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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 1,000,000
Max Cl/Cd: 112.47 at α=6.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644421-il-1000000-n5.txt
Download as CSV file: xf-naca644421-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0946   0.07661   0.07229  -0.0649   1.0000   0.0205
 -19.500  -1.0934   0.07371   0.06932  -0.0660   1.0000   0.0208
 -19.250  -1.0917   0.07086   0.06642  -0.0670   1.0000   0.0210
 -19.000  -1.0888   0.06821   0.06371  -0.0678   1.0000   0.0211
 -18.750  -1.0860   0.06561   0.06105  -0.0686   1.0000   0.0213
 -18.500  -1.0813   0.06325   0.05864  -0.0693   1.0000   0.0216
 -18.250  -1.0775   0.06081   0.05613  -0.0700   1.0000   0.0217
 -18.000  -1.0706   0.05876   0.05404  -0.0705   1.0000   0.0219
 -17.750  -1.0665   0.05640   0.05163  -0.0711   1.0000   0.0221
 -17.500  -1.0623   0.05414   0.04933  -0.0716   1.0000   0.0224
 -17.250  -1.0576   0.05193   0.04709  -0.0720   1.0000   0.0227
 -17.000  -1.0508   0.04999   0.04511  -0.0724   1.0000   0.0229
 -16.750  -1.0437   0.04809   0.04317  -0.0726   1.0000   0.0231
 -16.500  -1.0249   0.04594   0.04099  -0.0751   0.9626   0.0236
 -16.250  -0.9801   0.04354   0.03852  -0.0832   0.9497   0.0241
 -16.000  -0.9313   0.04123   0.03610  -0.0920   0.9329   0.0246
 -15.750  -0.8981   0.03950   0.03419  -0.0969   0.8996   0.0251
 -15.500  -0.8867   0.03825   0.03278  -0.0969   0.8711   0.0253
 -15.250  -0.8787   0.03688   0.03130  -0.0965   0.8520   0.0257
 -15.000  -0.8709   0.03553   0.02985  -0.0960   0.8368   0.0261
 -14.750  -0.8623   0.03427   0.02851  -0.0955   0.8222   0.0265
 -14.500  -0.8528   0.03305   0.02722  -0.0950   0.8094   0.0269
 -14.250  -0.8425   0.03193   0.02603  -0.0945   0.7969   0.0274
 -14.000  -0.8324   0.03077   0.02480  -0.0940   0.7867   0.0277
 -13.750  -0.8211   0.02974   0.02370  -0.0934   0.7773   0.0283
 -13.500  -0.8098   0.02870   0.02260  -0.0929   0.7689   0.0287
 -13.250  -0.7983   0.02773   0.02156  -0.0922   0.7610   0.0290
 -13.000  -0.7875   0.02670   0.02049  -0.0916   0.7535   0.0294
 -12.750  -0.7773   0.02569   0.01942  -0.0908   0.7451   0.0300
 -12.500  -0.7661   0.02474   0.01843  -0.0900   0.7382   0.0306
 -12.250  -0.7546   0.02381   0.01747  -0.0892   0.7302   0.0313
 -12.000  -0.7425   0.02296   0.01656  -0.0884   0.7232   0.0321
 -11.750  -0.7298   0.02213   0.01569  -0.0876   0.7169   0.0327
 -11.500  -0.7162   0.02137   0.01488  -0.0868   0.7103   0.0333
 -11.250  -0.7049   0.02053   0.01400  -0.0857   0.7036   0.0341
 -11.000  -0.6927   0.01971   0.01316  -0.0848   0.6981   0.0351
 -10.750  -0.6794   0.01898   0.01240  -0.0838   0.6920   0.0360
 -10.500  -0.6661   0.01829   0.01166  -0.0827   0.6855   0.0370
 -10.250  -0.6522   0.01764   0.01097  -0.0817   0.6800   0.0379
 -10.000  -0.6393   0.01694   0.01025  -0.0805   0.6744   0.0393
  -9.750  -0.6261   0.01631   0.00959  -0.0793   0.6683   0.0407
  -9.500  -0.6123   0.01574   0.00898  -0.0780   0.6624   0.0424
  -9.250  -0.5997   0.01512   0.00835  -0.0766   0.6576   0.0444
  -9.000  -0.5874   0.01456   0.00777  -0.0750   0.6519   0.0469
  -8.750  -0.5772   0.01405   0.00723  -0.0729   0.6461   0.0491
  -8.500  -0.5697   0.01365   0.00681  -0.0703   0.6412   0.0519
  -8.250  -0.5523   0.01329   0.00644  -0.0691   0.6360   0.0554
  -8.000  -0.5331   0.01297   0.00611  -0.0682   0.6302   0.0596
  -7.500  -0.4915   0.01236   0.00550  -0.0667   0.6199   0.0713
  -7.250  -0.4690   0.01206   0.00522  -0.0663   0.6148   0.0788
  -7.000  -0.4459   0.01179   0.00496  -0.0659   0.6096   0.0868
  -6.750  -0.4223   0.01152   0.00470  -0.0655   0.6048   0.0964
  -6.500  -0.3982   0.01120   0.00444  -0.0653   0.6010   0.1096
  -6.250  -0.3738   0.01088   0.00417  -0.0651   0.5966   0.1261
  -5.750  -0.3246   0.01021   0.00366  -0.0649   0.5874   0.1709
  -5.250  -0.2740   0.00939   0.00311  -0.0650   0.5801   0.2393
  -5.000  -0.2486   0.00891   0.00281  -0.0652   0.5760   0.2864
  -4.750  -0.2229   0.00842   0.00251  -0.0654   0.5720   0.3397
  -4.250  -0.1677   0.00781   0.00223  -0.0661   0.5649   0.4366
  -4.000  -0.1382   0.00775   0.00218  -0.0665   0.5616   0.4494
  -3.750  -0.1085   0.00774   0.00214  -0.0670   0.5581   0.4557
  -3.500  -0.0791   0.00771   0.00211  -0.0674   0.5545   0.4625
  -3.250  -0.0496   0.00773   0.00209  -0.0678   0.5509   0.4707
  -3.000  -0.0202   0.00770   0.00209  -0.0682   0.5479   0.4812
  -2.750   0.0098   0.00771   0.00208  -0.0687   0.5454   0.4887
  -2.500   0.0396   0.00771   0.00206  -0.0691   0.5426   0.4920
  -2.250   0.0693   0.00769   0.00204  -0.0696   0.5395   0.4944
  -2.000   0.0988   0.00770   0.00203  -0.0700   0.5363   0.4965
  -1.750   0.1282   0.00771   0.00202  -0.0704   0.5331   0.4989
  -1.500   0.1576   0.00774   0.00202  -0.0708   0.5301   0.5017
  -1.250   0.1875   0.00774   0.00202  -0.0712   0.5281   0.5043
  -1.000   0.2174   0.00775   0.00202  -0.0717   0.5260   0.5062
  -0.750   0.2471   0.00777   0.00202  -0.0721   0.5238   0.5076
  -0.500   0.2768   0.00779   0.00203  -0.0726   0.5214   0.5088
  -0.250   0.3063   0.00781   0.00204  -0.0730   0.5191   0.5103
   0.000   0.3357   0.00783   0.00206  -0.0734   0.5169   0.5126
   0.250   0.3649   0.00786   0.00208  -0.0738   0.5146   0.5149
   0.500   0.3941   0.00790   0.00212  -0.0742   0.5123   0.5172
   0.750   0.4238   0.00791   0.00215  -0.0746   0.5110   0.5194
   1.000   0.4535   0.00793   0.00218  -0.0751   0.5095   0.5215
   1.250   0.4831   0.00796   0.00222  -0.0755   0.5079   0.5236
   1.500   0.5125   0.00799   0.00226  -0.0759   0.5063   0.5256
   1.750   0.5419   0.00803   0.00230  -0.0763   0.5044   0.5274
   2.000   0.5711   0.00807   0.00235  -0.0767   0.5022   0.5295
   2.250   0.6001   0.00811   0.00240  -0.0770   0.5000   0.5323
   2.500   0.6289   0.00816   0.00247  -0.0774   0.4975   0.5351
   2.750   0.6574   0.00824   0.00254  -0.0776   0.4946   0.5380
   3.000   0.6866   0.00827   0.00261  -0.0780   0.4928   0.5409
   3.250   0.7159   0.00831   0.00267  -0.0784   0.4911   0.5437
   3.500   0.7450   0.00836   0.00275  -0.0788   0.4894   0.5463
   3.750   0.7739   0.00841   0.00282  -0.0791   0.4875   0.5490
   4.000   0.8027   0.00846   0.00291  -0.0794   0.4854   0.5525
   4.250   0.8309   0.00852   0.00299  -0.0797   0.4820   0.5562
   4.500   0.8577   0.00864   0.00310  -0.0796   0.4764   0.5598
   4.750   0.8866   0.00867   0.00318  -0.0800   0.4721   0.5634
   5.000   0.9146   0.00875   0.00327  -0.0802   0.4669   0.5668
   5.250   0.9404   0.00889   0.00338  -0.0800   0.4586   0.5710
   5.500   0.9685   0.00893   0.00348  -0.0802   0.4517   0.5756
   5.750   0.9954   0.00904   0.00360  -0.0802   0.4457   0.5800
   6.000   1.0216   0.00916   0.00373  -0.0801   0.4391   0.5840
   6.250   1.0471   0.00931   0.00387  -0.0799   0.4267   0.5875
   6.500   1.0685   0.00959   0.00408  -0.0790   0.4008   0.5922
   6.750   1.0781   0.01030   0.00455  -0.0761   0.3534   0.5968
   7.000   1.0858   0.01102   0.00508  -0.0730   0.3155   0.6013
   7.250   1.0881   0.01166   0.00558  -0.0687   0.2844   0.6053
   7.500   1.0908   0.01240   0.00620  -0.0648   0.2571   0.6094
   7.750   1.0949   0.01315   0.00686  -0.0613   0.2327   0.6145
   8.000   1.0993   0.01395   0.00758  -0.0581   0.2120   0.6197
   8.250   1.1039   0.01482   0.00839  -0.0552   0.1937   0.6246
   8.500   1.1092   0.01574   0.00925  -0.0525   0.1769   0.6292
   8.750   1.1134   0.01677   0.01023  -0.0499   0.1595   0.6348
   9.000   1.1180   0.01787   0.01129  -0.0475   0.1441   0.6406
   9.250   1.1236   0.01900   0.01238  -0.0454   0.1313   0.6459
   9.500   1.1291   0.02020   0.01356  -0.0434   0.1194   0.6512
   9.750   1.1333   0.02153   0.01486  -0.0415   0.1072   0.6574
  10.000   1.1391   0.02284   0.01615  -0.0398   0.0979   0.6636
  10.500   1.1516   0.02555   0.01885  -0.0369   0.0811   0.6752
  10.750   1.1567   0.02705   0.02035  -0.0355   0.0731   0.6819
  11.000   1.1636   0.02848   0.02178  -0.0343   0.0672   0.6881
  11.250   1.1697   0.03001   0.02332  -0.0331   0.0609   0.6946
  11.500   1.1749   0.03167   0.02499  -0.0321   0.0545   0.7022
  11.750   1.1830   0.03316   0.02650  -0.0312   0.0504   0.7088
  12.000   1.1909   0.03470   0.02807  -0.0304   0.0469   0.7155
  12.250   1.1983   0.03632   0.02972  -0.0297   0.0432   0.7230
  12.500   1.2058   0.03799   0.03141  -0.0291   0.0399   0.7296
  12.750   1.2145   0.03958   0.03305  -0.0285   0.0375   0.7366
  13.000   1.2218   0.04133   0.03483  -0.0280   0.0349   0.7443
  13.500   1.2388   0.04473   0.03831  -0.0272   0.0313   0.7589
  13.750   1.2475   0.04644   0.04007  -0.0269   0.0297   0.7671
  14.000   1.2557   0.04824   0.04192  -0.0267   0.0286   0.7748
  14.250   1.2639   0.05005   0.04378  -0.0264   0.0273   0.7837
  14.500   1.2719   0.05192   0.04570  -0.0263   0.0263   0.7927
  14.750   1.2804   0.05377   0.04762  -0.0262   0.0253   0.8034
  15.000   1.2891   0.05559   0.04951  -0.0261   0.0243   0.8153
  15.250   1.2956   0.05767   0.05165  -0.0260   0.0235   0.8286
  15.500   1.3032   0.05960   0.05367  -0.0259   0.0229   0.8450
  15.750   1.3109   0.06144   0.05563  -0.0257   0.0222   0.8679
  16.000   1.3146   0.06335   0.05773  -0.0250   0.0215   0.9186
  16.500   1.3312   0.06780   0.06231  -0.0262   0.0200   1.0000
  16.750   1.3384   0.07006   0.06461  -0.0265   0.0196   1.0000
  17.000   1.3465   0.07222   0.06680  -0.0269   0.0190   1.0000
  17.250   1.3529   0.07463   0.06926  -0.0274   0.0185   1.0000
  17.500   1.3589   0.07711   0.07178  -0.0279   0.0178   1.0000
  17.750   1.3650   0.07957   0.07427  -0.0284   0.0174   1.0000
  18.000   1.3694   0.08231   0.07705  -0.0290   0.0169   1.0000
  18.250   1.3756   0.08482   0.07961  -0.0297   0.0165   1.0000
  18.500   1.3819   0.08734   0.08218  -0.0303   0.0160   1.0000
  18.750   1.3857   0.09024   0.08514  -0.0312   0.0156   1.0000
  19.000   1.3903   0.09304   0.08797  -0.0320   0.0151   1.0000
  19.250   1.3938   0.09600   0.09098  -0.0329   0.0147   1.0000
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