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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 500,000
Max Cl/Cd: 61.25 at α=5.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e837-il-500000-n5.txt
Download as CSV file: xf-e837-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.9473   0.12815   0.12491  -0.0021   1.0000   0.0042
 -18.750  -0.9647   0.12033   0.11693  -0.0063   1.0000   0.0042
 -18.500  -0.9753   0.11389   0.11038  -0.0099   1.0000   0.0042
 -18.250  -0.9832   0.10807   0.10446  -0.0131   1.0000   0.0043
 -18.000  -0.9986   0.10119   0.09742  -0.0166   1.0000   0.0042
 -17.750  -1.0070   0.09564   0.09176  -0.0195   1.0000   0.0043
 -17.500  -1.0142   0.09042   0.08643  -0.0221   1.0000   0.0044
 -17.250  -1.0235   0.08505   0.08093  -0.0246   1.0000   0.0044
 -17.000  -1.0285   0.08050   0.07627  -0.0267   1.0000   0.0045
 -16.750  -1.0312   0.07644   0.07211  -0.0285   1.0000   0.0046
 -16.500  -1.0376   0.07200   0.06755  -0.0302   1.0000   0.0045
 -16.250  -1.0390   0.06834   0.06379  -0.0316   1.0000   0.0047
 -16.000  -1.0411   0.06474   0.06008  -0.0328   1.0000   0.0048
 -15.750  -1.0450   0.06104   0.05626  -0.0338   1.0000   0.0048
 -15.500  -1.0457   0.05785   0.05296  -0.0346   1.0000   0.0049
 -15.250  -1.0459   0.05482   0.04983  -0.0353   1.0000   0.0051
 -15.000  -1.0452   0.05202   0.04691  -0.0357   1.0000   0.0051
 -14.750  -1.0450   0.04923   0.04402  -0.0360   1.0000   0.0052
 -14.500  -1.0426   0.04677   0.04147  -0.0361   1.0000   0.0053
 -14.250  -1.0407   0.04436   0.03896  -0.0361   1.0000   0.0054
 -14.000  -1.0365   0.04226   0.03677  -0.0360   1.0000   0.0056
 -13.750  -1.0333   0.04013   0.03454  -0.0356   1.0000   0.0057
 -13.500  -1.0284   0.03824   0.03255  -0.0353   1.0000   0.0058
 -13.250  -1.0229   0.03642   0.03066  -0.0348   1.0000   0.0059
 -13.000  -1.0187   0.03456   0.02872  -0.0342   1.0000   0.0059
 -12.750  -1.0177   0.03247   0.02655  -0.0333   1.0000   0.0063
 -12.500  -1.0109   0.03090   0.02494  -0.0326   1.0000   0.0067
 -12.250  -1.0034   0.02945   0.02342  -0.0318   1.0000   0.0069
 -12.000  -0.9943   0.02815   0.02204  -0.0310   1.0000   0.0071
 -11.750  -0.9848   0.02690   0.02075  -0.0301   1.0000   0.0075
 -11.500  -0.9752   0.02569   0.01947  -0.0291   1.0000   0.0077
 -11.250  -0.9642   0.02462   0.01834  -0.0281   1.0000   0.0083
 -11.000  -0.9539   0.02353   0.01720  -0.0270   1.0000   0.0086
 -10.750  -0.9361   0.02242   0.01605  -0.0275   0.9541   0.0096
 -10.500  -0.9025   0.02138   0.01485  -0.0309   0.8992   0.0107
 -10.250  -0.8915   0.02067   0.01396  -0.0292   0.8661   0.0118
 -10.000  -0.8801   0.02000   0.01316  -0.0275   0.8452   0.0126
  -9.750  -0.8710   0.01920   0.01224  -0.0255   0.8292   0.0138
  -9.500  -0.8598   0.01852   0.01148  -0.0236   0.8166   0.0151
  -9.250  -0.8471   0.01795   0.01080  -0.0219   0.8058   0.0165
  -9.000  -0.8347   0.01737   0.01014  -0.0200   0.7959   0.0180
  -8.750  -0.8229   0.01679   0.00952  -0.0179   0.7869   0.0206
  -8.250  -0.7980   0.01583   0.00848  -0.0135   0.7716   0.0282
  -7.750  -0.7679   0.01486   0.00751  -0.0099   0.7584   0.0459
  -7.500  -0.7512   0.01436   0.00703  -0.0084   0.7524   0.0604
  -7.250  -0.7349   0.01379   0.00655  -0.0069   0.7470   0.0821
  -7.000  -0.7164   0.01328   0.00612  -0.0057   0.7413   0.1036
  -6.750  -0.6974   0.01280   0.00570  -0.0045   0.7362   0.1281
  -6.500  -0.6788   0.01224   0.00527  -0.0034   0.7314   0.1605
  -6.250  -0.6589   0.01173   0.00488  -0.0024   0.7265   0.1937
  -6.000  -0.6386   0.01124   0.00451  -0.0014   0.7219   0.2287
  -5.750  -0.6199   0.01061   0.00409  -0.0003   0.7175   0.2811
  -5.500  -0.6006   0.00999   0.00371   0.0008   0.7129   0.3362
  -5.250  -0.5799   0.00947   0.00338   0.0017   0.7087   0.3887
  -5.000  -0.5572   0.00912   0.00316   0.0024   0.7048   0.4316
  -4.750  -0.5325   0.00886   0.00300   0.0028   0.7005   0.4644
  -4.500  -0.5063   0.00871   0.00287   0.0029   0.6963   0.4866
  -4.250  -0.4796   0.00861   0.00274   0.0030   0.6925   0.5025
  -4.000  -0.4524   0.00852   0.00265   0.0030   0.6887   0.5169
  -3.750  -0.4249   0.00844   0.00256   0.0029   0.6846   0.5299
  -3.500  -0.3973   0.00837   0.00249   0.0029   0.6807   0.5408
  -3.250  -0.3696   0.00833   0.00240   0.0028   0.6771   0.5498
  -3.000  -0.3413   0.00829   0.00233   0.0026   0.6734   0.5584
  -2.750  -0.3133   0.00824   0.00228   0.0025   0.6693   0.5662
  -2.500  -0.2850   0.00822   0.00222   0.0023   0.6655   0.5743
  -2.250  -0.2570   0.00820   0.00218   0.0022   0.6620   0.5811
  -2.000  -0.2284   0.00818   0.00213   0.0019   0.6582   0.5877
  -1.750  -0.2000   0.00815   0.00210   0.0017   0.6542   0.5932
  -1.500  -0.1715   0.00814   0.00207   0.0015   0.6505   0.5991
  -1.250  -0.1431   0.00814   0.00203   0.0013   0.6470   0.6045
  -1.000  -0.1145   0.00811   0.00202   0.0010   0.6430   0.6094
  -0.750  -0.0858   0.00811   0.00201   0.0008   0.6389   0.6144
  -0.500  -0.0572   0.00811   0.00199   0.0005   0.6350   0.6188
  -0.250  -0.0288   0.00810   0.00198   0.0003   0.6314   0.6228
   0.000   0.0000   0.00809   0.00199   0.0000   0.6271   0.6271
   0.250   0.0288   0.00810   0.00198  -0.0003   0.6228   0.6314
   0.500   0.0572   0.00811   0.00198  -0.0005   0.6188   0.6350
   0.750   0.0858   0.00811   0.00201  -0.0008   0.6144   0.6389
   1.000   0.1145   0.00811   0.00202  -0.0010   0.6094   0.6430
   1.250   0.1431   0.00814   0.00203  -0.0013   0.6045   0.6470
   1.500   0.1715   0.00814   0.00207  -0.0015   0.5991   0.6504
   1.750   0.2000   0.00815   0.00211  -0.0017   0.5932   0.6543
   2.000   0.2284   0.00818   0.00213  -0.0019   0.5877   0.6582
   2.250   0.2570   0.00820   0.00218  -0.0022   0.5811   0.6621
   2.500   0.2850   0.00822   0.00222  -0.0023   0.5744   0.6656
   2.750   0.3133   0.00824   0.00228  -0.0025   0.5662   0.6693
   3.000   0.3414   0.00829   0.00233  -0.0026   0.5584   0.6734
   3.250   0.3696   0.00833   0.00240  -0.0028   0.5498   0.6771
   3.500   0.3974   0.00837   0.00249  -0.0029   0.5408   0.6807
   3.750   0.4249   0.00844   0.00256  -0.0029   0.5298   0.6846
   4.000   0.4524   0.00852   0.00264  -0.0030   0.5167   0.6888
   4.250   0.4795   0.00861   0.00274  -0.0030   0.5022   0.6925
   4.500   0.5063   0.00871   0.00287  -0.0029   0.4866   0.6963
   4.750   0.5325   0.00886   0.00300  -0.0028   0.4639   0.7004
   5.000   0.5572   0.00912   0.00316  -0.0024   0.4313   0.7048
   5.250   0.5800   0.00947   0.00338  -0.0017   0.3886   0.7087
   5.500   0.6007   0.00998   0.00371  -0.0008   0.3368   0.7129
   5.750   0.6199   0.01061   0.00410   0.0003   0.2807   0.7175
   6.000   0.6388   0.01124   0.00450   0.0014   0.2293   0.7219
   6.250   0.6590   0.01173   0.00488   0.0023   0.1936   0.7265
   6.500   0.6789   0.01224   0.00527   0.0033   0.1603   0.7314
   6.750   0.6978   0.01279   0.00570   0.0045   0.1293   0.7363
   7.000   0.7166   0.01328   0.00612   0.0056   0.1036   0.7414
   7.250   0.7349   0.01380   0.00656   0.0069   0.0813   0.7470
   7.500   0.7517   0.01435   0.00703   0.0083   0.0613   0.7523
   7.750   0.7680   0.01487   0.00751   0.0099   0.0456   0.7584
   8.250   0.7978   0.01585   0.00849   0.0135   0.0273   0.7715
   8.500   0.8101   0.01633   0.00898   0.0158   0.0233   0.7791
   8.750   0.8234   0.01679   0.00952   0.0178   0.0207   0.7868
   9.000   0.8354   0.01736   0.01014   0.0199   0.0182   0.7958
   9.250   0.8476   0.01795   0.01080   0.0218   0.0165   0.8059
   9.500   0.8604   0.01852   0.01147   0.0236   0.0151   0.8166
   9.750   0.8719   0.01918   0.01222   0.0254   0.0139   0.8292
  10.000   0.8808   0.01999   0.01314   0.0274   0.0125   0.8455
  10.250   0.8924   0.02064   0.01393   0.0291   0.0117   0.8664
  10.500   0.9034   0.02136   0.01483   0.0307   0.0111   0.8992
  10.750   0.9364   0.02247   0.01609   0.0274   0.0094   0.9548
  11.000   0.9538   0.02358   0.01725   0.0270   0.0086   1.0000
  11.250   0.9649   0.02462   0.01834   0.0280   0.0082   1.0000
  11.500   0.9755   0.02573   0.01951   0.0290   0.0078   1.0000
  11.750   0.9859   0.02688   0.02072   0.0299   0.0074   1.0000
  12.000   0.9952   0.02814   0.02204   0.0308   0.0070   1.0000
  12.250   1.0049   0.02940   0.02336   0.0316   0.0067   1.0000
  12.500   1.0124   0.03087   0.02489   0.0324   0.0065   1.0000
  12.750   1.0186   0.03248   0.02657   0.0332   0.0063   1.0000
  13.000   1.0201   0.03454   0.02870   0.0340   0.0059   1.0000
  13.250   1.0252   0.03633   0.03057   0.0346   0.0059   1.0000
  13.500   1.0291   0.03828   0.03260   0.0351   0.0058   1.0000
  13.750   1.0341   0.04018   0.03459   0.0355   0.0057   1.0000
  14.000   1.0390   0.04214   0.03665   0.0357   0.0055   1.0000
  14.250   1.0423   0.04434   0.03894   0.0358   0.0054   1.0000
  14.500   1.0452   0.04665   0.04134   0.0359   0.0053   1.0000
  14.750   1.0444   0.04944   0.04424   0.0358   0.0053   1.0000
  15.000   1.0472   0.05195   0.04685   0.0354   0.0051   1.0000
  15.250   1.0473   0.05484   0.04985   0.0350   0.0050   1.0000
  15.500   1.0483   0.05773   0.05284   0.0344   0.0050   1.0000
  15.750   1.0444   0.06131   0.05654   0.0335   0.0048   1.0000
  16.000   1.0454   0.06441   0.05973   0.0326   0.0048   1.0000
  16.250   1.0410   0.06831   0.06376   0.0313   0.0048   1.0000
  16.500   1.0381   0.07217   0.06773   0.0299   0.0046   1.0000
  16.750   1.0320   0.07659   0.07227   0.0282   0.0046   1.0000
  17.000   1.0278   0.08085   0.07664   0.0263   0.0046   1.0000
  17.250   1.0256   0.08501   0.08089   0.0243   0.0044   1.0000
  17.500   1.0160   0.09044   0.08645   0.0218   0.0044   1.0000
  17.750   1.0061   0.09611   0.09225   0.0190   0.0044   1.0000
  18.000   0.9983   0.10157   0.09782   0.0162   0.0043   1.0000
  18.250   0.9860   0.10797   0.10436   0.0129   0.0043   1.0000
  18.500   0.9753   0.11428   0.11079   0.0095   0.0043   1.0000
  18.750   0.9676   0.12022   0.11682   0.0061   0.0042   1.0000
  19.000   0.9520   0.12776   0.12450   0.0019   0.0042   1.0000
  19.250   0.9401   0.13478   0.13163  -0.0021   0.0042   1.0000
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