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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 500,000
Max Cl/Cd: 93.2 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644421-il-500000-n5.txt
Download as CSV file: xf-naca644421-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 64(4)-421                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9590   0.09120   0.08641  -0.0639   1.0000   0.0248
 -19.500  -0.9599   0.08776   0.08288  -0.0654   1.0000   0.0251
 -19.250  -0.9590   0.08461   0.07964  -0.0667   1.0000   0.0253
 -19.000  -0.9584   0.08151   0.07648  -0.0679   1.0000   0.0255
 -18.750  -0.9583   0.07841   0.07333  -0.0690   1.0000   0.0258
 -18.500  -0.9572   0.07548   0.07036  -0.0700   1.0000   0.0260
 -18.250  -0.9556   0.07261   0.06745  -0.0710   1.0000   0.0263
 -18.000  -0.9523   0.07002   0.06480  -0.0719   1.0000   0.0265
 -17.750  -0.9492   0.06741   0.06214  -0.0727   1.0000   0.0268
 -17.500  -0.9451   0.06501   0.05969  -0.0733   1.0000   0.0271
 -17.250  -0.9410   0.06262   0.05725  -0.0740   1.0000   0.0274
 -17.000  -0.9353   0.06045   0.05503  -0.0745   1.0000   0.0277
 -16.750  -0.9295   0.05831   0.05284  -0.0749   1.0000   0.0281
 -16.500  -0.9230   0.05630   0.05076  -0.0753   1.0000   0.0285
 -16.250  -0.9162   0.05436   0.04877  -0.0756   1.0000   0.0289
 -16.000  -0.9091   0.05247   0.04682  -0.0758   1.0000   0.0291
 -15.750  -0.9039   0.05045   0.04479  -0.0760   1.0000   0.0296
 -15.500  -0.8983   0.04850   0.04281  -0.0762   1.0000   0.0299
 -15.000  -0.8599   0.04435   0.03859  -0.0815   0.9560   0.0310
 -14.750  -0.8208   0.04207   0.03620  -0.0885   0.9371   0.0317
 -14.500  -0.7842   0.04016   0.03415  -0.0942   0.9135   0.0325
 -14.250  -0.7646   0.03867   0.03250  -0.0961   0.8879   0.0331
 -14.000  -0.7547   0.03724   0.03095  -0.0962   0.8669   0.0337
 -13.750  -0.7465   0.03588   0.02951  -0.0958   0.8506   0.0344
 -13.500  -0.7374   0.03463   0.02817  -0.0953   0.8370   0.0351
 -13.000  -0.7180   0.03231   0.02568  -0.0941   0.8125   0.0365
 -12.750  -0.7076   0.03126   0.02452  -0.0934   0.8023   0.0372
 -12.500  -0.6973   0.03018   0.02338  -0.0928   0.7928   0.0379
 -12.250  -0.6888   0.02903   0.02217  -0.0920   0.7837   0.0388
 -12.000  -0.6787   0.02797   0.02107  -0.0912   0.7754   0.0398
 -11.750  -0.6683   0.02696   0.02000  -0.0905   0.7674   0.0407
 -11.500  -0.6571   0.02603   0.01900  -0.0896   0.7603   0.0418
 -11.250  -0.6455   0.02509   0.01801  -0.0888   0.7528   0.0429
 -11.000  -0.6355   0.02412   0.01701  -0.0879   0.7454   0.0446
 -10.750  -0.6240   0.02324   0.01608  -0.0869   0.7382   0.0461
 -10.500  -0.6119   0.02240   0.01519  -0.0860   0.7309   0.0477
 -10.250  -0.6012   0.02153   0.01428  -0.0849   0.7237   0.0497
 -10.000  -0.5894   0.02071   0.01343  -0.0839   0.7174   0.0519
  -9.750  -0.5771   0.01995   0.01262  -0.0828   0.7106   0.0544
  -9.500  -0.5660   0.01916   0.01181  -0.0815   0.7043   0.0574
  -9.250  -0.5538   0.01844   0.01105  -0.0803   0.6986   0.0611
  -9.000  -0.5424   0.01769   0.01030  -0.0790   0.6924   0.0651
  -8.750  -0.5309   0.01701   0.00960  -0.0775   0.6863   0.0696
  -8.500  -0.5201   0.01635   0.00891  -0.0759   0.6808   0.0750
  -8.250  -0.5109   0.01570   0.00827  -0.0739   0.6751   0.0805
  -8.000  -0.5044   0.01521   0.00776  -0.0713   0.6692   0.0863
  -7.750  -0.4911   0.01477   0.00729  -0.0697   0.6637   0.0944
  -7.500  -0.4749   0.01432   0.00687  -0.0684   0.6588   0.1050
  -7.250  -0.4569   0.01389   0.00647  -0.0674   0.6534   0.1177
  -7.000  -0.4383   0.01344   0.00607  -0.0665   0.6480   0.1340
  -6.750  -0.4189   0.01300   0.00568  -0.0657   0.6431   0.1549
  -6.500  -0.3985   0.01248   0.00528  -0.0651   0.6383   0.1822
  -6.250  -0.3779   0.01194   0.00487  -0.0646   0.6329   0.2167
  -6.000  -0.3569   0.01136   0.00443  -0.0642   0.6277   0.2601
  -5.750  -0.3359   0.01068   0.00397  -0.0638   0.6231   0.3166
  -5.500  -0.3128   0.01006   0.00361  -0.0637   0.6185   0.3759
  -5.250  -0.2864   0.00980   0.00350  -0.0639   0.6138   0.4230
  -5.000  -0.2582   0.00973   0.00344  -0.0641   0.6092   0.4462
  -4.500  -0.2005   0.00969   0.00333  -0.0647   0.6012   0.4692
  -4.250  -0.1714   0.00966   0.00327  -0.0651   0.5971   0.4757
  -4.000  -0.1425   0.00964   0.00323  -0.0654   0.5929   0.4828
  -3.750  -0.1135   0.00967   0.00320  -0.0657   0.5890   0.4922
  -3.500  -0.0847   0.00970   0.00323  -0.0659   0.5855   0.5032
  -3.250  -0.0551   0.00974   0.00321  -0.0664   0.5821   0.5097
  -3.000  -0.0259   0.00969   0.00317  -0.0667   0.5785   0.5127
  -2.750   0.0032   0.00968   0.00313  -0.0671   0.5749   0.5150
  -2.500   0.0322   0.00968   0.00310  -0.0674   0.5715   0.5172
  -2.250   0.0612   0.00970   0.00307  -0.0677   0.5684   0.5196
  -2.000   0.0906   0.00970   0.00305  -0.0681   0.5656   0.5224
  -1.750   0.1201   0.00971   0.00303  -0.0685   0.5627   0.5251
  -1.500   0.1496   0.00972   0.00301  -0.0689   0.5597   0.5273
  -1.250   0.1788   0.00973   0.00299  -0.0693   0.5566   0.5290
  -1.000   0.2077   0.00973   0.00297  -0.0696   0.5535   0.5309
  -0.750   0.2366   0.00975   0.00298  -0.0699   0.5506   0.5327
  -0.500   0.2656   0.00978   0.00299  -0.0703   0.5482   0.5347
  -0.250   0.2950   0.00978   0.00301  -0.0707   0.5460   0.5368
   0.000   0.3243   0.00980   0.00303  -0.0711   0.5437   0.5392
   0.250   0.3535   0.00983   0.00306  -0.0714   0.5413   0.5417
   0.500   0.3827   0.00986   0.00309  -0.0718   0.5390   0.5440
   0.750   0.4118   0.00991   0.00312  -0.0722   0.5368   0.5460
   1.250   0.4695   0.01000   0.00320  -0.0728   0.5327   0.5504
   1.500   0.4983   0.01006   0.00327  -0.0731   0.5307   0.5529
   1.750   0.5274   0.01010   0.00334  -0.0735   0.5290   0.5555
   2.000   0.5564   0.01013   0.00341  -0.0739   0.5271   0.5583
   2.250   0.5854   0.01018   0.00349  -0.0742   0.5250   0.5612
   2.500   0.6143   0.01024   0.00357  -0.0746   0.5231   0.5641
   2.750   0.6431   0.01031   0.00365  -0.0749   0.5212   0.5669
   3.000   0.6716   0.01036   0.00374  -0.0752   0.5188   0.5698
   3.250   0.6999   0.01043   0.00383  -0.0754   0.5161   0.5731
   3.500   0.7280   0.01052   0.00392  -0.0756   0.5133   0.5765
   3.750   0.7564   0.01061   0.00404  -0.0759   0.5113   0.5803
   4.000   0.7849   0.01067   0.00416  -0.0762   0.5094   0.5843
   4.250   0.8133   0.01075   0.00429  -0.0765   0.5073   0.5879
   4.500   0.8413   0.01081   0.00442  -0.0767   0.5051   0.5919
   4.750   0.8693   0.01089   0.00455  -0.0769   0.5027   0.5961
   5.000   0.8966   0.01098   0.00467  -0.0769   0.4992   0.6004
   5.250   0.9230   0.01111   0.00478  -0.0768   0.4941   0.6047
   5.500   0.9495   0.01115   0.00491  -0.0768   0.4888   0.6087
   5.750   0.9753   0.01122   0.00504  -0.0766   0.4826   0.6132
   6.000   0.9995   0.01135   0.00516  -0.0761   0.4751   0.6180
   6.250   1.0249   0.01143   0.00531  -0.0758   0.4678   0.6230
   6.500   1.0495   0.01157   0.00547  -0.0754   0.4619   0.6276
   6.750   1.0739   0.01170   0.00565  -0.0750   0.4563   0.6325
   7.000   1.0976   0.01182   0.00585  -0.0745   0.4478   0.6379
   7.250   1.1184   0.01200   0.00604  -0.0734   0.4353   0.6434
   7.750   1.1372   0.01271   0.00661  -0.0674   0.3819   0.6537
   8.000   1.1339   0.01353   0.00729  -0.0626   0.3514   0.6595
   8.250   1.1316   0.01451   0.00815  -0.0583   0.3243   0.6653
   8.500   1.1311   0.01555   0.00910  -0.0547   0.2984   0.6707
   8.750   1.1276   0.01683   0.01029  -0.0509   0.2721   0.6771
   9.000   1.1245   0.01824   0.01162  -0.0476   0.2467   0.6837
   9.250   1.1228   0.01972   0.01302  -0.0447   0.2258   0.6900
   9.500   1.1218   0.02126   0.01452  -0.0421   0.2060   0.6965
   9.750   1.1216   0.02287   0.01608  -0.0398   0.1878   0.7037
  10.250   1.1239   0.02618   0.01934  -0.0360   0.1573   0.7168
  10.500   1.1243   0.02799   0.02113  -0.0343   0.1424   0.7238
  11.000   1.1282   0.03162   0.02473  -0.0315   0.1185   0.7374
  11.250   1.1316   0.03342   0.02653  -0.0303   0.1090   0.7450
  11.500   1.1354   0.03529   0.02839  -0.0293   0.0998   0.7520
  11.750   1.1400   0.03710   0.03023  -0.0284   0.0915   0.7597
  12.000   1.1444   0.03901   0.03214  -0.0276   0.0834   0.7678
  12.250   1.1486   0.04098   0.03413  -0.0269   0.0762   0.7755
  12.750   1.1596   0.04481   0.03801  -0.0258   0.0642   0.7932
  13.000   1.1658   0.04670   0.03994  -0.0253   0.0586   0.8038
  13.250   1.1719   0.04866   0.04194  -0.0249   0.0547   0.8139
  13.500   1.1782   0.05060   0.04393  -0.0245   0.0505   0.8258
  13.750   1.1844   0.05256   0.04595  -0.0242   0.0468   0.8387
  14.000   1.1903   0.05453   0.04798  -0.0238   0.0441   0.8537
  14.250   1.1959   0.05641   0.04996  -0.0232   0.0413   0.8747
  14.500   1.2000   0.05838   0.05205  -0.0226   0.0389   0.9144
  15.000   1.2162   0.06273   0.05650  -0.0235   0.0347   1.0000
  15.250   1.2242   0.06486   0.05867  -0.0238   0.0331   1.0000
  15.500   1.2314   0.06709   0.06093  -0.0241   0.0317   1.0000
  16.000   1.2445   0.07183   0.06574  -0.0248   0.0293   1.0000
  16.250   1.2510   0.07425   0.06820  -0.0252   0.0282   1.0000
  16.500   1.2563   0.07685   0.07084  -0.0257   0.0272   1.0000
  16.750   1.2619   0.07941   0.07343  -0.0263   0.0264   1.0000
  17.000   1.2677   0.08199   0.07608  -0.0269   0.0256   1.0000
  17.250   1.2734   0.08463   0.07877  -0.0275   0.0248   1.0000
  17.500   1.2783   0.08736   0.08155  -0.0282   0.0240   1.0000
  17.750   1.2815   0.09039   0.08463  -0.0291   0.0234   1.0000
  18.000   1.2857   0.09329   0.08758  -0.0299   0.0228   1.0000
  18.250   1.2901   0.09619   0.09055  -0.0308   0.0223   1.0000
  18.500   1.2938   0.09922   0.09365  -0.0318   0.0217   1.0000
  18.750   1.2976   0.10225   0.09674  -0.0329   0.0211   1.0000
  19.000   1.2993   0.10563   0.10017  -0.0341   0.0206   1.0000
  19.250   1.3009   0.10903   0.10363  -0.0354   0.0201   1.0000
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