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NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-221 (naca644221-il)
Reynolds number: 1,000,000
Max Cl/Cd: 111.42 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644221-il-1000000.txt
Download as CSV file: xf-naca644221-il-1000000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1081   0.08513   0.08081  -0.0460   1.0000   0.0234
 -19.500  -1.1077   0.08209   0.07773  -0.0470   1.0000   0.0236
 -19.250  -1.1073   0.07904   0.07462  -0.0480   1.0000   0.0238
 -19.000  -1.1049   0.07632   0.07186  -0.0488   1.0000   0.0241
 -18.750  -1.1033   0.07352   0.06901  -0.0495   1.0000   0.0243
 -18.500  -1.0991   0.07110   0.06653  -0.0502   1.0000   0.0245
 -18.250  -1.0950   0.06861   0.06400  -0.0508   1.0000   0.0248
 -18.000  -1.0916   0.06613   0.06146  -0.0514   1.0000   0.0251
 -17.750  -1.0857   0.06393   0.05921  -0.0518   1.0000   0.0254
 -17.500  -1.0803   0.06169   0.05692  -0.0523   1.0000   0.0257
 -17.250  -1.0741   0.05960   0.05478  -0.0526   1.0000   0.0258
 -17.000  -1.0696   0.05734   0.05246  -0.0530   1.0000   0.0262
 -16.750  -1.0683   0.05479   0.04988  -0.0533   1.0000   0.0265
 -16.500  -1.0655   0.05244   0.04750  -0.0535   1.0000   0.0270
 -16.250  -1.0594   0.05043   0.04546  -0.0537   1.0000   0.0273
 -16.000  -1.0514   0.04863   0.04364  -0.0538   1.0000   0.0278
 -15.750  -1.0439   0.04678   0.04175  -0.0540   1.0000   0.0283
 -15.500  -1.0350   0.04512   0.04006  -0.0540   1.0000   0.0287
 -15.250  -1.0254   0.04353   0.03843  -0.0541   1.0000   0.0293
 -15.000  -1.0163   0.04191   0.03677  -0.0541   1.0000   0.0296
 -14.750  -1.0073   0.04031   0.03514  -0.0540   1.0000   0.0301
 -14.500  -1.0037   0.03827   0.03307  -0.0538   1.0000   0.0307
 -14.250  -0.9719   0.03618   0.03095  -0.0589   0.9576   0.0316
 -14.000  -0.9235   0.03429   0.02895  -0.0668   0.9303   0.0328
 -13.750  -0.9055   0.03311   0.02759  -0.0678   0.8908   0.0336
 -13.500  -0.8967   0.03200   0.02633  -0.0668   0.8670   0.0342
 -13.250  -0.8924   0.03053   0.02478  -0.0658   0.8494   0.0350
 -13.000  -0.8846   0.02927   0.02346  -0.0649   0.8367   0.0360
 -12.750  -0.8758   0.02814   0.02227  -0.0640   0.8250   0.0369
 -12.500  -0.8656   0.02710   0.02115  -0.0632   0.8142   0.0379
 -12.250  -0.8545   0.02612   0.02010  -0.0623   0.8048   0.0388
 -12.000  -0.8478   0.02488   0.01882  -0.0612   0.7953   0.0402
 -11.750  -0.8385   0.02384   0.01774  -0.0601   0.7868   0.0417
 -11.500  -0.8272   0.02290   0.01675  -0.0592   0.7784   0.0433
 -11.250  -0.8183   0.02190   0.01569  -0.0580   0.7698   0.0451
 -11.000  -0.8080   0.02092   0.01470  -0.0569   0.7626   0.0471
 -10.750  -0.7963   0.02008   0.01381  -0.0558   0.7548   0.0493
 -10.500  -0.7882   0.01909   0.01281  -0.0543   0.7473   0.0528
 -10.250  -0.7769   0.01825   0.01195  -0.0531   0.7404   0.0562
 -10.000  -0.7678   0.01738   0.01106  -0.0515   0.7329   0.0611
  -9.750  -0.7584   0.01654   0.01022  -0.0499   0.7261   0.0662
  -9.500  -0.7487   0.01575   0.00943  -0.0483   0.7192   0.0725
  -9.250  -0.7388   0.01504   0.00870  -0.0465   0.7120   0.0792
  -9.000  -0.7296   0.01434   0.00801  -0.0445   0.7056   0.0867
  -8.750  -0.7227   0.01364   0.00733  -0.0420   0.6989   0.0952
  -8.500  -0.7188   0.01309   0.00678  -0.0387   0.6923   0.1039
  -8.250  -0.7099   0.01264   0.00636  -0.0361   0.6864   0.1160
  -8.000  -0.6954   0.01215   0.00593  -0.0344   0.6807   0.1327
  -7.750  -0.6800   0.01163   0.00550  -0.0328   0.6746   0.1537
  -7.500  -0.6627   0.01115   0.00509  -0.0316   0.6686   0.1789
  -7.250  -0.6453   0.01053   0.00464  -0.0304   0.6636   0.2131
  -7.000  -0.6281   0.00984   0.00416  -0.0292   0.6579   0.2590
  -6.750  -0.6100   0.00913   0.00367  -0.0282   0.6521   0.3141
  -6.500  -0.5897   0.00847   0.00325  -0.0275   0.6471   0.3688
  -6.250  -0.5659   0.00803   0.00303  -0.0272   0.6420   0.4215
  -6.000  -0.5378   0.00793   0.00294  -0.0274   0.6366   0.4405
  -5.750  -0.5089   0.00793   0.00286  -0.0277   0.6307   0.4513
  -5.500  -0.4802   0.00783   0.00280  -0.0280   0.6266   0.4604
  -5.250  -0.4507   0.00782   0.00274  -0.0284   0.6216   0.4675
  -5.000  -0.4217   0.00778   0.00267  -0.0287   0.6166   0.4745
  -4.750  -0.3929   0.00779   0.00264  -0.0290   0.6110   0.4823
  -4.500  -0.3628   0.00780   0.00261  -0.0295   0.6075   0.4872
  -4.250  -0.3335   0.00774   0.00254  -0.0299   0.6031   0.4917
  -4.000  -0.3043   0.00771   0.00250  -0.0302   0.5985   0.4960
  -3.750  -0.2750   0.00775   0.00249  -0.0306   0.5935   0.5013
  -3.500  -0.2450   0.00781   0.00249  -0.0311   0.5898   0.5062
  -3.250  -0.2157   0.00774   0.00246  -0.0314   0.5860   0.5132
  -3.000  -0.1861   0.00776   0.00247  -0.0318   0.5819   0.5180
  -2.750  -0.1565   0.00777   0.00244  -0.0322   0.5780   0.5204
  -2.500  -0.1271   0.00781   0.00241  -0.0326   0.5735   0.5222
  -2.250  -0.0971   0.00780   0.00238  -0.0331   0.5709   0.5238
  -2.000  -0.0671   0.00780   0.00236  -0.0336   0.5680   0.5250
  -1.750  -0.0375   0.00773   0.00230  -0.0341   0.5649   0.5278
  -1.500  -0.0081   0.00771   0.00227  -0.0345   0.5618   0.5308
  -1.250   0.0214   0.00772   0.00227  -0.0349   0.5586   0.5334
  -1.000   0.0507   0.00777   0.00228  -0.0352   0.5548   0.5357
  -0.750   0.0806   0.00776   0.00228  -0.0357   0.5528   0.5376
  -0.500   0.1106   0.00776   0.00228  -0.0362   0.5507   0.5394
  -0.250   0.1405   0.00776   0.00228  -0.0367   0.5485   0.5412
   0.000   0.1704   0.00778   0.00228  -0.0372   0.5462   0.5428
   0.250   0.2001   0.00780   0.00228  -0.0376   0.5438   0.5445
   0.500   0.2294   0.00778   0.00228  -0.0380   0.5414   0.5480
   0.750   0.2587   0.00781   0.00231  -0.0384   0.5387   0.5508
   1.000   0.2880   0.00788   0.00237  -0.0388   0.5357   0.5533
   1.250   0.3178   0.00788   0.00240  -0.0393   0.5345   0.5559
   1.500   0.3477   0.00790   0.00243  -0.0398   0.5329   0.5585
   1.750   0.3775   0.00792   0.00247  -0.0402   0.5310   0.5609
   2.000   0.4072   0.00795   0.00250  -0.0407   0.5287   0.5630
   2.250   0.4366   0.00794   0.00252  -0.0411   0.5263   0.5669
   2.500   0.4659   0.00796   0.00257  -0.0415   0.5239   0.5705
   2.750   0.4952   0.00801   0.00263  -0.0419   0.5217   0.5740
   3.000   0.5244   0.00809   0.00271  -0.0423   0.5192   0.5774
   3.250   0.5539   0.00818   0.00280  -0.0427   0.5171   0.5806
   3.500   0.5834   0.00820   0.00286  -0.0431   0.5158   0.5839
   3.750   0.6127   0.00819   0.00292  -0.0435   0.5136   0.5886
   4.000   0.6418   0.00818   0.00295  -0.0439   0.5098   0.5929
   4.250   0.6706   0.00821   0.00299  -0.0442   0.5049   0.5971
   4.500   0.6988   0.00834   0.00308  -0.0444   0.4993   0.6008
   4.750   0.7278   0.00829   0.00311  -0.0447   0.4950   0.6056
   5.000   0.7566   0.00829   0.00317  -0.0450   0.4903   0.6109
   5.250   0.7850   0.00836   0.00325  -0.0452   0.4864   0.6160
   5.500   0.8127   0.00849   0.00336  -0.0454   0.4813   0.6204
   5.750   0.8416   0.00847   0.00343  -0.0457   0.4769   0.6256
   6.000   0.8695   0.00851   0.00350  -0.0458   0.4698   0.6311
   6.250   0.8965   0.00861   0.00361  -0.0458   0.4621   0.6365
   6.500   0.9249   0.00867   0.00371  -0.0461   0.4555   0.6411
   6.750   0.9512   0.00877   0.00383  -0.0460   0.4471   0.6471
   7.000   0.9786   0.00885   0.00395  -0.0460   0.4366   0.6530
   7.250   1.0039   0.00901   0.00409  -0.0458   0.4206   0.6586
   7.500   1.0239   0.00938   0.00433  -0.0447   0.3861   0.6639
   7.750   1.0355   0.01008   0.00483  -0.0423   0.3427   0.6701
   8.000   1.0439   0.01084   0.00541  -0.0394   0.3004   0.6762
   8.250   1.0472   0.01161   0.00598  -0.0356   0.2639   0.6815
   8.500   1.0455   0.01231   0.00659  -0.0310   0.2358   0.6882
   8.750   1.0437   0.01319   0.00737  -0.0267   0.2110   0.6949
   9.000   1.0447   0.01412   0.00820  -0.0232   0.1883   0.7011
   9.250   1.0450   0.01515   0.00917  -0.0200   0.1678   0.7080
   9.500   1.0465   0.01626   0.01022  -0.0171   0.1504   0.7151
   9.750   1.0493   0.01742   0.01132  -0.0146   0.1340   0.7218
  10.000   1.0525   0.01862   0.01249  -0.0123   0.1197   0.7291
  10.250   1.0565   0.01986   0.01370  -0.0103   0.1078   0.7367
  11.000   1.0727   0.02370   0.01753  -0.0054   0.0819   0.7604
  11.250   1.0790   0.02501   0.01885  -0.0040   0.0749   0.7686
  11.500   1.0849   0.02638   0.02023  -0.0027   0.0685   0.7777
  11.750   1.0902   0.02785   0.02171  -0.0015   0.0629   0.7860
  12.000   1.0961   0.02928   0.02317  -0.0003   0.0574   0.7956
  12.250   1.1034   0.03070   0.02461   0.0006   0.0529   0.8049
  12.500   1.1090   0.03225   0.02621   0.0016   0.0488   0.8156
  12.750   1.1159   0.03375   0.02774   0.0025   0.0455   0.8264
  13.000   1.1230   0.03527   0.02932   0.0033   0.0429   0.8390
  13.250   1.1296   0.03681   0.03091   0.0041   0.0405   0.8534
  13.500   1.1355   0.03840   0.03259   0.0050   0.0385   0.8719
  13.750   1.1420   0.03977   0.03409   0.0061   0.0369   0.9027
  14.000   1.1604   0.04183   0.03630   0.0035   0.0348   0.9824
  14.250   1.1683   0.04332   0.03782   0.0042   0.0339   1.0000
  14.500   1.1768   0.04508   0.03960   0.0043   0.0325   1.0000
  14.750   1.1845   0.04692   0.04146   0.0044   0.0316   1.0000
  15.000   1.1899   0.04900   0.04356   0.0045   0.0304   1.0000
  15.250   1.1994   0.05075   0.04535   0.0045   0.0296   1.0000
  15.500   1.2082   0.05257   0.04720   0.0044   0.0287   1.0000
  15.750   1.2141   0.05471   0.04937   0.0043   0.0278   1.0000
  16.000   1.2198   0.05691   0.05159   0.0042   0.0272   1.0000
  16.250   1.2245   0.05924   0.05396   0.0040   0.0264   1.0000
  16.500   1.2329   0.06122   0.05599   0.0038   0.0257   1.0000
  16.750   1.2411   0.06324   0.05804   0.0035   0.0251   1.0000
  17.000   1.2462   0.06565   0.06049   0.0031   0.0245   1.0000
  17.250   1.2511   0.06810   0.06298   0.0026   0.0240   1.0000
  17.500   1.2507   0.07119   0.06611   0.0021   0.0232   1.0000
  17.750   1.2573   0.07353   0.06849   0.0015   0.0228   1.0000
  18.000   1.2633   0.07595   0.07097   0.0010   0.0224   1.0000
  18.250   1.2683   0.07857   0.07364   0.0002   0.0219   1.0000
  18.500   1.2740   0.08108   0.07620  -0.0005   0.0214   1.0000
  18.750   1.2769   0.08398   0.07915  -0.0013   0.0210   1.0000
  19.000   1.2783   0.08714   0.08235  -0.0023   0.0206   1.0000
  19.250   1.2781   0.09056   0.08582  -0.0034   0.0202   1.0000
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