   1.4561   0.12342   0.11760  -0.0819   0.0415   1.0000
  18.500   1.4709   0.12492   0.11894  -0.0817   0.0388   1.0000
  18.750   1.4531   0.13148   0.12587  -0.0848   0.0383   1.0000
  19.000   1.4355   0.13833   0.13305  -0.0884   0.0379   1.0000
  19.250   1.4169   0.14564   0.14066  -0.0925   0.0377   1.0000
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