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NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-221 (naca644221-il)
Reynolds number: 1,000,000
Max Cl/Cd: 95.77 at α=5.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644221-il-1000000-n5.txt
Download as CSV file: xf-naca644221-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1473   0.08050   0.07595  -0.0468   1.0000   0.0190
 -19.500  -1.1461   0.07759   0.07297  -0.0477   1.0000   0.0191
 -19.250  -1.1443   0.07481   0.07013  -0.0485   1.0000   0.0192
 -19.000  -1.1436   0.07195   0.06722  -0.0492   1.0000   0.0194
 -18.750  -1.1423   0.06919   0.06441  -0.0499   1.0000   0.0196
 -18.500  -1.1400   0.06656   0.06173  -0.0505   1.0000   0.0198
 -18.250  -1.1355   0.06423   0.05936  -0.0511   1.0000   0.0201
 -18.000  -1.1324   0.06177   0.05687  -0.0515   1.0000   0.0203
 -17.750  -1.1263   0.05966   0.05472  -0.0519   1.0000   0.0206
 -17.500  -1.1207   0.05752   0.05254  -0.0523   1.0000   0.0209
 -17.250  -1.1147   0.05543   0.05040  -0.0526   1.0000   0.0211
 -17.000  -1.1067   0.05360   0.04853  -0.0529   1.0000   0.0216
 -16.750  -1.1003   0.05159   0.04648  -0.0531   1.0000   0.0217
 -16.500  -1.0916   0.04986   0.04471  -0.0533   1.0000   0.0220
 -16.250  -1.0823   0.04818   0.04299  -0.0534   1.0000   0.0223
 -16.000  -1.0525   0.04573   0.04047  -0.0586   0.9546   0.0228
 -15.750  -1.0097   0.04334   0.03800  -0.0663   0.9287   0.0235
 -15.500  -0.9934   0.04177   0.03623  -0.0678   0.8819   0.0240
 -15.250  -0.9856   0.04038   0.03471  -0.0672   0.8572   0.0245
 -15.000  -0.9768   0.03905   0.03328  -0.0667   0.8395   0.0248
 -14.750  -0.9676   0.03773   0.03187  -0.0663   0.8245   0.0253
 -14.500  -0.9580   0.03650   0.03053  -0.0658   0.8092   0.0256
 -14.250  -0.9474   0.03525   0.02921  -0.0654   0.7980   0.0259
 -14.000  -0.9385   0.03393   0.02782  -0.0649   0.7872   0.0265
 -13.750  -0.9288   0.03266   0.02651  -0.0644   0.7784   0.0271
 -13.500  -0.9191   0.03145   0.02523  -0.0638   0.7688   0.0277
 -13.250  -0.9079   0.03033   0.02407  -0.0633   0.7599   0.0283
 -13.000  -0.8973   0.02921   0.02289  -0.0627   0.7523   0.0289
 -12.750  -0.8857   0.02821   0.02183  -0.0620   0.7448   0.0295
 -12.500  -0.8748   0.02715   0.02073  -0.0614   0.7375   0.0302
 -12.250  -0.8647   0.02609   0.01963  -0.0605   0.7300   0.0311
 -12.000  -0.8535   0.02508   0.01858  -0.0597   0.7238   0.0320
 -11.750  -0.8417   0.02415   0.01761  -0.0589   0.7169   0.0329
 -11.500  -0.8297   0.02325   0.01666  -0.0581   0.7100   0.0339
 -11.250  -0.8181   0.02233   0.01571  -0.0571   0.7041   0.0350
 -11.000  -0.8065   0.02143   0.01477  -0.0562   0.6975   0.0363
 -10.750  -0.7940   0.02062   0.01392  -0.0552   0.6910   0.0375
 -10.500  -0.7815   0.01981   0.01309  -0.0542   0.6854   0.0392
 -10.250  -0.7696   0.01899   0.01225  -0.0530   0.6793   0.0410
 -10.000  -0.7569   0.01825   0.01148  -0.0519   0.6728   0.0434
  -9.750  -0.7446   0.01752   0.01072  -0.0507   0.6671   0.0457
  -9.500  -0.7318   0.01682   0.01000  -0.0494   0.6611   0.0491
  -9.250  -0.7202   0.01611   0.00929  -0.0480   0.6547   0.0527
  -9.000  -0.7074   0.01550   0.00865  -0.0465   0.6486   0.0563
  -8.750  -0.6955   0.01487   0.00802  -0.0449   0.6430   0.0609
  -8.500  -0.6844   0.01428   0.00743  -0.0431   0.6374   0.0658
  -8.250  -0.6743   0.01377   0.00689  -0.0409   0.6318   0.0710
  -8.000  -0.6671   0.01336   0.00649  -0.0379   0.6273   0.0769
  -7.750  -0.6522   0.01299   0.00613  -0.0362   0.6224   0.0839
  -7.500  -0.6345   0.01263   0.00579  -0.0350   0.6171   0.0924
  -7.250  -0.6159   0.01228   0.00545  -0.0339   0.6119   0.1036
  -7.000  -0.5959   0.01190   0.00513  -0.0330   0.6078   0.1174
  -6.750  -0.5747   0.01154   0.00483  -0.0322   0.6033   0.1330
  -6.500  -0.5533   0.01116   0.00452  -0.0316   0.5985   0.1517
  -6.250  -0.5322   0.01074   0.00419  -0.0309   0.5937   0.1780
  -6.000  -0.5100   0.01030   0.00387  -0.0304   0.5899   0.2061
  -5.750  -0.4876   0.00983   0.00354  -0.0299   0.5860   0.2409
  -5.500  -0.4653   0.00930   0.00319  -0.0295   0.5818   0.2840
  -5.250  -0.4422   0.00879   0.00286  -0.0292   0.5775   0.3316
  -4.750  -0.3925   0.00797   0.00242  -0.0290   0.5702   0.4323
  -4.500  -0.3636   0.00788   0.00236  -0.0293   0.5666   0.4455
  -4.250  -0.3341   0.00787   0.00230  -0.0297   0.5629   0.4519
  -4.000  -0.3051   0.00781   0.00225  -0.0300   0.5591   0.4583
  -3.750  -0.2759   0.00780   0.00221  -0.0304   0.5553   0.4665
  -3.500  -0.2466   0.00776   0.00217  -0.0308   0.5524   0.4749
  -3.250  -0.2171   0.00773   0.00215  -0.0312   0.5492   0.4835
  -2.750  -0.1578   0.00771   0.00208  -0.0321   0.5424   0.4911
  -2.500  -0.1284   0.00770   0.00205  -0.0325   0.5392   0.4933
  -2.000  -0.0691   0.00768   0.00200  -0.0333   0.5340   0.4978
  -1.750  -0.0393   0.00767   0.00199  -0.0338   0.5318   0.5004
  -1.500  -0.0095   0.00767   0.00197  -0.0342   0.5293   0.5028
  -1.250   0.0203   0.00768   0.00196  -0.0347   0.5268   0.5046
  -1.000   0.0501   0.00769   0.00195  -0.0351   0.5243   0.5059
  -0.750   0.0796   0.00770   0.00194  -0.0355   0.5219   0.5075
  -0.500   0.1091   0.00771   0.00194  -0.0359   0.5194   0.5095
  -0.250   0.1385   0.00772   0.00195  -0.0364   0.5172   0.5117
   0.000   0.1683   0.00771   0.00195  -0.0368   0.5158   0.5139
   0.250   0.1981   0.00771   0.00197  -0.0373   0.5141   0.5162
   0.500   0.2279   0.00772   0.00198  -0.0377   0.5123   0.5182
   0.750   0.2576   0.00773   0.00200  -0.0382   0.5105   0.5202
   1.000   0.2873   0.00776   0.00202  -0.0386   0.5085   0.5222
   1.250   0.3168   0.00779   0.00205  -0.0390   0.5064   0.5239
   1.500   0.3463   0.00782   0.00208  -0.0395   0.5044   0.5258
   1.750   0.3755   0.00785   0.00212  -0.0398   0.5023   0.5286
   2.000   0.4046   0.00789   0.00217  -0.0402   0.4998   0.5312
   2.250   0.4342   0.00791   0.00221  -0.0406   0.4980   0.5340
   2.500   0.4639   0.00792   0.00226  -0.0411   0.4960   0.5367
   2.750   0.4934   0.00795   0.00231  -0.0415   0.4938   0.5395
   3.000   0.5228   0.00799   0.00236  -0.0419   0.4917   0.5420
   3.500   0.5812   0.00806   0.00248  -0.0426   0.4877   0.5478
   3.750   0.6100   0.00812   0.00255  -0.0430   0.4850   0.5512
   4.000   0.6386   0.00818   0.00263  -0.0432   0.4803   0.5547
   4.250   0.6678   0.00820   0.00269  -0.0436   0.4746   0.5582
   4.500   0.6961   0.00828   0.00276  -0.0438   0.4681   0.5615
   4.750   0.7242   0.00836   0.00284  -0.0440   0.4604   0.5651
   5.000   0.7525   0.00841   0.00292  -0.0442   0.4527   0.5695
   5.250   0.7800   0.00851   0.00303  -0.0444   0.4467   0.5739
   5.500   0.8085   0.00857   0.00312  -0.0446   0.4400   0.5780
   5.750   0.8351   0.00872   0.00323  -0.0446   0.4266   0.5816
   6.000   0.8578   0.00903   0.00343  -0.0439   0.3903   0.5856
   6.250   0.8720   0.00976   0.00389  -0.0420   0.3365   0.5901
   6.500   0.8860   0.01046   0.00438  -0.0400   0.2929   0.5946
   6.750   0.9008   0.01104   0.00482  -0.0382   0.2597   0.5988
   7.250   0.9228   0.01218   0.00573  -0.0332   0.2031   0.6075
   7.500   0.9277   0.01271   0.00618  -0.0296   0.1830   0.6125
   7.750   0.9345   0.01332   0.00674  -0.0265   0.1666   0.6174
   8.000   0.9413   0.01401   0.00736  -0.0237   0.1509   0.6216
   8.250   0.9486   0.01474   0.00806  -0.0212   0.1367   0.6270
   8.500   0.9551   0.01557   0.00885  -0.0188   0.1223   0.6327
   8.750   0.9629   0.01643   0.00968  -0.0167   0.1108   0.6380
   9.000   0.9716   0.01731   0.01054  -0.0148   0.1009   0.6429
   9.250   0.9805   0.01821   0.01144  -0.0130   0.0920   0.6490
   9.500   0.9892   0.01919   0.01241  -0.0114   0.0840   0.6550
   9.750   0.9985   0.02019   0.01340  -0.0099   0.0777   0.6605
  10.000   1.0061   0.02130   0.01451  -0.0084   0.0703   0.6663
  10.250   1.0144   0.02243   0.01564  -0.0070   0.0640   0.6728
  10.500   1.0236   0.02354   0.01677  -0.0058   0.0585   0.6794
  10.750   1.0327   0.02470   0.01793  -0.0046   0.0538   0.6858
  11.000   1.0410   0.02592   0.01919  -0.0035   0.0498   0.6927
  11.250   1.0498   0.02715   0.02043  -0.0025   0.0456   0.6999
  11.500   1.0587   0.02841   0.02172  -0.0015   0.0421   0.7064
  11.750   1.0673   0.02972   0.02305  -0.0006   0.0396   0.7136
  12.000   1.0770   0.03099   0.02435   0.0001   0.0370   0.7204
  12.250   1.0855   0.03239   0.02579   0.0009   0.0350   0.7268
  12.500   1.0958   0.03369   0.02713   0.0015   0.0333   0.7345
  12.750   1.1053   0.03509   0.02857   0.0021   0.0319   0.7415
  13.000   1.1142   0.03655   0.03007   0.0026   0.0305   0.7486
  13.250   1.1243   0.03795   0.03153   0.0031   0.0295   0.7568
  13.750   1.1427   0.04097   0.03464   0.0039   0.0273   0.7726
  14.000   1.1515   0.04257   0.03629   0.0042   0.0264   0.7813
  14.250   1.1617   0.04404   0.03783   0.0045   0.0259   0.7901
  14.500   1.1705   0.04569   0.03954   0.0047   0.0250   0.8013
  14.750   1.1795   0.04731   0.04123   0.0050   0.0243   0.8125
  15.000   1.1871   0.04905   0.04304   0.0052   0.0235   0.8267
  15.250   1.1945   0.05081   0.04490   0.0054   0.0230   0.8440
  15.500   1.2030   0.05239   0.04659   0.0058   0.0224   0.8669
  15.750   1.2083   0.05399   0.04840   0.0066   0.0218   0.9193
  16.250   1.2351   0.05804   0.05259   0.0039   0.0207   1.0000
  16.500   1.2411   0.06025   0.05483   0.0036   0.0201   1.0000
  16.750   1.2490   0.06229   0.05691   0.0033   0.0197   1.0000
  17.000   1.2571   0.06432   0.05898   0.0030   0.0193   1.0000
  17.250   1.2638   0.06658   0.06128   0.0026   0.0189   1.0000
  17.500   1.2711   0.06873   0.06347   0.0022   0.0184   1.0000
  17.750   1.2771   0.07108   0.06587   0.0017   0.0180   1.0000
  18.000   1.2821   0.07360   0.06842   0.0011   0.0176   1.0000
  18.250   1.2877   0.07605   0.07090   0.0005   0.0172   1.0000
  18.500   1.2916   0.07878   0.07368  -0.0002   0.0168   1.0000
  18.750   1.2972   0.08130   0.07625  -0.0009   0.0165   1.0000
  19.000   1.3028   0.08382   0.07882  -0.0017   0.0161   1.0000
  19.250   1.3058   0.08676   0.08182  -0.0027   0.0160   1.0000
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