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EPPLER E838 HYDROFOIL AIRFOIL (e838-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E838 HYDROFOIL AIRFOIL (e838-il)
Reynolds number: 200,000
Max Cl/Cd: 49.61 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e838-il-200000-n5.txt
Download as CSV file: xf-e838-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -0.7426   0.14771   0.14406  -0.0064   1.0000   0.0099
 -18.250  -0.7930   0.13008   0.12613  -0.0164   1.0000   0.0094
 -18.000  -0.8182   0.11996   0.11579  -0.0223   1.0000   0.0095
 -17.750  -0.8368   0.11190   0.10753  -0.0268   1.0000   0.0094
 -17.500  -0.8523   0.10485   0.10028  -0.0305   1.0000   0.0095
 -17.250  -0.8655   0.09855   0.09379  -0.0336   1.0000   0.0095
 -17.000  -0.8766   0.09287   0.08793  -0.0363   1.0000   0.0097
 -16.750  -0.8856   0.08775   0.08261  -0.0383   1.0000   0.0096
 -16.500  -0.8923   0.08317   0.07786  -0.0401   1.0000   0.0098
 -16.250  -0.8979   0.07888   0.07339  -0.0414   1.0000   0.0099
 -16.000  -0.9011   0.07506   0.06940  -0.0426   1.0000   0.0103
 -15.750  -0.9024   0.07159   0.06576  -0.0432   1.0000   0.0102
 -15.500  -0.9024   0.06838   0.06238  -0.0439   1.0000   0.0106
 -15.250  -0.9011   0.06541   0.05920  -0.0445   1.0000   0.0112
 -15.000  -0.8977   0.06274   0.05636  -0.0448   1.0000   0.0115
 -14.750  -0.8940   0.06024   0.05377  -0.0449   1.0000   0.0118
 -14.500  -0.8904   0.05783   0.05131  -0.0451   1.0000   0.0124
 -14.250  -0.8840   0.05572   0.04912  -0.0450   1.0000   0.0125
 -14.000  -0.8781   0.05360   0.04693  -0.0449   1.0000   0.0130
 -13.750  -0.8708   0.05167   0.04491  -0.0448   1.0000   0.0134
 -13.500  -0.8634   0.04978   0.04294  -0.0445   1.0000   0.0139
 -13.250  -0.8559   0.04794   0.04101  -0.0441   1.0000   0.0145
 -13.000  -0.8477   0.04620   0.03915  -0.0437   1.0000   0.0153
 -12.750  -0.8411   0.04438   0.03726  -0.0432   1.0000   0.0158
 -12.500  -0.8355   0.04252   0.03539  -0.0427   1.0000   0.0166
 -12.250  -0.8275   0.04090   0.03374  -0.0424   1.0000   0.0177
 -12.000  -0.8181   0.03944   0.03221  -0.0420   1.0000   0.0189
 -11.750  -0.8087   0.03799   0.03068  -0.0415   1.0000   0.0203
 -11.500  -0.7906   0.03598   0.02855  -0.0440   0.9156   0.0221
 -11.250  -0.7749   0.03444   0.02685  -0.0449   0.8867   0.0240
 -10.750  -0.7548   0.03184   0.02397  -0.0436   0.8527   0.0284
 -10.500  -0.7463   0.03057   0.02265  -0.0427   0.8406   0.0316
 -10.250  -0.7357   0.02950   0.02145  -0.0417   0.8305   0.0356
 -10.000  -0.7296   0.02824   0.02014  -0.0402   0.8218   0.0405
  -9.750  -0.7210   0.02712   0.01897  -0.0389   0.8137   0.0471
  -9.500  -0.7139   0.02595   0.01777  -0.0374   0.8069   0.0562
  -9.250  -0.7068   0.02479   0.01663  -0.0359   0.7998   0.0682
  -9.000  -0.7020   0.02357   0.01545  -0.0341   0.7936   0.0858
  -8.750  -0.6973   0.02236   0.01432  -0.0322   0.7874   0.1073
  -8.500  -0.6943   0.02115   0.01319  -0.0300   0.7817   0.1321
  -8.250  -0.6937   0.01992   0.01206  -0.0273   0.7768   0.1633
  -8.000  -0.6951   0.01868   0.01096  -0.0242   0.7710   0.1980
  -7.750  -0.7007   0.01746   0.00991  -0.0202   0.7658   0.2392
  -7.500  -0.7085   0.01647   0.00909  -0.0151   0.7612   0.2821
  -7.250  -0.7160   0.01552   0.00842  -0.0098   0.7561   0.3372
  -7.000  -0.7178   0.01468   0.00793  -0.0053   0.7519   0.4066
  -6.750  -0.7080   0.01427   0.00776  -0.0023   0.7485   0.4694
  -6.500  -0.6897   0.01416   0.00775  -0.0007   0.7444   0.5071
  -6.250  -0.6679   0.01412   0.00764   0.0002   0.7403   0.5287
  -6.000  -0.6444   0.01411   0.00755   0.0009   0.7368   0.5437
  -5.750  -0.6205   0.01416   0.00752   0.0016   0.7340   0.5587
  -5.500  -0.5961   0.01426   0.00755   0.0022   0.7307   0.5730
  -5.250  -0.5721   0.01434   0.00754   0.0028   0.7268   0.5855
  -5.000  -0.5443   0.01449   0.00764   0.0028   0.7234   0.5932
  -4.750  -0.5196   0.01447   0.00748   0.0032   0.7204   0.6009
  -4.500  -0.4914   0.01453   0.00747   0.0031   0.7180   0.6054
  -4.250  -0.4651   0.01449   0.00736   0.0031   0.7145   0.6105
  -4.000  -0.4395   0.01440   0.00715   0.0032   0.7110   0.6152
  -3.750  -0.4112   0.01439   0.00708   0.0029   0.7078   0.6181
  -3.500  -0.3837   0.01435   0.00696   0.0028   0.7051   0.6214
  -3.250  -0.3569   0.01429   0.00679   0.0027   0.7027   0.6252
  -3.000  -0.3312   0.01419   0.00661   0.0027   0.6992   0.6293
  -2.750  -0.3029   0.01417   0.00657   0.0024   0.6959   0.6316
  -2.500  -0.2749   0.01415   0.00651   0.0021   0.6929   0.6343
  -2.250  -0.2474   0.01411   0.00640   0.0020   0.6903   0.6376
  -2.000  -0.2204   0.01405   0.00624   0.0018   0.6881   0.6411
  -1.750  -0.1937   0.01400   0.00617   0.0016   0.6846   0.6444
  -1.500  -0.1656   0.01400   0.00617   0.0014   0.6813   0.6468
  -1.250  -0.1377   0.01399   0.00614   0.0011   0.6783   0.6494
  -1.000  -0.1100   0.01396   0.00607   0.0009   0.6757   0.6524
  -0.750  -0.0825   0.01393   0.00597   0.0007   0.6736   0.6559
  -0.500  -0.0557   0.01391   0.00596   0.0005   0.6703   0.6592
  -0.250  -0.0279   0.01393   0.00600   0.0003   0.6668   0.6614
   0.000   0.0000   0.01393   0.00601   0.0000   0.6638   0.6639
   0.250   0.0279   0.01392   0.00600  -0.0003   0.6614   0.6669
   0.500   0.0557   0.01391   0.00595  -0.0005   0.6591   0.6703
   0.750   0.0825   0.01393   0.00597  -0.0007   0.6558   0.6737
   1.000   0.1100   0.01396   0.00607  -0.0009   0.6523   0.6758
   1.250   0.1377   0.01399   0.00614  -0.0011   0.6494   0.6783
   1.500   0.1656   0.01400   0.00617  -0.0014   0.6467   0.6813
   1.750   0.1937   0.01400   0.00617  -0.0016   0.6444   0.6847
   2.000   0.2203   0.01405   0.00624  -0.0018   0.6411   0.6882
   2.250   0.2474   0.01411   0.00640  -0.0020   0.6375   0.6903
   2.500   0.2749   0.01415   0.00651  -0.0021   0.6343   0.6929
   2.750   0.3029   0.01417   0.00657  -0.0024   0.6316   0.6960
   3.000   0.3312   0.01419   0.00661  -0.0027   0.6293   0.6993
   3.250   0.3569   0.01429   0.00679  -0.0027   0.6252   0.7028
   3.500   0.3836   0.01435   0.00697  -0.0028   0.6214   0.7051
   3.750   0.4112   0.01439   0.00709  -0.0029   0.6181   0.7079
   4.000   0.4395   0.01440   0.00715  -0.0032   0.6152   0.7110
   4.250   0.4651   0.01450   0.00736  -0.0031   0.6105   0.7145
   4.750   0.5196   0.01447   0.00748  -0.0032   0.6009   0.7205
   5.000   0.5443   0.01450   0.00764  -0.0028   0.5932   0.7235
   5.250   0.5721   0.01435   0.00754  -0.0028   0.5855   0.7269
   5.500   0.5960   0.01427   0.00756  -0.0022   0.5730   0.7308
   5.750   0.6205   0.01416   0.00752  -0.0016   0.5588   0.7341
   6.000   0.6444   0.01411   0.00755  -0.0009   0.5438   0.7369
   6.250   0.6679   0.01412   0.00764  -0.0002   0.5287   0.7404
   6.500   0.6896   0.01416   0.00775   0.0007   0.5065   0.7445
   6.750   0.7080   0.01427   0.00776   0.0023   0.4691   0.7486
   7.000   0.7179   0.01467   0.00793   0.0053   0.4068   0.7519
   7.250   0.7157   0.01553   0.00843   0.0099   0.3362   0.7562
   7.500   0.7085   0.01647   0.00909   0.0151   0.2819   0.7613
   7.750   0.7006   0.01746   0.00991   0.0202   0.2389   0.7659
   8.000   0.6954   0.01867   0.01095   0.0242   0.1980   0.7711
   8.250   0.6935   0.01994   0.01207   0.0273   0.1623   0.7769
   8.500   0.6943   0.02116   0.01319   0.0300   0.1314   0.7817
   8.750   0.6975   0.02236   0.01431   0.0322   0.1071   0.7874
   9.000   0.7022   0.02357   0.01545   0.0341   0.0854   0.7937
   9.250   0.7073   0.02477   0.01661   0.0359   0.0686   0.7998
   9.500   0.7141   0.02596   0.01777   0.0374   0.0554   0.8070
   9.750   0.7215   0.02711   0.01895   0.0389   0.0469   0.8137
  10.000   0.7303   0.02821   0.02012   0.0401   0.0407   0.8218
  10.250   0.7364   0.02948   0.02143   0.0416   0.0354   0.8306
  10.500   0.7467   0.03058   0.02265   0.0426   0.0317   0.8408
  10.750   0.7549   0.03186   0.02399   0.0436   0.0284   0.8530
  11.000   0.7642   0.03314   0.02539   0.0444   0.0259   0.8676
  11.250   0.7757   0.03442   0.02683   0.0448   0.0241   0.8870
  11.500   0.7916   0.03597   0.02853   0.0438   0.0220   0.9161
  11.750   0.8092   0.03799   0.03067   0.0414   0.0205   1.0000
  12.000   0.8186   0.03944   0.03221   0.0419   0.0193   1.0000
  12.250   0.8283   0.04089   0.03373   0.0423   0.0178   1.0000
  12.500   0.8363   0.04251   0.03538   0.0427   0.0167   1.0000
  12.750   0.8424   0.04433   0.03723   0.0431   0.0160   1.0000
  13.000   0.8487   0.04618   0.03913   0.0436   0.0151   1.0000
  13.250   0.8571   0.04790   0.04095   0.0440   0.0147   1.0000
  13.500   0.8649   0.04971   0.04286   0.0443   0.0142   1.0000
  13.750   0.8725   0.05158   0.04482   0.0446   0.0136   1.0000
  14.000   0.8793   0.05356   0.04688   0.0448   0.0130   1.0000
  14.250   0.8857   0.05564   0.04904   0.0449   0.0126   1.0000
  14.500   0.8908   0.05787   0.05133   0.0448   0.0121   1.0000
  14.750   0.8967   0.06006   0.05361   0.0448   0.0120   1.0000
  15.000   0.8997   0.06264   0.05627   0.0447   0.0116   1.0000
  15.250   0.9029   0.06533   0.05910   0.0445   0.0113   1.0000
  15.500   0.9047   0.06822   0.06219   0.0439   0.0109   1.0000
  15.750   0.9035   0.07159   0.06576   0.0432   0.0104   1.0000
  16.000   0.9035   0.07487   0.06918   0.0425   0.0104   1.0000
  16.250   0.8992   0.07885   0.07336   0.0413   0.0100   1.0000
  16.500   0.8944   0.08302   0.07770   0.0400   0.0099   1.0000
  16.750   0.8868   0.08775   0.08262   0.0382   0.0097   1.0000
  17.000   0.8783   0.09280   0.08786   0.0361   0.0096   1.0000
  17.250   0.8682   0.09830   0.09354   0.0335   0.0095   1.0000
  17.500   0.8545   0.10467   0.10010   0.0304   0.0094   1.0000
  17.750   0.8388   0.11176   0.10738   0.0267   0.0094   1.0000
  18.000   0.8189   0.12013   0.11596   0.0220   0.0095   1.0000
  18.250   0.7921   0.13063   0.12670   0.0160   0.0096   1.0000
  18.500   0.7476   0.14678   0.14311   0.0068   0.0100   1.0000
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