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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 100,000
Max Cl/Cd: 43.19 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e837-il-100000.txt
Download as CSV file: xf-e837-il-100000.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 =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.7169   0.11447   0.10957  -0.0256   1.0000   0.0519
 -14.500  -0.7252   0.10766   0.10272  -0.0284   1.0000   0.0509
 -14.250  -0.7424   0.10024   0.09525  -0.0322   1.0000   0.0499
 -14.000  -0.7713   0.09209   0.08698  -0.0368   1.0000   0.0493
 -13.750  -0.7994   0.08500   0.07975  -0.0404   1.0000   0.0487
 -13.500  -0.8251   0.07891   0.07348  -0.0429   1.0000   0.0481
 -13.250  -0.8486   0.07352   0.06789  -0.0445   1.0000   0.0474
 -13.000  -0.8723   0.06854   0.06268  -0.0452   1.0000   0.0470
 -12.750  -0.8919   0.06422   0.05812  -0.0452   1.0000   0.0466
 -12.500  -0.9095   0.06021   0.05384  -0.0445   1.0000   0.0462
 -12.250  -0.9232   0.05661   0.04995  -0.0433   1.0000   0.0459
 -12.000  -0.9329   0.05330   0.04636  -0.0417   1.0000   0.0459
 -11.750  -0.9367   0.05042   0.04321  -0.0400   1.0000   0.0462
 -11.500  -0.9377   0.04800   0.04054  -0.0381   1.0000   0.0477
 -11.250  -0.9371   0.04571   0.03797  -0.0360   1.0000   0.0491
 -11.000  -0.9328   0.04348   0.03540  -0.0338   1.0000   0.0504
 -10.750  -0.9226   0.04139   0.03295  -0.0320   1.0000   0.0515
 -10.500  -0.8691   0.03731   0.02890  -0.0352   1.0000   0.0560
 -10.250  -0.8492   0.03568   0.02714  -0.0344   1.0000   0.0608
 -10.000  -0.8185   0.03367   0.02519  -0.0344   1.0000   0.0676
  -9.750  -0.7998   0.03225   0.02366  -0.0333   1.0000   0.0755
  -9.500  -0.7838   0.03061   0.02223  -0.0321   1.0000   0.0866
  -9.250  -0.7752   0.02898   0.02070  -0.0302   1.0000   0.1010
  -9.000  -0.7756   0.02715   0.01919  -0.0276   1.0000   0.1200
  -8.750  -0.7832   0.02532   0.01769  -0.0239   1.0000   0.1477
  -8.500  -0.7995   0.02389   0.01663  -0.0186   1.0000   0.1783
  -8.250  -0.8262   0.02350   0.01640  -0.0107   1.0000   0.1917
  -8.000  -0.8546   0.02333   0.01630  -0.0025   1.0000   0.2015
  -7.750  -0.8780   0.02265   0.01582   0.0046   1.0000   0.2292
  -7.500  -0.8880   0.02131   0.01497   0.0091   0.9968   0.2947
  -7.250  -0.8693   0.02013   0.01448   0.0089   0.9866   0.4081
  -7.000  -0.8402   0.02026   0.01481   0.0083   0.9778   0.4841
  -6.750  -0.8037   0.02109   0.01558   0.0071   0.9704   0.5345
  -6.500  -0.7708   0.02210   0.01648   0.0069   0.9624   0.5634
  -6.250  -0.7249   0.02345   0.01771   0.0049   0.9571   0.5863
  -6.000  -0.6844   0.02475   0.01890   0.0040   0.9510   0.6039
  -5.750  -0.6406   0.02593   0.01992   0.0025   0.9455   0.6189
  -5.500  -0.5879   0.02712   0.02094  -0.0005   0.9421   0.6321
  -5.250  -0.5520   0.02779   0.02146  -0.0013   0.9356   0.6443
  -5.000  -0.5141   0.02817   0.02168  -0.0028   0.9299   0.6570
  -4.750  -0.4510   0.02944   0.02282  -0.0068   0.9279   0.6629
  -4.500  -0.4237   0.02949   0.02273  -0.0070   0.9207   0.6737
  -4.250  -0.3917   0.02949   0.02261  -0.0079   0.9144   0.6846
  -4.000  -0.3337   0.03011   0.02311  -0.0119   0.9119   0.6898
  -3.750  -0.3296   0.02969   0.02260  -0.0090   0.9019   0.7017
  -3.500  -0.2717   0.03025   0.02306  -0.0129   0.8988   0.7056
  -3.250  -0.2695   0.02976   0.02250  -0.0099   0.8896   0.7171
  -3.000  -0.2196   0.03012   0.02278  -0.0128   0.8855   0.7211
  -2.750  -0.2174   0.02961   0.02220  -0.0099   0.8771   0.7321
  -2.500  -0.1748   0.02990   0.02245  -0.0118   0.8718   0.7362
  -2.250  -0.1677   0.02934   0.02180  -0.0096   0.8653   0.7469
  -2.000  -0.1366   0.02965   0.02210  -0.0099   0.8583   0.7509
  -1.750  -0.1295   0.02907   0.02145  -0.0076   0.8520   0.7615
  -1.500  -0.1015   0.02941   0.02179  -0.0075   0.8449   0.7654
  -1.250  -0.0777   0.02927   0.02161  -0.0073   0.8391   0.7722
  -1.000  -0.0679   0.02917   0.02149  -0.0050   0.8320   0.7795
  -0.750  -0.0439   0.02921   0.02152  -0.0047   0.8256   0.7853
  -0.500  -0.0297   0.02889   0.02116  -0.0031   0.8203   0.7932
  -0.250  -0.0144   0.02915   0.02145  -0.0016   0.8122   0.7986
   0.000  -0.0001   0.02877   0.02103   0.0000   0.8072   0.8072
   0.250   0.0142   0.02915   0.02144   0.0016   0.7986   0.8121
   0.500   0.0298   0.02889   0.02116   0.0031   0.7932   0.8203
   0.750   0.0441   0.02921   0.02152   0.0047   0.7853   0.8257
   1.000   0.0677   0.02918   0.02149   0.0050   0.7796   0.8320
   1.250   0.0778   0.02927   0.02161   0.0072   0.7723   0.8391
   1.500   0.1015   0.02941   0.02179   0.0075   0.7654   0.8450
   1.750   0.1294   0.02907   0.02145   0.0076   0.7615   0.8520
   2.000   0.1363   0.02965   0.02210   0.0099   0.7509   0.8582
   2.250   0.1677   0.02933   0.02179   0.0096   0.7469   0.8652
   2.500   0.1750   0.02990   0.02244   0.0118   0.7362   0.8718
   2.750   0.2171   0.02961   0.02220   0.0099   0.7321   0.8771
   3.000   0.2196   0.03012   0.02278   0.0128   0.7211   0.8855
   3.250   0.2696   0.02975   0.02249   0.0099   0.7171   0.8896
   3.500   0.2718   0.03024   0.02305   0.0129   0.7056   0.8988
   3.750   0.3295   0.02968   0.02258   0.0091   0.7017   0.9019
   4.000   0.3338   0.03011   0.02311   0.0118   0.6898   0.9119
   4.250   0.3918   0.02948   0.02259   0.0079   0.6846   0.9144
   4.500   0.4240   0.02947   0.02271   0.0069   0.6737   0.9207
   4.750   0.4513   0.02942   0.02280   0.0068   0.6629   0.9279
   5.000   0.5141   0.02817   0.02168   0.0028   0.6570   0.9299
   5.250   0.5521   0.02778   0.02145   0.0012   0.6443   0.9357
   5.500   0.5881   0.02710   0.02093   0.0005   0.6320   0.9421
   5.750   0.6405   0.02592   0.01991  -0.0025   0.6188   0.9455
   6.000   0.6845   0.02475   0.01889  -0.0040   0.6040   0.9510
   6.250   0.7248   0.02346   0.01772  -0.0049   0.5864   0.9571
   6.500   0.7707   0.02210   0.01647  -0.0069   0.5635   0.9624
   6.750   0.8037   0.02108   0.01558  -0.0070   0.5341   0.9704
   7.000   0.8403   0.02025   0.01480  -0.0083   0.4838   0.9778
   7.250   0.8694   0.02013   0.01447  -0.0089   0.4080   0.9866
   7.500   0.8881   0.02132   0.01497  -0.0091   0.2939   0.9969
   7.750   0.8777   0.02265   0.01582  -0.0046   0.2287   1.0000
   8.000   0.8546   0.02332   0.01629   0.0025   0.2016   1.0000
   8.250   0.8260   0.02349   0.01639   0.0107   0.1914   1.0000
   8.500   0.7995   0.02389   0.01662   0.0186   0.1780   1.0000
   8.750   0.7836   0.02531   0.01768   0.0239   0.1480   1.0000
   9.000   0.7758   0.02714   0.01917   0.0275   0.1199   1.0000
   9.250   0.7754   0.02898   0.02072   0.0302   0.1004   1.0000
   9.500   0.7843   0.03061   0.02223   0.0321   0.0865   1.0000
   9.750   0.8000   0.03226   0.02367   0.0333   0.0753   1.0000
  10.000   0.8189   0.03366   0.02518   0.0344   0.0677   1.0000
  10.250   0.8498   0.03566   0.02712   0.0344   0.0609   1.0000
  10.500   0.8699   0.03731   0.02891   0.0351   0.0560   1.0000
  10.750   0.9232   0.04140   0.03296   0.0319   0.0515   1.0000
  11.000   0.9318   0.04340   0.03533   0.0339   0.0503   1.0000
  11.250   0.9363   0.04557   0.03781   0.0360   0.0489   1.0000
  11.500   0.9385   0.04804   0.04058   0.0380   0.0478   1.0000
  11.750   0.9372   0.05047   0.04326   0.0399   0.0464   1.0000
  12.000   0.9334   0.05330   0.04635   0.0416   0.0458   1.0000
  12.250   0.9234   0.05666   0.05001   0.0432   0.0459   1.0000
  12.500   0.9099   0.06025   0.05388   0.0444   0.0462   1.0000
  12.750   0.8923   0.06425   0.05815   0.0451   0.0465   1.0000
  13.000   0.8726   0.06860   0.06275   0.0451   0.0470   1.0000
  13.250   0.8500   0.07350   0.06787   0.0444   0.0475   1.0000
  13.500   0.8252   0.07901   0.07358   0.0427   0.0480   1.0000
  13.750   0.7991   0.08519   0.07994   0.0402   0.0487   1.0000
  14.000   0.7711   0.09224   0.08714   0.0365   0.0492   1.0000
  14.250   0.7438   0.10025   0.09526   0.0321   0.0500   1.0000
  14.500   0.7259   0.10778   0.10284   0.0282   0.0509   1.0000
  14.750   0.7170   0.11465   0.10976   0.0253   0.0519   1.0000
  15.000   0.4778   0.15096   0.14658   0.0060   0.1289   1.0000
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