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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 200,000
Max Cl/Cd: 62.6 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644421-il-200000-n5.txt
Download as CSV file: xf-naca644421-il-200000-n5.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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.8404   0.10657   0.10102  -0.0627   1.0000   0.0331
 -19.500  -0.8588   0.09987   0.09408  -0.0664   1.0000   0.0333
 -19.250  -0.8568   0.09677   0.09097  -0.0679   1.0000   0.0336
 -19.000  -0.8557   0.09354   0.08770  -0.0695   1.0000   0.0340
 -18.750  -0.8563   0.09008   0.08418  -0.0711   1.0000   0.0343
 -18.500  -0.8577   0.08654   0.08054  -0.0727   1.0000   0.0346
 -18.250  -0.8587   0.08310   0.07703  -0.0743   1.0000   0.0351
 -18.000  -0.8599   0.07974   0.07356  -0.0757   1.0000   0.0355
 -17.750  -0.8600   0.07658   0.07028  -0.0769   1.0000   0.0359
 -17.500  -0.8594   0.07355   0.06714  -0.0779   1.0000   0.0364
 -17.250  -0.8574   0.07077   0.06423  -0.0788   1.0000   0.0368
 -17.000  -0.8547   0.06814   0.06147  -0.0795   1.0000   0.0373
 -16.750  -0.8507   0.06572   0.05891  -0.0800   1.0000   0.0377
 -16.500  -0.8427   0.06389   0.05709  -0.0803   1.0000   0.0382
 -16.250  -0.8354   0.06199   0.05518  -0.0806   1.0000   0.0387
 -16.000  -0.8283   0.06008   0.05325  -0.0809   1.0000   0.0393
 -15.750  -0.8209   0.05824   0.05137  -0.0811   1.0000   0.0399
 -15.500  -0.8137   0.05641   0.04949  -0.0813   1.0000   0.0406
 -15.250  -0.8054   0.05472   0.04774  -0.0813   1.0000   0.0414
 -15.000  -0.7971   0.05306   0.04599  -0.0813   1.0000   0.0422
 -14.750  -0.7880   0.05155   0.04443  -0.0811   1.0000   0.0428
 -14.500  -0.7795   0.05007   0.04297  -0.0809   1.0000   0.0435
 -14.250  -0.7711   0.04860   0.04151  -0.0807   1.0000   0.0442
 -14.000  -0.7628   0.04717   0.04008  -0.0804   1.0000   0.0450
 -13.750  -0.7547   0.04580   0.03868  -0.0800   1.0000   0.0460
 -13.500  -0.7343   0.04415   0.03697  -0.0818   0.9725   0.0473
 -13.250  -0.7067   0.04242   0.03517  -0.0855   0.9493   0.0487
 -13.000  -0.6793   0.04065   0.03335  -0.0893   0.9309   0.0503
 -12.750  -0.6539   0.03911   0.03170  -0.0922   0.9131   0.0520
 -12.500  -0.6326   0.03780   0.03025  -0.0939   0.8958   0.0538
 -12.250  -0.6180   0.03637   0.02878  -0.0947   0.8801   0.0554
 -12.000  -0.6044   0.03513   0.02746  -0.0950   0.8659   0.0573
 -11.750  -0.5919   0.03402   0.02626  -0.0947   0.8533   0.0596
 -11.500  -0.5819   0.03285   0.02502  -0.0942   0.8417   0.0616
 -11.250  -0.5727   0.03171   0.02384  -0.0935   0.8305   0.0640
 -11.000  -0.5620   0.03068   0.02271  -0.0928   0.8209   0.0668
 -10.750  -0.5534   0.02957   0.02158  -0.0919   0.8107   0.0695
 -10.500  -0.5445   0.02852   0.02046  -0.0909   0.8021   0.0731
 -10.250  -0.5352   0.02750   0.01940  -0.0899   0.7931   0.0770
 -10.000  -0.5269   0.02647   0.01833  -0.0887   0.7846   0.0818
  -9.750  -0.5182   0.02546   0.01729  -0.0876   0.7769   0.0870
  -9.500  -0.5095   0.02449   0.01629  -0.0864   0.7688   0.0932
  -9.250  -0.5021   0.02348   0.01526  -0.0850   0.7621   0.1006
  -9.000  -0.4942   0.02251   0.01430  -0.0836   0.7546   0.1091
  -8.750  -0.4869   0.02156   0.01335  -0.0820   0.7475   0.1195
  -8.500  -0.4807   0.02062   0.01239  -0.0802   0.7413   0.1316
  -8.250  -0.4760   0.01966   0.01149  -0.0782   0.7339   0.1458
  -8.000  -0.4745   0.01879   0.01064  -0.0754   0.7270   0.1618
  -7.750  -0.4742   0.01803   0.00990  -0.0723   0.7212   0.1807
  -7.500  -0.4678   0.01726   0.00925  -0.0701   0.7143   0.2078
  -7.000  -0.4509   0.01555   0.00788  -0.0661   0.7028   0.2939
  -6.750  -0.4380   0.01480   0.00744  -0.0646   0.6971   0.3539
  -6.500  -0.4182   0.01451   0.00742  -0.0637   0.6914   0.4113
  -6.250  -0.3930   0.01445   0.00733  -0.0634   0.6862   0.4424
  -6.000  -0.3667   0.01444   0.00722  -0.0633   0.6818   0.4616
  -5.750  -0.3402   0.01443   0.00716  -0.0632   0.6763   0.4758
  -5.500  -0.3132   0.01444   0.00710  -0.0632   0.6711   0.4875
  -5.250  -0.2857   0.01447   0.00706  -0.0632   0.6664   0.4962
  -5.000  -0.2580   0.01450   0.00696  -0.0632   0.6624   0.5051
  -4.750  -0.2305   0.01455   0.00699  -0.0632   0.6574   0.5137
  -4.500  -0.2030   0.01468   0.00708  -0.0632   0.6524   0.5248
  -4.250  -0.1751   0.01482   0.00720  -0.0630   0.6478   0.5340
  -4.000  -0.1470   0.01492   0.00721  -0.0631   0.6439   0.5410
  -3.750  -0.1191   0.01486   0.00706  -0.0633   0.6393   0.5455
  -3.500  -0.0911   0.01478   0.00690  -0.0636   0.6347   0.5486
  -3.250  -0.0629   0.01473   0.00683  -0.0637   0.6306   0.5509
  -3.000  -0.0345   0.01471   0.00674  -0.0639   0.6270   0.5533
  -2.750  -0.0058   0.01469   0.00664  -0.0642   0.6239   0.5559
  -2.500   0.0222   0.01466   0.00660  -0.0644   0.6199   0.5588
  -2.250   0.0505   0.01463   0.00652  -0.0647   0.6161   0.5620
  -2.000   0.0790   0.01460   0.00641  -0.0651   0.6125   0.5652
  -1.750   0.1077   0.01456   0.00628  -0.0654   0.6093   0.5677
  -1.500   0.1363   0.01455   0.00624  -0.0657   0.6066   0.5698
  -1.250   0.1648   0.01456   0.00623  -0.0659   0.6037   0.5720
  -1.000   0.1928   0.01456   0.00626  -0.0661   0.6004   0.5741
  -0.750   0.2210   0.01457   0.00626  -0.0664   0.5971   0.5764
  -0.500   0.2494   0.01458   0.00625  -0.0667   0.5939   0.5788
  -0.250   0.2780   0.01459   0.00622  -0.0670   0.5909   0.5816
   0.000   0.3071   0.01461   0.00617  -0.0675   0.5883   0.5846
   0.250   0.3365   0.01466   0.00614  -0.0680   0.5861   0.5875
   0.500   0.3640   0.01470   0.00625  -0.0681   0.5834   0.5896
   0.750   0.3917   0.01475   0.00636  -0.0683   0.5807   0.5919
   1.000   0.4197   0.01482   0.00646  -0.0685   0.5780   0.5945
   1.250   0.4478   0.01488   0.00654  -0.0687   0.5756   0.5973
   1.500   0.4762   0.01495   0.00662  -0.0691   0.5733   0.6004
   1.750   0.5050   0.01503   0.00668  -0.0694   0.5712   0.6036
   2.000   0.5343   0.01511   0.00672  -0.0699   0.5691   0.6069
   2.250   0.5630   0.01520   0.00683  -0.0702   0.5670   0.6096
   2.500   0.5895   0.01532   0.00705  -0.0702   0.5645   0.6126
   2.750   0.6165   0.01545   0.00726  -0.0703   0.5621   0.6161
   3.000   0.6438   0.01558   0.00746  -0.0705   0.5597   0.6201
   3.250   0.6715   0.01571   0.00761  -0.0707   0.5571   0.6244
   3.500   0.6994   0.01581   0.00774  -0.0709   0.5546   0.6283
   3.750   0.7272   0.01591   0.00789  -0.0711   0.5521   0.6316
   4.000   0.7560   0.01602   0.00803  -0.0714   0.5498   0.6354
   4.250   0.7831   0.01618   0.00825  -0.0715   0.5474   0.6397
   4.500   0.8084   0.01637   0.00854  -0.0714   0.5446   0.6443
   4.750   0.8343   0.01655   0.00880  -0.0713   0.5417   0.6488
   5.000   0.8600   0.01671   0.00907  -0.0712   0.5390   0.6528
   5.250   0.8866   0.01686   0.00930  -0.0712   0.5363   0.6573
   5.500   0.9143   0.01699   0.00948  -0.0713   0.5337   0.6625
   5.750   0.9437   0.01712   0.00961  -0.0718   0.5312   0.6680
   6.000   0.9659   0.01731   0.00995  -0.0711   0.5269   0.6724
   6.250   0.9874   0.01742   0.01019  -0.0702   0.5210   0.6777
   6.500   1.0132   0.01743   0.01024  -0.0699   0.5155   0.6838
   6.750   1.0380   0.01751   0.01035  -0.0695   0.5098   0.6900
   7.000   1.0554   0.01762   0.01061  -0.0679   0.5017   0.6953
   7.250   1.0811   0.01757   0.01054  -0.0675   0.4943   0.7014
   7.500   1.0958   0.01781   0.01094  -0.0656   0.4866   0.7081
   7.750   1.1155   0.01792   0.01112  -0.0643   0.4797   0.7137
   8.000   1.1330   0.01810   0.01141  -0.0628   0.4726   0.7199
   8.250   1.1457   0.01833   0.01173  -0.0605   0.4642   0.7269
   8.500   1.1568   0.01853   0.01200  -0.0579   0.4552   0.7334
   8.750   1.1634   0.01889   0.01245  -0.0547   0.4436   0.7402
   9.000   1.1682   0.01943   0.01307  -0.0516   0.4291   0.7482
   9.250   1.1711   0.02006   0.01375  -0.0484   0.4099   0.7555
   9.500   1.1709   0.02091   0.01456  -0.0450   0.3839   0.7639
   9.750   1.1653   0.02216   0.01567  -0.0413   0.3574   0.7726
  10.000   1.1570   0.02376   0.01718  -0.0377   0.3313   0.7813
  10.250   1.1480   0.02567   0.01898  -0.0346   0.3063   0.7909
  10.500   1.1386   0.02772   0.02098  -0.0316   0.2816   0.8000
  10.750   1.1289   0.03006   0.02322  -0.0291   0.2586   0.8102
  11.000   1.1209   0.03236   0.02548  -0.0269   0.2377   0.8204
  11.250   1.1141   0.03475   0.02783  -0.0250   0.2180   0.8317
  11.500   1.1087   0.03715   0.03019  -0.0234   0.2002   0.8441
  11.750   1.1052   0.03945   0.03249  -0.0219   0.1846   0.8579
  12.000   1.1014   0.04182   0.03485  -0.0206   0.1691   0.8749
  12.250   1.0990   0.04410   0.03715  -0.0193   0.1552   0.8987
  12.500   1.0987   0.04635   0.03944  -0.0187   0.1419   0.9550
  13.000   1.1022   0.05118   0.04418  -0.0183   0.1193   1.0000
  13.250   1.1052   0.05368   0.04663  -0.0183   0.1095   1.0000
  13.500   1.1099   0.05606   0.04900  -0.0184   0.1006   1.0000
  13.750   1.1149   0.05843   0.05136  -0.0186   0.0928   1.0000
  14.000   1.1191   0.06093   0.05385  -0.0187   0.0860   1.0000
  14.250   1.1236   0.06345   0.05635  -0.0190   0.0795   1.0000
  14.500   1.1292   0.06586   0.05878  -0.0193   0.0737   1.0000
  14.750   1.1338   0.06843   0.06135  -0.0196   0.0686   1.0000
  15.000   1.1387   0.07101   0.06395  -0.0200   0.0640   1.0000
  15.250   1.1438   0.07360   0.06656  -0.0205   0.0599   1.0000
  15.500   1.1477   0.07636   0.06933  -0.0210   0.0563   1.0000
  15.750   1.1530   0.07899   0.07201  -0.0215   0.0530   1.0000
  16.000   1.1567   0.08185   0.07488  -0.0222   0.0503   1.0000
  16.250   1.1617   0.08458   0.07768  -0.0228   0.0478   1.0000
  16.500   1.1655   0.08751   0.08064  -0.0236   0.0455   1.0000
  16.750   1.1689   0.09049   0.08366  -0.0244   0.0436   1.0000
  17.000   1.1734   0.09339   0.08663  -0.0252   0.0418   1.0000
  17.250   1.1766   0.09647   0.08976  -0.0262   0.0403   1.0000
  17.500   1.1785   0.09976   0.09308  -0.0272   0.0389   1.0000
  17.750   1.1830   0.10273   0.09615  -0.0282   0.0375   1.0000
  18.000   1.1864   0.10586   0.09935  -0.0294   0.0362   1.0000
  18.250   1.1882   0.10924   0.10277  -0.0307   0.0353   1.0000
  18.500   1.1903   0.11258   0.10616  -0.0320   0.0343   1.0000
  18.750   1.1938   0.11575   0.10942  -0.0332   0.0333   1.0000
  19.000   1.1969   0.11899   0.11273  -0.0346   0.0323   1.0000
  19.250   1.1991   0.12238   0.11619  -0.0362   0.0314   1.0000
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