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EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il)
Reynolds number: 100,000
Max Cl/Cd: 31.5 at α=8.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e838-il-100000.txt
Download as CSV file: xf-e838-il-100000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.6470   0.13115   0.12638  -0.0281   1.0000   0.0586
 -15.500  -0.6528   0.12399   0.11919  -0.0314   1.0000   0.0569
 -15.250  -0.6658   0.11614   0.11134  -0.0350   1.0000   0.0554
 -15.000  -0.6979   0.10559   0.10072  -0.0408   1.0000   0.0530
 -14.750  -0.7498   0.09411   0.08901  -0.0471   1.0000   0.0506
 -14.500  -0.8177   0.08422   0.07872  -0.0516   1.0000   0.0486
 -14.250  -0.8575   0.07918   0.07334  -0.0527   1.0000   0.0475
 -14.000  -0.8791   0.07581   0.06972  -0.0525   1.0000   0.0471
 -13.750  -0.8891   0.07211   0.06581  -0.0522   1.0000   0.0467
 -13.500  -0.9020   0.06783   0.06131  -0.0516   1.0000   0.0465
 -13.250  -0.9130   0.06404   0.05729  -0.0506   1.0000   0.0464
 -13.000  -0.9226   0.06070   0.05370  -0.0494   1.0000   0.0464
 -12.750  -0.9322   0.05784   0.05057  -0.0477   1.0000   0.0466
 -12.500  -0.9409   0.05506   0.04752  -0.0457   1.0000   0.0470
 -12.250  -0.9195   0.05051   0.04285  -0.0463   1.0000   0.0491
 -12.000  -0.9046   0.04787   0.04005  -0.0458   1.0000   0.0505
 -11.750  -0.8834   0.04531   0.03728  -0.0455   1.0000   0.0523
 -11.500  -0.8569   0.04297   0.03470  -0.0454   1.0000   0.0547
 -11.250  -0.8389   0.04126   0.03271  -0.0447   1.0000   0.0575
 -11.000  -0.7901   0.03932   0.03095  -0.0458   1.0000   0.0646
 -10.750  -0.7560   0.03811   0.02967  -0.0455   1.0000   0.0716
 -10.500  -0.7343   0.03699   0.02868  -0.0449   1.0000   0.0806
 -10.250  -0.7158   0.03585   0.02774  -0.0437   1.0000   0.0925
 -10.000  -0.7073   0.03450   0.02656  -0.0422   1.0000   0.1096
  -9.750  -0.7111   0.03296   0.02538  -0.0397   1.0000   0.1285
  -9.500  -0.7340   0.03267   0.02519  -0.0340   1.0000   0.1374
  -9.250  -0.7583   0.03198   0.02465  -0.0287   0.9970   0.1492
  -9.000  -0.7671   0.02812   0.02160  -0.0296   0.9839   0.2289
  -8.750  -0.7830   0.02490   0.01939  -0.0284   0.9707   0.3579
  -8.500  -0.7664   0.02548   0.02057  -0.0266   0.9606   0.4826
  -8.250  -0.7342   0.02699   0.02190  -0.0266   0.9534   0.5278
  -8.000  -0.6128   0.03549   0.03005  -0.0306   0.9568   0.5526
  -7.750  -0.5412   0.03948   0.03372  -0.0327   0.9544   0.5648
  -7.500  -0.4423   0.04439   0.03828  -0.0363   0.9545   0.5697
  -7.250  -0.3980   0.04528   0.03898  -0.0380   0.9480   0.5821
  -7.000  -0.3585   0.04531   0.03882  -0.0404   0.9424   0.5950
  -6.750  -0.3346   0.04508   0.03843  -0.0410   0.9344   0.6078
  -6.500  -0.2717   0.04590   0.03905  -0.0444   0.9306   0.6128
  -6.250  -0.2495   0.04534   0.03836  -0.0451   0.9239   0.6248
  -6.000  -0.2078   0.04552   0.03840  -0.0467   0.9175   0.6324
  -5.750  -0.1799   0.04507   0.03783  -0.0476   0.9116   0.6421
  -5.500  -0.1778   0.04452   0.03721  -0.0457   0.9034   0.6536
  -5.250  -0.1275   0.04452   0.03708  -0.0484   0.8990   0.6592
  -5.000  -0.1239   0.04397   0.03647  -0.0465   0.8919   0.6695
  -4.750  -0.0836   0.04386   0.03627  -0.0482   0.8866   0.6756
  -4.500  -0.0776   0.04330   0.03563  -0.0464   0.8810   0.6850
  -4.250  -0.0428   0.04316   0.03543  -0.0477   0.8755   0.6908
  -4.000  -0.0469   0.04264   0.03488  -0.0447   0.8689   0.6995
  -3.750  -0.0036   0.04240   0.03455  -0.0469   0.8653   0.7050
  -3.500  -0.0058   0.04211   0.03425  -0.0443   0.8584   0.7120
  -3.250   0.0238   0.04174   0.03384  -0.0451   0.8541   0.7176
  -3.000   0.0463   0.04144   0.03349  -0.0450   0.8498   0.7232
  -2.750   0.0258   0.04120   0.03326  -0.0400   0.8420   0.7295
  -2.500   0.0727   0.04093   0.03295  -0.0430   0.8389   0.7338
  -2.250   0.0908   0.04062   0.03261  -0.0424   0.8349   0.7387
  -2.000   0.0547   0.04062   0.03263  -0.0350   0.8264   0.7445
  -1.750   0.1038   0.04034   0.03233  -0.0385   0.8235   0.7479
  -1.500   0.1292   0.04002   0.03198  -0.0388   0.8205   0.7519
  -1.250   0.1072   0.04041   0.03241  -0.0331   0.8123   0.7568
  -1.000   0.1040   0.04011   0.03210  -0.0294   0.8074   0.7612
  -0.750   0.1392   0.04001   0.03200  -0.0311   0.8045   0.7645
  -0.500   0.1112   0.04071   0.03275  -0.0241   0.7962   0.7695
  -0.250   0.0604   0.04028   0.03228  -0.0126   0.7907   0.7760
   0.000  -0.0019   0.04135   0.03341   0.0003   0.7815   0.7815
   0.250  -0.0616   0.04027   0.03228   0.0128   0.7760   0.7907
   0.500  -0.1111   0.04071   0.03275   0.0240   0.7696   0.7962
   0.750  -0.1403   0.04000   0.03199   0.0313   0.7646   0.8046
   1.000  -0.1057   0.04010   0.03209   0.0296   0.7613   0.8075
   1.250  -0.1068   0.04040   0.03240   0.0330   0.7569   0.8123
   1.500  -0.1292   0.04002   0.03198   0.0388   0.7520   0.8205
   1.750  -0.1051   0.04034   0.03233   0.0387   0.7481   0.8236
   2.000  -0.0564   0.04062   0.03263   0.0352   0.7445   0.8265
   2.250  -0.0907   0.04061   0.03260   0.0423   0.7388   0.8350
   2.500  -0.0728   0.04092   0.03294   0.0430   0.7339   0.8389
   2.750  -0.0271   0.04120   0.03326   0.0401   0.7296   0.8421
   3.000  -0.0461   0.04143   0.03348   0.0450   0.7232   0.8498
   3.250  -0.0240   0.04174   0.03383   0.0451   0.7177   0.8541
   3.500   0.0067   0.04210   0.03425   0.0442   0.7121   0.8585
   3.750   0.0041   0.04237   0.03452   0.0468   0.7049   0.8654
   4.000   0.0475   0.04262   0.03486   0.0447   0.6995   0.8690
   4.250   0.0429   0.04314   0.03542   0.0477   0.6909   0.8758
   4.500   0.0771   0.04330   0.03563   0.0464   0.6851   0.8812
   4.750   0.0838   0.04384   0.03625   0.0482   0.6757   0.8866
   5.000   0.1239   0.04396   0.03645   0.0465   0.6695   0.8920
   5.250   0.1281   0.04449   0.03706   0.0484   0.6591   0.8991
   5.500   0.1778   0.04450   0.03720   0.0457   0.6537   0.9035
   5.750   0.1803   0.04506   0.03782   0.0476   0.6421   0.9118
   6.000   0.2085   0.04547   0.03835   0.0467   0.6322   0.9176
   6.250   0.2488   0.04536   0.03838   0.0451   0.6249   0.9242
   6.500   0.2721   0.04589   0.03905   0.0444   0.6129   0.9308
   6.750   0.3336   0.04514   0.03848   0.0410   0.6077   0.9348
   7.000   0.3594   0.04530   0.03881   0.0403   0.5950   0.9425
   7.250   0.3990   0.04522   0.03892   0.0379   0.5821   0.9480
   7.500   0.4436   0.04430   0.03820   0.0362   0.5696   0.9546
   7.750   0.5410   0.03951   0.03374   0.0326   0.5648   0.9546
   8.000   0.6130   0.03551   0.03007   0.0305   0.5526   0.9568
   8.250   0.7345   0.02697   0.02188   0.0266   0.5276   0.9535
   8.500   0.7669   0.02546   0.02054   0.0265   0.4818   0.9607
   8.750   0.7838   0.02488   0.01939   0.0283   0.3582   0.9707
   9.000   0.7672   0.02816   0.02162   0.0295   0.2275   0.9840
   9.250   0.7585   0.03202   0.02468   0.0287   0.1476   0.9972
   9.500   0.7343   0.03260   0.02512   0.0340   0.1378   1.0000
   9.750   0.7116   0.03293   0.02534   0.0396   0.1288   1.0000
  10.000   0.7076   0.03451   0.02655   0.0422   0.1089   1.0000
  10.250   0.7168   0.03582   0.02771   0.0437   0.0924   1.0000
  10.500   0.7355   0.03696   0.02863   0.0448   0.0807   1.0000
  10.750   0.7574   0.03808   0.02964   0.0455   0.0716   1.0000
  11.000   0.7911   0.03931   0.03094   0.0457   0.0645   1.0000
  11.250   0.8410   0.04129   0.03273   0.0445   0.0575   1.0000
  11.500   0.8564   0.04297   0.03471   0.0454   0.0544   1.0000
  11.750   0.8840   0.04533   0.03730   0.0454   0.0521   1.0000
  12.000   0.9058   0.04788   0.04004   0.0457   0.0503   1.0000
  12.250   0.9204   0.05043   0.04272   0.0461   0.0487   1.0000
  12.500   0.9424   0.05550   0.04797   0.0455   0.0469   1.0000
  12.750   0.9347   0.05798   0.05070   0.0474   0.0466   1.0000
  13.000   0.9219   0.06049   0.05349   0.0494   0.0463   1.0000
  13.250   0.9097   0.06392   0.05719   0.0508   0.0462   1.0000
  13.500   0.9011   0.06789   0.06138   0.0516   0.0465   1.0000
  13.750   0.8938   0.07235   0.06602   0.0520   0.0468   1.0000
  14.000   0.8796   0.07584   0.06975   0.0525   0.0471   1.0000
  14.250   0.8581   0.07919   0.07334   0.0526   0.0475   1.0000
  14.500   0.8213   0.08415   0.07863   0.0516   0.0484   1.0000
  14.750   0.7521   0.09395   0.08885   0.0471   0.0504   1.0000
  15.000   0.6982   0.10585   0.10098   0.0406   0.0535   1.0000
  15.250   0.6688   0.11583   0.11102   0.0352   0.0555   1.0000
  15.500   0.6525   0.12430   0.11950   0.0310   0.0568   1.0000
  15.750   0.6513   0.13043   0.12566   0.0287   0.0584   1.0000
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