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DFVLR R-4 AIRFOIL (dfvlrr4-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: DFVLR R-4 AIRFOIL (dfvlrr4-il)
Reynolds number: 500,000
Max Cl/Cd: 66.17 at α=7.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-dfvlrr4-il-500000-n5.txt
Download as CSV file: xf-dfvlrr4-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: DFVLR R-4 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
  ------ -------- --------- --------- -------- -------- --------
 -17.750  -0.8676   0.11632   0.11315  -0.0378   1.0000   0.0111
 -17.500  -0.9066   0.10361   0.10025  -0.0447   1.0000   0.0110
 -17.250  -0.9346   0.09372   0.09018  -0.0503   1.0000   0.0110
 -17.000  -0.9561   0.08558   0.08187  -0.0549   1.0000   0.0110
 -16.750  -0.9733   0.07860   0.07473  -0.0588   1.0000   0.0110
 -16.500  -0.9869   0.07252   0.06849  -0.0621   1.0000   0.0111
 -16.250  -0.9976   0.06722   0.06303  -0.0648   1.0000   0.0111
 -16.000  -1.0059   0.06246   0.05812  -0.0671   1.0000   0.0111
 -15.750  -1.0113   0.05834   0.05386  -0.0689   1.0000   0.0112
 -15.500  -1.0153   0.05462   0.05000  -0.0704   1.0000   0.0113
 -15.250  -1.0175   0.05129   0.04653  -0.0715   1.0000   0.0113
 -15.000  -1.0179   0.04837   0.04348  -0.0722   1.0000   0.0114
 -14.750  -1.0170   0.04578   0.04076  -0.0726   1.0000   0.0115
 -14.500  -1.0185   0.04309   0.03798  -0.0728   1.0000   0.0116
 -14.250  -1.0180   0.04075   0.03557  -0.0726   1.0000   0.0118
 -14.000  -1.0158   0.03871   0.03345  -0.0723   1.0000   0.0119
 -13.750  -1.0122   0.03695   0.03163  -0.0716   1.0000   0.0121
 -13.500  -1.0082   0.03538   0.02999  -0.0707   1.0000   0.0122
 -13.250  -1.0041   0.03400   0.02855  -0.0694   1.0000   0.0124
 -13.000  -1.0013   0.03265   0.02714  -0.0678   1.0000   0.0126
 -12.750  -0.9990   0.03151   0.02594  -0.0657   1.0000   0.0128
 -12.500  -0.9991   0.03050   0.02488  -0.0630   1.0000   0.0130
 -12.250  -0.9946   0.02941   0.02373  -0.0611   0.9993   0.0132
 -12.000  -0.9741   0.02811   0.02234  -0.0624   0.9967   0.0135
 -11.750  -0.9525   0.02695   0.02108  -0.0636   0.9941   0.0139
 -11.500  -0.9326   0.02584   0.01988  -0.0643   0.9906   0.0141
 -11.250  -0.9102   0.02478   0.01872  -0.0654   0.9875   0.0144
 -11.000  -0.8842   0.02369   0.01756  -0.0670   0.9854   0.0146
 -10.750  -0.8629   0.02240   0.01621  -0.0681   0.9815   0.0150
 -10.500  -0.8380   0.02135   0.01512  -0.0696   0.9781   0.0154
 -10.250  -0.8102   0.02044   0.01416  -0.0713   0.9758   0.0158
 -10.000  -0.7810   0.01960   0.01327  -0.0732   0.9739   0.0163
  -9.750  -0.7527   0.01884   0.01246  -0.0747   0.9715   0.0168
  -9.500  -0.7268   0.01815   0.01171  -0.0756   0.9672   0.0174
  -9.250  -0.6978   0.01749   0.01098  -0.0771   0.9641   0.0180
  -9.000  -0.6680   0.01673   0.01019  -0.0788   0.9617   0.0188
  -8.750  -0.6371   0.01609   0.00953  -0.0805   0.9597   0.0197
  -8.500  -0.6089   0.01556   0.00897  -0.0814   0.9565   0.0207
  -8.250  -0.5809   0.01508   0.00845  -0.0822   0.9528   0.0217
  -8.000  -0.5514   0.01458   0.00793  -0.0834   0.9498   0.0231
  -7.750  -0.5208   0.01412   0.00747  -0.0846   0.9473   0.0253
  -7.500  -0.4896   0.01369   0.00702  -0.0860   0.9452   0.0282
  -7.250  -0.4600   0.01330   0.00663  -0.0870   0.9423   0.0320
  -7.000  -0.4313   0.01292   0.00626  -0.0877   0.9383   0.0361
  -6.750  -0.4015   0.01259   0.00592  -0.0887   0.9349   0.0406
  -6.500  -0.3707   0.01223   0.00557  -0.0898   0.9320   0.0469
  -6.250  -0.3394   0.01188   0.00525  -0.0910   0.9295   0.0541
  -6.000  -0.3092   0.01157   0.00497  -0.0920   0.9264   0.0627
  -5.750  -0.2792   0.01128   0.00472  -0.0929   0.9229   0.0729
  -5.500  -0.2485   0.01100   0.00446  -0.0939   0.9198   0.0850
  -5.250  -0.2171   0.01066   0.00420  -0.0951   0.9171   0.1021
  -5.000  -0.1849   0.01027   0.00392  -0.0966   0.9147   0.1318
  -4.750  -0.1514   0.00970   0.00358  -0.0986   0.9125   0.1885
  -4.500  -0.1139   0.00867   0.00312  -0.1023   0.9100   0.3280
  -4.250  -0.0792   0.00819   0.00290  -0.1045   0.9071   0.3988
  -4.000  -0.0464   0.00793   0.00275  -0.1059   0.9042   0.4384
  -3.750  -0.0133   0.00770   0.00264  -0.1073   0.9016   0.4764
  -3.500   0.0200   0.00748   0.00256  -0.1088   0.8993   0.5222
  -3.000   0.0831   0.00729   0.00255  -0.1106   0.8943   0.5794
  -2.750   0.1135   0.00727   0.00257  -0.1112   0.8911   0.5939
  -2.500   0.1438   0.00727   0.00258  -0.1117   0.8879   0.6066
  -2.250   0.1744   0.00728   0.00258  -0.1123   0.8850   0.6193
  -2.000   0.2046   0.00729   0.00262  -0.1127   0.8822   0.6282
  -1.750   0.2347   0.00731   0.00262  -0.1132   0.8778   0.6361
  -1.500   0.2637   0.00731   0.00264  -0.1133   0.8711   0.6410
  -1.250   0.2933   0.00731   0.00260  -0.1135   0.8631   0.6464
  -1.000   0.3220   0.00729   0.00252  -0.1135   0.8492   0.6521
  -0.750   0.3493   0.00731   0.00250  -0.1131   0.8276   0.6572
  -0.500   0.3774   0.00735   0.00245  -0.1129   0.8050   0.6627
  -0.250   0.4061   0.00741   0.00242  -0.1129   0.7846   0.6673
   0.000   0.4338   0.00750   0.00245  -0.1128   0.7592   0.6703
   0.250   0.4612   0.00764   0.00248  -0.1125   0.7279   0.6740
   0.500   0.4846   0.00807   0.00253  -0.1114   0.6422   0.6784
   0.750   0.5034   0.00897   0.00280  -0.1098   0.5135   0.6825
   1.000   0.5252   0.00966   0.00310  -0.1087   0.4201   0.6853
   1.250   0.5486   0.01025   0.00336  -0.1080   0.3442   0.6881
   1.500   0.5728   0.01080   0.00360  -0.1075   0.2748   0.6911
   1.750   0.5983   0.01124   0.00381  -0.1073   0.2248   0.6944
   2.000   0.6244   0.01164   0.00400  -0.1071   0.1859   0.6977
   2.250   0.6503   0.01196   0.00422  -0.1068   0.1603   0.6998
   2.500   0.6766   0.01225   0.00443  -0.1066   0.1410   0.7022
   2.750   0.7031   0.01253   0.00465  -0.1064   0.1252   0.7047
   3.000   0.7297   0.01280   0.00485  -0.1062   0.1135   0.7077
   3.250   0.7566   0.01307   0.00506  -0.1061   0.1046   0.7110
   3.500   0.7835   0.01330   0.00528  -0.1060   0.0991   0.7139
   3.750   0.8097   0.01354   0.00553  -0.1057   0.0943   0.7160
   4.000   0.8357   0.01381   0.00579  -0.1054   0.0899   0.7181
   4.250   0.8622   0.01405   0.00604  -0.1052   0.0871   0.7201
   4.500   0.8886   0.01428   0.00629  -0.1050   0.0839   0.7221
   4.750   0.9147   0.01455   0.00655  -0.1048   0.0805   0.7244
   5.000   0.9406   0.01486   0.00684  -0.1045   0.0776   0.7271
   5.250   0.9663   0.01515   0.00714  -0.1041   0.0754   0.7292
   5.500   0.9919   0.01539   0.00744  -0.1037   0.0738   0.7309
   5.750   1.0173   0.01566   0.00775  -0.1033   0.0720   0.7324
   6.000   1.0424   0.01595   0.00807  -0.1029   0.0702   0.7341
   6.250   1.0672   0.01626   0.00840  -0.1024   0.0682   0.7360
   6.500   1.0916   0.01661   0.00875  -0.1019   0.0663   0.7381
   6.750   1.1158   0.01698   0.00914  -0.1013   0.0647   0.7400
   7.000   1.1404   0.01730   0.00951  -0.1008   0.0636   0.7420
   7.250   1.1648   0.01763   0.00988  -0.1003   0.0623   0.7440
   7.500   1.1884   0.01796   0.01025  -0.0996   0.0606   0.7455
   7.750   1.2116   0.01832   0.01063  -0.0989   0.0585   0.7470
   8.000   1.2336   0.01877   0.01108  -0.0979   0.0561   0.7486
   8.250   1.2567   0.01911   0.01148  -0.0972   0.0545   0.7504
   8.500   1.2795   0.01945   0.01190  -0.0964   0.0527   0.7523
   8.750   1.3019   0.01982   0.01232  -0.0955   0.0504   0.7541
   9.000   1.3234   0.02026   0.01275  -0.0946   0.0479   0.7559
   9.250   1.3452   0.02063   0.01317  -0.0937   0.0456   0.7575
   9.500   1.3667   0.02100   0.01358  -0.0927   0.0423   0.7591
   9.750   1.3867   0.02144   0.01402  -0.0915   0.0391   0.7605
  10.000   1.4038   0.02190   0.01451  -0.0897   0.0366   0.7619
  10.250   1.4204   0.02243   0.01506  -0.0879   0.0346   0.7634
  10.500   1.4379   0.02299   0.01568  -0.0863   0.0330   0.7650
  10.750   1.4555   0.02358   0.01634  -0.0848   0.0314   0.7665
  11.000   1.4727   0.02421   0.01704  -0.0833   0.0296   0.7681
  11.250   1.4890   0.02492   0.01779  -0.0817   0.0281   0.7696
  11.500   1.5053   0.02562   0.01856  -0.0801   0.0270   0.7712
  11.750   1.5209   0.02638   0.01938  -0.0785   0.0258   0.7728
  12.000   1.5356   0.02722   0.02027  -0.0768   0.0246   0.7743
  12.250   1.5492   0.02814   0.02124  -0.0750   0.0235   0.7758
  12.500   1.5639   0.02894   0.02215  -0.0734   0.0226   0.7772
  12.750   1.5776   0.02979   0.02312  -0.0717   0.0214   0.7786
  13.000   1.5901   0.03075   0.02417  -0.0699   0.0199   0.7802
  13.250   1.6015   0.03182   0.02532  -0.0681   0.0187   0.7819
  13.500   1.6123   0.03295   0.02654  -0.0663   0.0177   0.7836
  13.750   1.6219   0.03419   0.02785  -0.0644   0.0166   0.7852
  14.000   1.6302   0.03557   0.02931  -0.0626   0.0158   0.7869
  14.250   1.6383   0.03697   0.03082  -0.0608   0.0151   0.7885
  14.500   1.6451   0.03849   0.03245  -0.0590   0.0145   0.7902
  14.750   1.6506   0.04017   0.03422  -0.0572   0.0139   0.7919
  15.000   1.6544   0.04201   0.03618  -0.0555   0.0134   0.7935
  15.250   1.6563   0.04409   0.03838  -0.0538   0.0129   0.7950
  15.500   1.6573   0.04629   0.04071  -0.0522   0.0125   0.7965
  15.750   1.6584   0.04855   0.04312  -0.0508   0.0121   0.7981
  16.000   1.6576   0.05110   0.04580  -0.0496   0.0118   0.7997
  16.250   1.6548   0.05395   0.04881  -0.0487   0.0115   0.8013
  16.500   1.6501   0.05715   0.05214  -0.0480   0.0112   0.8030
  16.750   1.6431   0.06082   0.05597  -0.0476   0.0109   0.8047
  17.000   1.6341   0.06502   0.06031  -0.0479   0.0107   0.8064
  17.250   1.6222   0.06990   0.06536  -0.0487   0.0105   0.8078
  17.500   1.6063   0.07573   0.07137  -0.0504   0.0104   0.8090
  17.750   1.5868   0.08266   0.07850  -0.0532   0.0103   0.8101
  18.000   1.5610   0.09127   0.08733  -0.0574   0.0103   0.8110
  18.250   1.5258   0.10226   0.09857  -0.0634   0.0104   0.8116
  18.500   1.4727   0.11761   0.11424  -0.0723   0.0106   0.8116
  18.750   1.3842   0.14112   0.13811  -0.0861   0.0113   0.8104
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