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DFVLR R-4 AIRFOIL (dfvlrr4-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: DFVLR R-4 AIRFOIL (dfvlrr4-il)
Reynolds number: 500,000
Max Cl/Cd: 72.88 at α=1.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-dfvlrr4-il-500000.txt
Download as CSV file: xf-dfvlrr4-il-500000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.7944   0.08611   0.08301  -0.0594   1.0000   0.0181
 -15.000  -0.8262   0.07654   0.07327  -0.0651   1.0000   0.0179
 -14.750  -0.8521   0.06887   0.06540  -0.0696   1.0000   0.0179
 -14.500  -0.8736   0.06271   0.05905  -0.0727   1.0000   0.0179
 -14.250  -0.8912   0.05772   0.05388  -0.0747   1.0000   0.0179
 -14.000  -0.9074   0.05331   0.04928  -0.0758   1.0000   0.0179
 -13.750  -0.9193   0.04994   0.04573  -0.0761   1.0000   0.0180
 -13.500  -0.9301   0.04706   0.04268  -0.0756   1.0000   0.0181
 -13.250  -0.9432   0.04414   0.03959  -0.0743   1.0000   0.0182
 -13.000  -0.9552   0.04138   0.03666  -0.0723   1.0000   0.0182
 -12.750  -0.9688   0.03868   0.03378  -0.0694   1.0000   0.0183
 -12.500  -0.9799   0.03666   0.03165  -0.0658   1.0000   0.0186
 -12.250  -0.9926   0.03539   0.03031  -0.0611   1.0000   0.0187
 -12.000  -1.0124   0.03450   0.02935  -0.0550   1.0000   0.0187
 -11.750  -1.0208   0.03358   0.02840  -0.0509   1.0000   0.0189
 -11.500  -1.0003   0.03212   0.02687  -0.0523   0.9984   0.0193
 -11.250  -0.9738   0.03065   0.02528  -0.0547   0.9963   0.0198
 -11.000  -0.9461   0.02922   0.02374  -0.0569   0.9947   0.0203
 -10.750  -0.9210   0.02777   0.02215  -0.0582   0.9925   0.0208
 -10.500  -0.8945   0.02642   0.02065  -0.0594   0.9902   0.0212
 -10.250  -0.8666   0.02516   0.01926  -0.0608   0.9884   0.0216
 -10.000  -0.8372   0.02408   0.01806  -0.0622   0.9869   0.0220
  -9.750  -0.8068   0.02310   0.01696  -0.0639   0.9857   0.0224
  -9.500  -0.7801   0.02150   0.01532  -0.0649   0.9848   0.0232
  -9.250  -0.7563   0.02063   0.01444  -0.0653   0.9809   0.0238
  -9.000  -0.7267   0.01987   0.01365  -0.0667   0.9786   0.0246
  -8.750  -0.6952   0.01917   0.01291  -0.0685   0.9768   0.0257
  -8.500  -0.6624   0.01853   0.01220  -0.0704   0.9754   0.0268
  -8.250  -0.6297   0.01754   0.01117  -0.0726   0.9743   0.0282
  -8.000  -0.5952   0.01676   0.01040  -0.0751   0.9734   0.0298
  -7.750  -0.5595   0.01617   0.00977  -0.0776   0.9727   0.0319
  -7.500  -0.5354   0.01566   0.00921  -0.0775   0.9676   0.0337
  -7.250  -0.5021   0.01491   0.00849  -0.0797   0.9657   0.0377
  -7.000  -0.4671   0.01427   0.00786  -0.0820   0.9643   0.0436
  -6.750  -0.4312   0.01370   0.00732  -0.0845   0.9633   0.0522
  -6.500  -0.3947   0.01320   0.00687  -0.0870   0.9624   0.0623
  -6.250  -0.3583   0.01276   0.00648  -0.0894   0.9615   0.0744
  -6.000  -0.3218   0.01231   0.00608  -0.0919   0.9607   0.0896
  -5.750  -0.2851   0.01180   0.00568  -0.0945   0.9599   0.1123
  -5.500  -0.2473   0.01111   0.00523  -0.0975   0.9591   0.1634
  -5.250  -0.2022   0.00941   0.00445  -0.1038   0.9589   0.3676
  -5.000  -0.1699   0.00892   0.00424  -0.1055   0.9553   0.4475
  -4.750  -0.1351   0.00861   0.00409  -0.1075   0.9529   0.4980
  -4.500  -0.1008   0.00841   0.00400  -0.1091   0.9509   0.5354
  -4.250  -0.0671   0.00830   0.00392  -0.1104   0.9491   0.5587
  -4.000  -0.0334   0.00821   0.00387  -0.1117   0.9474   0.5785
  -3.750   0.0002   0.00817   0.00385  -0.1130   0.9458   0.5982
  -3.500   0.0337   0.00818   0.00387  -0.1141   0.9443   0.6192
  -3.250   0.0610   0.00829   0.00400  -0.1140   0.9402   0.6344
  -3.000   0.0897   0.00838   0.00412  -0.1140   0.9367   0.6451
  -2.750   0.1204   0.00843   0.00416  -0.1146   0.9341   0.6537
  -2.500   0.1512   0.00850   0.00424  -0.1151   0.9319   0.6612
  -2.250   0.1827   0.00857   0.00429  -0.1158   0.9300   0.6689
  -2.000   0.2110   0.00869   0.00444  -0.1157   0.9266   0.6743
  -1.750   0.2397   0.00873   0.00445  -0.1158   0.9214   0.6807
  -1.500   0.2695   0.00866   0.00438  -0.1159   0.9167   0.6845
  -1.250   0.2977   0.00863   0.00435  -0.1155   0.9105   0.6879
  -1.000   0.3253   0.00850   0.00418  -0.1149   0.9002   0.6923
  -0.750   0.3533   0.00838   0.00399  -0.1144   0.8866   0.6978
  -0.500   0.3795   0.00835   0.00397  -0.1136   0.8753   0.7007
  -0.250   0.4072   0.00835   0.00395  -0.1131   0.8656   0.7040
   0.000   0.4353   0.00836   0.00396  -0.1130   0.8555   0.7077
   0.250   0.4657   0.00835   0.00391  -0.1134   0.8474   0.7120
   0.500   0.4933   0.00836   0.00393  -0.1131   0.8364   0.7148
   0.750   0.5202   0.00841   0.00400  -0.1127   0.8242   0.7173
   1.000   0.5478   0.00846   0.00405  -0.1123   0.8106   0.7203
   1.250   0.5758   0.00850   0.00407  -0.1122   0.7935   0.7235
   1.500   0.6045   0.00856   0.00403  -0.1122   0.7701   0.7272
   1.750   0.6311   0.00866   0.00404  -0.1117   0.7331   0.7297
   2.000   0.6496   0.00922   0.00413  -0.1095   0.6216   0.7317
   2.250   0.6629   0.01038   0.00458  -0.1066   0.4738   0.7341
   2.500   0.6805   0.01136   0.00500  -0.1049   0.3555   0.7367
   2.750   0.7007   0.01223   0.00538  -0.1037   0.2543   0.7398
   3.000   0.7241   0.01291   0.00570  -0.1032   0.1874   0.7431
   3.250   0.7483   0.01338   0.00597  -0.1027   0.1519   0.7454
   3.500   0.7721   0.01378   0.00629  -0.1019   0.1327   0.7475
   3.750   0.7968   0.01410   0.00659  -0.1012   0.1222   0.7499
   4.000   0.8217   0.01444   0.00691  -0.1007   0.1145   0.7528
   4.250   0.8475   0.01476   0.00720  -0.1004   0.1084   0.7557
   4.500   0.8730   0.01518   0.00757  -0.1001   0.1021   0.7585
   4.750   0.9000   0.01541   0.00782  -0.1001   0.0988   0.7607
   5.000   0.9247   0.01568   0.00812  -0.0995   0.0953   0.7624
   5.250   0.9483   0.01606   0.00851  -0.0987   0.0921   0.7642
   5.500   0.9700   0.01666   0.00912  -0.0976   0.0886   0.7663
   5.750   0.9950   0.01693   0.00945  -0.0971   0.0873   0.7687
   6.000   1.0201   0.01725   0.00981  -0.0967   0.0856   0.7713
   6.250   1.0454   0.01758   0.01017  -0.0963   0.0836   0.7737
   6.500   1.0709   0.01795   0.01054  -0.0961   0.0816   0.7759
   6.750   1.0942   0.01832   0.01094  -0.0954   0.0797   0.7775
   7.000   1.1151   0.01895   0.01159  -0.0942   0.0774   0.7792
   7.250   1.1365   0.01957   0.01226  -0.0931   0.0756   0.7810
   7.500   1.1609   0.01979   0.01257  -0.0926   0.0742   0.7830
   7.750   1.1851   0.02003   0.01287  -0.0920   0.0719   0.7850
   8.000   1.2093   0.02026   0.01312  -0.0915   0.0693   0.7873
   8.250   1.2319   0.02068   0.01351  -0.0908   0.0667   0.7896
   8.500   1.2533   0.02132   0.01419  -0.0900   0.0643   0.7917
   8.750   1.2763   0.02154   0.01450  -0.0892   0.0622   0.7934
   9.000   1.2981   0.02177   0.01477  -0.0883   0.0598   0.7951
   9.250   1.3179   0.02217   0.01516  -0.0870   0.0573   0.7969
   9.500   1.3352   0.02278   0.01581  -0.0854   0.0549   0.7989
   9.750   1.3545   0.02299   0.01611  -0.0840   0.0527   0.8010
  10.000   1.3737   0.02330   0.01646  -0.0826   0.0505   0.8032
  10.250   1.3920   0.02384   0.01700  -0.0813   0.0485   0.8052
  10.500   1.4097   0.02452   0.01772  -0.0799   0.0467   0.8069
  10.750   1.4299   0.02491   0.01821  -0.0789   0.0450   0.8085
  11.000   1.4490   0.02533   0.01871  -0.0777   0.0431   0.8100
  11.250   1.4671   0.02583   0.01924  -0.0764   0.0414   0.8118
  11.500   1.4826   0.02656   0.02001  -0.0747   0.0397   0.8137
  11.750   1.5001   0.02716   0.02072  -0.0734   0.0381   0.8157
  12.000   1.5171   0.02779   0.02140  -0.0721   0.0364   0.8176
  12.250   1.5316   0.02865   0.02225  -0.0706   0.0346   0.8195
  12.500   1.5448   0.02963   0.02332  -0.0689   0.0330   0.8213
  12.750   1.5598   0.03046   0.02427  -0.0675   0.0314   0.8229
  13.000   1.5723   0.03142   0.02530  -0.0658   0.0299   0.8244
  13.250   1.5798   0.03280   0.02673  -0.0636   0.0283   0.8260
  13.500   1.5913   0.03389   0.02795  -0.0620   0.0271   0.8277
  13.750   1.6013   0.03510   0.02927  -0.0603   0.0258   0.8296
  14.000   1.6080   0.03662   0.03086  -0.0584   0.0246   0.8316
  14.250   1.6074   0.03879   0.03309  -0.0560   0.0234   0.8337
  14.500   1.6172   0.04016   0.03462  -0.0547   0.0224   0.8357
  14.750   1.6238   0.04183   0.03642  -0.0532   0.0214   0.8374
  15.000   1.6280   0.04370   0.03840  -0.0517   0.0205   0.8391
  15.250   1.6285   0.04595   0.04075  -0.0501   0.0197   0.8407
  15.500   1.6233   0.04884   0.04376  -0.0486   0.0191   0.8424
  15.750   1.6240   0.05129   0.04637  -0.0475   0.0185   0.8444
  16.000   1.6218   0.05414   0.04937  -0.0466   0.0180   0.8465
  16.250   1.6179   0.05731   0.05267  -0.0460   0.0175   0.8486
  16.500   1.6119   0.06097   0.05647  -0.0459   0.0171   0.8505
  17.000   1.5898   0.07041   0.06620  -0.0474   0.0165   0.8537
  17.250   1.5732   0.07649   0.07244  -0.0493   0.0163   0.8552
  17.500   1.5518   0.08387   0.08000  -0.0525   0.0161   0.8566
  17.750   1.5284   0.09213   0.08847  -0.0565   0.0161   0.8578
  18.000   1.5003   0.10170   0.09825  -0.0617   0.0161   0.8589
  18.250   1.4687   0.11229   0.10904  -0.0676   0.0161   0.8598
  18.500   1.4341   0.12372   0.12068  -0.0741   0.0163   0.8605
  18.750   1.3979   0.13559   0.13276  -0.0810   0.0164   0.8610
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