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NACA 23021 (naca23021-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 23021 (naca23021-il)
Reynolds number: 100,000
Max Cl/Cd: 35.68 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca23021-il-100000-n5.txt
Download as CSV file: xf-naca23021-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 23021                                      
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.8719   0.11812   0.11073  -0.0405   1.0000   0.0692
 -19.000  -0.9300   0.10450   0.09665  -0.0485   1.0000   0.0699
 -18.750  -0.9181   0.10305   0.09526  -0.0487   1.0000   0.0707
 -18.500  -0.9196   0.09940   0.09156  -0.0502   1.0000   0.0716
 -18.250  -0.9259   0.09503   0.08709  -0.0521   1.0000   0.0725
 -18.000  -0.9338   0.09050   0.08241  -0.0540   1.0000   0.0735
 -17.750  -0.9422   0.08596   0.07771  -0.0558   1.0000   0.0746
 -17.500  -0.9507   0.08152   0.07306  -0.0574   1.0000   0.0757
 -17.250  -0.9531   0.07805   0.06946  -0.0584   1.0000   0.0768
 -17.000  -0.9462   0.07596   0.06740  -0.0587   1.0000   0.0780
 -16.750  -0.9425   0.07343   0.06483  -0.0591   1.0000   0.0792
 -16.500  -0.9406   0.07067   0.06199  -0.0597   1.0000   0.0805
 -16.250  -0.9389   0.06791   0.05911  -0.0601   1.0000   0.0820
 -16.000  -0.9379   0.06510   0.05612  -0.0604   1.0000   0.0836
 -15.750  -0.9302   0.06324   0.05431  -0.0603   1.0000   0.0850
 -15.500  -0.9244   0.06118   0.05224  -0.0603   1.0000   0.0866
 -15.250  -0.9196   0.05900   0.04999  -0.0603   1.0000   0.0885
 -15.000  -0.9148   0.05684   0.04772  -0.0601   1.0000   0.0906
 -14.750  -0.9083   0.05493   0.04579  -0.0598   1.0000   0.0925
 -14.500  -0.9019   0.05311   0.04397  -0.0594   1.0000   0.0945
 -14.250  -0.8964   0.05120   0.04203  -0.0590   1.0000   0.0969
 -14.000  -0.8903   0.04936   0.04008  -0.0585   1.0000   0.0998
 -13.750  -0.8847   0.04761   0.03838  -0.0578   1.0000   0.1021
 -13.500  -0.8796   0.04584   0.03660  -0.0571   1.0000   0.1050
 -13.250  -0.8738   0.04416   0.03485  -0.0563   1.0000   0.1085
 -13.000  -0.8698   0.04246   0.03317  -0.0552   1.0000   0.1116
 -12.750  -0.8664   0.04078   0.03150  -0.0540   1.0000   0.1152
 -12.500  -0.8615   0.03927   0.02991  -0.0527   1.0000   0.1196
 -12.250  -0.8610   0.03763   0.02834  -0.0510   1.0000   0.1233
 -12.000  -0.8590   0.03620   0.02690  -0.0491   1.0000   0.1280
 -11.750  -0.8585   0.03484   0.02555  -0.0467   1.0000   0.1327
 -11.500  -0.8603   0.03355   0.02430  -0.0439   1.0000   0.1376
 -11.250  -0.8615   0.03246   0.02321  -0.0408   1.0000   0.1432
 -11.000  -0.8668   0.03139   0.02219  -0.0370   1.0000   0.1486
 -10.500  -0.8801   0.02972   0.02058  -0.0280   1.0000   0.1604
 -10.250  -0.8888   0.02910   0.01996  -0.0228   1.0000   0.1671
 -10.000  -0.9030   0.02854   0.01946  -0.0165   1.0000   0.1728
  -9.750  -0.9175   0.02812   0.01906  -0.0099   1.0000   0.1794
  -9.500  -0.9070   0.02738   0.01839  -0.0080   0.9952   0.1924
  -9.250  -0.8813   0.02657   0.01764  -0.0088   0.9882   0.2112
  -9.000  -0.8551   0.02581   0.01699  -0.0096   0.9803   0.2308
  -8.750  -0.8287   0.02517   0.01642  -0.0102   0.9723   0.2512
  -8.500  -0.7994   0.02461   0.01589  -0.0111   0.9646   0.2714
  -8.250  -0.7717   0.02411   0.01542  -0.0116   0.9562   0.2895
  -8.000  -0.7414   0.02364   0.01497  -0.0125   0.9484   0.3076
  -7.750  -0.7122   0.02321   0.01457  -0.0131   0.9405   0.3261
  -7.500  -0.6838   0.02280   0.01420  -0.0134   0.9315   0.3436
  -7.250  -0.6513   0.02240   0.01380  -0.0144   0.9245   0.3603
  -7.000  -0.6265   0.02207   0.01347  -0.0138   0.9132   0.3738
  -6.750  -0.5908   0.02166   0.01310  -0.0152   0.9068   0.3865
  -6.500  -0.5684   0.02138   0.01276  -0.0140   0.8940   0.3980
  -6.250  -0.5342   0.02101   0.01244  -0.0150   0.8866   0.4096
  -6.000  -0.5116   0.02077   0.01217  -0.0138   0.8739   0.4206
  -5.750  -0.4801   0.02045   0.01185  -0.0142   0.8656   0.4342
  -5.500  -0.4577   0.02025   0.01170  -0.0129   0.8530   0.4474
  -5.250  -0.4285   0.01997   0.01141  -0.0128   0.8439   0.4631
  -5.000  -0.4056   0.01980   0.01125  -0.0116   0.8311   0.4766
  -4.750  -0.3755   0.01953   0.01100  -0.0115   0.8216   0.4891
  -4.500  -0.3523   0.01936   0.01078  -0.0104   0.8085   0.5015
  -4.250  -0.3212   0.01910   0.01054  -0.0105   0.7986   0.5121
  -4.000  -0.2982   0.01895   0.01034  -0.0093   0.7849   0.5242
  -3.750  -0.2674   0.01874   0.01014  -0.0094   0.7746   0.5348
  -3.500  -0.2443   0.01861   0.00995  -0.0082   0.7605   0.5474
  -3.250  -0.2151   0.01845   0.00984  -0.0080   0.7489   0.5580
  -3.000  -0.1901   0.01832   0.00964  -0.0071   0.7355   0.5705
  -2.750  -0.1626   0.01823   0.00958  -0.0066   0.7222   0.5813
  -2.500  -0.1360   0.01811   0.00938  -0.0059   0.7093   0.5939
  -2.250  -0.1101   0.01806   0.00936  -0.0052   0.6941   0.6048
  -2.000  -0.0840   0.01797   0.00920  -0.0044   0.6803   0.6171
  -1.750  -0.0572   0.01793   0.00917  -0.0038   0.6653   0.6284
  -1.500  -0.0324   0.01790   0.00911  -0.0029   0.6506   0.6408
  -1.250  -0.0049   0.01789   0.00906  -0.0024   0.6372   0.6525
  -1.000   0.0200   0.01789   0.00904  -0.0015   0.6224   0.6645
  -0.750   0.0464   0.01792   0.00906  -0.0009   0.6087   0.6764
  -0.500   0.0728   0.01794   0.00903  -0.0002   0.5952   0.6886
  -0.250   0.0980   0.01800   0.00910   0.0006   0.5808   0.7014
   0.000   0.1249   0.01807   0.00914   0.0011   0.5678   0.7131
   0.250   0.1497   0.01814   0.00918   0.0020   0.5540   0.7265
   0.500   0.1772   0.01827   0.00932   0.0025   0.5406   0.7379
   0.750   0.2015   0.01837   0.00933   0.0034   0.5285   0.7523
   1.000   0.2297   0.01856   0.00957   0.0037   0.5145   0.7639
   1.250   0.2552   0.01872   0.00967   0.0045   0.5025   0.7778
   1.500   0.2819   0.01892   0.00988   0.0051   0.4896   0.7910
   1.750   0.3092   0.01915   0.01009   0.0055   0.4774   0.8036
   2.000   0.3332   0.01935   0.01023   0.0065   0.4658   0.8178
   2.250   0.3633   0.01964   0.01053   0.0063   0.4535   0.8277
   2.500   0.3858   0.01984   0.01065   0.0075   0.4428   0.8417
   2.750   0.4179   0.02018   0.01100   0.0069   0.4304   0.8499
   3.000   0.4401   0.02040   0.01113   0.0081   0.4207   0.8636
   3.250   0.4733   0.02076   0.01152   0.0072   0.4082   0.8708
   3.500   0.4981   0.02105   0.01170   0.0079   0.3981   0.8826
   3.750   0.5288   0.02138   0.01206   0.0073   0.3853   0.8908
   4.000   0.5570   0.02171   0.01233   0.0072   0.3741   0.9005
   4.250   0.5845   0.02203   0.01261   0.0071   0.3620   0.9098
   4.500   0.6160   0.02239   0.01296   0.0063   0.3501   0.9178
   4.750   0.6414   0.02273   0.01321   0.0065   0.3396   0.9279
   5.000   0.6763   0.02312   0.01361   0.0048   0.3279   0.9343
   5.500   0.7390   0.02388   0.01431   0.0026   0.3077   0.9498
   5.750   0.7694   0.02430   0.01465   0.0016   0.2992   0.9580
   6.000   0.8023   0.02470   0.01510   0.0001   0.2902   0.9650
   6.250   0.8345   0.02515   0.01547  -0.0015   0.2821   0.9722
   6.500   0.8663   0.02558   0.01596  -0.0029   0.2729   0.9795
   6.750   0.8989   0.02606   0.01637  -0.0047   0.2647   0.9862
   7.000   0.9316   0.02653   0.01691  -0.0065   0.2564   0.9929
   7.250   0.9643   0.02703   0.01738  -0.0084   0.2487   0.9990
   7.500   0.9714   0.02738   0.01776  -0.0054   0.2432   1.0000
   7.750   0.9711   0.02769   0.01811  -0.0010   0.2380   1.0000
   8.000   0.9652   0.02800   0.01841   0.0043   0.2338   1.0000
   8.250   0.9583   0.02834   0.01871   0.0098   0.2301   1.0000
   8.500   0.9568   0.02873   0.01917   0.0142   0.2255   1.0000
   8.750   0.9551   0.02920   0.01967   0.0185   0.2205   1.0000
   9.000   0.9531   0.02977   0.02021   0.0226   0.2155   1.0000
   9.250   0.9543   0.03042   0.02090   0.0260   0.2093   1.0000
   9.500   0.9547   0.03118   0.02168   0.0293   0.2029   1.0000
   9.750   0.9565   0.03206   0.02256   0.0321   0.1967   1.0000
  10.000   0.9598   0.03303   0.02358   0.0344   0.1900   1.0000
  10.250   0.9622   0.03418   0.02473   0.0366   0.1837   1.0000
  10.500   0.9656   0.03544   0.02605   0.0383   0.1761   1.0000
  10.750   0.9675   0.03691   0.02754   0.0399   0.1687   1.0000
  11.000   0.9679   0.03864   0.02928   0.0413   0.1606   1.0000
  11.250   0.9683   0.04053   0.03122   0.0423   0.1518   1.0000
  11.500   0.9665   0.04275   0.03346   0.0432   0.1432   1.0000
  11.750   0.9624   0.04532   0.03605   0.0438   0.1348   1.0000
  12.000   0.9568   0.04821   0.03895   0.0441   0.1268   1.0000
  12.250   0.9506   0.05135   0.04213   0.0441   0.1195   1.0000
  12.500   0.9423   0.05487   0.04568   0.0438   0.1137   1.0000
  12.750   0.9329   0.05870   0.04955   0.0433   0.1087   1.0000
  13.000   0.9233   0.06272   0.05362   0.0425   0.1048   1.0000
  13.250   0.9139   0.06687   0.05782   0.0416   0.1013   1.0000
  13.500   0.9036   0.07125   0.06223   0.0405   0.0987   1.0000
  13.750   0.8970   0.07525   0.06631   0.0395   0.0963   1.0000
  14.000   0.8906   0.07929   0.07041   0.0384   0.0942   1.0000
  14.250   0.8847   0.08333   0.07449   0.0372   0.0925   1.0000
  14.500   0.8801   0.08720   0.07838   0.0360   0.0911   1.0000
  14.750   0.8784   0.09070   0.08191   0.0350   0.0897   1.0000
  15.000   0.8780   0.09406   0.08533   0.0340   0.0885   1.0000
  15.250   0.8786   0.09731   0.08863   0.0330   0.0873   1.0000
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