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EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il)
Reynolds number: 1,000,000
Max Cl/Cd: 86.35 at α=5.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e838-il-1000000.txt
Download as CSV file: xf-e838-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER E838 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -1.0178   0.09079   0.08729  -0.0324   1.0000   0.0052
 -18.250  -1.0319   0.08527   0.08161  -0.0343   1.0000   0.0053
 -18.000  -1.0486   0.07967   0.07584  -0.0358   1.0000   0.0054
 -17.750  -1.0423   0.07707   0.07319  -0.0369   1.0000   0.0053
 -17.500  -1.0584   0.07190   0.06787  -0.0379   1.0000   0.0055
 -17.250  -1.0638   0.06811   0.06399  -0.0388   1.0000   0.0057
 -17.000  -1.0661   0.06480   0.06059  -0.0394   1.0000   0.0057
 -16.750  -1.0649   0.06199   0.05768  -0.0399   1.0000   0.0056
 -16.500  -1.0621   0.05936   0.05501  -0.0405   1.0000   0.0060
 -16.250  -1.0608   0.05665   0.05222  -0.0407   1.0000   0.0060
 -16.000  -1.0562   0.05436   0.04988  -0.0410   1.0000   0.0062
 -15.750  -1.0517   0.05210   0.04755  -0.0411   1.0000   0.0063
 -15.500  -1.0472   0.04992   0.04531  -0.0411   1.0000   0.0064
 -15.250  -1.0390   0.04811   0.04345  -0.0411   1.0000   0.0066
 -15.000  -1.0365   0.04584   0.04110  -0.0409   1.0000   0.0066
 -14.750  -1.0316   0.04383   0.03901  -0.0406   1.0000   0.0068
 -14.500  -1.0193   0.04252   0.03766  -0.0405   1.0000   0.0071
 -14.250  -1.0171   0.04037   0.03544  -0.0399   1.0000   0.0071
 -14.000  -1.0048   0.03911   0.03412  -0.0397   1.0000   0.0073
 -13.750  -1.0030   0.03703   0.03197  -0.0390   1.0000   0.0072
 -13.500  -0.9957   0.03544   0.03032  -0.0383   1.0000   0.0075
 -13.250  -0.9965   0.03326   0.02807  -0.0372   1.0000   0.0079
 -13.000  -0.9643   0.03133   0.02606  -0.0422   0.9416   0.0083
 -12.750  -0.9402   0.03017   0.02461  -0.0443   0.8724   0.0086
 -12.500  -0.9330   0.02913   0.02341  -0.0429   0.8441   0.0090
 -12.250  -0.9231   0.02815   0.02232  -0.0417   0.8263   0.0094
 -12.000  -0.9149   0.02703   0.02109  -0.0405   0.8131   0.0096
 -11.750  -0.9009   0.02628   0.02025  -0.0397   0.8026   0.0101
 -11.500  -0.8993   0.02474   0.01861  -0.0378   0.7930   0.0109
 -11.250  -0.8902   0.02369   0.01750  -0.0365   0.7851   0.0114
 -11.000  -0.8784   0.02283   0.01657  -0.0354   0.7775   0.0121
 -10.750  -0.8661   0.02199   0.01568  -0.0343   0.7710   0.0127
 -10.500  -0.8510   0.02133   0.01497  -0.0335   0.7648   0.0133
 -10.250  -0.8452   0.02018   0.01374  -0.0316   0.7592   0.0148
 -10.000  -0.8337   0.01933   0.01286  -0.0303   0.7541   0.0161
  -9.750  -0.8200   0.01864   0.01212  -0.0291   0.7491   0.0171
  -9.500  -0.8091   0.01785   0.01126  -0.0275   0.7442   0.0187
  -9.250  -0.7983   0.01703   0.01044  -0.0259   0.7400   0.0212
  -9.000  -0.7848   0.01639   0.00976  -0.0245   0.7356   0.0233
  -8.750  -0.7751   0.01564   0.00899  -0.0226   0.7315   0.0274
  -8.500  -0.7650   0.01494   0.00830  -0.0206   0.7277   0.0341
  -8.250  -0.7563   0.01422   0.00762  -0.0183   0.7239   0.0447
  -8.000  -0.7488   0.01354   0.00699  -0.0156   0.7200   0.0595
  -7.750  -0.7431   0.01289   0.00641  -0.0124   0.7163   0.0774
  -7.500  -0.7371   0.01237   0.00596  -0.0090   0.7128   0.0977
  -7.250  -0.7315   0.01177   0.00551  -0.0055   0.7097   0.1279
  -7.000  -0.7217   0.01112   0.00504  -0.0028   0.7065   0.1676
  -6.750  -0.7127   0.01034   0.00451   0.0000   0.7033   0.2227
  -6.500  -0.7035   0.00949   0.00396   0.0027   0.7000   0.2900
  -6.250  -0.6937   0.00856   0.00341   0.0054   0.6971   0.3728
  -6.000  -0.6775   0.00789   0.00304   0.0071   0.6944   0.4405
  -5.750  -0.6546   0.00758   0.00284   0.0077   0.6916   0.4773
  -5.500  -0.6291   0.00741   0.00270   0.0078   0.6888   0.4987
  -5.250  -0.6027   0.00730   0.00259   0.0079   0.6859   0.5188
  -5.000  -0.5757   0.00725   0.00251   0.0078   0.6829   0.5341
  -4.750  -0.5482   0.00716   0.00245   0.0077   0.6806   0.5469
  -4.500  -0.5203   0.00710   0.00238   0.0074   0.6780   0.5549
  -4.250  -0.4918   0.00709   0.00233   0.0071   0.6753   0.5644
  -4.000  -0.4639   0.00705   0.00230   0.0069   0.6727   0.5729
  -3.750  -0.4354   0.00708   0.00225   0.0066   0.6699   0.5797
  -3.500  -0.4071   0.00706   0.00223   0.0063   0.6672   0.5859
  -3.250  -0.3781   0.00707   0.00221   0.0059   0.6649   0.5915
  -3.000  -0.3494   0.00703   0.00216   0.0055   0.6623   0.5961
  -2.750  -0.3205   0.00701   0.00213   0.0051   0.6596   0.6001
  -2.500  -0.2915   0.00701   0.00209   0.0047   0.6570   0.6036
  -2.250  -0.2625   0.00704   0.00206   0.0042   0.6543   0.6066
  -2.000  -0.2334   0.00702   0.00202   0.0038   0.6519   0.6095
  -1.750  -0.2043   0.00697   0.00199   0.0033   0.6495   0.6124
  -1.500  -0.1751   0.00695   0.00197   0.0029   0.6468   0.6152
  -1.250  -0.1459   0.00695   0.00195   0.0024   0.6441   0.6180
  -1.000  -0.1167   0.00695   0.00192   0.0019   0.6416   0.6207
  -0.750  -0.0876   0.00700   0.00191   0.0014   0.6389   0.6230
  -0.500  -0.0585   0.00695   0.00190   0.0010   0.6365   0.6260
  -0.250  -0.0293   0.00693   0.00190   0.0005   0.6339   0.6287
   0.000   0.0000   0.00692   0.00190   0.0000   0.6311   0.6312
   0.250   0.0293   0.00693   0.00190  -0.0005   0.6286   0.6339
   0.500   0.0585   0.00695   0.00190  -0.0010   0.6260   0.6365
   0.750   0.0875   0.00700   0.00191  -0.0014   0.6229   0.6390
   1.000   0.1167   0.00695   0.00192  -0.0019   0.6206   0.6417
   1.250   0.1459   0.00695   0.00195  -0.0024   0.6179   0.6442
   1.500   0.1751   0.00695   0.00197  -0.0028   0.6151   0.6468
   1.750   0.2043   0.00697   0.00199  -0.0033   0.6123   0.6495
   2.000   0.2334   0.00702   0.00202  -0.0038   0.6094   0.6519
   2.250   0.2625   0.00703   0.00206  -0.0042   0.6066   0.6544
   2.500   0.2915   0.00701   0.00209  -0.0047   0.6036   0.6570
   2.750   0.3205   0.00701   0.00213  -0.0051   0.6000   0.6597
   3.000   0.3493   0.00703   0.00216  -0.0055   0.5961   0.6623
   3.250   0.3781   0.00707   0.00221  -0.0059   0.5915   0.6649
   3.500   0.4070   0.00706   0.00223  -0.0063   0.5858   0.6672
   3.750   0.4354   0.00708   0.00225  -0.0066   0.5798   0.6698
   4.000   0.4639   0.00706   0.00230  -0.0069   0.5729   0.6726
   4.250   0.4918   0.00709   0.00233  -0.0071   0.5644   0.6753
   4.500   0.5202   0.00710   0.00238  -0.0074   0.5551   0.6780
   4.750   0.5482   0.00716   0.00245  -0.0077   0.5469   0.6806
   5.000   0.5756   0.00725   0.00251  -0.0078   0.5343   0.6829
   5.250   0.6026   0.00730   0.00259  -0.0079   0.5188   0.6859
   5.500   0.6290   0.00741   0.00270  -0.0078   0.4990   0.6888
   5.750   0.6545   0.00758   0.00284  -0.0076   0.4772   0.6916
   6.000   0.6772   0.00791   0.00304  -0.0070   0.4387   0.6944
   6.250   0.6935   0.00857   0.00341  -0.0054   0.3723   0.6971
   6.500   0.7037   0.00948   0.00396  -0.0028   0.2916   0.7001
   6.750   0.7127   0.01034   0.00451   0.0000   0.2232   0.7033
   7.000   0.7217   0.01111   0.00504   0.0028   0.1677   0.7066
   7.250   0.7297   0.01183   0.00554   0.0057   0.1245   0.7098
   7.500   0.7375   0.01236   0.00595   0.0089   0.0984   0.7128
   7.750   0.7428   0.01289   0.00641   0.0124   0.0772   0.7163
   8.000   0.7489   0.01353   0.00699   0.0156   0.0596   0.7200
   8.250   0.7565   0.01421   0.00762   0.0183   0.0451   0.7239
   8.500   0.7652   0.01493   0.00830   0.0206   0.0342   0.7277
   8.750   0.7755   0.01562   0.00898   0.0225   0.0279   0.7315
   9.000   0.7851   0.01638   0.00974   0.0245   0.0234   0.7356
   9.250   0.7982   0.01703   0.01044   0.0259   0.0212   0.7400
   9.500   0.8102   0.01779   0.01121   0.0274   0.0193   0.7442
   9.750   0.8195   0.01867   0.01214   0.0291   0.0173   0.7492
  10.000   0.8337   0.01933   0.01286   0.0303   0.0162   0.7542
  10.250   0.8463   0.02012   0.01367   0.0315   0.0148   0.7592
  10.500   0.8525   0.02125   0.01487   0.0333   0.0133   0.7648
  10.750   0.8667   0.02196   0.01564   0.0343   0.0128   0.7711
  11.000   0.8797   0.02275   0.01649   0.0353   0.0119   0.7776
  11.250   0.8901   0.02370   0.01751   0.0365   0.0115   0.7851
  11.500   0.8988   0.02478   0.01863   0.0378   0.0105   0.7930
  11.750   0.9027   0.02618   0.02014   0.0395   0.0100   0.8026
  12.000   0.9172   0.02689   0.02094   0.0403   0.0095   0.8131
  12.250   0.9256   0.02799   0.02215   0.0415   0.0093   0.8264
  12.500   0.9333   0.02911   0.02339   0.0429   0.0090   0.8443
  12.750   0.9409   0.03012   0.02456   0.0443   0.0088   0.8726
  13.000   0.9657   0.03129   0.02601   0.0420   0.0083   0.9420
  13.250   0.9887   0.03390   0.02873   0.0376   0.0075   1.0000
  13.500   0.9927   0.03572   0.03061   0.0385   0.0074   1.0000
  13.750   0.9994   0.03735   0.03229   0.0391   0.0074   1.0000
  14.000   1.0094   0.03876   0.03376   0.0394   0.0072   1.0000
  14.250   1.0208   0.04010   0.03515   0.0397   0.0070   1.0000
  14.500   1.0308   0.04157   0.03668   0.0399   0.0067   1.0000
  14.750   1.0311   0.04391   0.03910   0.0405   0.0068   1.0000
  15.000   1.0390   0.04566   0.04090   0.0407   0.0066   1.0000
  15.250   1.0432   0.04777   0.04309   0.0409   0.0066   1.0000
  15.500   1.0483   0.04986   0.04524   0.0410   0.0065   1.0000
  15.750   1.0552   0.05183   0.04726   0.0409   0.0061   1.0000
  16.000   1.0605   0.05397   0.04946   0.0408   0.0061   1.0000
  16.250   1.0610   0.05668   0.05226   0.0407   0.0060   1.0000
  16.500   1.0641   0.05920   0.05485   0.0403   0.0060   1.0000
  16.750   1.0695   0.06154   0.05723   0.0398   0.0057   1.0000
  17.000   1.0681   0.06463   0.06041   0.0393   0.0057   1.0000
  17.250   1.0589   0.06874   0.06462   0.0386   0.0054   1.0000
  17.500   1.0616   0.07159   0.06755   0.0379   0.0055   1.0000
  17.750   1.0385   0.07760   0.07376   0.0368   0.0052   1.0000
  18.000   1.0353   0.08142   0.07768   0.0355   0.0052   1.0000
  18.250   1.0309   0.08551   0.08186   0.0341   0.0052   1.0000
  18.500   1.0262   0.08976   0.08623   0.0324   0.0052   1.0000
  18.750   1.0168   0.09482   0.09141   0.0303   0.0052   1.0000
  19.000   1.0131   0.09923   0.09592   0.0282   0.0052   1.0000
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