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NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-221 (naca644221-il)
Reynolds number: 100,000
Max Cl/Cd: 28.74 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644221-il-100000-n5.txt
Download as CSV file: xf-naca644221-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 64(4)-221                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -0.7743   0.11907   0.11271  -0.0407   1.0000   0.0471
 -18.250  -0.8164   0.10752   0.10084  -0.0473   1.0000   0.0472
 -18.000  -0.8398   0.09997   0.09303  -0.0513   1.0000   0.0475
 -17.750  -0.8560   0.09387   0.08668  -0.0542   1.0000   0.0479
 -17.500  -0.8683   0.08860   0.08117  -0.0565   1.0000   0.0484
 -17.250  -0.8776   0.08390   0.07622  -0.0584   1.0000   0.0490
 -17.000  -0.8739   0.08112   0.07338  -0.0593   1.0000   0.0498
 -16.750  -0.8676   0.07873   0.07096  -0.0601   1.0000   0.0506
 -16.500  -0.8635   0.07610   0.06827  -0.0609   1.0000   0.0515
 -16.250  -0.8597   0.07343   0.06548  -0.0616   1.0000   0.0525
 -16.000  -0.8559   0.07076   0.06267  -0.0623   1.0000   0.0537
 -15.750  -0.8512   0.06819   0.05991  -0.0628   1.0000   0.0549
 -15.500  -0.8401   0.06644   0.05814  -0.0629   1.0000   0.0560
 -15.250  -0.8292   0.06479   0.05650  -0.0630   1.0000   0.0572
 -15.000  -0.8192   0.06303   0.05470  -0.0632   1.0000   0.0587
 -14.750  -0.8097   0.06119   0.05278  -0.0634   1.0000   0.0605
 -14.500  -0.7987   0.05954   0.05102  -0.0634   1.0000   0.0624
 -14.250  -0.7866   0.05813   0.04967  -0.0634   1.0000   0.0640
 -14.000  -0.7751   0.05666   0.04820  -0.0633   1.0000   0.0661
 -13.750  -0.7630   0.05523   0.04670  -0.0632   1.0000   0.0686
 -13.500  -0.7514   0.05385   0.04534  -0.0631   1.0000   0.0710
 -13.250  -0.7403   0.05244   0.04396  -0.0630   1.0000   0.0737
 -13.000  -0.7282   0.05114   0.04262  -0.0628   1.0000   0.0771
 -12.750  -0.7179   0.04976   0.04131  -0.0626   1.0000   0.0802
 -12.500  -0.7077   0.04839   0.03996  -0.0624   1.0000   0.0842
 -12.250  -0.6973   0.04709   0.03869  -0.0621   1.0000   0.0886
 -12.000  -0.6888   0.04571   0.03737  -0.0618   1.0000   0.0934
 -11.750  -0.6804   0.04444   0.03615  -0.0614   1.0000   0.0991
 -11.500  -0.6609   0.04287   0.03458  -0.0635   0.9619   0.1077
 -11.250  -0.6393   0.04116   0.03290  -0.0662   0.9409   0.1179
 -11.000  -0.6208   0.03952   0.03127  -0.0681   0.9227   0.1303
 -10.750  -0.6079   0.03794   0.02970  -0.0688   0.9054   0.1440
 -10.500  -0.6005   0.03638   0.02816  -0.0686   0.8892   0.1597
 -10.250  -0.5964   0.03483   0.02664  -0.0678   0.8747   0.1767
 -10.000  -0.5958   0.03317   0.02505  -0.0666   0.8618   0.1971
  -9.750  -0.5977   0.03146   0.02344  -0.0650   0.8501   0.2200
  -9.500  -0.6009   0.02977   0.02188  -0.0632   0.8381   0.2469
  -9.250  -0.6058   0.02815   0.02040  -0.0609   0.8282   0.2785
  -9.000  -0.6084   0.02684   0.01933  -0.0585   0.8172   0.3156
  -8.750  -0.5994   0.02646   0.01921  -0.0562   0.8092   0.3576
  -8.500  -0.5762   0.02705   0.02000  -0.0547   0.7999   0.3953
  -8.250  -0.5806   0.02585   0.01871  -0.0520   0.7914   0.4192
  -8.000  -0.5907   0.02479   0.01757  -0.0483   0.7820   0.4373
  -7.750  -0.5946   0.02412   0.01676  -0.0446   0.7739   0.4536
  -7.500  -0.5886   0.02376   0.01624  -0.0420   0.7674   0.4688
  -7.250  -0.5641   0.02418   0.01662  -0.0410   0.7599   0.4808
  -7.000  -0.5483   0.02412   0.01642  -0.0393   0.7534   0.4923
  -6.750  -0.5308   0.02411   0.01625  -0.0378   0.7478   0.5034
  -6.500  -0.5033   0.02458   0.01670  -0.0372   0.7405   0.5122
  -6.250  -0.4888   0.02441   0.01637  -0.0355   0.7342   0.5236
  -6.000  -0.4532   0.02522   0.01714  -0.0354   0.7297   0.5308
  -5.750  -0.4318   0.02539   0.01723  -0.0345   0.7233   0.5402
  -5.500  -0.4071   0.02559   0.01735  -0.0338   0.7175   0.5473
  -5.250  -0.3748   0.02606   0.01776  -0.0337   0.7128   0.5520
  -5.000  -0.3574   0.02564   0.01717  -0.0326   0.7089   0.5595
  -4.750  -0.3390   0.02530   0.01675  -0.0319   0.7026   0.5650
  -4.500  -0.3101   0.02544   0.01684  -0.0318   0.6974   0.5677
  -4.250  -0.2839   0.02536   0.01668  -0.0315   0.6930   0.5710
  -4.000  -0.2609   0.02505   0.01622  -0.0310   0.6893   0.5754
  -3.750  -0.2485   0.02426   0.01528  -0.0302   0.6834   0.5822
  -3.500  -0.2216   0.02424   0.01524  -0.0301   0.6784   0.5844
  -3.250  -0.1943   0.02421   0.01515  -0.0300   0.6743   0.5867
  -3.000  -0.1674   0.02411   0.01497  -0.0299   0.6710   0.5895
  -2.750  -0.1428   0.02397   0.01477  -0.0297   0.6673   0.5929
  -2.500  -0.1213   0.02375   0.01450  -0.0294   0.6625   0.5971
  -2.250  -0.1008   0.02332   0.01395  -0.0293   0.6584   0.6023
  -2.000  -0.0735   0.02332   0.01392  -0.0292   0.6550   0.6043
  -1.750  -0.0461   0.02326   0.01382  -0.0292   0.6521   0.6065
  -1.500  -0.0185   0.02318   0.01367  -0.0293   0.6497   0.6090
  -1.250   0.0041   0.02323   0.01376  -0.0290   0.6449   0.6122
  -1.000   0.0277   0.02315   0.01364  -0.0289   0.6407   0.6157
  -0.750   0.0522   0.02294   0.01337  -0.0290   0.6371   0.6193
  -0.500   0.0782   0.02278   0.01313  -0.0292   0.6343   0.6225
  -0.250   0.1061   0.02279   0.01313  -0.0292   0.6320   0.6247
   0.000   0.1333   0.02284   0.01317  -0.0293   0.6297   0.6272
   0.250   0.1551   0.02307   0.01348  -0.0288   0.6257   0.6302
   0.500   0.1785   0.02320   0.01364  -0.0287   0.6222   0.6334
   0.750   0.2031   0.02324   0.01367  -0.0287   0.6191   0.6370
   1.000   0.2292   0.02319   0.01356  -0.0290   0.6163   0.6411
   1.250   0.2567   0.02320   0.01359  -0.0291   0.6139   0.6436
   1.500   0.2850   0.02324   0.01364  -0.0292   0.6119   0.6461
   1.750   0.3075   0.02354   0.01402  -0.0288   0.6090   0.6493
   2.000   0.3262   0.02398   0.01455  -0.0281   0.6050   0.6531
   2.250   0.3484   0.02423   0.01484  -0.0278   0.6014   0.6578
   2.500   0.3735   0.02436   0.01497  -0.0279   0.5984   0.6623
   2.750   0.3996   0.02450   0.01518  -0.0277   0.5960   0.6652
   3.000   0.4275   0.02458   0.01530  -0.0278   0.5940   0.6686
   3.250   0.4575   0.02458   0.01531  -0.0282   0.5921   0.6726
   3.500   0.4640   0.02551   0.01639  -0.0262   0.5859   0.6774
   3.750   0.4832   0.02593   0.01687  -0.0256   0.5818   0.6824
   4.000   0.5067   0.02617   0.01721  -0.0251   0.5788   0.6858
   4.250   0.5342   0.02626   0.01736  -0.0251   0.5764   0.6900
   4.500   0.5643   0.02627   0.01742  -0.0255   0.5745   0.6950
   4.750   0.5757   0.02708   0.01831  -0.0240   0.5697   0.7011
   5.000   0.5775   0.02818   0.01957  -0.0212   0.5632   0.7057
   5.250   0.5998   0.02844   0.01994  -0.0206   0.5599   0.7108
   5.500   0.6303   0.02839   0.01995  -0.0209   0.5575   0.7167
   5.750   0.6662   0.02816   0.01974  -0.0220   0.5555   0.7232
   6.250   0.6615   0.03040   0.02228  -0.0152   0.5410   0.7340
   6.500   0.7030   0.02977   0.02170  -0.0166   0.5385   0.7407
   6.750   0.7148   0.03018   0.02222  -0.0146   0.5325   0.7466
   7.000   0.6981   0.03167   0.02383  -0.0097   0.5227   0.7535
   7.250   0.7501   0.03027   0.02249  -0.0117   0.5201   0.7609
   7.750   0.7565   0.03178   0.02422  -0.0063   0.5035   0.7760
   8.000   0.8306   0.02890   0.02137  -0.0098   0.4998   0.7837
   8.250   0.7805   0.03246   0.02510  -0.0028   0.4862   0.7926
   8.500   0.8464   0.02964   0.02233  -0.0049   0.4818   0.8009
   8.750   0.8052   0.03314   0.02597   0.0003   0.4676   0.8107
   9.000   0.7952   0.03527   0.02821   0.0026   0.4546   0.8217
   9.250   0.8279   0.03403   0.02708   0.0035   0.4474   0.8312
   9.500   0.8101   0.03685   0.03001   0.0059   0.4315   0.8432
   9.750   0.8017   0.03907   0.03236   0.0078   0.4156   0.8559
  10.000   0.8017   0.04062   0.03403   0.0094   0.3996   0.8699
  10.250   0.8132   0.04114   0.03466   0.0107   0.3837   0.8863
  10.500   0.8354   0.04067   0.03423   0.0117   0.3663   0.9073
  10.750   0.8644   0.03989   0.03339   0.0120   0.3412   0.9351
  11.000   0.8856   0.03983   0.03316   0.0118   0.3092   1.0000
  11.250   0.8944   0.04112   0.03418   0.0122   0.2781   1.0000
  11.500   0.8967   0.04315   0.03600   0.0126   0.2494   1.0000
  11.750   0.8976   0.04540   0.03806   0.0129   0.2251   1.0000
  12.000   0.8987   0.04775   0.04027   0.0130   0.2034   1.0000
  12.250   0.9003   0.05013   0.04252   0.0131   0.1843   1.0000
  12.500   0.9024   0.05253   0.04481   0.0130   0.1674   1.0000
  12.750   0.9058   0.05488   0.04707   0.0130   0.1526   1.0000
  13.000   0.9103   0.05717   0.04929   0.0128   0.1397   1.0000
  13.250   0.9153   0.05945   0.05152   0.0126   0.1281   1.0000
  13.500   0.9204   0.06176   0.05378   0.0124   0.1179   1.0000
  13.750   0.9255   0.06410   0.05605   0.0121   0.1096   1.0000
  14.000   0.9317   0.06636   0.05831   0.0118   0.1017   1.0000
  14.250   0.9382   0.06862   0.06056   0.0115   0.0949   1.0000
  14.500   0.9430   0.07110   0.06299   0.0111   0.0892   1.0000
  14.750   0.9513   0.07321   0.06516   0.0108   0.0838   1.0000
  15.000   0.9563   0.07571   0.06760   0.0103   0.0796   1.0000
  15.250   0.9649   0.07785   0.06981   0.0099   0.0750   1.0000
  15.500   0.9709   0.08030   0.07224   0.0093   0.0716   1.0000
  15.750   0.9788   0.08254   0.07454   0.0088   0.0680   1.0000
  16.000   0.9863   0.08487   0.07690   0.0083   0.0652   1.0000
  16.250   0.9934   0.08720   0.07921   0.0077   0.0628   1.0000
  16.500   1.0011   0.08957   0.08169   0.0071   0.0601   1.0000
  16.750   1.0079   0.09203   0.08417   0.0063   0.0579   1.0000
  17.000   1.0154   0.09436   0.08649   0.0056   0.0561   1.0000
  17.250   1.0223   0.09692   0.08920   0.0049   0.0542   1.0000
  17.500   1.0283   0.09959   0.09194   0.0040   0.0524   1.0000
  17.750   1.0351   0.10209   0.09444   0.0030   0.0510   1.0000
  18.000   1.0408   0.10479   0.09721   0.0021   0.0496   1.0000
  18.250   1.0445   0.10794   0.10052   0.0008   0.0482   1.0000
  18.500   1.0481   0.11107   0.10377  -0.0005   0.0470   1.0000
  18.750   1.0523   0.11408   0.10685  -0.0018   0.0458   1.0000
  19.000   1.0595   0.11652   0.10927  -0.0029   0.0449   1.0000
  19.250   1.0592   0.12040   0.11331  -0.0047   0.0440   1.0000
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