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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 1,000,000
Max Cl/Cd: 77.89 at α=10°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca0018-il-1000000.txt
Download as CSV file: xf-naca0018-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 0018                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -1.3288   0.08320   0.07879  -0.0285   1.0000   0.0371
 -19.250  -1.3394   0.07849   0.07398  -0.0302   1.0000   0.0374
 -19.000  -1.3552   0.07319   0.06859  -0.0321   1.0000   0.0377
 -18.750  -1.3684   0.06829   0.06362  -0.0337   1.0000   0.0381
 -18.500  -1.3790   0.06378   0.05903  -0.0351   1.0000   0.0385
 -18.250  -1.3871   0.05966   0.05483  -0.0363   1.0000   0.0388
 -18.000  -1.3931   0.05589   0.05098  -0.0373   1.0000   0.0392
 -17.750  -1.3969   0.05241   0.04742  -0.0382   1.0000   0.0396
 -17.500  -1.3987   0.04925   0.04418  -0.0388   1.0000   0.0400
 -17.250  -1.3989   0.04635   0.04121  -0.0393   1.0000   0.0405
 -17.000  -1.3974   0.04369   0.03847  -0.0397   1.0000   0.0409
 -16.750  -1.3944   0.04125   0.03596  -0.0399   1.0000   0.0413
 -16.500  -1.3892   0.03910   0.03372  -0.0400   1.0000   0.0417
 -16.250  -1.3910   0.03635   0.03091  -0.0399   1.0000   0.0424
 -16.000  -1.3894   0.03399   0.02850  -0.0397   1.0000   0.0431
 -15.750  -1.3846   0.03203   0.02649  -0.0393   1.0000   0.0439
 -15.500  -1.3778   0.03032   0.02474  -0.0388   1.0000   0.0447
 -15.250  -1.3688   0.02884   0.02321  -0.0382   1.0000   0.0455
 -15.000  -1.3579   0.02756   0.02187  -0.0376   1.0000   0.0463
 -14.750  -1.3492   0.02617   0.02043  -0.0368   1.0000   0.0474
 -14.500  -1.3414   0.02478   0.01902  -0.0357   1.0000   0.0486
 -14.250  -1.3308   0.02365   0.01786  -0.0346   1.0000   0.0498
 -14.000  -1.3183   0.02269   0.01687  -0.0335   1.0000   0.0512
 -13.750  -1.3049   0.02184   0.01596  -0.0324   1.0000   0.0524
 -13.500  -1.2945   0.02083   0.01496  -0.0309   1.0000   0.0543
 -13.250  -1.2815   0.02004   0.01415  -0.0295   1.0000   0.0561
 -13.000  -1.2663   0.01942   0.01349  -0.0282   1.0000   0.0579
 -12.750  -1.2544   0.01865   0.01273  -0.0264   1.0000   0.0602
 -12.500  -1.2407   0.01804   0.01211  -0.0247   1.0000   0.0626
 -12.250  -1.2261   0.01754   0.01159  -0.0230   1.0000   0.0649
 -12.000  -1.2153   0.01697   0.01104  -0.0205   1.0000   0.0677
 -11.750  -1.2048   0.01657   0.01062  -0.0177   1.0000   0.0703
 -11.500  -1.1991   0.01622   0.01027  -0.0139   1.0000   0.0725
 -11.250  -1.2027   0.01594   0.00999  -0.0082   1.0000   0.0747
 -11.000  -1.2083   0.01575   0.00979  -0.0020   1.0000   0.0766
 -10.750  -1.1948   0.01549   0.00950   0.0005   0.9995   0.0792
 -10.500  -1.1641   0.01497   0.00903  -0.0006   0.9978   0.0838
 -10.250  -1.1316   0.01459   0.00865  -0.0020   0.9959   0.0879
 -10.000  -1.0994   0.01413   0.00823  -0.0033   0.9942   0.0931
  -9.750  -1.0657   0.01376   0.00787  -0.0049   0.9928   0.0980
  -9.500  -1.0346   0.01334   0.00750  -0.0060   0.9907   0.1039
  -9.250  -1.0038   0.01297   0.00715  -0.0069   0.9877   0.1098
  -9.000  -0.9711   0.01260   0.00682  -0.0082   0.9853   0.1161
  -8.750  -0.9375   0.01220   0.00648  -0.0097   0.9834   0.1236
  -8.500  -0.9031   0.01186   0.00617  -0.0113   0.9815   0.1309
  -8.250  -0.8703   0.01151   0.00586  -0.0126   0.9791   0.1393
  -8.000  -0.8446   0.01118   0.00559  -0.0122   0.9726   0.1476
  -7.750  -0.8157   0.01089   0.00532  -0.0125   0.9677   0.1560
  -7.500  -0.7902   0.01059   0.00507  -0.0121   0.9610   0.1654
  -7.250  -0.7656   0.01032   0.00483  -0.0114   0.9533   0.1743
  -6.750  -0.7170   0.00981   0.00440  -0.0099   0.9362   0.1958
  -6.500  -0.6927   0.00956   0.00419  -0.0091   0.9270   0.2076
  -6.250  -0.6677   0.00936   0.00400  -0.0085   0.9172   0.2182
  -6.000  -0.6424   0.00915   0.00383  -0.0079   0.9068   0.2295
  -5.750  -0.6173   0.00894   0.00364  -0.0072   0.8961   0.2413
  -5.500  -0.5913   0.00877   0.00348  -0.0068   0.8844   0.2526
  -5.250  -0.5653   0.00861   0.00333  -0.0063   0.8726   0.2647
  -5.000  -0.5396   0.00844   0.00318  -0.0058   0.8598   0.2777
  -4.750  -0.5132   0.00829   0.00304  -0.0054   0.8465   0.2899
  -4.500  -0.4865   0.00818   0.00292  -0.0050   0.8332   0.3019
  -4.000  -0.4337   0.00792   0.00268  -0.0042   0.8039   0.3281
  -3.750  -0.4067   0.00783   0.00258  -0.0040   0.7890   0.3408
  -3.500  -0.3802   0.00773   0.00248  -0.0036   0.7739   0.3548
  -3.000  -0.3264   0.00756   0.00231  -0.0030   0.7424   0.3822
  -2.750  -0.2992   0.00750   0.00224  -0.0027   0.7268   0.3958
  -2.500  -0.2725   0.00743   0.00217  -0.0024   0.7111   0.4105
  -2.250  -0.2456   0.00738   0.00211  -0.0021   0.6949   0.4245
  -2.000  -0.2183   0.00733   0.00206  -0.0018   0.6787   0.4386
  -1.750  -0.1910   0.00729   0.00202  -0.0016   0.6628   0.4529
  -1.500  -0.1639   0.00724   0.00198  -0.0014   0.6472   0.4672
  -1.250  -0.1367   0.00722   0.00195  -0.0011   0.6313   0.4809
  -0.750  -0.0820   0.00718   0.00190  -0.0007   0.5997   0.5097
  -0.500  -0.0547   0.00716   0.00188  -0.0004   0.5847   0.5242
  -0.250  -0.0273   0.00716   0.00187  -0.0002   0.5695   0.5387
   0.000   0.0000   0.00718   0.00187   0.0000   0.5540   0.5540
   0.250   0.0273   0.00717   0.00187   0.0002   0.5386   0.5695
   0.500   0.0547   0.00716   0.00188   0.0004   0.5241   0.5847
   0.750   0.0820   0.00718   0.00190   0.0007   0.5097   0.5997
   1.250   0.1367   0.00722   0.00195   0.0011   0.4809   0.6313
   1.500   0.1639   0.00724   0.00198   0.0014   0.4672   0.6472
   1.750   0.1910   0.00729   0.00202   0.0016   0.4529   0.6629
   2.000   0.2183   0.00733   0.00206   0.0018   0.4385   0.6787
   2.250   0.2456   0.00738   0.00211   0.0021   0.4246   0.6949
   2.500   0.2725   0.00743   0.00217   0.0024   0.4105   0.7111
   2.750   0.2993   0.00750   0.00224   0.0027   0.3958   0.7267
   3.000   0.3265   0.00756   0.00231   0.0030   0.3822   0.7423
   3.500   0.3802   0.00773   0.00248   0.0036   0.3547   0.7740
   3.750   0.4068   0.00783   0.00258   0.0039   0.3407   0.7890
   4.000   0.4338   0.00792   0.00268   0.0042   0.3281   0.8038
   4.500   0.4866   0.00818   0.00292   0.0050   0.3019   0.8332
   4.750   0.5133   0.00829   0.00304   0.0054   0.2899   0.8465
   5.000   0.5397   0.00844   0.00318   0.0058   0.2776   0.8598
   5.250   0.5654   0.00861   0.00333   0.0063   0.2648   0.8726
   5.500   0.5914   0.00877   0.00348   0.0067   0.2526   0.8844
   5.750   0.6174   0.00895   0.00364   0.0072   0.2412   0.8961
   6.000   0.6426   0.00915   0.00383   0.0078   0.2295   0.9068
   6.250   0.6678   0.00936   0.00400   0.0084   0.2181   0.9172
   6.500   0.6929   0.00956   0.00419   0.0091   0.2075   0.9270
   6.750   0.7172   0.00981   0.00440   0.0098   0.1959   0.9362
   7.250   0.7658   0.01032   0.00483   0.0114   0.1742   0.9532
   7.500   0.7904   0.01059   0.00507   0.0120   0.1654   0.9610
   7.750   0.8158   0.01090   0.00532   0.0125   0.1559   0.9677
   8.000   0.8448   0.01118   0.00558   0.0122   0.1475   0.9726
   8.250   0.8704   0.01150   0.00586   0.0125   0.1393   0.9792
   8.500   0.9033   0.01186   0.00617   0.0112   0.1308   0.9815
   8.750   0.9377   0.01220   0.00648   0.0097   0.1235   0.9834
   9.000   0.9713   0.01260   0.00682   0.0081   0.1161   0.9853
   9.250   1.0041   0.01296   0.00715   0.0068   0.1098   0.9878
   9.500   1.0348   0.01334   0.00750   0.0059   0.1039   0.9907
   9.750   1.0661   0.01375   0.00787   0.0048   0.0980   0.9928
  10.000   1.0998   0.01412   0.00822   0.0033   0.0931   0.9942
  10.250   1.1319   0.01459   0.00864   0.0019   0.0879   0.9960
  10.500   1.1645   0.01497   0.00902   0.0006   0.0838   0.9978
  10.750   1.1953   0.01548   0.00950  -0.0006   0.0791   0.9996
  11.000   1.2083   0.01575   0.00978   0.0020   0.0766   1.0000
  11.250   1.2029   0.01594   0.00998   0.0082   0.0747   1.0000
  11.500   1.1994   0.01622   0.01026   0.0139   0.0725   1.0000
  11.750   1.2053   0.01656   0.01062   0.0177   0.0702   1.0000
  12.000   1.2159   0.01697   0.01103   0.0204   0.0677   1.0000
  12.250   1.2268   0.01754   0.01159   0.0228   0.0648   1.0000
  12.500   1.2416   0.01803   0.01210   0.0245   0.0626   1.0000
  12.750   1.2554   0.01864   0.01272   0.0263   0.0602   1.0000
  13.000   1.2674   0.01941   0.01348   0.0280   0.0578   1.0000
  13.250   1.2827   0.02003   0.01414   0.0293   0.0561   1.0000
  13.500   1.2957   0.02082   0.01494   0.0307   0.0543   1.0000
  13.750   1.3061   0.02183   0.01595   0.0322   0.0524   1.0000
  14.000   1.3198   0.02267   0.01684   0.0333   0.0511   1.0000
  14.250   1.3324   0.02362   0.01783   0.0344   0.0498   1.0000
  14.500   1.3430   0.02476   0.01899   0.0354   0.0485   1.0000
  14.750   1.3509   0.02615   0.02040   0.0365   0.0473   1.0000
  15.000   1.3599   0.02752   0.02183   0.0373   0.0463   1.0000
  15.250   1.3708   0.02880   0.02316   0.0379   0.0455   1.0000
  15.500   1.3799   0.03028   0.02469   0.0385   0.0446   1.0000
  15.750   1.3869   0.03198   0.02643   0.0390   0.0438   1.0000
  16.000   1.3917   0.03394   0.02844   0.0394   0.0431   1.0000
  16.250   1.3932   0.03631   0.03087   0.0396   0.0424   1.0000
  16.500   1.3922   0.03899   0.03362   0.0396   0.0417   1.0000
  16.750   1.3972   0.04116   0.03586   0.0395   0.0413   1.0000
  17.000   1.4005   0.04358   0.03836   0.0393   0.0409   1.0000
  17.250   1.4020   0.04625   0.04110   0.0389   0.0404   1.0000
  17.500   1.4019   0.04914   0.04407   0.0384   0.0400   1.0000
  17.750   1.4002   0.05229   0.04730   0.0378   0.0396   1.0000
  18.000   1.3966   0.05575   0.05084   0.0369   0.0392   1.0000
  18.250   1.3907   0.05953   0.05469   0.0359   0.0388   1.0000
  18.500   1.3824   0.06367   0.05891   0.0347   0.0384   1.0000
  18.750   1.3718   0.06820   0.06352   0.0332   0.0381   1.0000
  19.000   1.3585   0.07312   0.06852   0.0316   0.0377   1.0000
  19.250   1.3426   0.07843   0.07392   0.0298   0.0373   1.0000
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