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NACA 23018 (naca23018-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 23018 (naca23018-il)
Reynolds number: 500,000
Max Cl/Cd: 71.29 at α=8.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca23018-il-500000.txt
Download as CSV file: xf-naca23018-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 23018                                      
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1814   0.08601   0.08127  -0.0457   1.0000   0.0356
 -19.500  -1.1902   0.08128   0.07638  -0.0480   1.0000   0.0360
 -19.250  -1.1990   0.07665   0.07159  -0.0502   1.0000   0.0363
 -19.000  -1.2072   0.07222   0.06699  -0.0522   1.0000   0.0366
 -18.750  -1.2060   0.06940   0.06411  -0.0527   1.0000   0.0370
 -18.500  -1.2007   0.06709   0.06180  -0.0531   1.0000   0.0374
 -18.250  -1.1969   0.06453   0.05921  -0.0538   1.0000   0.0378
 -18.000  -1.1938   0.06189   0.05652  -0.0546   1.0000   0.0382
 -17.750  -1.1911   0.05923   0.05380  -0.0553   1.0000   0.0386
 -17.500  -1.1888   0.05655   0.05104  -0.0560   1.0000   0.0391
 -17.250  -1.1870   0.05389   0.04827  -0.0566   1.0000   0.0396
 -17.000  -1.1847   0.05135   0.04562  -0.0570   1.0000   0.0401
 -16.750  -1.1825   0.04887   0.04301  -0.0574   1.0000   0.0406
 -16.500  -1.1804   0.04648   0.04047  -0.0577   1.0000   0.0410
 -16.250  -1.1707   0.04488   0.03887  -0.0569   1.0000   0.0416
 -16.000  -1.1616   0.04326   0.03726  -0.0566   1.0000   0.0421
 -15.750  -1.1529   0.04163   0.03560  -0.0563   1.0000   0.0425
 -15.500  -1.1442   0.04002   0.03395  -0.0560   1.0000   0.0431
 -15.250  -1.1354   0.03844   0.03231  -0.0556   1.0000   0.0437
 -15.000  -1.1267   0.03690   0.03069  -0.0551   1.0000   0.0443
 -14.750  -1.1176   0.03544   0.02914  -0.0545   1.0000   0.0450
 -14.500  -1.1082   0.03407   0.02765  -0.0539   1.0000   0.0455
 -14.250  -1.0967   0.03273   0.02629  -0.0529   1.0000   0.0462
 -14.000  -1.0849   0.03151   0.02509  -0.0519   1.0000   0.0468
 -13.750  -1.0727   0.03039   0.02396  -0.0510   1.0000   0.0475
 -13.500  -1.0605   0.02934   0.02288  -0.0500   1.0000   0.0482
 -13.250  -1.0480   0.02833   0.02183  -0.0489   1.0000   0.0490
 -13.000  -1.0352   0.02739   0.02083  -0.0477   1.0000   0.0498
 -12.750  -1.0221   0.02654   0.01989  -0.0464   1.0000   0.0505
 -12.500  -1.0101   0.02555   0.01887  -0.0449   1.0000   0.0512
 -12.250  -0.9995   0.02451   0.01785  -0.0431   1.0000   0.0520
 -12.000  -0.9882   0.02370   0.01705  -0.0413   1.0000   0.0528
 -11.750  -0.9771   0.02300   0.01634  -0.0392   1.0000   0.0536
 -11.500  -0.9675   0.02238   0.01569  -0.0367   1.0000   0.0545
 -11.250  -0.9604   0.02185   0.01512  -0.0335   1.0000   0.0553
 -11.000  -0.9561   0.02142   0.01464  -0.0297   1.0000   0.0560
 -10.750  -0.9580   0.02106   0.01423  -0.0247   1.0000   0.0565
 -10.500  -0.9748   0.02065   0.01382  -0.0170   1.0000   0.0570
 -10.250  -0.9878   0.02031   0.01348  -0.0098   1.0000   0.0575
 -10.000  -0.9603   0.01965   0.01283  -0.0104   0.9976   0.0588
  -9.750  -0.9250   0.01905   0.01223  -0.0124   0.9947   0.0605
  -9.500  -0.8883   0.01854   0.01166  -0.0145   0.9925   0.0621
  -9.250  -0.8598   0.01772   0.01087  -0.0152   0.9880   0.0639
  -9.000  -0.8267   0.01712   0.01028  -0.0167   0.9844   0.0658
  -8.750  -0.7909   0.01663   0.00978  -0.0186   0.9819   0.0681
  -8.500  -0.7553   0.01598   0.00915  -0.0205   0.9800   0.0707
  -8.250  -0.7260   0.01548   0.00867  -0.0210   0.9744   0.0734
  -8.000  -0.6909   0.01501   0.00819  -0.0226   0.9709   0.0766
  -7.750  -0.6569   0.01445   0.00769  -0.0241   0.9675   0.0811
  -7.500  -0.6289   0.01400   0.00726  -0.0241   0.9609   0.0862
  -7.250  -0.6000   0.01355   0.00685  -0.0243   0.9543   0.0934
  -7.000  -0.5746   0.01306   0.00643  -0.0238   0.9468   0.1045
  -6.750  -0.5517   0.01255   0.00602  -0.0228   0.9375   0.1218
  -6.500  -0.5304   0.01199   0.00560  -0.0215   0.9278   0.1480
  -6.250  -0.5110   0.01130   0.00515  -0.0199   0.9175   0.1933
  -6.000  -0.4926   0.01066   0.00479  -0.0181   0.9057   0.2512
  -5.750  -0.4701   0.01022   0.00450  -0.0169   0.8954   0.2943
  -5.500  -0.4476   0.00989   0.00430  -0.0157   0.8825   0.3274
  -5.250  -0.4229   0.00966   0.00412  -0.0148   0.8706   0.3544
  -5.000  -0.3978   0.00947   0.00395  -0.0140   0.8577   0.3763
  -4.750  -0.3725   0.00930   0.00381  -0.0133   0.8434   0.3960
  -4.500  -0.3468   0.00915   0.00367  -0.0126   0.8293   0.4144
  -4.250  -0.3211   0.00902   0.00353  -0.0118   0.8141   0.4311
  -4.000  -0.2953   0.00891   0.00341  -0.0111   0.7971   0.4466
  -3.750  -0.2691   0.00882   0.00330  -0.0105   0.7796   0.4618
  -3.500  -0.2428   0.00876   0.00320  -0.0099   0.7614   0.4775
  -3.250  -0.2171   0.00869   0.00311  -0.0093   0.7428   0.4945
  -3.000  -0.1915   0.00863   0.00304  -0.0086   0.7245   0.5130
  -2.750  -0.1656   0.00858   0.00297  -0.0079   0.7067   0.5303
  -2.500  -0.1398   0.00854   0.00292  -0.0073   0.6890   0.5481
  -2.250  -0.1138   0.00849   0.00288  -0.0067   0.6712   0.5670
  -2.000  -0.0876   0.00847   0.00284  -0.0061   0.6533   0.5850
  -1.500  -0.0353   0.00844   0.00278  -0.0050   0.6188   0.6192
  -1.250  -0.0092   0.00844   0.00277  -0.0044   0.6013   0.6348
  -1.000   0.0171   0.00846   0.00275  -0.0039   0.5841   0.6503
  -0.750   0.0438   0.00847   0.00275  -0.0035   0.5681   0.6665
  -0.500   0.0701   0.00849   0.00277  -0.0030   0.5524   0.6835
  -0.250   0.0963   0.00852   0.00279  -0.0024   0.5371   0.7002
   0.000   0.1225   0.00856   0.00283  -0.0019   0.5221   0.7168
   0.250   0.1493   0.00859   0.00287  -0.0015   0.5081   0.7336
   1.000   0.2285   0.00878   0.00305   0.0000   0.4645   0.7827
   1.250   0.2550   0.00886   0.00312   0.0005   0.4507   0.7980
   1.500   0.2810   0.00898   0.00319   0.0010   0.4362   0.8132
   1.750   0.3073   0.00908   0.00330   0.0015   0.4210   0.8271
   2.000   0.3336   0.00919   0.00340   0.0020   0.4056   0.8406
   2.250   0.3594   0.00934   0.00350   0.0026   0.3905   0.8545
   2.500   0.3853   0.00951   0.00364   0.0032   0.3756   0.8664
   2.750   0.4107   0.00968   0.00377   0.0038   0.3607   0.8789
   3.000   0.4366   0.00986   0.00393   0.0044   0.3467   0.8904
   3.250   0.4620   0.01006   0.00409   0.0051   0.3332   0.9010
   3.500   0.4861   0.01031   0.00427   0.0060   0.3200   0.9125
   3.750   0.5128   0.01051   0.00446   0.0064   0.3088   0.9211
   4.000   0.5367   0.01075   0.00465   0.0073   0.2989   0.9318
   4.250   0.5646   0.01100   0.00487   0.0074   0.2894   0.9389
   4.500   0.5900   0.01127   0.00509   0.0080   0.2805   0.9481
   4.750   0.6201   0.01152   0.00531   0.0076   0.2716   0.9540
   5.000   0.6512   0.01185   0.00558   0.0068   0.2633   0.9596
   5.250   0.6804   0.01207   0.00580   0.0066   0.2563   0.9665
   5.500   0.7169   0.01246   0.00610   0.0046   0.2482   0.9692
   5.750   0.7558   0.01270   0.00635   0.0022   0.2425   0.9718
   6.000   0.7922   0.01300   0.00661   0.0002   0.2364   0.9752
   6.250   0.8233   0.01338   0.00693  -0.0007   0.2304   0.9802
   6.500   0.8633   0.01358   0.00717  -0.0034   0.2260   0.9818
   6.750   0.9014   0.01386   0.00743  -0.0058   0.2209   0.9841
   7.000   0.9368   0.01424   0.00775  -0.0077   0.2156   0.9872
   7.250   0.9722   0.01450   0.00804  -0.0095   0.2113   0.9908
   7.500   1.0088   0.01474   0.00829  -0.0116   0.2067   0.9933
   7.750   1.0455   0.01506   0.00858  -0.0139   0.2019   0.9956
   8.000   1.0810   0.01544   0.00894  -0.0159   0.1973   0.9981
   8.250   1.1150   0.01564   0.00919  -0.0175   0.1934   1.0000
   8.500   1.1268   0.01582   0.00938  -0.0147   0.1901   1.0000
   8.750   1.1360   0.01606   0.00960  -0.0115   0.1867   1.0000
   9.000   1.1427   0.01637   0.00989  -0.0078   0.1832   1.0000
   9.250   1.1539   0.01649   0.01007  -0.0048   0.1802   1.0000
   9.500   1.1627   0.01667   0.01028  -0.0014   0.1768   1.0000
   9.750   1.1647   0.01688   0.01048   0.0032   0.1734   1.0000
  10.000   1.1654   0.01725   0.01080   0.0080   0.1697   1.0000
  10.250   1.1784   0.01743   0.01104   0.0105   0.1661   1.0000
  10.500   1.1910   0.01774   0.01137   0.0129   0.1615   1.0000
  10.750   1.2017   0.01826   0.01185   0.0153   0.1569   1.0000
  11.000   1.2188   0.01862   0.01226   0.0167   0.1526   1.0000
  11.250   1.2339   0.01911   0.01276   0.0182   0.1480   1.0000
  11.500   1.2460   0.01980   0.01342   0.0200   0.1437   1.0000
  11.750   1.2633   0.02029   0.01396   0.0211   0.1392   1.0000
  12.000   1.2766   0.02101   0.01467   0.0225   0.1348   1.0000
  12.250   1.2897   0.02179   0.01547   0.0238   0.1307   1.0000
  12.500   1.3042   0.02253   0.01625   0.0249   0.1265   1.0000
  12.750   1.3145   0.02356   0.01726   0.0262   0.1228   1.0000
  13.000   1.3272   0.02449   0.01824   0.0272   0.1195   1.0000
  13.250   1.3395   0.02550   0.01929   0.0281   0.1162   1.0000
  13.500   1.3481   0.02679   0.02058   0.0291   0.1132   1.0000
  13.750   1.3570   0.02813   0.02196   0.0300   0.1106   1.0000
  14.000   1.3682   0.02935   0.02324   0.0306   0.1079   1.0000
  14.250   1.3763   0.03086   0.02479   0.0312   0.1054   1.0000
  14.500   1.3800   0.03278   0.02672   0.0318   0.1030   1.0000
  14.750   1.3874   0.03446   0.02848   0.0322   0.1009   1.0000
  15.000   1.3952   0.03617   0.03025   0.0324   0.0987   1.0000
  15.250   1.3993   0.03825   0.03238   0.0326   0.0966   1.0000
  15.500   1.3989   0.04082   0.03498   0.0326   0.0946   1.0000
  15.750   1.4004   0.04330   0.03753   0.0325   0.0928   1.0000
  16.000   1.4049   0.04556   0.03988   0.0323   0.0909   1.0000
  16.250   1.4061   0.04822   0.04261   0.0319   0.0891   1.0000
  16.500   1.4031   0.05138   0.04583   0.0313   0.0874   1.0000
  16.750   1.3958   0.05506   0.04954   0.0307   0.0856   1.0000
  17.000   1.3962   0.05801   0.05260   0.0300   0.0841   1.0000
  17.250   1.3946   0.06124   0.05593   0.0291   0.0823   1.0000
  17.500   1.3897   0.06492   0.05967   0.0280   0.0806   1.0000
  17.750   1.3807   0.06909   0.06389   0.0268   0.0790   1.0000
  18.000   1.3723   0.07322   0.06807   0.0256   0.0774   1.0000
  18.250   1.3672   0.07716   0.07213   0.0242   0.0758   1.0000
  18.500   1.3597   0.08142   0.07649   0.0227   0.0741   1.0000
  18.750   1.3496   0.08602   0.08115   0.0210   0.0725   1.0000
  19.000   1.3388   0.09063   0.08577   0.0194   0.0709   1.0000
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