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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 100,000
Max Cl/Cd: 21.9 at α=12.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644421-il-100000.txt
Download as CSV file: xf-naca644421-il-100000.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 =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.5980   0.09506   0.08930  -0.0768   1.0000   0.0941
 -15.000  -0.6382   0.08590   0.08003  -0.0810   1.0000   0.0930
 -14.750  -0.6825   0.07776   0.07172  -0.0844   1.0000   0.0917
 -14.500  -0.7246   0.07109   0.06484  -0.0865   1.0000   0.0909
 -14.250  -0.7597   0.06583   0.05936  -0.0873   1.0000   0.0903
 -14.000  -0.7878   0.06168   0.05502  -0.0870   1.0000   0.0900
 -13.750  -0.8110   0.05834   0.05151  -0.0858   1.0000   0.0901
 -13.500  -0.8317   0.05582   0.04885  -0.0836   1.0000   0.0901
 -13.250  -0.8574   0.05439   0.04735  -0.0794   1.0000   0.0902
 -13.000  -0.8950   0.05423   0.04717  -0.0725   1.0000   0.0899
 -12.750  -0.9301   0.05388   0.04679  -0.0661   1.0000   0.0897
 -12.500  -0.9485   0.05269   0.04545  -0.0626   0.9980   0.0901
 -12.250  -0.9334   0.04996   0.04238  -0.0653   0.9892   0.0919
 -12.000  -0.9188   0.04753   0.03951  -0.0676   0.9803   0.0938
 -11.750  -0.8837   0.04489   0.03674  -0.0704   0.9738   0.0964
 -11.500  -0.8349   0.04275   0.03457  -0.0747   0.9698   0.1000
 -11.250  -0.8010   0.04095   0.03255  -0.0774   0.9628   0.1039
 -11.000  -0.7474   0.03901   0.03065  -0.0813   0.9592   0.1095
 -10.750  -0.7003   0.03742   0.02895  -0.0852   0.9551   0.1160
 -10.500  -0.6424   0.03593   0.02763  -0.0895   0.9532   0.1252
 -10.250  -0.6019   0.03480   0.02655  -0.0916   0.9463   0.1350
 -10.000  -0.5593   0.03364   0.02552  -0.0943   0.9411   0.1489
  -9.750  -0.5174   0.03232   0.02443  -0.0975   0.9369   0.1693
  -9.500  -0.4999   0.03128   0.02355  -0.0972   0.9257   0.1911
  -9.250  -0.4829   0.02962   0.02225  -0.0980   0.9178   0.2258
  -9.000  -0.4897   0.02810   0.02110  -0.0955   0.9044   0.2621
  -8.750  -0.5081   0.02691   0.02030  -0.0909   0.8901   0.3012
  -8.500  -0.5217   0.02643   0.02034  -0.0856   0.8784   0.3611
  -8.250  -0.5188   0.02711   0.02126  -0.0815   0.8675   0.4211
  -8.000  -0.5275   0.02726   0.02128  -0.0768   0.8564   0.4523
  -7.750  -0.4952   0.02894   0.02290  -0.0756   0.8493   0.4787
  -7.500  -0.4393   0.03144   0.02530  -0.0763   0.8454   0.4981
  -7.250  -0.4271   0.03255   0.02632  -0.0732   0.8359   0.5124
  -7.000  -0.3003   0.03867   0.03230  -0.0777   0.8354   0.5151
  -6.750  -0.2094   0.04226   0.03569  -0.0805   0.8316   0.5205
  -6.500  -0.1814   0.04288   0.03617  -0.0793   0.8256   0.5328
  -6.250  -0.2168   0.04197   0.03528  -0.0730   0.8147   0.5488
  -6.000  -0.1039   0.04528   0.03838  -0.0785   0.8124   0.5532
  -5.750  -0.1169   0.04448   0.03752  -0.0744   0.8053   0.5686
  -5.500  -0.0356   0.04595   0.03880  -0.0779   0.8028   0.5742
  -5.250  -0.0672   0.04542   0.03833  -0.0723   0.7922   0.5885
  -5.000   0.0056   0.04627   0.03904  -0.0758   0.7885   0.5945
  -4.750  -0.0165   0.04532   0.03803  -0.0708   0.7829   0.6084
  -4.500   0.0459   0.04605   0.03868  -0.0738   0.7773   0.6141
  -4.250   0.0466   0.04587   0.03849  -0.0711   0.7702   0.6237
  -4.000   0.0680   0.04545   0.03799  -0.0703   0.7658   0.6318
  -3.750   0.1057   0.04523   0.03766  -0.0713   0.7627   0.6393
  -3.500   0.0112   0.04556   0.03816  -0.0578   0.7515   0.6485
  -3.250   0.1026   0.04541   0.03789  -0.0653   0.7496   0.6533
  -3.000   0.1294   0.04514   0.03755  -0.0654   0.7461   0.6596
  -2.750   0.0869   0.04464   0.03703  -0.0572   0.7420   0.6666
  -2.500   0.0179   0.04612   0.03868  -0.0457   0.7302   0.6710
  -2.250   0.0661   0.04606   0.03855  -0.0480   0.7275   0.6750
  -2.000   0.0828   0.04576   0.03821  -0.0470   0.7247   0.6800
  -1.750  -0.1586   0.04816   0.04087  -0.0162   0.7106   0.6862
  -1.500  -0.1565   0.04767   0.04032  -0.0148   0.7073   0.6912
  -1.250  -0.1350   0.04793   0.04054  -0.0139   0.7052   0.6943
  -1.000  -0.1098   0.04794   0.04050  -0.0142   0.7035   0.6977
  -0.750  -0.0767   0.04768   0.04017  -0.0158   0.7021   0.7021
  -0.500  -0.1319   0.04870   0.04119  -0.0102   0.6982   0.7075
  -0.250  -0.1318   0.04918   0.04162  -0.0095   0.6972   0.7114
   0.000  -0.1316   0.04994   0.04240  -0.0070   0.6954   0.7142
   0.250  -0.1253   0.05063   0.04308  -0.0059   0.6946   0.7173
   0.500  -0.1161   0.05131   0.04374  -0.0055   0.6944   0.7211
   0.750  -0.1030   0.05185   0.04425  -0.0061   0.6933   0.7251
   1.000  -0.0869   0.05254   0.04487  -0.0078   0.6943   0.7289
   1.250  -0.0731   0.05340   0.04572  -0.0083   0.6962   0.7322
   1.500  -0.0613   0.05437   0.04672  -0.0076   0.6976   0.7350
   1.750  -0.0369   0.05553   0.04787  -0.0087   0.7001   0.7379
   2.000  -0.0011   0.05682   0.04914  -0.0112   0.7017   0.7412
   2.250   0.0454   0.05575   0.04800  -0.0129   0.6820   0.7452
   2.500  -0.0548   0.05944   0.05183  -0.0069   0.7318   0.7487
   2.750  -0.0238   0.06034   0.05272  -0.0086   0.7261   0.7526
   3.000   0.0188   0.06228   0.05467  -0.0111   0.7226   0.7561
   3.250   0.0045   0.06188   0.05430  -0.0078   0.7136   0.7593
   3.500   0.0334   0.06278   0.05519  -0.0092   0.7067   0.7635
   3.750   0.0801   0.06473   0.05712  -0.0131   0.7030   0.7685
   4.000   0.0698   0.06468   0.05709  -0.0107   0.6933   0.7722
   4.250   0.0963   0.06563   0.05807  -0.0111   0.6866   0.7762
   4.500   0.1428   0.06779   0.06027  -0.0139   0.6828   0.7818
   4.750   0.1267   0.06762   0.06012  -0.0112   0.6715   0.7869
   5.000   0.1631   0.06893   0.06145  -0.0131   0.6655   0.7927
   5.250   0.2057   0.07138   0.06395  -0.0151   0.6623   0.7982
   5.500   0.1890   0.07078   0.06339  -0.0121   0.6485   0.8034
   5.750   0.3047   0.06737   0.05993  -0.0155   0.6053   0.8119
   6.000   0.2882   0.06990   0.06256  -0.0139   0.6064   0.8173
   6.250   0.2911   0.07212   0.06484  -0.0139   0.6067   0.8242
   6.500   0.3163   0.07032   0.06305  -0.0121   0.5753   0.8315
   6.750   0.3879   0.06881   0.06158  -0.0134   0.5678   0.8415
   7.000   0.3648   0.07091   0.06376  -0.0114   0.5548   0.8490
   7.250   0.4213   0.06975   0.06266  -0.0118   0.5496   0.8601
   7.500   0.4040   0.07180   0.06478  -0.0098   0.5362   0.8688
   7.750   0.4542   0.07083   0.06387  -0.0103   0.5316   0.8818
   8.000   0.4396   0.07274   0.06587  -0.0081   0.5183   0.8923
   8.250   0.4837   0.07157   0.06478  -0.0077   0.5137   0.9079
   8.500   0.4746   0.07347   0.06677  -0.0062   0.5005   0.9231
   8.750   0.5221   0.07208   0.06551  -0.0065   0.4959   0.9462
   9.000   0.5332   0.07402   0.06758  -0.0085   0.4817   0.9727
   9.250   0.5949   0.07233   0.06596  -0.0114   0.4776   1.0000
   9.500   0.6031   0.07440   0.06809  -0.0130   0.4629   1.0000
   9.750   0.6674   0.07205   0.06580  -0.0153   0.4596   1.0000
  10.000   0.6759   0.07390   0.06770  -0.0165   0.4448   1.0000
  10.250   0.7267   0.07195   0.06581  -0.0177   0.4394   1.0000
  10.500   0.7487   0.07227   0.06619  -0.0185   0.4274   1.0000
  10.750   0.7657   0.07308   0.06706  -0.0190   0.4149   1.0000
  11.000   0.8215   0.06959   0.06365  -0.0192   0.4110   1.0000
  11.250   0.8841   0.06491   0.05908  -0.0192   0.4090   1.0000
  12.000   0.9889   0.05835   0.05277  -0.0179   0.3802   1.0000
  12.250   1.0333   0.05501   0.04950  -0.0173   0.3673   1.0000
  12.500   1.0807   0.05152   0.04596  -0.0167   0.3471   1.0000
  12.750   1.1071   0.05056   0.04482  -0.0158   0.3173   1.0000
  13.000   1.1181   0.05137   0.04535  -0.0148   0.2844   1.0000
  13.250   1.1208   0.05320   0.04686  -0.0139   0.2539   1.0000
  13.500   1.1200   0.05558   0.04893  -0.0131   0.2271   1.0000
  13.750   1.1190   0.05821   0.05136  -0.0126   0.2039   1.0000
  14.000   1.1194   0.06081   0.05376  -0.0122   0.1839   1.0000
  14.250   1.1219   0.06325   0.05602  -0.0118   0.1666   1.0000
  14.500   1.1269   0.06551   0.05811  -0.0116   0.1517   1.0000
  14.750   1.1337   0.06767   0.06015  -0.0113   0.1386   1.0000
  15.000   1.1426   0.06967   0.06206  -0.0111   0.1276   1.0000
  15.250   1.1552   0.07130   0.06359  -0.0108   0.1182   1.0000
  15.500   1.1745   0.07224   0.06428  -0.0104   0.1095   1.0000
  15.750   1.1783   0.07504   0.06728  -0.0106   0.1035   1.0000
  16.000   1.2000   0.07590   0.06797  -0.0103   0.0972   1.0000
  16.250   1.2045   0.07865   0.07090  -0.0105   0.0927   1.0000
  16.500   1.2312   0.07916   0.07119  -0.0102   0.0875   1.0000
  16.750   1.2316   0.08243   0.07474  -0.0106   0.0844   1.0000
  17.000   1.2423   0.08457   0.07693  -0.0108   0.0811   1.0000
  17.250   1.2628   0.08600   0.07830  -0.0107   0.0779   1.0000
  17.500   1.2583   0.08992   0.08252  -0.0114   0.0759   1.0000
  17.750   1.2605   0.09314   0.08590  -0.0121   0.0738   1.0000
  18.000   1.2747   0.09500   0.08775  -0.0124   0.0715   1.0000
  18.250   1.2800   0.09818   0.09102  -0.0130   0.0698   1.0000
  18.500   1.2612   0.10384   0.09703  -0.0147   0.0691   1.0000
  18.750   1.2413   0.10992   0.10343  -0.0169   0.0684   1.0000
  19.000   1.2183   0.11672   0.11053  -0.0198   0.0680   1.0000
  19.250   1.1903   0.12460   0.11872  -0.0235   0.0678   1.0000
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