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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 500,000
Max Cl/Cd: 87.96 at α=6°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca4418-il-500000-n5.txt
Download as CSV file: xf-naca4418-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.250  -0.8703   0.08862   0.08433  -0.0792   1.0000   0.0339
 -18.000  -0.8851   0.08315   0.07881  -0.0820   1.0000   0.0341
 -17.750  -0.9026   0.07746   0.07304  -0.0850   1.0000   0.0343
 -17.500  -0.9230   0.07164   0.06713  -0.0880   1.0000   0.0345
 -17.250  -0.9452   0.06578   0.06118  -0.0909   1.0000   0.0346
 -17.000  -0.9685   0.05984   0.05514  -0.0937   1.0000   0.0348
 -16.750  -0.9912   0.05414   0.04932  -0.0963   1.0000   0.0349
 -16.500  -1.0126   0.04878   0.04385  -0.0986   1.0000   0.0350
 -16.250  -1.0323   0.04398   0.03894  -0.1002   1.0000   0.0352
 -16.000  -1.0511   0.03989   0.03474  -0.1009   1.0000   0.0353
 -15.750  -1.0703   0.03654   0.03129  -0.1004   1.0000   0.0355
 -15.500  -1.0623   0.03340   0.02804  -0.1038   0.9974   0.0358
 -15.250  -1.0493   0.03088   0.02541  -0.1068   0.9945   0.0363
 -15.000  -1.0336   0.02889   0.02330  -0.1092   0.9920   0.0367
 -14.750  -1.0192   0.02729   0.02160  -0.1103   0.9878   0.0372
 -14.500  -1.0017   0.02588   0.02012  -0.1115   0.9843   0.0377
 -14.250  -0.9819   0.02456   0.01873  -0.1128   0.9816   0.0384
 -14.000  -0.9656   0.02355   0.01767  -0.1126   0.9768   0.0390
 -13.750  -0.9475   0.02268   0.01675  -0.1122   0.9719   0.0398
 -13.500  -0.9244   0.02188   0.01589  -0.1126   0.9687   0.0407
 -13.250  -0.9041   0.02121   0.01514  -0.1121   0.9641   0.0415
 -13.000  -0.8848   0.02051   0.01441  -0.1114   0.9585   0.0424
 -12.750  -0.8617   0.01983   0.01369  -0.1113   0.9546   0.0434
 -12.500  -0.8398   0.01925   0.01307  -0.1108   0.9498   0.0446
 -12.250  -0.8191   0.01875   0.01251  -0.1099   0.9437   0.0458
 -12.000  -0.7952   0.01819   0.01192  -0.1096   0.9391   0.0471
 -11.750  -0.7725   0.01770   0.01140  -0.1091   0.9338   0.0487
 -11.500  -0.7502   0.01727   0.01093  -0.1083   0.9272   0.0505
 -11.250  -0.7254   0.01682   0.01044  -0.1080   0.9220   0.0524
 -11.000  -0.7019   0.01642   0.01002  -0.1074   0.9156   0.0546
 -10.750  -0.6777   0.01606   0.00961  -0.1068   0.9087   0.0568
 -10.500  -0.6521   0.01567   0.00919  -0.1066   0.9027   0.0591
 -10.250  -0.6279   0.01537   0.00885  -0.1059   0.8951   0.0615
 -10.000  -0.6025   0.01504   0.00848  -0.1056   0.8879   0.0636
  -9.750  -0.5768   0.01474   0.00815  -0.1052   0.8812   0.0660
  -9.500  -0.5510   0.01448   0.00784  -0.1048   0.8734   0.0683
  -9.250  -0.5249   0.01418   0.00750  -0.1045   0.8664   0.0705
  -9.000  -0.4991   0.01393   0.00723  -0.1041   0.8586   0.0730
  -8.750  -0.4725   0.01373   0.00695  -0.1038   0.8507   0.0753
  -8.500  -0.4465   0.01346   0.00666  -0.1035   0.8431   0.0776
  -8.250  -0.4202   0.01323   0.00640  -0.1032   0.8346   0.0800
  -8.000  -0.3932   0.01305   0.00614  -0.1029   0.8269   0.0822
  -7.750  -0.3670   0.01282   0.00589  -0.1026   0.8183   0.0844
  -7.500  -0.3404   0.01262   0.00565  -0.1023   0.8097   0.0869
  -7.250  -0.3135   0.01244   0.00544  -0.1021   0.8015   0.0895
  -7.000  -0.2868   0.01227   0.00521  -0.1018   0.7924   0.0920
  -6.750  -0.2602   0.01208   0.00500  -0.1015   0.7839   0.0949
  -6.500  -0.2333   0.01192   0.00481  -0.1012   0.7746   0.0982
  -6.250  -0.2065   0.01176   0.00461  -0.1009   0.7659   0.1021
  -6.000  -0.1798   0.01159   0.00443  -0.1007   0.7562   0.1067
  -5.750  -0.1529   0.01147   0.00425  -0.1004   0.7472   0.1105
  -5.500  -0.1261   0.01130   0.00408  -0.1001   0.7375   0.1152
  -5.250  -0.0993   0.01119   0.00392  -0.0998   0.7279   0.1201
  -5.000  -0.0725   0.01104   0.00378  -0.0995   0.7179   0.1262
  -4.750  -0.0458   0.01093   0.00364  -0.0992   0.7084   0.1334
  -4.500  -0.0188   0.01081   0.00353  -0.0989   0.6983   0.1428
  -4.250   0.0077   0.01072   0.00343  -0.0986   0.6882   0.1528
  -4.000   0.0349   0.01062   0.00334  -0.0984   0.6782   0.1630
  -3.750   0.0617   0.01058   0.00326  -0.0980   0.6684   0.1729
  -3.500   0.0887   0.01050   0.00319  -0.0978   0.6580   0.1827
  -3.250   0.1155   0.01047   0.00312  -0.0975   0.6481   0.1902
  -3.000   0.1427   0.01041   0.00306  -0.0972   0.6383   0.1985
  -2.750   0.1694   0.01041   0.00301  -0.0969   0.6287   0.2058
  -2.500   0.1964   0.01035   0.00296  -0.0967   0.6187   0.2148
  -2.250   0.2230   0.01035   0.00292  -0.0963   0.6093   0.2228
  -2.000   0.2501   0.01029   0.00289  -0.0961   0.6003   0.2332
  -1.500   0.3036   0.01026   0.00287  -0.0955   0.5823   0.2599
  -1.250   0.3301   0.01026   0.00288  -0.0952   0.5735   0.2752
  -1.000   0.3570   0.01025   0.00288  -0.0949   0.5657   0.2897
  -0.750   0.3838   0.01025   0.00289  -0.0946   0.5571   0.3030
  -0.500   0.4102   0.01028   0.00291  -0.0943   0.5494   0.3183
  -0.250   0.4372   0.01024   0.00294  -0.0940   0.5419   0.3385
   0.000   0.4632   0.01023   0.00297  -0.0937   0.5341   0.3597
   0.250   0.4898   0.01022   0.00300  -0.0934   0.5271   0.3800
   0.500   0.5163   0.01020   0.00304  -0.0931   0.5198   0.4024
   0.750   0.5421   0.01022   0.00310  -0.0926   0.5128   0.4286
   1.000   0.5686   0.01018   0.00316  -0.0924   0.5062   0.4618
   1.250   0.5945   0.01015   0.00324  -0.0920   0.4993   0.5022
   1.500   0.6196   0.01016   0.00333  -0.0914   0.4927   0.5429
   1.750   0.6461   0.01013   0.00342  -0.0911   0.4864   0.5798
   2.000   0.6718   0.01014   0.00351  -0.0907   0.4797   0.6134
   2.250   0.6965   0.01019   0.00362  -0.0900   0.4733   0.6478
   2.500   0.7224   0.01018   0.00374  -0.0896   0.4673   0.6852
   2.750   0.7470   0.01017   0.00387  -0.0888   0.4606   0.7306
   3.000   0.7703   0.01022   0.00401  -0.0878   0.4543   0.7749
   3.250   0.7940   0.01020   0.00416  -0.0868   0.4482   0.8261
   3.500   0.8155   0.01023   0.00434  -0.0852   0.4414   0.8818
   3.750   0.8391   0.01039   0.00452  -0.0841   0.4341   0.9263
   4.000   0.8704   0.01054   0.00468  -0.0848   0.4255   0.9568
   4.500   0.9406   0.01096   0.00502  -0.0882   0.4090   0.9968
   4.750   0.9638   0.01114   0.00517  -0.0873   0.4020   1.0000
   5.000   0.9833   0.01132   0.00531  -0.0857   0.3960   1.0000
   5.250   1.0038   0.01148   0.00546  -0.0843   0.3892   1.0000
   5.500   1.0226   0.01169   0.00563  -0.0826   0.3823   1.0000
   5.750   1.0431   0.01189   0.00582  -0.0812   0.3763   1.0000
   6.000   1.0643   0.01210   0.00601  -0.0800   0.3691   1.0000
   6.250   1.0834   0.01239   0.00626  -0.0785   0.3619   1.0000
   6.500   1.1055   0.01260   0.00648  -0.0776   0.3553   1.0000
   6.750   1.1259   0.01289   0.00674  -0.0763   0.3476   1.0000
   7.000   1.1461   0.01319   0.00702  -0.0751   0.3403   1.0000
   7.250   1.1666   0.01350   0.00731  -0.0740   0.3320   1.0000
   7.500   1.1854   0.01388   0.00765  -0.0726   0.3226   1.0000
   7.750   1.2036   0.01430   0.00803  -0.0711   0.3115   1.0000
   8.000   1.2226   0.01470   0.00840  -0.0699   0.3016   1.0000
   8.250   1.2392   0.01521   0.00886  -0.0683   0.2917   1.0000
   8.500   1.2579   0.01565   0.00929  -0.0670   0.2812   1.0000
   8.750   1.2737   0.01624   0.00982  -0.0654   0.2691   1.0000
   9.000   1.2876   0.01694   0.01044  -0.0636   0.2541   1.0000
   9.250   1.3003   0.01771   0.01114  -0.0617   0.2387   1.0000
   9.500   1.3133   0.01851   0.01187  -0.0600   0.2253   1.0000
   9.750   1.3274   0.01927   0.01259  -0.0584   0.2143   1.0000
  10.000   1.3416   0.02004   0.01334  -0.0569   0.2052   1.0000
  10.250   1.3539   0.02094   0.01421  -0.0553   0.1962   1.0000
  10.500   1.3678   0.02178   0.01504  -0.0539   0.1877   1.0000
  10.750   1.3793   0.02277   0.01601  -0.0523   0.1796   1.0000
  11.000   1.3909   0.02380   0.01702  -0.0508   0.1713   1.0000
  11.250   1.4022   0.02488   0.01809  -0.0494   0.1640   1.0000
  11.500   1.4121   0.02607   0.01928  -0.0479   0.1566   1.0000
  11.750   1.4228   0.02724   0.02045  -0.0466   0.1503   1.0000
  12.000   1.4317   0.02857   0.02178  -0.0452   0.1435   1.0000
  12.250   1.4412   0.02990   0.02313  -0.0440   0.1375   1.0000
  12.500   1.4484   0.03145   0.02467  -0.0427   0.1309   1.0000
  12.750   1.4569   0.03294   0.02617  -0.0416   0.1246   1.0000
  13.000   1.4621   0.03474   0.02797  -0.0404   0.1183   1.0000
  13.250   1.4683   0.03652   0.02977  -0.0393   0.1117   1.0000
  13.500   1.4726   0.03851   0.03177  -0.0383   0.1056   1.0000
  13.750   1.4757   0.04066   0.03392  -0.0373   0.0995   1.0000
  14.000   1.4792   0.04283   0.03611  -0.0365   0.0942   1.0000
  14.250   1.4806   0.04527   0.03856  -0.0357   0.0893   1.0000
  14.500   1.4834   0.04763   0.04096  -0.0350   0.0849   1.0000
  14.750   1.4841   0.05023   0.04359  -0.0344   0.0811   1.0000
  15.000   1.4860   0.05276   0.04616  -0.0339   0.0775   1.0000
  15.250   1.4850   0.05566   0.04910  -0.0335   0.0742   1.0000
  15.500   1.4863   0.05837   0.05186  -0.0332   0.0712   1.0000
  15.750   1.4852   0.06137   0.05491  -0.0330   0.0683   1.0000
  16.000   1.4845   0.06435   0.05795  -0.0328   0.0658   1.0000
  16.250   1.4834   0.06744   0.06109  -0.0328   0.0633   1.0000
  16.500   1.4799   0.07086   0.06455  -0.0328   0.0611   1.0000
  16.750   1.4789   0.07401   0.06777  -0.0329   0.0591   1.0000
  17.000   1.4764   0.07736   0.07118  -0.0331   0.0570   1.0000
  17.250   1.4716   0.08105   0.07492  -0.0334   0.0553   1.0000
  17.500   1.4690   0.08449   0.07843  -0.0337   0.0537   1.0000
  17.750   1.4663   0.08798   0.08199  -0.0341   0.0522   1.0000
  18.000   1.4620   0.09171   0.08578  -0.0347   0.0509   1.0000
  18.250   1.4570   0.09553   0.08966  -0.0353   0.0497   1.0000
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