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NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-221 (naca644221-il)
Reynolds number: 200,000
Max Cl/Cd: 58.1 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644221-il-200000-n5.txt
Download as CSV file: xf-naca644221-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9404   0.10723   0.10142  -0.0425   1.0000   0.0318
 -19.500  -0.9435   0.10308   0.09716  -0.0445   1.0000   0.0322
 -19.250  -0.9451   0.09922   0.09317  -0.0464   1.0000   0.0325
 -19.000  -0.9465   0.09547   0.08929  -0.0481   1.0000   0.0329
 -18.750  -0.9467   0.09198   0.08566  -0.0496   1.0000   0.0333
 -18.500  -0.9456   0.08870   0.08224  -0.0509   1.0000   0.0337
 -18.250  -0.9433   0.08565   0.07907  -0.0521   1.0000   0.0341
 -18.000  -0.9372   0.08329   0.07670  -0.0529   1.0000   0.0346
 -17.750  -0.9318   0.08080   0.07419  -0.0538   1.0000   0.0351
 -17.500  -0.9269   0.07825   0.07159  -0.0547   1.0000   0.0356
 -17.250  -0.9212   0.07585   0.06913  -0.0554   1.0000   0.0361
 -17.000  -0.9155   0.07343   0.06665  -0.0562   1.0000   0.0368
 -16.750  -0.9094   0.07110   0.06423  -0.0568   1.0000   0.0376
 -16.500  -0.9023   0.06895   0.06198  -0.0573   1.0000   0.0382
 -16.250  -0.8947   0.06691   0.05989  -0.0577   1.0000   0.0389
 -16.000  -0.8877   0.06485   0.05784  -0.0581   1.0000   0.0395
 -15.750  -0.8805   0.06281   0.05577  -0.0586   1.0000   0.0402
 -15.500  -0.8724   0.06089   0.05382  -0.0589   1.0000   0.0410
 -15.250  -0.8643   0.05901   0.05188  -0.0591   1.0000   0.0419
 -15.000  -0.8558   0.05720   0.05002  -0.0593   1.0000   0.0429
 -14.750  -0.8468   0.05545   0.04822  -0.0595   1.0000   0.0439
 -14.500  -0.8396   0.05357   0.04635  -0.0597   1.0000   0.0448
 -14.250  -0.8316   0.05177   0.04454  -0.0599   1.0000   0.0460
 -14.000  -0.8226   0.05011   0.04285  -0.0599   1.0000   0.0473
 -13.750  -0.8131   0.04852   0.04121  -0.0600   1.0000   0.0488
 -13.500  -0.8056   0.04678   0.03948  -0.0600   1.0000   0.0501
 -13.250  -0.7976   0.04512   0.03783  -0.0599   1.0000   0.0514
 -13.000  -0.7895   0.04352   0.03622  -0.0596   0.9906   0.0532
 -12.750  -0.7635   0.04178   0.03438  -0.0634   0.9380   0.0559
 -12.500  -0.7427   0.03993   0.03246  -0.0662   0.9123   0.0588
 -12.250  -0.7263   0.03850   0.03090  -0.0672   0.8911   0.0619
 -12.000  -0.7161   0.03700   0.02935  -0.0673   0.8735   0.0645
 -11.750  -0.7059   0.03568   0.02795  -0.0670   0.8588   0.0683
 -11.500  -0.6977   0.03433   0.02655  -0.0664   0.8461   0.0720
 -11.250  -0.6894   0.03310   0.02525  -0.0656   0.8338   0.0764
 -11.000  -0.6823   0.03181   0.02392  -0.0647   0.8231   0.0813
 -10.750  -0.6738   0.03065   0.02270  -0.0638   0.8127   0.0870
 -10.500  -0.6676   0.02934   0.02138  -0.0628   0.8035   0.0936
 -10.250  -0.6607   0.02813   0.02015  -0.0617   0.7942   0.1009
 -10.000  -0.6538   0.02695   0.01894  -0.0605   0.7860   0.1096
  -9.750  -0.6481   0.02572   0.01772  -0.0592   0.7775   0.1202
  -9.500  -0.6433   0.02451   0.01650  -0.0576   0.7700   0.1317
  -9.250  -0.6391   0.02328   0.01531  -0.0561   0.7619   0.1458
  -9.000  -0.6361   0.02206   0.01412  -0.0542   0.7541   0.1621
  -8.750  -0.6344   0.02085   0.01295  -0.0521   0.7472   0.1801
  -8.500  -0.6349   0.01962   0.01179  -0.0496   0.7392   0.2015
  -8.250  -0.6370   0.01848   0.01072  -0.0465   0.7322   0.2253
  -8.000  -0.6441   0.01754   0.00986  -0.0422   0.7256   0.2514
  -7.750  -0.6460   0.01664   0.00913  -0.0385   0.7187   0.2874
  -7.500  -0.6425   0.01581   0.00850  -0.0355   0.7127   0.3335
  -7.250  -0.6327   0.01526   0.00819  -0.0331   0.7074   0.3825
  -7.000  -0.6133   0.01508   0.00815  -0.0320   0.7012   0.4243
  -6.750  -0.5904   0.01499   0.00799  -0.0314   0.6955   0.4479
  -6.500  -0.5663   0.01495   0.00787  -0.0308   0.6906   0.4640
  -6.250  -0.5410   0.01493   0.00779  -0.0305   0.6854   0.4761
  -6.000  -0.5156   0.01488   0.00762  -0.0303   0.6797   0.4867
  -5.750  -0.4887   0.01489   0.00760  -0.0301   0.6745   0.4945
  -5.500  -0.4626   0.01488   0.00745  -0.0299   0.6700   0.5031
  -5.250  -0.4355   0.01492   0.00747  -0.0298   0.6647   0.5114
  -5.000  -0.4089   0.01500   0.00750  -0.0297   0.6592   0.5216
  -4.750  -0.3815   0.01510   0.00756  -0.0295   0.6543   0.5300
  -4.500  -0.3539   0.01518   0.00757  -0.0295   0.6503   0.5367
  -4.250  -0.3267   0.01511   0.00740  -0.0296   0.6457   0.5415
  -4.000  -0.2993   0.01499   0.00719  -0.0298   0.6411   0.5446
  -3.750  -0.2708   0.01493   0.00710  -0.0299   0.6368   0.5469
  -3.500  -0.2425   0.01488   0.00698  -0.0301   0.6331   0.5493
  -3.250  -0.2143   0.01483   0.00686  -0.0303   0.6297   0.5519
  -3.000  -0.1862   0.01477   0.00677  -0.0306   0.6256   0.5547
  -2.750  -0.1582   0.01471   0.00666  -0.0308   0.6215   0.5578
  -2.500  -0.1302   0.01465   0.00651  -0.0311   0.6179   0.5611
  -2.250  -0.1020   0.01458   0.00636  -0.0313   0.6146   0.5638
  -2.000  -0.0733   0.01455   0.00629  -0.0316   0.6118   0.5658
  -1.750  -0.0449   0.01453   0.00627  -0.0318   0.6084   0.5681
  -1.500  -0.0167   0.01450   0.00625  -0.0321   0.6047   0.5703
  -1.250   0.0117   0.01447   0.00620  -0.0323   0.6011   0.5726
  -1.000   0.0401   0.01445   0.00613  -0.0326   0.5979   0.5750
  -0.750   0.0687   0.01443   0.00606  -0.0329   0.5952   0.5775
  -0.500   0.0974   0.01443   0.00598  -0.0333   0.5928   0.5805
  -0.250   0.1258   0.01444   0.00597  -0.0336   0.5901   0.5831
   0.000   0.1540   0.01445   0.00604  -0.0338   0.5873   0.5853
   0.250   0.1822   0.01447   0.00610  -0.0341   0.5844   0.5876
   0.500   0.2106   0.01450   0.00615  -0.0344   0.5818   0.5901
   0.750   0.2390   0.01453   0.00618  -0.0346   0.5794   0.5928
   1.000   0.2676   0.01457   0.00621  -0.0350   0.5772   0.5958
   1.250   0.2965   0.01462   0.00622  -0.0353   0.5750   0.5989
   1.750   0.3529   0.01474   0.00639  -0.0359   0.5702   0.6046
   2.000   0.3806   0.01482   0.00656  -0.0361   0.5677   0.6074
   2.250   0.4084   0.01491   0.00671  -0.0363   0.5654   0.6107
   2.500   0.4364   0.01501   0.00684  -0.0365   0.5630   0.6145
   2.750   0.4647   0.01509   0.00694  -0.0368   0.5606   0.6187
   3.000   0.4931   0.01517   0.00702  -0.0371   0.5582   0.6226
   3.250   0.5216   0.01524   0.00714  -0.0373   0.5559   0.6257
   3.500   0.5496   0.01535   0.00730  -0.0375   0.5534   0.6293
   3.750   0.5760   0.01548   0.00754  -0.0375   0.5504   0.6334
   4.000   0.6029   0.01562   0.00775  -0.0376   0.5476   0.6379
   4.250   0.6302   0.01575   0.00793  -0.0377   0.5447   0.6422
   4.500   0.6574   0.01586   0.00813  -0.0378   0.5421   0.6459
   4.750   0.6851   0.01596   0.00831  -0.0379   0.5396   0.6502
   5.000   0.7136   0.01607   0.00845  -0.0382   0.5373   0.6551
   5.250   0.7410   0.01623   0.00865  -0.0383   0.5344   0.6603
   5.500   0.7646   0.01637   0.00895  -0.0378   0.5295   0.6647
   5.750   0.7900   0.01638   0.00905  -0.0375   0.5235   0.6694
   6.000   0.8190   0.01632   0.00895  -0.0376   0.5177   0.6750
   6.250   0.8399   0.01642   0.00919  -0.0367   0.5094   0.6812
   6.500   0.8650   0.01635   0.00915  -0.0362   0.5012   0.6862
   6.750   0.8866   0.01645   0.00939  -0.0353   0.4931   0.6919
   7.000   0.9098   0.01653   0.00953  -0.0346   0.4857   0.6983
   7.250   0.9330   0.01662   0.00968  -0.0340   0.4784   0.7041
   7.500   0.9525   0.01675   0.00995  -0.0327   0.4691   0.7095
   7.750   0.9719   0.01688   0.01015  -0.0315   0.4589   0.7159
   8.000   0.9889   0.01702   0.01031  -0.0299   0.4453   0.7227
   8.250   1.0001   0.01724   0.01064  -0.0273   0.4277   0.7284
   8.500   1.0055   0.01753   0.01097  -0.0239   0.4042   0.7353
   8.750   1.0050   0.01810   0.01140  -0.0198   0.3738   0.7431
   9.000   0.9980   0.01909   0.01227  -0.0154   0.3446   0.7499
   9.250   0.9912   0.02039   0.01345  -0.0116   0.3157   0.7583
   9.500   0.9833   0.02194   0.01489  -0.0081   0.2881   0.7665
   9.750   0.9740   0.02373   0.01659  -0.0048   0.2621   0.7751
  10.000   0.9679   0.02556   0.01834  -0.0022   0.2382   0.7842
  10.250   0.9616   0.02749   0.02022   0.0002   0.2166   0.7930
  10.500   0.9572   0.02948   0.02215   0.0021   0.1972   0.8028
  11.000   0.9527   0.03336   0.02598   0.0054   0.1642   0.8231
  11.250   0.9524   0.03527   0.02788   0.0067   0.1499   0.8344
  11.500   0.9538   0.03715   0.02977   0.0078   0.1369   0.8468
  11.750   0.9558   0.03905   0.03167   0.0088   0.1248   0.8612
  12.000   0.9589   0.04086   0.03352   0.0097   0.1144   0.8789
  12.250   0.9631   0.04269   0.03540   0.0104   0.1055   0.9036
  12.500   0.9728   0.04469   0.03745   0.0095   0.0963   0.9481
  13.000   0.9842   0.04856   0.04130   0.0096   0.0825   1.0000
  13.250   0.9908   0.05062   0.04335   0.0095   0.0766   1.0000
  13.500   0.9967   0.05277   0.04548   0.0094   0.0715   1.0000
  13.750   1.0043   0.05479   0.04752   0.0092   0.0667   1.0000
  14.000   1.0099   0.05702   0.04974   0.0090   0.0628   1.0000
  14.250   1.0172   0.05914   0.05189   0.0087   0.0590   1.0000
  14.500   1.0228   0.06146   0.05420   0.0084   0.0560   1.0000
  14.750   1.0301   0.06363   0.05643   0.0081   0.0533   1.0000
  15.000   1.0350   0.06609   0.05889   0.0077   0.0508   1.0000
  15.250   1.0416   0.06840   0.06124   0.0073   0.0486   1.0000
  15.500   1.0477   0.07081   0.06370   0.0068   0.0466   1.0000
  15.750   1.0518   0.07347   0.06638   0.0062   0.0449   1.0000
  16.000   1.0579   0.07594   0.06890   0.0056   0.0434   1.0000
  16.250   1.0636   0.07847   0.07149   0.0050   0.0418   1.0000
  16.500   1.0683   0.08116   0.07422   0.0042   0.0405   1.0000
  16.750   1.0714   0.08410   0.07718   0.0033   0.0394   1.0000
  17.000   1.0772   0.08671   0.07988   0.0026   0.0382   1.0000
  17.250   1.0822   0.08947   0.08271   0.0017   0.0371   1.0000
  17.500   1.0861   0.09238   0.08567   0.0007   0.0361   1.0000
  17.750   1.0896   0.09537   0.08870  -0.0003   0.0354   1.0000
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