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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 1,000,000
Max Cl/Cd: 80.09 at α=5.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e837-il-1000000.txt
Download as CSV file: xf-e837-il-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9292   0.14448   0.14221   0.0064   1.0000   0.0051
 -19.500  -0.9436   0.13667   0.13430   0.0018   1.0000   0.0050
 -19.250  -0.9632   0.12795   0.12543  -0.0032   1.0000   0.0050
 -19.000  -0.9809   0.11993   0.11727  -0.0077   1.0000   0.0051
 -18.750  -0.9924   0.11336   0.11058  -0.0114   1.0000   0.0051
 -18.500  -1.0090   0.10605   0.10313  -0.0153   1.0000   0.0051
 -18.250  -1.0153   0.10078   0.09777  -0.0182   1.0000   0.0051
 -18.000  -1.0322   0.09391   0.09075  -0.0215   1.0000   0.0051
 -17.750  -1.0411   0.08854   0.08526  -0.0241   1.0000   0.0051
 -17.500  -1.0500   0.08331   0.07991  -0.0265   1.0000   0.0051
 -17.250  -1.0588   0.07837   0.07485  -0.0286   1.0000   0.0051
 -17.000  -1.0646   0.07395   0.07031  -0.0304   1.0000   0.0052
 -16.750  -1.0685   0.06994   0.06620  -0.0319   1.0000   0.0052
 -16.500  -1.0738   0.06587   0.06201  -0.0332   1.0000   0.0053
 -16.250  -1.0757   0.06241   0.05845  -0.0343   1.0000   0.0053
 -16.000  -1.0762   0.05917   0.05511  -0.0352   1.0000   0.0054
 -15.750  -1.0784   0.05588   0.05172  -0.0358   1.0000   0.0054
 -15.500  -1.0744   0.05336   0.04911  -0.0364   1.0000   0.0055
 -15.250  -1.0770   0.05027   0.04592  -0.0367   1.0000   0.0054
 -15.000  -1.0677   0.04846   0.04405  -0.0371   1.0000   0.0055
 -14.750  -1.0871   0.04391   0.03932  -0.0367   1.0000   0.0057
 -14.500  -1.0904   0.04108   0.03640  -0.0364   1.0000   0.0058
 -14.250  -1.0860   0.03909   0.03434  -0.0362   1.0000   0.0059
 -14.000  -1.0857   0.03680   0.03198  -0.0356   1.0000   0.0061
 -13.750  -1.0816   0.03490   0.03003  -0.0351   1.0000   0.0063
 -13.500  -1.0720   0.03351   0.02860  -0.0348   1.0000   0.0066
 -13.250  -1.0688   0.03163   0.02663  -0.0339   1.0000   0.0065
 -13.000  -1.0580   0.03039   0.02536  -0.0334   1.0000   0.0069
 -12.750  -1.0538   0.02867   0.02356  -0.0324   1.0000   0.0070
 -12.500  -1.0442   0.02740   0.02224  -0.0316   1.0000   0.0072
 -12.250  -1.0372   0.02598   0.02075  -0.0306   1.0000   0.0073
 -12.000  -1.0267   0.02484   0.01955  -0.0297   1.0000   0.0075
 -11.750  -1.0170   0.02369   0.01834  -0.0286   1.0000   0.0076
 -11.500  -1.0070   0.02258   0.01718  -0.0275   1.0000   0.0078
 -11.250  -1.0058   0.02095   0.01547  -0.0255   1.0000   0.0083
 -11.000  -0.9967   0.01990   0.01438  -0.0240   1.0000   0.0087
 -10.750  -0.9861   0.01898   0.01343  -0.0226   1.0000   0.0089
 -10.500  -0.9645   0.01817   0.01258  -0.0231   0.9670   0.0096
 -10.250  -0.9283   0.01747   0.01168  -0.0263   0.9022   0.0103
  -9.750  -0.9147   0.01614   0.01004  -0.0207   0.8448   0.0120
  -9.500  -0.9030   0.01565   0.00947  -0.0186   0.8292   0.0128
  -9.250  -0.8890   0.01526   0.00900  -0.0166   0.8167   0.0140
  -9.000  -0.8792   0.01473   0.00838  -0.0139   0.8056   0.0153
  -8.750  -0.8675   0.01430   0.00791  -0.0113   0.7960   0.0173
  -8.500  -0.8496   0.01397   0.00751  -0.0099   0.7880   0.0190
  -8.250  -0.8338   0.01346   0.00698  -0.0082   0.7801   0.0232
  -8.000  -0.8154   0.01303   0.00655  -0.0068   0.7734   0.0289
  -7.750  -0.7974   0.01254   0.00610  -0.0055   0.7668   0.0408
  -7.500  -0.7795   0.01203   0.00566  -0.0041   0.7608   0.0584
  -7.250  -0.7602   0.01153   0.00525  -0.0030   0.7550   0.0798
  -7.000  -0.7414   0.01099   0.00483  -0.0018   0.7494   0.1087
  -6.750  -0.7217   0.01047   0.00445  -0.0007   0.7445   0.1417
  -6.500  -0.7018   0.00991   0.00407   0.0003   0.7393   0.1807
  -6.250  -0.6820   0.00934   0.00370   0.0013   0.7343   0.2278
  -6.000  -0.6613   0.00881   0.00335   0.0022   0.7298   0.2750
  -5.750  -0.6398   0.00827   0.00302   0.0030   0.7254   0.3252
  -5.500  -0.6177   0.00779   0.00273   0.0037   0.7209   0.3764
  -5.250  -0.5943   0.00742   0.00251   0.0042   0.7165   0.4219
  -5.000  -0.5694   0.00713   0.00235   0.0045   0.7125   0.4626
  -4.750  -0.5429   0.00694   0.00222   0.0046   0.7084   0.4872
  -4.500  -0.5156   0.00684   0.00212   0.0046   0.7043   0.5049
  -4.250  -0.4880   0.00678   0.00205   0.0045   0.7002   0.5215
  -4.000  -0.4600   0.00669   0.00197   0.0044   0.6965   0.5339
  -3.750  -0.4318   0.00662   0.00191   0.0042   0.6926   0.5436
  -3.500  -0.4032   0.00661   0.00184   0.0039   0.6887   0.5525
  -3.250  -0.3751   0.00657   0.00179   0.0038   0.6848   0.5611
  -3.000  -0.3463   0.00653   0.00175   0.0035   0.6812   0.5690
  -2.750  -0.3177   0.00649   0.00171   0.0033   0.6773   0.5762
  -2.500  -0.2888   0.00650   0.00166   0.0030   0.6735   0.5825
  -2.250  -0.2604   0.00648   0.00163   0.0028   0.6698   0.5886
  -2.000  -0.2313   0.00646   0.00161   0.0024   0.6661   0.5949
  -1.750  -0.2025   0.00643   0.00158   0.0021   0.6623   0.6007
  -1.500  -0.1738   0.00643   0.00156   0.0019   0.6584   0.6064
  -1.250  -0.1447   0.00646   0.00154   0.0015   0.6547   0.6114
  -1.000  -0.1159   0.00641   0.00153   0.0013   0.6509   0.6164
  -0.750  -0.0869   0.00641   0.00152   0.0009   0.6469   0.6214
  -0.500  -0.0578   0.00644   0.00151   0.0006   0.6430   0.6259
  -0.250  -0.0291   0.00642   0.00151   0.0003   0.6391   0.6306
   0.000   0.0000   0.00640   0.00151   0.0000   0.6349   0.6349
   0.250   0.0291   0.00642   0.00151  -0.0003   0.6306   0.6391
   0.500   0.0578   0.00644   0.00151  -0.0006   0.6259   0.6430
   0.750   0.0868   0.00641   0.00152  -0.0009   0.6214   0.6469
   1.000   0.1159   0.00641   0.00153  -0.0012   0.6164   0.6509
   1.250   0.1447   0.00646   0.00154  -0.0015   0.6114   0.6547
   1.500   0.1737   0.00643   0.00156  -0.0019   0.6064   0.6584
   1.750   0.2025   0.00643   0.00158  -0.0021   0.6008   0.6622
   2.000   0.2312   0.00646   0.00161  -0.0024   0.5949   0.6661
   2.250   0.2604   0.00648   0.00163  -0.0027   0.5886   0.6698
   2.500   0.2888   0.00650   0.00166  -0.0030   0.5825   0.6735
   2.750   0.3177   0.00649   0.00171  -0.0033   0.5762   0.6773
   3.000   0.3462   0.00653   0.00175  -0.0035   0.5690   0.6812
   3.250   0.3750   0.00657   0.00179  -0.0038   0.5612   0.6848
   3.750   0.4317   0.00663   0.00191  -0.0042   0.5435   0.6926
   4.000   0.4600   0.00669   0.00197  -0.0044   0.5342   0.6965
   4.250   0.4880   0.00678   0.00205  -0.0045   0.5215   0.7002
   4.500   0.5155   0.00684   0.00212  -0.0046   0.5050   0.7043
   4.750   0.5429   0.00694   0.00222  -0.0046   0.4875   0.7084
   5.000   0.5694   0.00712   0.00235  -0.0045   0.4631   0.7125
   5.250   0.5943   0.00742   0.00251  -0.0042   0.4220   0.7165
   5.500   0.6176   0.00779   0.00273  -0.0037   0.3765   0.7208
   5.750   0.6398   0.00827   0.00302  -0.0030   0.3250   0.7254
   6.000   0.6612   0.00881   0.00335  -0.0022   0.2748   0.7298
   6.250   0.6820   0.00934   0.00369  -0.0013   0.2279   0.7344
   6.500   0.7018   0.00991   0.00407  -0.0003   0.1810   0.7393
   6.750   0.7217   0.01047   0.00445   0.0007   0.1418   0.7445
   7.000   0.7414   0.01099   0.00483   0.0018   0.1089   0.7495
   7.250   0.7604   0.01151   0.00524   0.0029   0.0808   0.7550
   7.500   0.7794   0.01204   0.00566   0.0041   0.0581   0.7608
   7.750   0.7972   0.01254   0.00610   0.0055   0.0404   0.7669
   8.000   0.8153   0.01303   0.00655   0.0068   0.0289   0.7735
   8.250   0.8336   0.01347   0.00699   0.0082   0.0230   0.7801
   8.500   0.8498   0.01396   0.00750   0.0099   0.0191   0.7880
   8.750   0.8675   0.01430   0.00791   0.0113   0.0175   0.7960
   9.000   0.8795   0.01472   0.00837   0.0138   0.0155   0.8056
   9.250   0.8898   0.01523   0.00896   0.0165   0.0139   0.8168
   9.500   0.9028   0.01566   0.00948   0.0186   0.0128   0.8294
   9.750   0.9148   0.01614   0.01004   0.0207   0.0119   0.8449
  10.250   0.9288   0.01745   0.01165   0.0263   0.0104   0.9024
  10.500   0.9647   0.01819   0.01261   0.0230   0.0097   0.9676
  10.750   0.9864   0.01898   0.01343   0.0225   0.0090   1.0000
  11.000   0.9981   0.01982   0.01429   0.0239   0.0086   1.0000
  11.250   1.0058   0.02096   0.01547   0.0255   0.0082   1.0000
  11.500   1.0085   0.02249   0.01708   0.0273   0.0078   1.0000
  11.750   1.0171   0.02369   0.01834   0.0286   0.0076   1.0000
  12.000   1.0299   0.02463   0.01932   0.0294   0.0074   1.0000
  12.250   1.0383   0.02592   0.02068   0.0305   0.0073   1.0000
  12.500   1.0455   0.02733   0.02216   0.0315   0.0072   1.0000
  12.750   1.0549   0.02861   0.02349   0.0323   0.0069   1.0000
  13.000   1.0601   0.03025   0.02521   0.0333   0.0069   1.0000
  13.250   1.0680   0.03172   0.02674   0.0339   0.0067   1.0000
  13.500   1.0783   0.03302   0.02808   0.0344   0.0064   1.0000
  13.750   1.0845   0.03468   0.02979   0.0349   0.0062   1.0000
  14.000   1.0839   0.03701   0.03221   0.0357   0.0063   1.0000
  14.250   1.0863   0.03910   0.03435   0.0361   0.0058   1.0000
  14.500   1.0918   0.04100   0.03632   0.0363   0.0058   1.0000
  14.750   1.0933   0.04337   0.03877   0.0365   0.0058   1.0000
  15.000   1.0734   0.04793   0.04349   0.0369   0.0055   1.0000
  15.250   1.0773   0.05029   0.04595   0.0366   0.0055   1.0000
  15.500   1.0771   0.05315   0.04890   0.0363   0.0055   1.0000
  15.750   1.0802   0.05578   0.05162   0.0357   0.0053   1.0000
  16.000   1.0796   0.05889   0.05483   0.0350   0.0053   1.0000
  16.250   1.0777   0.06226   0.05830   0.0341   0.0053   1.0000
  16.500   1.0768   0.06562   0.06176   0.0331   0.0052   1.0000
  16.750   1.0716   0.06964   0.06589   0.0318   0.0052   1.0000
  17.000   1.0655   0.07392   0.07028   0.0303   0.0052   1.0000
  17.250   1.0613   0.07815   0.07462   0.0285   0.0051   1.0000
  17.500   1.0530   0.08303   0.07962   0.0264   0.0051   1.0000
  17.750   1.0423   0.08854   0.08526   0.0239   0.0050   1.0000
  18.000   1.0313   0.09421   0.09106   0.0213   0.0051   1.0000
  18.250   1.0220   0.09982   0.09678   0.0184   0.0051   1.0000
  18.500   1.0102   0.10605   0.10314   0.0151   0.0050   1.0000
  18.750   0.9930   0.11348   0.11071   0.0112   0.0051   1.0000
  19.000   0.9817   0.12004   0.11738   0.0075   0.0050   1.0000
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