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EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il)
Reynolds number: 100,000
Max Cl/Cd: 29.34 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e838-il-100000-n5.txt
Download as CSV file: xf-e838-il-100000-n5.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 =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.000  -0.7093   0.12868   0.12358  -0.0221   1.0000   0.0197
 -16.750  -0.7344   0.11843   0.11319  -0.0282   1.0000   0.0193
 -16.500  -0.7582   0.10939   0.10395  -0.0335   1.0000   0.0192
 -16.250  -0.7806   0.10135   0.09569  -0.0378   1.0000   0.0191
 -16.000  -0.7991   0.09454   0.08866  -0.0411   1.0000   0.0191
 -15.750  -0.8149   0.08854   0.08244  -0.0436   1.0000   0.0191
 -15.500  -0.8285   0.08313   0.07679  -0.0456   1.0000   0.0192
 -15.250  -0.8395   0.07826   0.07166  -0.0470   1.0000   0.0194
 -15.000  -0.8475   0.07394   0.06709  -0.0479   1.0000   0.0197
 -14.750  -0.8515   0.07021   0.06310  -0.0485   1.0000   0.0200
 -14.250  -0.8504   0.06387   0.05637  -0.0489   1.0000   0.0211
 -14.000  -0.8470   0.06142   0.05390  -0.0491   1.0000   0.0221
 -13.750  -0.8419   0.05914   0.05151  -0.0491   1.0000   0.0230
 -13.500  -0.8341   0.05695   0.04919  -0.0489   1.0000   0.0240
 -13.250  -0.8232   0.05493   0.04701  -0.0485   1.0000   0.0252
 -13.000  -0.8098   0.05316   0.04504  -0.0479   1.0000   0.0266
 -12.750  -0.7963   0.05152   0.04334  -0.0473   1.0000   0.0279
 -12.500  -0.7875   0.04976   0.04156  -0.0469   1.0000   0.0295
 -12.250  -0.7782   0.04810   0.03986  -0.0466   1.0000   0.0320
 -12.000  -0.7662   0.04666   0.03832  -0.0461   1.0000   0.0342
 -11.750  -0.7559   0.04512   0.03673  -0.0453   1.0000   0.0366
 -11.500  -0.7488   0.04344   0.03507  -0.0447   1.0000   0.0396
 -11.250  -0.7392   0.04197   0.03354  -0.0442   1.0000   0.0438
 -11.000  -0.7316   0.04041   0.03196  -0.0434   1.0000   0.0475
 -10.750  -0.7251   0.03880   0.03038  -0.0427   1.0000   0.0525
 -10.500  -0.7179   0.03730   0.02889  -0.0419   1.0000   0.0591
 -10.250  -0.7115   0.03582   0.02742  -0.0411   1.0000   0.0682
 -10.000  -0.6954   0.03403   0.02569  -0.0427   0.9449   0.0838
  -9.750  -0.6806   0.03219   0.02395  -0.0440   0.9223   0.1100
  -9.500  -0.6734   0.03035   0.02229  -0.0438   0.9039   0.1458
  -9.250  -0.6721   0.02858   0.02070  -0.0425   0.8884   0.1871
  -9.000  -0.6765   0.02677   0.01911  -0.0403   0.8753   0.2346
  -8.750  -0.6844   0.02501   0.01763  -0.0373   0.8640   0.2872
  -8.500  -0.6913   0.02360   0.01661  -0.0337   0.8539   0.3502
  -8.250  -0.6830   0.02338   0.01681  -0.0306   0.8456   0.4282
  -8.000  -0.6717   0.02335   0.01684  -0.0280   0.8383   0.4725
  -7.750  -0.6708   0.02286   0.01626  -0.0246   0.8303   0.4980
  -7.500  -0.6551   0.02318   0.01649  -0.0223   0.8243   0.5187
  -7.250  -0.6452   0.02326   0.01644  -0.0194   0.8181   0.5356
  -7.000  -0.6302   0.02349   0.01654  -0.0172   0.8122   0.5511
  -6.750  -0.6091   0.02399   0.01686  -0.0155   0.8077   0.5649
  -6.500  -0.5840   0.02459   0.01735  -0.0146   0.8022   0.5767
  -6.250  -0.5665   0.02475   0.01736  -0.0129   0.7972   0.5878
  -6.000  -0.5364   0.02527   0.01772  -0.0127   0.7935   0.5949
  -5.750  -0.5175   0.02524   0.01756  -0.0115   0.7885   0.6028
  -5.500  -0.4885   0.02553   0.01771  -0.0114   0.7840   0.6078
  -5.250  -0.4774   0.02505   0.01708  -0.0094   0.7798   0.6162
  -5.000  -0.4466   0.02528   0.01719  -0.0097   0.7763   0.6194
  -4.750  -0.4398   0.02462   0.01640  -0.0073   0.7710   0.6285
  -4.500  -0.4104   0.02474   0.01640  -0.0075   0.7671   0.6313
  -4.250  -0.3822   0.02479   0.01633  -0.0076   0.7640   0.6345
  -4.000  -0.3648   0.02448   0.01592  -0.0065   0.7597   0.6404
  -3.750  -0.3467   0.02417   0.01553  -0.0056   0.7553   0.6455
  -3.500  -0.3191   0.02418   0.01544  -0.0057   0.7518   0.6482
  -3.250  -0.2953   0.02403   0.01519  -0.0052   0.7488   0.6522
  -3.000  -0.2832   0.02353   0.01458  -0.0037   0.7442   0.6590
  -2.750  -0.2557   0.02359   0.01461  -0.0038   0.7403   0.6612
  -2.500  -0.2296   0.02356   0.01451  -0.0038   0.7370   0.6641
  -2.250  -0.2068   0.02337   0.01423  -0.0033   0.7341   0.6685
  -2.000  -0.1905   0.02305   0.01383  -0.0022   0.7299   0.6740
  -1.750  -0.1642   0.02313   0.01391  -0.0022   0.7258   0.6763
  -1.500  -0.1386   0.02312   0.01387  -0.0021   0.7225   0.6793
  -1.250  -0.1150   0.02296   0.01365  -0.0018   0.7197   0.6833
  -1.000  -0.0964   0.02272   0.01333  -0.0010   0.7161   0.6887
  -0.750  -0.0716   0.02286   0.01351  -0.0008   0.7116   0.6910
  -0.500  -0.0463   0.02290   0.01354  -0.0007   0.7082   0.6939
  -0.250  -0.0217   0.02280   0.01341  -0.0005   0.7054   0.6976
   0.000   0.0000   0.02255   0.01308   0.0000   0.7028   0.7028
   0.250   0.0217   0.02280   0.01341   0.0005   0.6975   0.7054
   0.500   0.0463   0.02290   0.01354   0.0007   0.6939   0.7082
   0.750   0.0716   0.02286   0.01351   0.0008   0.6910   0.7117
   1.000   0.0964   0.02271   0.01332   0.0010   0.6886   0.7161
   1.250   0.1150   0.02296   0.01365   0.0018   0.6833   0.7197
   1.500   0.1386   0.02312   0.01387   0.0021   0.6793   0.7225
   1.750   0.1642   0.02313   0.01391   0.0022   0.6763   0.7259
   2.000   0.1905   0.02305   0.01383   0.0022   0.6740   0.7299
   2.250   0.2068   0.02337   0.01423   0.0033   0.6684   0.7341
   2.500   0.2296   0.02357   0.01452   0.0038   0.6642   0.7370
   2.750   0.2556   0.02360   0.01462   0.0038   0.6612   0.7404
   3.000   0.2831   0.02353   0.01459   0.0037   0.6590   0.7443
   3.250   0.2953   0.02403   0.01519   0.0052   0.6522   0.7488
   3.500   0.3191   0.02419   0.01545   0.0056   0.6482   0.7519
   3.750   0.3466   0.02418   0.01553   0.0056   0.6455   0.7554
   4.000   0.3650   0.02447   0.01592   0.0065   0.6404   0.7598
   4.250   0.3822   0.02479   0.01634   0.0076   0.6345   0.7640
   4.500   0.4103   0.02474   0.01640   0.0075   0.6314   0.7672
   4.750   0.4379   0.02470   0.01648   0.0076   0.6281   0.7711
   5.000   0.4466   0.02529   0.01719   0.0097   0.6194   0.7764
   5.250   0.4774   0.02505   0.01707   0.0094   0.6162   0.7799
   5.500   0.4886   0.02552   0.01771   0.0114   0.6078   0.7841
   5.750   0.5175   0.02524   0.01757   0.0115   0.6028   0.7886
   6.000   0.5366   0.02526   0.01772   0.0126   0.5950   0.7936
   6.250   0.5665   0.02475   0.01736   0.0129   0.5878   0.7973
   6.500   0.5841   0.02459   0.01735   0.0146   0.5767   0.8023
   6.750   0.6093   0.02399   0.01686   0.0155   0.5649   0.8077
   7.000   0.6305   0.02348   0.01653   0.0171   0.5512   0.8122
   7.250   0.6454   0.02325   0.01643   0.0194   0.5355   0.8182
   7.500   0.6554   0.02315   0.01646   0.0223   0.5183   0.8244
   7.750   0.6707   0.02286   0.01627   0.0246   0.4978   0.8303
   8.000   0.6719   0.02335   0.01683   0.0280   0.4723   0.8384
   8.250   0.6836   0.02335   0.01677   0.0306   0.4275   0.8457
   8.500   0.6914   0.02360   0.01660   0.0337   0.3489   0.8540
   8.750   0.6846   0.02501   0.01762   0.0372   0.2867   0.8641
   9.000   0.6766   0.02677   0.01911   0.0402   0.2338   0.8754
   9.250   0.6725   0.02857   0.02069   0.0425   0.1867   0.8886
   9.500   0.6734   0.03039   0.02230   0.0438   0.1439   0.9041
   9.750   0.6811   0.03219   0.02394   0.0438   0.1095   0.9225
  10.000   0.6964   0.03401   0.02567   0.0425   0.0838   0.9452
  10.250   0.7122   0.03581   0.02741   0.0410   0.0679   1.0000
  10.500   0.7184   0.03730   0.02888   0.0418   0.0588   1.0000
  10.750   0.7258   0.03879   0.03036   0.0426   0.0519   1.0000
  11.000   0.7323   0.04039   0.03194   0.0433   0.0475   1.0000
  11.250   0.7400   0.04196   0.03353   0.0441   0.0439   1.0000
  11.500   0.7497   0.04342   0.03504   0.0447   0.0397   1.0000
  11.750   0.7573   0.04507   0.03667   0.0452   0.0368   1.0000
  12.000   0.7673   0.04662   0.03826   0.0459   0.0344   1.0000
  12.250   0.7794   0.04807   0.03982   0.0465   0.0320   1.0000
  12.500   0.7884   0.04973   0.04152   0.0468   0.0294   1.0000
  12.750   0.7972   0.05152   0.04332   0.0472   0.0278   1.0000
  13.000   0.8108   0.05316   0.04506   0.0478   0.0264   1.0000
  13.250   0.8247   0.05487   0.04693   0.0484   0.0254   1.0000
  13.500   0.8364   0.05686   0.04909   0.0488   0.0243   1.0000
  13.750   0.8443   0.05907   0.05145   0.0490   0.0232   1.0000
  14.000   0.8489   0.06141   0.05389   0.0490   0.0222   1.0000
  14.250   0.8528   0.06386   0.05639   0.0488   0.0213   1.0000
  14.500   0.8541   0.06679   0.05942   0.0487   0.0204   1.0000
  14.750   0.8550   0.06997   0.06283   0.0484   0.0202   1.0000
  15.000   0.8486   0.07394   0.06708   0.0478   0.0197   1.0000
  15.250   0.8407   0.07828   0.07168   0.0468   0.0194   1.0000
  15.500   0.8308   0.08298   0.07662   0.0455   0.0193   1.0000
  15.750   0.8154   0.08864   0.08254   0.0434   0.0190   1.0000
  16.000   0.8020   0.09426   0.08837   0.0411   0.0192   1.0000
  16.250   0.7816   0.10140   0.09574   0.0376   0.0191   1.0000
  16.500   0.7610   0.10909   0.10364   0.0335   0.0192   1.0000
  16.750   0.7347   0.11868   0.11344   0.0279   0.0193   1.0000
  17.000   0.7092   0.12908   0.12399   0.0217   0.0197   1.0000
  17.250   0.6821   0.14111   0.13611   0.0148   0.0201   1.0000
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