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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 500,000
Max Cl/Cd: 98.48 at α=8.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644421-il-500000.txt
Download as CSV file: xf-naca644421-il-500000.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 =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9765   0.08602   0.08147  -0.0713   1.0000   0.0311
 -19.500  -0.9790   0.08248   0.07784  -0.0728   1.0000   0.0314
 -19.250  -0.9800   0.07922   0.07448  -0.0741   1.0000   0.0317
 -19.000  -0.9799   0.07616   0.07132  -0.0752   1.0000   0.0320
 -18.750  -0.9801   0.07310   0.06815  -0.0763   1.0000   0.0323
 -18.500  -0.9788   0.07028   0.06523  -0.0773   1.0000   0.0326
 -18.250  -0.9781   0.06741   0.06225  -0.0782   1.0000   0.0329
 -18.000  -0.9771   0.06461   0.05933  -0.0792   1.0000   0.0332
 -17.750  -0.9691   0.06289   0.05756  -0.0791   1.0000   0.0336
 -17.500  -0.9588   0.06145   0.05614  -0.0790   1.0000   0.0341
 -17.250  -0.9503   0.05975   0.05443  -0.0791   1.0000   0.0345
 -17.000  -0.9418   0.05802   0.05268  -0.0793   1.0000   0.0349
 -16.750  -0.9336   0.05627   0.05089  -0.0795   1.0000   0.0353
 -16.500  -0.9260   0.05445   0.04903  -0.0797   1.0000   0.0358
 -16.250  -0.9174   0.05279   0.04731  -0.0798   1.0000   0.0362
 -16.000  -0.9088   0.05114   0.04560  -0.0798   1.0000   0.0367
 -15.750  -0.9003   0.04947   0.04386  -0.0799   1.0000   0.0372
 -15.500  -0.8912   0.04791   0.04223  -0.0799   1.0000   0.0376
 -15.250  -0.8805   0.04671   0.04103  -0.0793   1.0000   0.0383
 -15.000  -0.8707   0.04540   0.03975  -0.0789   1.0000   0.0389
 -14.750  -0.8609   0.04403   0.03839  -0.0787   1.0000   0.0395
 -14.500  -0.8513   0.04266   0.03701  -0.0784   1.0000   0.0401
 -14.250  -0.8413   0.04136   0.03569  -0.0781   1.0000   0.0408
 -14.000  -0.8315   0.04010   0.03440  -0.0777   1.0000   0.0414
 -13.750  -0.8171   0.03862   0.03288  -0.0781   0.9848   0.0422
 -13.500  -0.7824   0.03689   0.03111  -0.0830   0.9642   0.0433
 -13.250  -0.7430   0.03505   0.02925  -0.0892   0.9485   0.0447
 -13.000  -0.7029   0.03345   0.02757  -0.0950   0.9298   0.0462
 -12.750  -0.6754   0.03223   0.02619  -0.0978   0.9063   0.0477
 -12.500  -0.6642   0.03101   0.02486  -0.0976   0.8856   0.0488
 -12.250  -0.6568   0.02982   0.02361  -0.0967   0.8692   0.0499
 -12.000  -0.6474   0.02879   0.02250  -0.0958   0.8559   0.0513
 -11.750  -0.6376   0.02782   0.02143  -0.0948   0.8442   0.0526
 -11.500  -0.6264   0.02691   0.02044  -0.0939   0.8337   0.0539
 -11.250  -0.6223   0.02564   0.01911  -0.0925   0.8235   0.0556
 -11.000  -0.6132   0.02462   0.01808  -0.0915   0.8142   0.0576
 -10.750  -0.6027   0.02374   0.01711  -0.0904   0.8050   0.0596
 -10.500  -0.5956   0.02264   0.01598  -0.0891   0.7965   0.0620
 -10.250  -0.5874   0.02165   0.01496  -0.0877   0.7880   0.0650
 -10.000  -0.5769   0.02081   0.01405  -0.0865   0.7804   0.0681
  -9.750  -0.5708   0.01973   0.01299  -0.0849   0.7724   0.0723
  -9.500  -0.5617   0.01887   0.01207  -0.0834   0.7651   0.0770
  -9.250  -0.5540   0.01795   0.01115  -0.0818   0.7581   0.0835
  -9.000  -0.5476   0.01702   0.01024  -0.0799   0.7507   0.0908
  -8.750  -0.5414   0.01617   0.00937  -0.0777   0.7438   0.0997
  -8.500  -0.5373   0.01536   0.00859  -0.0752   0.7372   0.1103
  -8.250  -0.5358   0.01472   0.00797  -0.0719   0.7302   0.1223
  -8.000  -0.5258   0.01410   0.00739  -0.0699   0.7240   0.1410
  -7.750  -0.5131   0.01346   0.00685  -0.0683   0.7180   0.1656
  -7.500  -0.4993   0.01273   0.00628  -0.0669   0.7118   0.2003
  -7.250  -0.4847   0.01194   0.00568  -0.0656   0.7060   0.2475
  -7.000  -0.4695   0.01104   0.00504  -0.0645   0.7004   0.3134
  -6.750  -0.4511   0.01022   0.00457  -0.0639   0.6947   0.3857
  -6.500  -0.4254   0.01001   0.00447  -0.0638   0.6888   0.4344
  -6.250  -0.3974   0.01000   0.00438  -0.0640   0.6833   0.4540
  -6.000  -0.3692   0.00996   0.00434  -0.0642   0.6779   0.4674
  -5.750  -0.3406   0.00994   0.00429  -0.0644   0.6723   0.4776
  -5.500  -0.3118   0.00997   0.00424  -0.0647   0.6670   0.4869
  -5.250  -0.2830   0.01001   0.00419  -0.0649   0.6619   0.4944
  -5.000  -0.2540   0.01005   0.00424  -0.0652   0.6571   0.5031
  -4.750  -0.2249   0.01010   0.00420  -0.0655   0.6520   0.5106
  -4.500  -0.1961   0.01011   0.00420  -0.0657   0.6472   0.5162
  -4.250  -0.1669   0.01019   0.00421  -0.0660   0.6425   0.5215
  -4.000  -0.1376   0.01023   0.00420  -0.0663   0.6381   0.5268
  -3.750  -0.1086   0.01024   0.00422  -0.0666   0.6335   0.5336
  -3.500  -0.0795   0.01040   0.00437  -0.0667   0.6292   0.5414
  -3.250  -0.0502   0.01057   0.00442  -0.0671   0.6249   0.5471
  -3.000  -0.0211   0.01048   0.00433  -0.0674   0.6211   0.5504
  -2.750   0.0081   0.01042   0.00428  -0.0678   0.6171   0.5528
  -2.500   0.0374   0.01040   0.00424  -0.0681   0.6132   0.5550
  -2.250   0.0667   0.01041   0.00420  -0.0685   0.6096   0.5572
  -2.000   0.0962   0.01046   0.00418  -0.0689   0.6058   0.5595
  -1.750   0.1256   0.01045   0.00416  -0.0694   0.6025   0.5619
  -1.500   0.1550   0.01045   0.00414  -0.0698   0.5990   0.5645
  -1.250   0.1845   0.01047   0.00411  -0.0702   0.5956   0.5667
  -1.000   0.2138   0.01043   0.00405  -0.0707   0.5925   0.5689
  -0.750   0.2430   0.01041   0.00401  -0.0711   0.5896   0.5713
  -0.500   0.2726   0.01049   0.00405  -0.0715   0.5864   0.5734
  -0.250   0.3018   0.01049   0.00407  -0.0719   0.5841   0.5755
   0.000   0.3311   0.01050   0.00410  -0.0723   0.5816   0.5777
   0.250   0.3605   0.01052   0.00413  -0.0728   0.5790   0.5801
   0.500   0.3900   0.01055   0.00415  -0.0732   0.5765   0.5825
   0.750   0.4195   0.01060   0.00418  -0.0737   0.5742   0.5851
   1.000   0.4492   0.01067   0.00421  -0.0742   0.5719   0.5874
   1.250   0.4784   0.01069   0.00424  -0.0746   0.5695   0.5904
   1.500   0.5079   0.01079   0.00435  -0.0751   0.5669   0.5932
   1.750   0.5368   0.01082   0.00444  -0.0755   0.5652   0.5960
   2.000   0.5659   0.01088   0.00453  -0.0759   0.5633   0.5990
   2.250   0.5950   0.01094   0.00462  -0.0763   0.5612   0.6022
   2.500   0.6242   0.01100   0.00469  -0.0767   0.5588   0.6054
   2.750   0.6533   0.01104   0.00474  -0.0771   0.5562   0.6086
   3.000   0.6822   0.01107   0.00481  -0.0774   0.5537   0.6123
   3.250   0.7114   0.01116   0.00492  -0.0779   0.5515   0.6159
   3.500   0.7413   0.01136   0.00511  -0.0784   0.5490   0.6199
   3.750   0.7698   0.01144   0.00525  -0.0788   0.5473   0.6240
   4.000   0.7982   0.01153   0.00538  -0.0791   0.5453   0.6277
   4.250   0.8263   0.01157   0.00552  -0.0793   0.5431   0.6325
   4.500   0.8546   0.01164   0.00567  -0.0795   0.5409   0.6371
   4.750   0.8831   0.01172   0.00578  -0.0798   0.5383   0.6421
   5.000   0.9118   0.01177   0.00582  -0.0801   0.5347   0.6469
   5.250   0.9405   0.01191   0.00595  -0.0805   0.5300   0.6518
   5.500   0.9660   0.01188   0.00606  -0.0802   0.5261   0.6569
   5.750   0.9923   0.01186   0.00609  -0.0800   0.5208   0.6623
   6.000   1.0192   0.01188   0.00607  -0.0799   0.5147   0.6677
   6.250   1.0456   0.01195   0.00622  -0.0798   0.5101   0.6731
   6.500   1.0708   0.01199   0.00637  -0.0795   0.5057   0.6788
   6.750   1.0966   0.01204   0.00647  -0.0793   0.5010   0.6848
   7.000   1.1230   0.01214   0.00654  -0.0791   0.4951   0.6906
   7.250   1.1448   0.01214   0.00669  -0.0782   0.4879   0.6965
   7.500   1.1672   0.01220   0.00677  -0.0773   0.4797   0.7029
   7.750   1.1902   0.01233   0.00694  -0.0767   0.4729   0.7093
   8.000   1.2116   0.01240   0.00712  -0.0757   0.4652   0.7155
   8.250   1.2315   0.01255   0.00730  -0.0744   0.4568   0.7221
   8.500   1.2507   0.01270   0.00751  -0.0731   0.4466   0.7291
   8.750   1.2649   0.01285   0.00774  -0.0708   0.4347   0.7358
   9.000   1.2740   0.01311   0.00803  -0.0677   0.4181   0.7433
   9.250   1.2759   0.01367   0.00850  -0.0637   0.3927   0.7512
   9.500   1.2687   0.01461   0.00936  -0.0586   0.3631   0.7589
   9.750   1.2597   0.01591   0.01053  -0.0538   0.3351   0.7676
  10.000   1.2494   0.01746   0.01199  -0.0494   0.3077   0.7758
  10.250   1.2399   0.01920   0.01364  -0.0455   0.2796   0.7848
  10.500   1.2297   0.02117   0.01552  -0.0419   0.2545   0.7937
  10.750   1.2206   0.02323   0.01751  -0.0388   0.2308   0.8033
  11.000   1.2114   0.02547   0.01968  -0.0360   0.2098   0.8129
  11.250   1.2049   0.02764   0.02182  -0.0336   0.1909   0.8235
  11.500   1.1993   0.02985   0.02400  -0.0315   0.1727   0.8343
  11.750   1.1954   0.03206   0.02619  -0.0297   0.1569   0.8468
  12.000   1.1903   0.03437   0.02849  -0.0279   0.1411   0.8607
  12.250   1.1871   0.03657   0.03071  -0.0263   0.1276   0.8779
  12.500   1.1851   0.03858   0.03276  -0.0245   0.1175   0.9035
  12.750   1.1881   0.04084   0.03508  -0.0245   0.1056   0.9889
  13.000   1.1897   0.04316   0.03735  -0.0239   0.0961   1.0000
  13.250   1.1926   0.04551   0.03966  -0.0236   0.0878   1.0000
  13.500   1.1965   0.04782   0.04194  -0.0234   0.0801   1.0000
  13.750   1.2011   0.05006   0.04416  -0.0233   0.0728   1.0000
  14.000   1.2052   0.05243   0.04652  -0.0232   0.0670   1.0000
  14.250   1.2092   0.05483   0.04890  -0.0231   0.0613   1.0000
  14.500   1.2126   0.05733   0.05138  -0.0232   0.0567   1.0000
  14.750   1.2183   0.05964   0.05371  -0.0233   0.0527   1.0000
  15.000   1.2212   0.06229   0.05635  -0.0234   0.0496   1.0000
  15.250   1.2276   0.06460   0.05870  -0.0236   0.0468   1.0000
  15.500   1.2301   0.06736   0.06146  -0.0239   0.0446   1.0000
  15.750   1.2362   0.06978   0.06393  -0.0242   0.0425   1.0000
  16.000   1.2410   0.07236   0.06653  -0.0246   0.0406   1.0000
  16.250   1.2421   0.07544   0.06963  -0.0251   0.0390   1.0000
  16.500   1.2490   0.07786   0.07211  -0.0256   0.0375   1.0000
  16.750   1.2534   0.08058   0.07487  -0.0261   0.0361   1.0000
  17.000   1.2540   0.08386   0.07816  -0.0268   0.0349   1.0000
  17.250   1.2584   0.08666   0.08102  -0.0275   0.0339   1.0000
  17.500   1.2629   0.08951   0.08394  -0.0282   0.0327   1.0000
  17.750   1.2667   0.09247   0.08694  -0.0291   0.0317   1.0000
  18.000   1.2669   0.09590   0.09039  -0.0301   0.0308   1.0000
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