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NACA 2418 (naca2418-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 2418 (naca2418-il)
Reynolds number: 200,000
Max Cl/Cd: 60.78 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca2418-il-200000.txt
Download as CSV file: xf-naca2418-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 2418                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.500  -0.9287   0.07528   0.06988  -0.0740   1.0000   0.0698
 -16.250  -0.9766   0.06602   0.06030  -0.0793   1.0000   0.0698
 -16.000  -1.0030   0.06020   0.05425  -0.0820   1.0000   0.0702
 -15.750  -1.0225   0.05559   0.04941  -0.0836   1.0000   0.0707
 -15.500  -1.0393   0.05167   0.04526  -0.0843   1.0000   0.0714
 -15.250  -1.0550   0.04827   0.04161  -0.0843   1.0000   0.0720
 -15.000  -1.0705   0.04537   0.03845  -0.0833   1.0000   0.0726
 -14.750  -1.0639   0.04350   0.03656  -0.0825   1.0000   0.0737
 -14.500  -1.0510   0.04235   0.03547  -0.0816   1.0000   0.0748
 -14.250  -1.0468   0.04095   0.03403  -0.0802   1.0000   0.0759
 -14.000  -1.0474   0.03946   0.03244  -0.0782   1.0000   0.0769
 -13.750  -1.0510   0.03802   0.03088  -0.0755   1.0000   0.0780
 -13.500  -1.0576   0.03674   0.02944  -0.0719   1.0000   0.0791
 -13.250  -1.0689   0.03570   0.02822  -0.0670   1.0000   0.0800
 -13.000  -1.0628   0.03457   0.02711  -0.0643   1.0000   0.0813
 -12.750  -1.0591   0.03390   0.02650  -0.0609   1.0000   0.0825
 -12.500  -1.0617   0.03331   0.02591  -0.0565   1.0000   0.0838
 -12.250  -1.0631   0.03262   0.02516  -0.0523   1.0000   0.0853
 -12.000  -1.0657   0.03188   0.02428  -0.0479   1.0000   0.0870
 -11.750  -1.0669   0.03111   0.02333  -0.0436   1.0000   0.0886
 -11.500  -1.0554   0.03027   0.02263  -0.0414   1.0000   0.0905
 -11.250  -1.0485   0.02969   0.02206  -0.0383   1.0000   0.0925
 -11.000  -1.0426   0.02908   0.02137  -0.0350   1.0000   0.0947
 -10.750  -1.0377   0.02848   0.02058  -0.0316   1.0000   0.0970
 -10.500  -1.0259   0.02766   0.01986  -0.0294   1.0000   0.0995
 -10.250  -1.0157   0.02717   0.01940  -0.0269   1.0000   0.1022
 -10.000  -1.0058   0.02669   0.01881  -0.0243   1.0000   0.1054
  -9.750  -0.9936   0.02600   0.01809  -0.0221   0.9999   0.1085
  -9.500  -0.9571   0.02540   0.01754  -0.0245   0.9960   0.1133
  -9.250  -0.9193   0.02476   0.01678  -0.0271   0.9924   0.1187
  -9.000  -0.8850   0.02412   0.01624  -0.0291   0.9871   0.1240
  -8.750  -0.8464   0.02356   0.01557  -0.0317   0.9824   0.1302
  -8.500  -0.8090   0.02297   0.01508  -0.0341   0.9781   0.1364
  -8.250  -0.7751   0.02244   0.01446  -0.0357   0.9718   0.1429
  -8.000  -0.7363   0.02189   0.01400  -0.0383   0.9680   0.1500
  -7.750  -0.7033   0.02138   0.01347  -0.0396   0.9623   0.1572
  -7.500  -0.6691   0.02091   0.01305  -0.0412   0.9565   0.1648
  -7.250  -0.6293   0.02036   0.01254  -0.0439   0.9531   0.1736
  -7.000  -0.5975   0.02001   0.01216  -0.0448   0.9467   0.1824
  -6.750  -0.5635   0.01949   0.01174  -0.0463   0.9409   0.1918
  -6.500  -0.5226   0.01899   0.01127  -0.0490   0.9375   0.2037
  -6.250  -0.4786   0.01853   0.01083  -0.0523   0.9353   0.2178
  -6.000  -0.4556   0.01821   0.01058  -0.0514   0.9254   0.2295
  -5.750  -0.4157   0.01772   0.01016  -0.0538   0.9216   0.2454
  -5.500  -0.3751   0.01722   0.00973  -0.0563   0.9187   0.2625
  -5.250  -0.3514   0.01691   0.00947  -0.0554   0.9089   0.2765
  -5.000  -0.3159   0.01648   0.00907  -0.0567   0.9038   0.2932
  -4.750  -0.2780   0.01603   0.00864  -0.0585   0.9000   0.3103
  -4.500  -0.2556   0.01577   0.00844  -0.0572   0.8891   0.3242
  -4.250  -0.2221   0.01532   0.00805  -0.0580   0.8834   0.3402
  -4.000  -0.1951   0.01501   0.00779  -0.0576   0.8744   0.3553
  -3.750  -0.1657   0.01466   0.00747  -0.0576   0.8660   0.3718
  -3.500  -0.1361   0.01435   0.00718  -0.0576   0.8581   0.3894
  -3.250  -0.1101   0.01405   0.00695  -0.0569   0.8475   0.4075
  -3.000  -0.0814   0.01373   0.00669  -0.0567   0.8388   0.4278
  -2.750  -0.0557   0.01347   0.00650  -0.0559   0.8275   0.4497
  -2.500  -0.0290   0.01319   0.00632  -0.0554   0.8172   0.4737
  -2.250  -0.0026   0.01294   0.00616  -0.0547   0.8060   0.5007
  -2.000   0.0228   0.01278   0.00607  -0.0539   0.7941   0.5306
  -1.750   0.0503   0.01256   0.00593  -0.0533   0.7837   0.5613
  -1.500   0.0743   0.01246   0.00591  -0.0522   0.7703   0.5915
  -1.250   0.1011   0.01234   0.00582  -0.0515   0.7591   0.6204
  -1.000   0.1266   0.01224   0.00579  -0.0506   0.7466   0.6475
  -0.750   0.1521   0.01219   0.00580  -0.0497   0.7341   0.6742
  -0.500   0.1795   0.01214   0.00574  -0.0491   0.7232   0.7005
  -0.250   0.2039   0.01214   0.00581  -0.0480   0.7101   0.7255
   0.000   0.2306   0.01214   0.00583  -0.0473   0.6991   0.7493
   0.250   0.2560   0.01217   0.00590  -0.0463   0.6869   0.7728
   0.500   0.2820   0.01224   0.00600  -0.0454   0.6756   0.7958
   0.750   0.3084   0.01232   0.00607  -0.0446   0.6646   0.8177
   1.000   0.3339   0.01243   0.00621  -0.0435   0.6528   0.8390
   1.250   0.3616   0.01257   0.00627  -0.0429   0.6421   0.8592
   1.500   0.3869   0.01269   0.00642  -0.0418   0.6289   0.8785
   1.750   0.4150   0.01287   0.00653  -0.0413   0.6176   0.8963
   2.000   0.4436   0.01305   0.00667  -0.0409   0.6063   0.9134
   2.250   0.4791   0.01329   0.00688  -0.0420   0.5951   0.9256
   2.500   0.5165   0.01353   0.00702  -0.0435   0.5842   0.9371
   2.750   0.5525   0.01376   0.00723  -0.0450   0.5726   0.9498
   3.000   0.6027   0.01404   0.00739  -0.0493   0.5616   0.9560
   3.250   0.6467   0.01425   0.00760  -0.0524   0.5490   0.9666
   3.500   0.6962   0.01448   0.00776  -0.0568   0.5370   0.9743
   3.750   0.7416   0.01465   0.00786  -0.0604   0.5253   0.9823
   4.000   0.7867   0.01480   0.00799  -0.0641   0.5126   0.9901
   4.250   0.8328   0.01495   0.00804  -0.0680   0.5007   0.9963
   4.500   0.8657   0.01502   0.00812  -0.0695   0.4882   1.0000
   4.750   0.8825   0.01513   0.00818  -0.0677   0.4772   1.0000
   5.000   0.8987   0.01523   0.00821  -0.0657   0.4660   1.0000
   5.250   0.9140   0.01535   0.00834  -0.0636   0.4547   1.0000
   5.500   0.9304   0.01552   0.00841  -0.0616   0.4445   1.0000
   5.750   0.9446   0.01566   0.00859  -0.0591   0.4333   1.0000
   6.000   0.9604   0.01588   0.00872  -0.0569   0.4233   1.0000
   6.250   0.9740   0.01604   0.00890  -0.0543   0.4119   1.0000
   6.500   0.9886   0.01627   0.00909  -0.0519   0.4014   1.0000
   6.750   1.0023   0.01649   0.00927  -0.0492   0.3903   1.0000
   7.000   1.0160   0.01674   0.00952  -0.0466   0.3791   1.0000
   7.500   1.0428   0.01730   0.01000  -0.0413   0.3567   1.0000
   7.750   1.0561   0.01763   0.01028  -0.0387   0.3458   1.0000
   8.000   1.0689   0.01797   0.01056  -0.0360   0.3345   1.0000
   8.250   1.0822   0.01831   0.01091  -0.0334   0.3231   1.0000
   8.500   1.0951   0.01875   0.01125  -0.0309   0.3125   1.0000
   8.750   1.1063   0.01911   0.01164  -0.0280   0.3013   1.0000
   9.000   1.1174   0.01956   0.01206  -0.0252   0.2910   1.0000
   9.250   1.1280   0.02006   0.01250  -0.0225   0.2806   1.0000
   9.500   1.1400   0.02057   0.01304  -0.0201   0.2698   1.0000
   9.750   1.1508   0.02121   0.01360  -0.0176   0.2598   1.0000
  10.000   1.1621   0.02182   0.01424  -0.0154   0.2490   1.0000
  10.250   1.1732   0.02254   0.01495  -0.0133   0.2389   1.0000
  10.500   1.1825   0.02340   0.01572  -0.0110   0.2291   1.0000
  10.750   1.1935   0.02419   0.01658  -0.0091   0.2189   1.0000
  11.000   1.2024   0.02518   0.01751  -0.0071   0.2098   1.0000
  11.250   1.2117   0.02616   0.01851  -0.0053   0.2003   1.0000
  11.500   1.2206   0.02725   0.01961  -0.0035   0.1915   1.0000
  11.750   1.2277   0.02847   0.02079  -0.0018   0.1832   1.0000
  12.000   1.2365   0.02966   0.02204  -0.0003   0.1748   1.0000
  12.250   1.2417   0.03112   0.02342   0.0013   0.1677   1.0000
  12.500   1.2499   0.03246   0.02486   0.0026   0.1598   1.0000
  12.750   1.2541   0.03412   0.02644   0.0040   0.1534   1.0000
  13.000   1.2610   0.03568   0.02810   0.0050   0.1465   1.0000
  13.250   1.2641   0.03754   0.02987   0.0062   0.1409   1.0000
  13.500   1.2697   0.03931   0.03175   0.0071   0.1348   1.0000
  13.750   1.2722   0.04132   0.03369   0.0081   0.1297   1.0000
  14.000   1.2765   0.04331   0.03578   0.0088   0.1244   1.0000
  14.250   1.2794   0.04543   0.03789   0.0094   0.1198   1.0000
  14.500   1.2829   0.04756   0.04004   0.0101   0.1154   1.0000
  14.750   1.2859   0.04981   0.04236   0.0105   0.1112   1.0000
  15.000   1.2906   0.05181   0.04424   0.0112   0.1075   1.0000
  15.250   1.2931   0.05423   0.04682   0.0114   0.1040   1.0000
  15.500   1.2966   0.05656   0.04919   0.0116   0.1007   1.0000
  15.750   1.3036   0.05838   0.05090   0.0121   0.0978   1.0000
  16.000   1.3054   0.06099   0.05365   0.0122   0.0951   1.0000
  16.250   1.3080   0.06352   0.05627   0.0121   0.0924   1.0000
  16.500   1.3133   0.06570   0.05845   0.0122   0.0901   1.0000
  16.750   1.3219   0.06743   0.06012   0.0126   0.0878   1.0000
  17.000   1.3208   0.07053   0.06340   0.0122   0.0858   1.0000
  17.250   1.3234   0.07317   0.06613   0.0120   0.0839   1.0000
  17.500   1.3292   0.07537   0.06834   0.0119   0.0822   1.0000
  17.750   1.3425   0.07650   0.06938   0.0124   0.0805   1.0000
  18.000   1.3426   0.07951   0.07253   0.0120   0.0791   1.0000
  18.250   1.3385   0.08315   0.07635   0.0112   0.0778   1.0000
  18.500   1.3372   0.08644   0.07977   0.0104   0.0764   1.0000
  18.750   1.3393   0.08925   0.08263   0.0098   0.0751   1.0000
  19.000   1.3480   0.09108   0.08445   0.0096   0.0738   1.0000
  19.250   1.3662   0.09148   0.08475   0.0106   0.0725   1.0000
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