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NACA 2418 (naca2418-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 2418 (naca2418-il)
Reynolds number: 500,000
Max Cl/Cd: 75.28 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca2418-il-500000-n5.txt
Download as CSV file: xf-naca2418-il-500000-n5.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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -1.0750   0.08619   0.08147  -0.0561   1.0000   0.0364
 -18.500  -1.0880   0.08090   0.07609  -0.0586   1.0000   0.0367
 -18.250  -1.1009   0.07569   0.07078  -0.0611   1.0000   0.0370
 -18.000  -1.1131   0.07060   0.06560  -0.0635   1.0000   0.0373
 -17.750  -1.1244   0.06576   0.06065  -0.0658   1.0000   0.0376
 -17.500  -1.1344   0.06117   0.05596  -0.0679   1.0000   0.0379
 -17.250  -1.1432   0.05680   0.05148  -0.0698   1.0000   0.0383
 -17.000  -1.1502   0.05279   0.04737  -0.0715   1.0000   0.0386
 -16.750  -1.1553   0.04906   0.04353  -0.0731   1.0000   0.0389
 -16.500  -1.1581   0.04572   0.04008  -0.0743   1.0000   0.0393
 -16.250  -1.1626   0.04226   0.03654  -0.0756   1.0000   0.0396
 -16.000  -1.1647   0.03919   0.03340  -0.0765   1.0000   0.0400
 -15.750  -1.1643   0.03654   0.03068  -0.0771   1.0000   0.0405
 -15.500  -1.1620   0.03423   0.02829  -0.0774   1.0000   0.0410
 -15.250  -1.1583   0.03221   0.02621  -0.0773   1.0000   0.0416
 -15.000  -1.1536   0.03045   0.02438  -0.0768   1.0000   0.0422
 -14.750  -1.1481   0.02893   0.02279  -0.0760   1.0000   0.0428
 -14.500  -1.1424   0.02762   0.02141  -0.0748   1.0000   0.0435
 -14.250  -1.1386   0.02642   0.02016  -0.0730   1.0000   0.0441
 -14.000  -1.1383   0.02531   0.01902  -0.0704   1.0000   0.0448
 -13.750  -1.1391   0.02442   0.01809  -0.0671   1.0000   0.0455
 -13.500  -1.1426   0.02370   0.01733  -0.0630   1.0000   0.0462
 -13.250  -1.1369   0.02300   0.01659  -0.0604   0.9989   0.0471
 -13.000  -1.1138   0.02224   0.01577  -0.0608   0.9960   0.0484
 -12.750  -1.0904   0.02148   0.01497  -0.0613   0.9933   0.0496
 -12.500  -1.0683   0.02077   0.01425  -0.0613   0.9898   0.0511
 -12.250  -1.0448   0.02016   0.01360  -0.0613   0.9859   0.0527
 -12.000  -1.0180   0.01958   0.01297  -0.0619   0.9831   0.0545
 -11.750  -0.9895   0.01893   0.01233  -0.0629   0.9809   0.0565
 -11.500  -0.9643   0.01843   0.01180  -0.0630   0.9771   0.0588
 -11.250  -0.9396   0.01793   0.01128  -0.0629   0.9726   0.0610
 -11.000  -0.9122   0.01743   0.01078  -0.0633   0.9692   0.0638
 -10.750  -0.8831   0.01698   0.01030  -0.0640   0.9665   0.0664
 -10.500  -0.8613   0.01656   0.00989  -0.0632   0.9601   0.0691
 -10.250  -0.8349   0.01617   0.00948  -0.0632   0.9552   0.0720
 -10.000  -0.8067   0.01575   0.00905  -0.0635   0.9512   0.0749
  -9.750  -0.7845   0.01540   0.00870  -0.0626   0.9423   0.0780
  -9.500  -0.7574   0.01504   0.00831  -0.0626   0.9355   0.0812
  -9.250  -0.7344   0.01471   0.00798  -0.0617   0.9263   0.0847
  -9.000  -0.7083   0.01442   0.00765  -0.0614   0.9194   0.0880
  -8.750  -0.6842   0.01410   0.00733  -0.0608   0.9118   0.0913
  -8.500  -0.6590   0.01383   0.00703  -0.0603   0.9039   0.0947
  -8.250  -0.6333   0.01358   0.00674  -0.0599   0.8965   0.0979
  -8.000  -0.6086   0.01329   0.00646  -0.0593   0.8876   0.1018
  -7.750  -0.5826   0.01305   0.00618  -0.0589   0.8796   0.1057
  -7.500  -0.5574   0.01280   0.00593  -0.0584   0.8703   0.1097
  -7.250  -0.5315   0.01256   0.00566  -0.0580   0.8616   0.1145
  -7.000  -0.5058   0.01234   0.00543  -0.0575   0.8516   0.1193
  -6.500  -0.4540   0.01191   0.00497  -0.0567   0.8318   0.1308
  -6.250  -0.4281   0.01170   0.00474  -0.0563   0.8216   0.1375
  -6.000  -0.4020   0.01150   0.00455  -0.0559   0.8103   0.1444
  -5.750  -0.3758   0.01132   0.00435  -0.0555   0.7998   0.1528
  -5.500  -0.3497   0.01113   0.00416  -0.0551   0.7884   0.1620
  -5.250  -0.3234   0.01097   0.00400  -0.0547   0.7774   0.1720
  -5.000  -0.2971   0.01082   0.00384  -0.0544   0.7656   0.1835
  -4.750  -0.2708   0.01066   0.00370  -0.0540   0.7545   0.1958
  -4.250  -0.2176   0.01042   0.00345  -0.0534   0.7310   0.2186
  -4.000  -0.1909   0.01033   0.00334  -0.0530   0.7198   0.2302
  -3.750  -0.1642   0.01023   0.00324  -0.0527   0.7076   0.2403
  -3.500  -0.1371   0.01017   0.00315  -0.0524   0.6959   0.2503
  -3.250  -0.1106   0.01009   0.00306  -0.0521   0.6836   0.2606
  -2.750  -0.0568   0.00997   0.00291  -0.0515   0.6589   0.2803
  -2.500  -0.0298   0.00993   0.00285  -0.0512   0.6459   0.2906
  -2.250  -0.0030   0.00987   0.00279  -0.0509   0.6336   0.3021
  -2.000   0.0235   0.00984   0.00273  -0.0506   0.6210   0.3132
  -1.750   0.0505   0.00979   0.00269  -0.0503   0.6084   0.3269
  -1.500   0.0771   0.00974   0.00265  -0.0500   0.5973   0.3413
  -1.250   0.1036   0.00970   0.00263  -0.0496   0.5854   0.3574
  -1.000   0.1300   0.00963   0.00260  -0.0493   0.5743   0.3798
  -0.750   0.1560   0.00957   0.00259  -0.0488   0.5638   0.4078
  -0.500   0.1824   0.00948   0.00259  -0.0485   0.5545   0.4352
  -0.250   0.2085   0.00945   0.00260  -0.0481   0.5444   0.4602
   0.000   0.2352   0.00941   0.00262  -0.0478   0.5348   0.4855
   0.250   0.2610   0.00942   0.00265  -0.0473   0.5232   0.5092
   0.500   0.2876   0.00942   0.00268  -0.0470   0.5112   0.5318
   0.750   0.3138   0.00944   0.00272  -0.0465   0.5010   0.5537
   1.000   0.3408   0.00943   0.00276  -0.0463   0.4926   0.5745
   1.250   0.3670   0.00947   0.00282  -0.0459   0.4838   0.5942
   1.500   0.3940   0.00947   0.00287  -0.0456   0.4758   0.6147
   1.750   0.4205   0.00949   0.00294  -0.0452   0.4678   0.6345
   2.000   0.4470   0.00952   0.00301  -0.0449   0.4602   0.6531
   2.250   0.4736   0.00954   0.00309  -0.0445   0.4513   0.6737
   2.500   0.4993   0.00960   0.00318  -0.0440   0.4427   0.6961
   2.750   0.5258   0.00962   0.00327  -0.0436   0.4345   0.7185
   3.000   0.5514   0.00969   0.00338  -0.0431   0.4261   0.7402
   3.250   0.5774   0.00973   0.00349  -0.0426   0.4177   0.7643
   3.500   0.6024   0.00981   0.00361  -0.0419   0.4078   0.7889
   3.750   0.6279   0.00988   0.00375  -0.0413   0.3991   0.8122
   4.000   0.6523   0.01000   0.00390  -0.0404   0.3891   0.8361
   4.250   0.6763   0.01012   0.00406  -0.0395   0.3766   0.8637
   4.500   0.6992   0.01030   0.00425  -0.0383   0.3627   0.8921
   4.750   0.7225   0.01052   0.00446  -0.0372   0.3495   0.9150
   5.000   0.7481   0.01070   0.00464  -0.0367   0.3386   0.9319
   5.250   0.7752   0.01094   0.00485  -0.0365   0.3278   0.9452
   5.500   0.8039   0.01120   0.00506  -0.0367   0.3161   0.9561
   5.750   0.8325   0.01145   0.00528  -0.0370   0.3048   0.9663
   6.000   0.8636   0.01175   0.00552  -0.0378   0.2931   0.9738
   6.250   0.8934   0.01206   0.00577  -0.0384   0.2804   0.9812
   6.500   0.9253   0.01237   0.00604  -0.0396   0.2677   0.9868
   6.750   0.9555   0.01272   0.00633  -0.0404   0.2549   0.9924
   7.000   0.9877   0.01312   0.00664  -0.0417   0.2412   0.9960
   7.500   1.0295   0.01376   0.00719  -0.0395   0.2203   1.0000
   8.000   1.0491   0.01431   0.00767  -0.0328   0.2042   1.0000
   8.250   1.0619   0.01468   0.00799  -0.0302   0.1953   1.0000
   8.500   1.0776   0.01505   0.00832  -0.0282   0.1856   1.0000
   8.750   1.0937   0.01547   0.00871  -0.0263   0.1768   1.0000
   9.250   1.1262   0.01640   0.00956  -0.0229   0.1585   1.0000
   9.500   1.1421   0.01693   0.01005  -0.0213   0.1495   1.0000
   9.750   1.1570   0.01753   0.01061  -0.0196   0.1407   1.0000
  10.000   1.1728   0.01812   0.01117  -0.0181   0.1327   1.0000
  10.250   1.1879   0.01876   0.01180  -0.0165   0.1261   1.0000
  10.500   1.2025   0.01945   0.01247  -0.0150   0.1198   1.0000
  10.750   1.2175   0.02015   0.01316  -0.0136   0.1146   1.0000
  11.000   1.2313   0.02094   0.01394  -0.0122   0.1091   1.0000
  11.250   1.2453   0.02174   0.01475  -0.0108   0.1045   1.0000
  11.500   1.2586   0.02261   0.01562  -0.0095   0.0997   1.0000
  11.750   1.2713   0.02354   0.01656  -0.0082   0.0955   1.0000
  12.000   1.2841   0.02450   0.01753  -0.0070   0.0912   1.0000
  12.250   1.2955   0.02559   0.01863  -0.0058   0.0876   1.0000
  12.500   1.3076   0.02666   0.01973  -0.0047   0.0839   1.0000
  12.750   1.3175   0.02793   0.02101  -0.0036   0.0803   1.0000
  13.000   1.3286   0.02915   0.02226  -0.0027   0.0772   1.0000
  13.250   1.3377   0.03055   0.02368  -0.0017   0.0739   1.0000
  13.500   1.3464   0.03203   0.02519  -0.0008   0.0711   1.0000
  13.750   1.3545   0.03360   0.02680   0.0000   0.0682   1.0000
  14.000   1.3604   0.03541   0.02863   0.0008   0.0656   1.0000
  14.250   1.3681   0.03712   0.03039   0.0014   0.0633   1.0000
  14.500   1.3737   0.03906   0.03237   0.0019   0.0610   1.0000
  14.750   1.3775   0.04125   0.03459   0.0024   0.0592   1.0000
  15.000   1.3831   0.04330   0.03671   0.0027   0.0575   1.0000
  15.250   1.3869   0.04559   0.03906   0.0030   0.0559   1.0000
  15.500   1.3888   0.04813   0.04165   0.0031   0.0544   1.0000
  15.750   1.3897   0.05086   0.04444   0.0031   0.0532   1.0000
  16.000   1.3923   0.05343   0.04708   0.0031   0.0520   1.0000
  16.250   1.3934   0.05622   0.04994   0.0030   0.0509   1.0000
  16.500   1.3930   0.05923   0.05302   0.0027   0.0498   1.0000
  16.750   1.3908   0.06251   0.05636   0.0023   0.0488   1.0000
  17.250   1.3859   0.06927   0.06327   0.0013   0.0472   1.0000
  17.500   1.3838   0.07266   0.06674   0.0007   0.0463   1.0000
  17.750   1.3807   0.07622   0.07038   0.0000   0.0455   1.0000
  18.000   1.3763   0.07998   0.07421  -0.0008   0.0448   1.0000
  18.250   1.3704   0.08399   0.07830  -0.0018   0.0441   1.0000
  18.500   1.3636   0.08817   0.08255  -0.0029   0.0435   1.0000
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