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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 1,000,000
Max Cl/Cd: 65.69 at α=4.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e837-il-1000000-n5.txt
Download as CSV file: xf-e837-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER E837 HYDROFOIL 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -1.0910   0.10454   0.10133  -0.0142   1.0000   0.0027
 -19.000  -1.1082   0.09759   0.09425  -0.0178   1.0000   0.0027
 -18.750  -1.1247   0.09095   0.08747  -0.0210   1.0000   0.0026
 -18.500  -1.1351   0.08550   0.08191  -0.0236   1.0000   0.0027
 -18.250  -1.1406   0.08101   0.07732  -0.0256   1.0000   0.0027
 -18.000  -1.1523   0.07571   0.07189  -0.0278   1.0000   0.0027
 -17.750  -1.1575   0.07150   0.06759  -0.0295   1.0000   0.0027
 -17.500  -1.1611   0.06766   0.06366  -0.0309   1.0000   0.0027
 -17.250  -1.1653   0.06385   0.05974  -0.0321   1.0000   0.0028
 -17.000  -1.1686   0.06027   0.05606  -0.0332   1.0000   0.0028
 -16.750  -1.1688   0.05718   0.05290  -0.0340   1.0000   0.0029
 -16.500  -1.1693   0.05415   0.04978  -0.0346   1.0000   0.0028
 -16.250  -1.1683   0.05138   0.04693  -0.0351   1.0000   0.0030
 -16.000  -1.1665   0.04879   0.04425  -0.0355   1.0000   0.0030
 -15.750  -1.1658   0.04614   0.04152  -0.0357   1.0000   0.0030
 -15.500  -1.1642   0.04372   0.03901  -0.0357   1.0000   0.0030
 -15.250  -1.1611   0.04149   0.03671  -0.0356   1.0000   0.0032
 -15.000  -1.1563   0.03950   0.03465  -0.0355   1.0000   0.0032
 -14.750  -1.1525   0.03750   0.03257  -0.0351   1.0000   0.0032
 -14.500  -1.1463   0.03578   0.03078  -0.0347   1.0000   0.0033
 -14.250  -1.1402   0.03408   0.02902  -0.0342   1.0000   0.0034
 -14.000  -1.1331   0.03251   0.02737  -0.0337   1.0000   0.0035
 -13.750  -1.1251   0.03106   0.02586  -0.0331   1.0000   0.0036
 -13.500  -1.1165   0.02967   0.02441  -0.0324   1.0000   0.0036
 -13.250  -1.1054   0.02851   0.02320  -0.0318   1.0000   0.0037
 -13.000  -1.0956   0.02728   0.02192  -0.0311   1.0000   0.0037
 -12.750  -1.0912   0.02566   0.02023  -0.0299   1.0000   0.0040
 -12.500  -1.0828   0.02439   0.01890  -0.0288   1.0000   0.0043
 -12.250  -1.0722   0.02330   0.01778  -0.0278   1.0000   0.0044
 -12.000  -1.0486   0.02221   0.01663  -0.0295   0.9538   0.0046
 -11.750  -1.0209   0.02132   0.01550  -0.0316   0.8809   0.0049
 -11.500  -1.0117   0.02058   0.01458  -0.0297   0.8493   0.0050
 -11.250  -1.0010   0.01984   0.01372  -0.0281   0.8291   0.0054
 -11.000  -0.9896   0.01911   0.01290  -0.0266   0.8137   0.0055
 -10.750  -0.9771   0.01846   0.01216  -0.0251   0.8009   0.0058
 -10.500  -0.9644   0.01783   0.01145  -0.0235   0.7904   0.0060
 -10.250  -0.9532   0.01716   0.01071  -0.0217   0.7806   0.0068
 -10.000  -0.9405   0.01658   0.01009  -0.0199   0.7719   0.0075
  -9.750  -0.9268   0.01608   0.00953  -0.0181   0.7639   0.0082
  -9.500  -0.9123   0.01563   0.00901  -0.0164   0.7564   0.0088
  -9.000  -0.8851   0.01476   0.00808  -0.0123   0.7434   0.0116
  -8.750  -0.8695   0.01447   0.00772  -0.0105   0.7371   0.0124
  -8.500  -0.8520   0.01410   0.00732  -0.0090   0.7319   0.0141
  -8.250  -0.8327   0.01374   0.00695  -0.0079   0.7266   0.0160
  -8.000  -0.8120   0.01344   0.00660  -0.0069   0.7214   0.0175
  -7.750  -0.7916   0.01308   0.00623  -0.0059   0.7168   0.0207
  -7.500  -0.7704   0.01274   0.00589  -0.0051   0.7120   0.0251
  -7.250  -0.7496   0.01237   0.00553  -0.0042   0.7075   0.0332
  -7.000  -0.7286   0.01197   0.00518  -0.0033   0.7034   0.0452
  -6.750  -0.7072   0.01157   0.00484  -0.0025   0.6990   0.0603
  -6.500  -0.6862   0.01113   0.00448  -0.0016   0.6947   0.0814
  -6.000  -0.6418   0.01033   0.00387  -0.0002   0.6870   0.1292
  -5.750  -0.6193   0.00992   0.00357   0.0004   0.6829   0.1580
  -5.500  -0.5970   0.00948   0.00327   0.0010   0.6789   0.1929
  -5.250  -0.5748   0.00902   0.00297   0.0017   0.6754   0.2345
  -5.000  -0.5516   0.00859   0.00270   0.0022   0.6717   0.2744
  -4.750  -0.5275   0.00823   0.00247   0.0026   0.6677   0.3112
  -4.500  -0.5049   0.00775   0.00220   0.0032   0.6641   0.3650
  -4.250  -0.4814   0.00734   0.00198   0.0037   0.6607   0.4179
  -4.000  -0.4551   0.00711   0.00184   0.0038   0.6571   0.4476
  -3.750  -0.4278   0.00697   0.00174   0.0037   0.6533   0.4667
  -3.500  -0.4003   0.00686   0.00165   0.0036   0.6497   0.4840
  -3.250  -0.3725   0.00677   0.00157   0.0035   0.6462   0.4989
  -3.000  -0.3444   0.00668   0.00151   0.0033   0.6428   0.5117
  -2.750  -0.3161   0.00662   0.00145   0.0031   0.6389   0.5223
  -2.500  -0.2875   0.00658   0.00140   0.0028   0.6353   0.5312
  -2.250  -0.2592   0.00654   0.00135   0.0026   0.6318   0.5397
  -2.000  -0.2305   0.00650   0.00132   0.0024   0.6282   0.5479
  -1.750  -0.2018   0.00646   0.00129   0.0021   0.6243   0.5564
  -1.500  -0.1731   0.00644   0.00125   0.0018   0.6205   0.5630
  -1.250  -0.1444   0.00642   0.00123   0.0015   0.6168   0.5695
  -1.000  -0.1154   0.00641   0.00121   0.0012   0.6130   0.5752
  -0.750  -0.0867   0.00638   0.00120   0.0009   0.6089   0.5811
  -0.500  -0.0578   0.00639   0.00119   0.0006   0.6048   0.5868
  -0.250  -0.0290   0.00638   0.00118   0.0003   0.6010   0.5917
   0.000   0.0000   0.00636   0.00118   0.0000   0.5965   0.5965
   0.250   0.0290   0.00638   0.00118  -0.0003   0.5916   0.6010
   0.500   0.0578   0.00639   0.00119  -0.0006   0.5868   0.6048
   0.750   0.0867   0.00638   0.00120  -0.0009   0.5811   0.6089
   1.000   0.1154   0.00641   0.00121  -0.0012   0.5752   0.6130
   1.250   0.1444   0.00642   0.00123  -0.0015   0.5696   0.6168
   1.500   0.1731   0.00644   0.00125  -0.0018   0.5630   0.6205
   1.750   0.2018   0.00646   0.00129  -0.0021   0.5564   0.6243
   2.000   0.2305   0.00650   0.00132  -0.0024   0.5478   0.6282
   2.250   0.2592   0.00654   0.00135  -0.0026   0.5396   0.6317
   2.500   0.2875   0.00658   0.00140  -0.0028   0.5311   0.6352
   2.750   0.3161   0.00662   0.00145  -0.0031   0.5222   0.6389
   3.000   0.3444   0.00668   0.00151  -0.0033   0.5119   0.6427
   3.250   0.3725   0.00677   0.00157  -0.0035   0.4988   0.6463
   3.500   0.4002   0.00686   0.00165  -0.0036   0.4837   0.6496
   3.750   0.4278   0.00697   0.00174  -0.0037   0.4670   0.6532
   4.000   0.4551   0.00711   0.00184  -0.0038   0.4477   0.6571
   4.250   0.4815   0.00733   0.00197  -0.0037   0.4191   0.6607
   4.500   0.5050   0.00774   0.00220  -0.0032   0.3659   0.6641
   5.000   0.5517   0.00859   0.00270  -0.0022   0.2751   0.6718
   5.250   0.5747   0.00903   0.00297  -0.0017   0.2331   0.6754
   5.500   0.5971   0.00947   0.00327  -0.0011   0.1938   0.6789
   5.750   0.6195   0.00991   0.00357  -0.0004   0.1586   0.6828
   6.000   0.6417   0.01034   0.00387   0.0002   0.1285   0.6870
   6.500   0.6864   0.01112   0.00448   0.0016   0.0820   0.6947
   6.750   0.7075   0.01155   0.00484   0.0024   0.0614   0.6990
   7.000   0.7285   0.01198   0.00519   0.0033   0.0445   0.7034
   7.250   0.7494   0.01238   0.00554   0.0042   0.0325   0.7075
   7.500   0.7703   0.01276   0.00590   0.0051   0.0245   0.7120
   7.750   0.7918   0.01308   0.00623   0.0059   0.0207   0.7169
   8.000   0.8122   0.01344   0.00660   0.0069   0.0176   0.7215
   8.250   0.8328   0.01375   0.00695   0.0078   0.0158   0.7266
   8.500   0.8523   0.01410   0.00732   0.0090   0.0142   0.7319
   8.750   0.8698   0.01447   0.00772   0.0104   0.0125   0.7371
   9.000   0.8856   0.01476   0.00807   0.0122   0.0115   0.7434
   9.250   0.8998   0.01517   0.00850   0.0142   0.0101   0.7496
   9.500   0.9130   0.01562   0.00901   0.0163   0.0089   0.7564
   9.750   0.9275   0.01607   0.00952   0.0180   0.0083   0.7638
  10.000   0.9410   0.01658   0.01008   0.0198   0.0075   0.7719
  10.250   0.9537   0.01715   0.01070   0.0216   0.0067   0.7807
  10.500   0.9666   0.01774   0.01136   0.0232   0.0065   0.7904
  10.750   0.9774   0.01847   0.01217   0.0250   0.0057   0.8013
  11.000   0.9900   0.01912   0.01290   0.0265   0.0055   0.8137
  11.250   1.0016   0.01983   0.01372   0.0281   0.0053   0.8293
  11.500   1.0124   0.02057   0.01457   0.0297   0.0051   0.8495
  11.750   1.0217   0.02131   0.01548   0.0315   0.0049   0.8800
  12.000   1.0494   0.02221   0.01662   0.0293   0.0046   0.9536
  12.250   1.0729   0.02332   0.01779   0.0277   0.0042   1.0000
  12.500   1.0827   0.02446   0.01898   0.0287   0.0041   1.0000
  12.750   1.0923   0.02565   0.02021   0.0297   0.0040   1.0000
  13.000   1.0970   0.02726   0.02191   0.0309   0.0037   1.0000
  13.250   1.1070   0.02848   0.02317   0.0316   0.0037   1.0000
  13.500   1.1150   0.02989   0.02464   0.0324   0.0036   1.0000
  13.750   1.1248   0.03118   0.02599   0.0330   0.0036   1.0000
  14.000   1.1333   0.03261   0.02748   0.0335   0.0035   1.0000
  14.250   1.1414   0.03410   0.02904   0.0340   0.0034   1.0000
  14.500   1.1482   0.03574   0.03074   0.0345   0.0033   1.0000
  14.750   1.1515   0.03772   0.03281   0.0350   0.0033   1.0000
  15.000   1.1586   0.03943   0.03457   0.0352   0.0032   1.0000
  15.250   1.1627   0.04148   0.03670   0.0354   0.0031   1.0000
  15.500   1.1662   0.04368   0.03897   0.0355   0.0031   1.0000
  15.750   1.1668   0.04622   0.04160   0.0354   0.0030   1.0000
  16.000   1.1705   0.04854   0.04399   0.0352   0.0030   1.0000
  16.250   1.1711   0.05127   0.04682   0.0348   0.0030   1.0000
  16.500   1.1721   0.05405   0.04967   0.0343   0.0029   1.0000
  16.750   1.1681   0.05749   0.05321   0.0336   0.0028   1.0000
  17.000   1.1692   0.06043   0.05624   0.0328   0.0029   1.0000
  17.250   1.1697   0.06353   0.05942   0.0319   0.0028   1.0000
  17.500   1.1632   0.06763   0.06364   0.0305   0.0028   1.0000
  17.750   1.1575   0.07179   0.06789   0.0290   0.0027   1.0000
  18.000   1.1513   0.07616   0.07237   0.0273   0.0027   1.0000
  18.250   1.1424   0.08105   0.07737   0.0252   0.0027   1.0000
  18.500   1.1330   0.08618   0.08261   0.0229   0.0027   1.0000
  18.750   1.1263   0.09102   0.08754   0.0207   0.0026   1.0000
  19.000   1.1117   0.09737   0.09402   0.0175   0.0026   1.0000
  19.250   1.1009   0.10319   0.09994   0.0146   0.0026   1.0000
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