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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 100,000
Max Cl/Cd: 38.08 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca0018-il-100000-n5.txt
Download as CSV file: xf-naca0018-il-100000-n5.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 =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -0.7056   0.18357   0.17707   0.0125   1.0000   0.0618
 -18.250  -0.7312   0.17080   0.16428   0.0055   1.0000   0.0645
 -18.000  -0.9311   0.11971   0.11273  -0.0226   1.0000   0.0715
 -17.750  -0.8775   0.12672   0.11994  -0.0180   1.0000   0.0724
 -17.500  -0.9340   0.11189   0.10487  -0.0263   1.0000   0.0739
 -17.250  -0.9703   0.10170   0.09444  -0.0319   1.0000   0.0750
 -17.000  -0.9964   0.09376   0.08627  -0.0360   1.0000   0.0762
 -16.750  -1.0179   0.08687   0.07915  -0.0393   1.0000   0.0774
 -16.500  -1.0368   0.08065   0.07266  -0.0420   1.0000   0.0787
 -16.250  -1.0350   0.07781   0.06981  -0.0428   1.0000   0.0800
 -16.000  -1.0347   0.07477   0.06674  -0.0436   1.0000   0.0814
 -15.750  -1.0376   0.07129   0.06317  -0.0447   1.0000   0.0829
 -15.500  -1.0423   0.06764   0.05938  -0.0457   1.0000   0.0847
 -15.250  -1.0483   0.06390   0.05543  -0.0467   1.0000   0.0866
 -15.000  -1.0476   0.06116   0.05264  -0.0471   1.0000   0.0883
 -14.750  -1.0458   0.05865   0.05012  -0.0474   1.0000   0.0902
 -14.500  -1.0455   0.05600   0.04739  -0.0476   1.0000   0.0924
 -14.250  -1.0455   0.05332   0.04456  -0.0478   1.0000   0.0949
 -14.000  -1.0432   0.05097   0.04213  -0.0477   1.0000   0.0972
 -13.750  -1.0400   0.04886   0.04001  -0.0474   1.0000   0.0995
 -13.500  -1.0370   0.04675   0.03783  -0.0471   1.0000   0.1023
 -13.250  -1.0334   0.04471   0.03564  -0.0466   1.0000   0.1055
 -13.000  -1.0290   0.04288   0.03381  -0.0459   1.0000   0.1083
 -12.750  -1.0244   0.04115   0.03206  -0.0451   1.0000   0.1114
 -12.500  -1.0188   0.03952   0.03032  -0.0442   1.0000   0.1152
 -12.250  -1.0130   0.03798   0.02875  -0.0431   1.0000   0.1188
 -12.000  -1.0075   0.03656   0.02732  -0.0418   1.0000   0.1225
 -11.750  -1.0004   0.03526   0.02592  -0.0404   1.0000   0.1270
 -11.500  -0.9938   0.03402   0.02469  -0.0387   1.0000   0.1311
 -11.250  -0.9874   0.03289   0.02354  -0.0369   1.0000   0.1357
 -10.750  -0.9734   0.03089   0.02149  -0.0327   1.0000   0.1457
 -10.500  -0.9663   0.03003   0.02059  -0.0303   1.0000   0.1513
 -10.250  -0.9601   0.02923   0.01978  -0.0275   1.0000   0.1567
 -10.000  -0.9563   0.02851   0.01908  -0.0242   1.0000   0.1622
  -9.500  -0.9495   0.02730   0.01788  -0.0168   1.0000   0.1737
  -9.250  -0.9431   0.02674   0.01730  -0.0135   1.0000   0.1807
  -9.000  -0.9370   0.02618   0.01677  -0.0101   1.0000   0.1871
  -8.750  -0.9302   0.02567   0.01626  -0.0068   1.0000   0.1945
  -8.500  -0.9225   0.02517   0.01578  -0.0036   1.0000   0.2020
  -8.250  -0.9148   0.02471   0.01533  -0.0004   1.0000   0.2100
  -8.000  -0.9059   0.02426   0.01490   0.0027   1.0000   0.2182
  -7.750  -0.8967   0.02384   0.01450   0.0057   1.0000   0.2271
  -7.500  -0.8867   0.02344   0.01412   0.0085   1.0000   0.2360
  -7.250  -0.8758   0.02308   0.01376   0.0112   1.0000   0.2460
  -7.000  -0.8647   0.02271   0.01345   0.0138   1.0000   0.2554
  -6.750  -0.8322   0.02229   0.01303   0.0123   0.9948   0.2695
  -6.500  -0.7975   0.02189   0.01264   0.0104   0.9886   0.2846
  -6.250  -0.7628   0.02150   0.01230   0.0085   0.9820   0.2997
  -6.000  -0.7292   0.02113   0.01198   0.0069   0.9750   0.3149
  -5.750  -0.6943   0.02078   0.01168   0.0052   0.9681   0.3307
  -5.500  -0.6612   0.02045   0.01139   0.0038   0.9604   0.3466
  -5.250  -0.6261   0.02013   0.01111   0.0021   0.9531   0.3631
  -5.000  -0.5924   0.01983   0.01083   0.0008   0.9453   0.3797
  -4.750  -0.5579   0.01953   0.01057  -0.0007   0.9374   0.3969
  -4.500  -0.5239   0.01923   0.01033  -0.0019   0.9297   0.4135
  -4.250  -0.4925   0.01894   0.01011  -0.0026   0.9201   0.4294
  -4.000  -0.4597   0.01866   0.00989  -0.0035   0.9116   0.4456
  -3.750  -0.4292   0.01840   0.00967  -0.0038   0.9013   0.4616
  -3.500  -0.3983   0.01815   0.00945  -0.0042   0.8913   0.4779
  -3.000  -0.3390   0.01768   0.00907  -0.0044   0.8692   0.5102
  -2.750  -0.3069   0.01743   0.00887  -0.0049   0.8592   0.5264
  -2.500  -0.2803   0.01725   0.00874  -0.0043   0.8457   0.5421
  -2.250  -0.2501   0.01704   0.00855  -0.0044   0.8343   0.5585
  -2.000  -0.2221   0.01686   0.00839  -0.0040   0.8210   0.5752
  -1.750  -0.1947   0.01672   0.00830  -0.0035   0.8069   0.5908
  -1.500  -0.1654   0.01656   0.00818  -0.0033   0.7939   0.6068
  -1.250  -0.1373   0.01643   0.00807  -0.0028   0.7796   0.6228
  -1.000  -0.1106   0.01634   0.00800  -0.0022   0.7641   0.6391
  -0.750  -0.0833   0.01626   0.00791  -0.0016   0.7492   0.6558
  -0.500  -0.0545   0.01619   0.00786  -0.0012   0.7347   0.6714
  -0.250  -0.0269   0.01616   0.00785  -0.0006   0.7189   0.6869
   0.000   0.0000   0.01616   0.00786   0.0000   0.7027   0.7027
   0.250   0.0269   0.01616   0.00785   0.0006   0.6869   0.7189
   0.500   0.0545   0.01619   0.00786   0.0012   0.6714   0.7347
   0.750   0.0833   0.01626   0.00791   0.0016   0.6558   0.7492
   1.000   0.1106   0.01634   0.00800   0.0022   0.6391   0.7641
   1.250   0.1373   0.01643   0.00807   0.0028   0.6228   0.7796
   1.500   0.1654   0.01656   0.00818   0.0033   0.6068   0.7939
   1.750   0.1947   0.01672   0.00830   0.0035   0.5908   0.8069
   2.000   0.2221   0.01686   0.00839   0.0040   0.5752   0.8210
   2.250   0.2501   0.01704   0.00855   0.0044   0.5585   0.8343
   2.500   0.2803   0.01725   0.00874   0.0043   0.5421   0.8457
   2.750   0.3069   0.01743   0.00887   0.0049   0.5264   0.8592
   3.000   0.3390   0.01768   0.00907   0.0044   0.5102   0.8692
   3.500   0.3983   0.01815   0.00945   0.0043   0.4779   0.8914
   3.750   0.4291   0.01840   0.00966   0.0038   0.4616   0.9013
   4.000   0.4596   0.01866   0.00988   0.0035   0.4456   0.9116
   4.250   0.4925   0.01894   0.01011   0.0026   0.4294   0.9201
   4.500   0.5238   0.01923   0.01033   0.0019   0.4135   0.9297
   4.750   0.5579   0.01953   0.01056   0.0007   0.3969   0.9374
   5.000   0.5924   0.01982   0.01083  -0.0008   0.3797   0.9454
   5.250   0.6261   0.02012   0.01110  -0.0021   0.3631   0.9532
   5.500   0.6612   0.02044   0.01138  -0.0038   0.3466   0.9605
   5.750   0.6944   0.02077   0.01168  -0.0052   0.3307   0.9681
   6.000   0.7293   0.02113   0.01198  -0.0070   0.3149   0.9751
   6.250   0.7630   0.02150   0.01230  -0.0086   0.2997   0.9821
   6.500   0.7976   0.02189   0.01264  -0.0104   0.2845   0.9887
   6.750   0.8324   0.02228   0.01303  -0.0123   0.2694   0.9949
   7.000   0.8645   0.02270   0.01344  -0.0138   0.2555   1.0000
   7.250   0.8756   0.02307   0.01375  -0.0112   0.2460   1.0000
   7.500   0.8865   0.02343   0.01411  -0.0085   0.2360   1.0000
   7.750   0.8966   0.02384   0.01449  -0.0056   0.2271   1.0000
   8.000   0.9058   0.02425   0.01489  -0.0026   0.2182   1.0000
   8.250   0.9147   0.02470   0.01532   0.0004   0.2100   1.0000
   8.500   0.9225   0.02517   0.01577   0.0036   0.2020   1.0000
   8.750   0.9302   0.02566   0.01625   0.0068   0.1945   1.0000
   9.000   0.9371   0.02617   0.01676   0.0101   0.1871   1.0000
   9.250   0.9432   0.02673   0.01729   0.0135   0.1807   1.0000
   9.500   0.9497   0.02729   0.01787   0.0168   0.1737   1.0000
  10.000   0.9566   0.02851   0.01908   0.0241   0.1622   1.0000
  10.250   0.9605   0.02922   0.01977   0.0274   0.1567   1.0000
  10.500   0.9668   0.03002   0.02058   0.0302   0.1512   1.0000
  10.750   0.9739   0.03088   0.02148   0.0326   0.1456   1.0000
  11.000   0.9794   0.03188   0.02241   0.0349   0.1411   1.0000
  11.250   0.9881   0.03288   0.02353   0.0368   0.1356   1.0000
  11.500   0.9946   0.03402   0.02467   0.0386   0.1311   1.0000
  11.750   1.0013   0.03525   0.02591   0.0402   0.1269   1.0000
  12.000   1.0085   0.03655   0.02730   0.0416   0.1224   1.0000
  12.250   1.0140   0.03797   0.02873   0.0429   0.1187   1.0000
  12.500   1.0199   0.03950   0.03030   0.0440   0.1151   1.0000
  12.750   1.0256   0.04113   0.03203   0.0450   0.1113   1.0000
  13.000   1.0302   0.04286   0.03379   0.0457   0.1082   1.0000
  13.250   1.0348   0.04469   0.03562   0.0464   0.1054   1.0000
  13.500   1.0385   0.04672   0.03780   0.0469   0.1022   1.0000
  13.750   1.0416   0.04883   0.03998   0.0472   0.0994   1.0000
  14.000   1.0450   0.05093   0.04208   0.0474   0.0971   1.0000
  14.250   1.0471   0.05330   0.04454   0.0475   0.0948   1.0000
  14.500   1.0473   0.05597   0.04735   0.0474   0.0923   1.0000
  14.750   1.0478   0.05860   0.05007   0.0471   0.0901   1.0000
  15.000   1.0497   0.06109   0.05257   0.0469   0.0883   1.0000
  15.250   1.0501   0.06388   0.05543   0.0464   0.0865   1.0000
  15.500   1.0444   0.06760   0.05934   0.0455   0.0846   1.0000
  15.750   1.0399   0.07123   0.06310   0.0444   0.0829   1.0000
  16.000   1.0372   0.07467   0.06663   0.0434   0.0813   1.0000
  16.250   1.0379   0.07767   0.06965   0.0425   0.0799   1.0000
  16.500   1.0387   0.08069   0.07269   0.0417   0.0786   1.0000
  16.750   1.0199   0.08689   0.07917   0.0389   0.0774   1.0000
  17.000   0.9986   0.09375   0.08626   0.0356   0.0761   1.0000
  17.250   0.9731   0.10160   0.09434   0.0316   0.0749   1.0000
  17.500   0.9390   0.11140   0.10436   0.0263   0.0738   1.0000
  17.750   0.8970   0.12325   0.11642   0.0197   0.0725   1.0000
  18.000   0.9408   0.11831   0.11129   0.0232   0.0715   1.0000
  18.250   0.7336   0.17092   0.16440  -0.0058   0.0645   1.0000
  18.500   0.7074   0.18394   0.17744  -0.0129   0.0617   1.0000
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