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NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-221 (naca644221-il)
Reynolds number: 200,000
Max Cl/Cd: 57.24 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644221-il-200000.txt
Download as CSV file: xf-naca644221-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.8190   0.12267   0.11815  -0.0405   1.0000   0.0491
 -19.000  -0.8611   0.11142   0.10666  -0.0470   1.0000   0.0488
 -18.750  -0.8969   0.10212   0.09712  -0.0521   1.0000   0.0485
 -18.500  -0.9296   0.09404   0.08879  -0.0562   1.0000   0.0486
 -18.250  -0.9575   0.08718   0.08168  -0.0594   1.0000   0.0486
 -18.000  -0.9780   0.08152   0.07578  -0.0617   1.0000   0.0487
 -17.750  -0.9971   0.07641   0.07042  -0.0635   1.0000   0.0488
 -17.500  -1.0154   0.07179   0.06554  -0.0649   1.0000   0.0490
 -17.250  -1.0272   0.06791   0.06143  -0.0657   1.0000   0.0492
 -17.000  -1.0111   0.06582   0.05933  -0.0657   1.0000   0.0500
 -16.750  -1.0017   0.06375   0.05722  -0.0660   1.0000   0.0506
 -16.500  -0.9947   0.06156   0.05495  -0.0662   1.0000   0.0511
 -16.250  -0.9871   0.05949   0.05279  -0.0663   1.0000   0.0519
 -16.000  -0.9794   0.05742   0.05061  -0.0664   1.0000   0.0526
 -15.750  -0.9727   0.05532   0.04837  -0.0664   1.0000   0.0534
 -15.500  -0.9676   0.05320   0.04609  -0.0664   1.0000   0.0544
 -15.250  -0.9662   0.05099   0.04366  -0.0663   1.0000   0.0552
 -15.000  -0.9372   0.05028   0.04306  -0.0659   1.0000   0.0566
 -14.750  -0.9209   0.04914   0.04195  -0.0658   1.0000   0.0580
 -14.500  -0.9064   0.04786   0.04062  -0.0656   1.0000   0.0593
 -14.250  -0.8925   0.04653   0.03921  -0.0653   1.0000   0.0607
 -14.000  -0.8809   0.04511   0.03764  -0.0650   1.0000   0.0620
 -13.750  -0.8550   0.04464   0.03733  -0.0645   1.0000   0.0641
 -13.500  -0.8395   0.04361   0.03633  -0.0642   1.0000   0.0661
 -13.250  -0.8258   0.04244   0.03511  -0.0639   1.0000   0.0683
 -13.000  -0.8085   0.04155   0.03424  -0.0634   1.0000   0.0706
 -12.750  -0.7930   0.04061   0.03340  -0.0630   1.0000   0.0731
 -12.500  -0.7793   0.03955   0.03234  -0.0627   1.0000   0.0760
 -12.250  -0.7655   0.03856   0.03139  -0.0621   1.0000   0.0792
 -12.000  -0.7549   0.03748   0.03041  -0.0617   1.0000   0.0825
 -11.750  -0.7456   0.03646   0.02938  -0.0612   0.9988   0.0865
 -11.500  -0.7164   0.03469   0.02772  -0.0650   0.9689   0.0934
 -11.250  -0.6885   0.03287   0.02592  -0.0688   0.9521   0.1021
 -11.000  -0.6679   0.03107   0.02414  -0.0714   0.9335   0.1127
 -10.750  -0.6578   0.02949   0.02256  -0.0716   0.9147   0.1240
 -10.500  -0.6548   0.02796   0.02104  -0.0706   0.8980   0.1368
 -10.250  -0.6567   0.02644   0.01956  -0.0686   0.8835   0.1510
 -10.000  -0.6623   0.02483   0.01801  -0.0661   0.8700   0.1681
  -9.750  -0.6699   0.02318   0.01646  -0.0634   0.8572   0.1894
  -9.500  -0.6798   0.02156   0.01493  -0.0602   0.8463   0.2149
  -9.000  -0.7083   0.01848   0.01215  -0.0517   0.8242   0.2805
  -8.750  -0.7264   0.01749   0.01133  -0.0457   0.8139   0.3171
  -8.500  -0.7332   0.01674   0.01087  -0.0410   0.8055   0.3688
  -8.250  -0.7238   0.01657   0.01090  -0.0382   0.7970   0.4199
  -8.000  -0.7074   0.01656   0.01077  -0.0364   0.7908   0.4495
  -7.750  -0.6879   0.01664   0.01075  -0.0352   0.7833   0.4695
  -7.500  -0.6641   0.01687   0.01094  -0.0343   0.7763   0.4846
  -7.250  -0.6384   0.01715   0.01114  -0.0336   0.7709   0.4968
  -7.000  -0.6151   0.01735   0.01125  -0.0329   0.7641   0.5089
  -6.750  -0.5869   0.01779   0.01168  -0.0325   0.7574   0.5195
  -6.500  -0.5604   0.01806   0.01186  -0.0319   0.7521   0.5291
  -6.250  -0.5315   0.01852   0.01229  -0.0316   0.7466   0.5374
  -6.000  -0.5074   0.01856   0.01222  -0.0312   0.7396   0.5457
  -5.750  -0.4754   0.01900   0.01269  -0.0311   0.7341   0.5512
  -5.500  -0.4485   0.01922   0.01278  -0.0307   0.7295   0.5589
  -5.250  -0.4216   0.01946   0.01301  -0.0305   0.7232   0.5661
  -5.000  -0.3881   0.02022   0.01383  -0.0304   0.7176   0.5723
  -4.750  -0.3639   0.02026   0.01373  -0.0299   0.7129   0.5809
  -4.500  -0.3337   0.02056   0.01398  -0.0297   0.7090   0.5857
  -4.250  -0.3038   0.02090   0.01437  -0.0297   0.7034   0.5893
  -4.000  -0.2759   0.02098   0.01442  -0.0297   0.6983   0.5932
  -3.750  -0.2519   0.02064   0.01395  -0.0297   0.6940   0.5982
  -3.500  -0.2288   0.02014   0.01326  -0.0297   0.6904   0.6029
  -3.250  -0.2008   0.02012   0.01326  -0.0298   0.6863   0.6049
  -3.000  -0.1732   0.02014   0.01329  -0.0299   0.6815   0.6073
  -2.750  -0.1459   0.02007   0.01319  -0.0300   0.6772   0.6100
  -2.500  -0.1186   0.01990   0.01294  -0.0301   0.6736   0.6128
  -2.250  -0.0916   0.01968   0.01261  -0.0304   0.6704   0.6164
  -2.000  -0.0666   0.01943   0.01227  -0.0308   0.6667   0.6203
  -1.750  -0.0409   0.01926   0.01209  -0.0310   0.6626   0.6230
  -1.500  -0.0134   0.01924   0.01209  -0.0311   0.6590   0.6251
  -1.250   0.0146   0.01924   0.01208  -0.0313   0.6559   0.6275
  -1.000   0.0429   0.01921   0.01201  -0.0315   0.6532   0.6302
  -0.750   0.0712   0.01914   0.01187  -0.0319   0.6509   0.6329
  -0.500   0.0981   0.01915   0.01186  -0.0323   0.6481   0.6360
  -0.250   0.1236   0.01913   0.01184  -0.0327   0.6447   0.6396
   0.000   0.1501   0.01907   0.01175  -0.0331   0.6412   0.6423
   0.250   0.1775   0.01905   0.01177  -0.0332   0.6382   0.6443
   0.500   0.2053   0.01908   0.01181  -0.0335   0.6357   0.6465
   0.750   0.2336   0.01912   0.01186  -0.0338   0.6336   0.6490
   1.000   0.2623   0.01920   0.01192  -0.0341   0.6317   0.6522
   1.250   0.2896   0.01936   0.01207  -0.0345   0.6294   0.6558
   1.500   0.3138   0.01954   0.01231  -0.0347   0.6259   0.6595
   1.750   0.3393   0.01969   0.01249  -0.0349   0.6228   0.6627
   2.000   0.3653   0.01983   0.01270  -0.0349   0.6199   0.6652
   2.250   0.3929   0.01991   0.01283  -0.0350   0.6171   0.6681
   2.500   0.4214   0.01998   0.01290  -0.0353   0.6148   0.6715
   2.750   0.4507   0.02005   0.01297  -0.0358   0.6128   0.6755
   3.000   0.4793   0.02025   0.01314  -0.0363   0.6107   0.6800
   3.250   0.4986   0.02070   0.01374  -0.0358   0.6067   0.6837
   3.500   0.5207   0.02109   0.01426  -0.0353   0.6032   0.6872
   3.750   0.5458   0.02134   0.01459  -0.0351   0.6002   0.6914
   4.000   0.5736   0.02146   0.01474  -0.0353   0.5975   0.6965
   4.250   0.6039   0.02152   0.01478  -0.0360   0.5953   0.7020
   4.500   0.6339   0.02154   0.01485  -0.0363   0.5932   0.7058
   4.750   0.6529   0.02210   0.01556  -0.0354   0.5893   0.7100
   5.000   0.6692   0.02269   0.01629  -0.0343   0.5841   0.7153
   5.250   0.6977   0.02269   0.01630  -0.0346   0.5802   0.7215
   5.500   0.7315   0.02228   0.01593  -0.0352   0.5768   0.7262
   5.750   0.7695   0.02180   0.01542  -0.0362   0.5735   0.7311
   6.000   0.7810   0.02233   0.01614  -0.0342   0.5660   0.7374
   6.250   0.8141   0.02182   0.01562  -0.0348   0.5602   0.7441
   6.500   0.8563   0.02086   0.01459  -0.0360   0.5549   0.7490
   6.750   0.8702   0.02109   0.01501  -0.0340   0.5468   0.7556
   7.000   0.9018   0.02071   0.01463  -0.0345   0.5407   0.7635
   7.250   0.9391   0.02017   0.01406  -0.0353   0.5358   0.7689
   7.500   0.9500   0.02041   0.01453  -0.0328   0.5275   0.7761
   7.750   0.9838   0.01983   0.01391  -0.0334   0.5200   0.7839
   8.000   1.0008   0.01970   0.01393  -0.0314   0.5108   0.7901
   8.250   1.0292   0.01917   0.01339  -0.0310   0.5011   0.7978
   8.500   1.0427   0.01914   0.01350  -0.0288   0.4905   0.8058
   8.750   1.0658   0.01881   0.01318  -0.0276   0.4803   0.8132
   9.000   1.0749   0.01887   0.01338  -0.0247   0.4680   0.8229
   9.250   1.0819   0.01890   0.01354  -0.0212   0.4554   0.8313
   9.500   1.0853   0.01896   0.01366  -0.0173   0.4414   0.8422
   9.750   1.0813   0.01932   0.01412  -0.0125   0.4247   0.8536
  10.000   1.0763   0.01989   0.01475  -0.0081   0.4022   0.8661
  10.250   1.0696   0.02064   0.01541  -0.0037   0.3732   0.8806
  10.500   1.0564   0.02184   0.01647   0.0010   0.3439   0.8977
  10.750   1.0413   0.02344   0.01796   0.0053   0.3139   0.9192
  11.000   1.0305   0.02556   0.01995   0.0077   0.2803   0.9522
  11.250   1.0243   0.02838   0.02257   0.0074   0.2455   1.0000
  11.500   1.0169   0.03119   0.02519   0.0078   0.2173   1.0000
  11.750   1.0089   0.03407   0.02789   0.0084   0.1938   1.0000
  12.000   1.0042   0.03679   0.03047   0.0089   0.1725   1.0000
  12.250   1.0002   0.03952   0.03306   0.0094   0.1548   1.0000
  12.500   0.9977   0.04218   0.03561   0.0097   0.1394   1.0000
  12.750   0.9970   0.04475   0.03808   0.0100   0.1263   1.0000
  13.000   0.9983   0.04719   0.04045   0.0102   0.1152   1.0000
  13.250   1.0000   0.04963   0.04282   0.0103   0.1056   1.0000
  13.500   1.0017   0.05209   0.04517   0.0105   0.0978   1.0000
  13.750   1.0065   0.05432   0.04737   0.0105   0.0908   1.0000
  14.000   1.0125   0.05645   0.04948   0.0105   0.0847   1.0000
  14.250   1.0182   0.05857   0.05151   0.0105   0.0800   1.0000
  14.500   1.0267   0.06052   0.05351   0.0104   0.0753   1.0000
  14.750   1.0347   0.06248   0.05540   0.0103   0.0719   1.0000
  15.000   1.0440   0.06434   0.05729   0.0103   0.0683   1.0000
  15.250   1.0536   0.06618   0.05913   0.0102   0.0654   1.0000
  15.500   1.0654   0.06770   0.06058   0.0103   0.0628   1.0000
  15.750   1.0747   0.06970   0.06267   0.0100   0.0601   1.0000
  16.000   1.0857   0.07143   0.06438   0.0098   0.0581   1.0000
  16.250   1.1012   0.07252   0.06540   0.0100   0.0560   1.0000
  16.500   1.1100   0.07463   0.06764   0.0097   0.0543   1.0000
  16.750   1.1208   0.07647   0.06952   0.0094   0.0526   1.0000
  17.000   1.1356   0.07774   0.07071   0.0094   0.0510   1.0000
  17.250   1.1487   0.07931   0.07232   0.0093   0.0495   1.0000
  17.500   1.1547   0.08184   0.07501   0.0088   0.0482   1.0000
  17.750   1.1631   0.08405   0.07731   0.0083   0.0470   1.0000
  18.000   1.1742   0.08589   0.07915   0.0079   0.0459   1.0000
  18.250   1.1988   0.08607   0.07918   0.0084   0.0446   1.0000
  18.500   1.1982   0.08951   0.08285   0.0074   0.0440   1.0000
  18.750   1.1977   0.09301   0.08657   0.0063   0.0433   1.0000
  19.000   1.1993   0.09626   0.08999   0.0053   0.0426   1.0000
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