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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 200,000
Max Cl/Cd: 65.39 at α=6.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca4418-il-200000-n5.txt
Download as CSV file: xf-naca4418-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -16.500  -0.6940   0.09304   0.08793  -0.0770   1.0000   0.0478
 -16.250  -0.7556   0.07986   0.07449  -0.0846   1.0000   0.0482
 -16.000  -0.7876   0.07227   0.06675  -0.0886   1.0000   0.0485
 -15.750  -0.8128   0.06600   0.06034  -0.0918   1.0000   0.0488
 -15.500  -0.8346   0.06053   0.05474  -0.0942   1.0000   0.0492
 -15.250  -0.8541   0.05570   0.04979  -0.0960   1.0000   0.0496
 -15.000  -0.8719   0.05149   0.04546  -0.0972   1.0000   0.0500
 -14.750  -0.8893   0.04782   0.04167  -0.0975   1.0000   0.0503
 -14.500  -0.9069   0.04467   0.03840  -0.0970   1.0000   0.0507
 -14.250  -0.9254   0.04199   0.03560  -0.0956   1.0000   0.0511
 -14.000  -0.9447   0.03981   0.03334  -0.0931   1.0000   0.0514
 -13.750  -0.9402   0.03764   0.03112  -0.0942   0.9970   0.0519
 -13.500  -0.9257   0.03571   0.02909  -0.0964   0.9930   0.0527
 -13.250  -0.9131   0.03410   0.02739  -0.0973   0.9877   0.0537
 -13.000  -0.8975   0.03269   0.02585  -0.0981   0.9829   0.0550
 -12.750  -0.8810   0.03141   0.02441  -0.0984   0.9779   0.0564
 -12.500  -0.8623   0.03031   0.02328  -0.0987   0.9723   0.0575
 -12.250  -0.8366   0.02929   0.02220  -0.0999   0.9688   0.0591
 -12.000  -0.8154   0.02836   0.02117  -0.1001   0.9638   0.0608
 -11.750  -0.7936   0.02744   0.02014  -0.1001   0.9585   0.0626
 -11.500  -0.7657   0.02661   0.01928  -0.1013   0.9552   0.0643
 -11.250  -0.7351   0.02580   0.01839  -0.1028   0.9530   0.0665
 -11.000  -0.7172   0.02516   0.01763  -0.1015   0.9454   0.0687
 -10.750  -0.6903   0.02448   0.01695  -0.1021   0.9412   0.0708
 -10.500  -0.6599   0.02381   0.01620  -0.1032   0.9382   0.0736
 -10.250  -0.6384   0.02325   0.01555  -0.1025   0.9317   0.0759
 -10.000  -0.6133   0.02268   0.01497  -0.1024   0.9261   0.0782
  -9.750  -0.5833   0.02209   0.01429  -0.1032   0.9223   0.0811
  -9.500  -0.5581   0.02155   0.01369  -0.1030   0.9167   0.0837
  -9.250  -0.5348   0.02108   0.01321  -0.1024   0.9097   0.0863
  -9.000  -0.5051   0.02057   0.01261  -0.1029   0.9052   0.0895
  -8.750  -0.4789   0.02007   0.01208  -0.1028   0.8995   0.0923
  -8.500  -0.4555   0.01966   0.01165  -0.1021   0.8920   0.0951
  -8.250  -0.4261   0.01921   0.01111  -0.1025   0.8870   0.0985
  -8.000  -0.4001   0.01876   0.01065  -0.1022   0.8807   0.1016
  -7.750  -0.3755   0.01839   0.01027  -0.1017   0.8730   0.1051
  -7.500  -0.3454   0.01799   0.00978  -0.1021   0.8677   0.1093
  -7.250  -0.3210   0.01759   0.00941  -0.1015   0.8601   0.1131
  -7.000  -0.2944   0.01725   0.00903  -0.1013   0.8526   0.1174
  -6.750  -0.2643   0.01684   0.00857  -0.1017   0.8470   0.1218
  -6.500  -0.2409   0.01655   0.00830  -0.1009   0.8378   0.1261
  -6.250  -0.2122   0.01623   0.00791  -0.1009   0.8306   0.1313
  -6.000  -0.1859   0.01592   0.00762  -0.1006   0.8227   0.1365
  -5.750  -0.1591   0.01566   0.00733  -0.1003   0.8142   0.1429
  -5.500  -0.1305   0.01537   0.00703  -0.1004   0.8070   0.1499
  -5.250  -0.1050   0.01518   0.00682  -0.0998   0.7974   0.1578
  -5.000  -0.0766   0.01493   0.00657  -0.0998   0.7895   0.1670
  -4.750  -0.0507   0.01476   0.00639  -0.0994   0.7800   0.1762
  -4.500  -0.0227   0.01459   0.00616  -0.0993   0.7713   0.1864
  -4.250   0.0036   0.01440   0.00599  -0.0989   0.7621   0.1961
  -4.000   0.0310   0.01426   0.00580  -0.0986   0.7527   0.2061
  -3.750   0.0577   0.01410   0.00564  -0.0983   0.7434   0.2165
  -3.500   0.0845   0.01396   0.00549  -0.0980   0.7337   0.2267
  -3.250   0.1115   0.01385   0.00536  -0.0977   0.7245   0.2381
  -3.000   0.1380   0.01373   0.00526  -0.0974   0.7145   0.2502
  -2.750   0.1650   0.01365   0.00516  -0.0971   0.7051   0.2631
  -2.500   0.1917   0.01359   0.00509  -0.0967   0.6951   0.2772
  -2.250   0.2185   0.01351   0.00501  -0.0964   0.6858   0.2915
  -2.000   0.2448   0.01345   0.00495  -0.0960   0.6756   0.3058
  -1.750   0.2716   0.01341   0.00488  -0.0957   0.6664   0.3212
  -1.500   0.2976   0.01334   0.00484  -0.0953   0.6566   0.3380
  -1.250   0.3239   0.01327   0.00480  -0.0949   0.6476   0.3582
  -1.000   0.3495   0.01319   0.00479  -0.0944   0.6378   0.3819
  -0.500   0.4009   0.01306   0.00479  -0.0934   0.6199   0.4353
  -0.250   0.4266   0.01301   0.00480  -0.0929   0.6113   0.4675
   0.000   0.4517   0.01295   0.00486  -0.0923   0.6026   0.5042
   0.250   0.4768   0.01291   0.00492  -0.0916   0.5942   0.5460
   0.500   0.5018   0.01287   0.00499  -0.0909   0.5862   0.5882
   0.750   0.5265   0.01285   0.00508  -0.0902   0.5778   0.6289
   1.000   0.5512   0.01286   0.00516  -0.0893   0.5705   0.6696
   1.250   0.5752   0.01284   0.00529  -0.0884   0.5625   0.7130
   1.500   0.5991   0.01286   0.00541  -0.0872   0.5548   0.7586
   1.750   0.6232   0.01291   0.00555  -0.0861   0.5478   0.8037
   2.000   0.6486   0.01299   0.00572  -0.0852   0.5401   0.8493
   2.250   0.6787   0.01314   0.00588  -0.0853   0.5329   0.8939
   2.500   0.7142   0.01330   0.00607  -0.0867   0.5254   0.9345
   2.750   0.7517   0.01350   0.00623  -0.0886   0.5175   0.9644
   3.000   0.7915   0.01372   0.00637  -0.0912   0.5103   0.9833
   3.250   0.8312   0.01391   0.00655  -0.0938   0.5023   0.9971
   3.500   0.8556   0.01409   0.00666  -0.0933   0.4955   1.0000
   3.750   0.8750   0.01426   0.00678  -0.0917   0.4890   1.0000
   4.000   0.8945   0.01442   0.00693  -0.0901   0.4821   1.0000
   4.250   0.9145   0.01462   0.00706  -0.0886   0.4754   1.0000
   4.500   0.9350   0.01481   0.00723  -0.0873   0.4686   1.0000
   4.750   0.9552   0.01501   0.00741  -0.0859   0.4610   1.0000
   5.250   0.9957   0.01545   0.00779  -0.0831   0.4459   1.0000
   5.500   1.0157   0.01570   0.00800  -0.0817   0.4384   1.0000
   5.750   1.0361   0.01594   0.00823  -0.0803   0.4315   1.0000
   6.000   1.0561   0.01619   0.00848  -0.0790   0.4241   1.0000
   6.250   1.0751   0.01647   0.00871  -0.0774   0.4174   1.0000
   6.500   1.0940   0.01673   0.00899  -0.0758   0.4104   1.0000
   6.750   1.1119   0.01702   0.00928  -0.0741   0.4032   1.0000
   7.000   1.1298   0.01736   0.00958  -0.0725   0.3965   1.0000
   7.250   1.1482   0.01767   0.00993  -0.0709   0.3890   1.0000
   7.500   1.1654   0.01805   0.01028  -0.0692   0.3817   1.0000
   7.750   1.1834   0.01842   0.01067  -0.0677   0.3743   1.0000
   8.000   1.2004   0.01883   0.01109  -0.0661   0.3665   1.0000
   8.250   1.2168   0.01928   0.01153  -0.0644   0.3590   1.0000
   8.500   1.2331   0.01974   0.01202  -0.0628   0.3503   1.0000
   8.750   1.2475   0.02029   0.01255  -0.0609   0.3417   1.0000
   9.000   1.2621   0.02085   0.01312  -0.0592   0.3317   1.0000
   9.250   1.2755   0.02149   0.01375  -0.0573   0.3224   1.0000
   9.500   1.2885   0.02217   0.01443  -0.0555   0.3125   1.0000
   9.750   1.3016   0.02289   0.01516  -0.0538   0.3032   1.0000
  10.000   1.3124   0.02374   0.01599  -0.0518   0.2933   1.0000
  10.250   1.3243   0.02458   0.01685  -0.0501   0.2828   1.0000
  10.500   1.3330   0.02562   0.01786  -0.0482   0.2719   1.0000
  10.750   1.3406   0.02677   0.01899  -0.0463   0.2602   1.0000
  11.000   1.3491   0.02794   0.02015  -0.0445   0.2486   1.0000
  11.250   1.3558   0.02926   0.02146  -0.0428   0.2379   1.0000
  11.500   1.3613   0.03072   0.02290  -0.0410   0.2276   1.0000
  11.750   1.3689   0.03211   0.02431  -0.0396   0.2180   1.0000
  12.000   1.3734   0.03375   0.02594  -0.0380   0.2094   1.0000
  12.250   1.3793   0.03536   0.02757  -0.0367   0.2006   1.0000
  12.500   1.3839   0.03713   0.02936  -0.0354   0.1928   1.0000
  12.750   1.3879   0.03902   0.03127  -0.0342   0.1849   1.0000
  13.000   1.3918   0.04098   0.03325  -0.0331   0.1779   1.0000
  13.250   1.3945   0.04312   0.03541  -0.0321   0.1707   1.0000
  13.500   1.3975   0.04529   0.03761  -0.0313   0.1642   1.0000
  13.750   1.3994   0.04763   0.03999  -0.0305   0.1575   1.0000
  14.000   1.4010   0.05005   0.04245  -0.0298   0.1513   1.0000
  14.250   1.4018   0.05263   0.04507  -0.0293   0.1448   1.0000
  14.500   1.4022   0.05531   0.04779  -0.0288   0.1389   1.0000
  14.750   1.4017   0.05815   0.05067  -0.0285   0.1326   1.0000
  15.000   1.4010   0.06105   0.05361  -0.0282   0.1270   1.0000
  15.250   1.3992   0.06414   0.05675  -0.0281   0.1211   1.0000
  15.500   1.3973   0.06730   0.05996  -0.0280   0.1159   1.0000
  15.750   1.3945   0.07063   0.06333  -0.0281   0.1107   1.0000
  16.000   1.3915   0.07402   0.06677  -0.0282   0.1061   1.0000
  16.250   1.3882   0.07749   0.07029  -0.0285   0.1014   1.0000
  16.500   1.3835   0.08118   0.07403  -0.0288   0.0973   1.0000
  16.750   1.3800   0.08478   0.07770  -0.0293   0.0932   1.0000
  17.000   1.3737   0.08877   0.08171  -0.0298   0.0898   1.0000
  17.250   1.3712   0.09230   0.08532  -0.0304   0.0861   1.0000
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