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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 1,000,000
Max Cl/Cd: 73.66 at α=9.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca0018-il-1000000-n5.txt
Download as CSV file: xf-naca0018-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.3614   0.08217   0.07762  -0.0287   1.0000   0.0306
 -19.500  -1.3732   0.07730   0.07266  -0.0305   1.0000   0.0309
 -19.250  -1.3837   0.07268   0.06795  -0.0321   1.0000   0.0311
 -19.000  -1.3925   0.06835   0.06353  -0.0335   1.0000   0.0314
 -18.750  -1.3998   0.06425   0.05934  -0.0348   1.0000   0.0317
 -18.500  -1.4056   0.06041   0.05541  -0.0360   1.0000   0.0320
 -18.250  -1.4100   0.05682   0.05174  -0.0369   1.0000   0.0322
 -18.000  -1.4127   0.05347   0.04831  -0.0378   1.0000   0.0325
 -17.750  -1.4138   0.05037   0.04512  -0.0385   1.0000   0.0327
 -17.500  -1.4135   0.04750   0.04217  -0.0390   1.0000   0.0330
 -17.250  -1.4141   0.04460   0.03920  -0.0394   1.0000   0.0333
 -17.000  -1.4138   0.04186   0.03640  -0.0397   1.0000   0.0337
 -16.750  -1.4115   0.03941   0.03388  -0.0399   1.0000   0.0341
 -16.500  -1.4080   0.03717   0.03159  -0.0398   1.0000   0.0346
 -16.250  -1.4028   0.03515   0.02951  -0.0397   1.0000   0.0351
 -16.000  -1.3963   0.03330   0.02761  -0.0394   1.0000   0.0356
 -15.750  -1.3886   0.03162   0.02588  -0.0391   1.0000   0.0362
 -15.500  -1.3797   0.03010   0.02430  -0.0386   1.0000   0.0368
 -15.250  -1.3698   0.02871   0.02286  -0.0381   1.0000   0.0373
 -15.000  -1.3612   0.02726   0.02138  -0.0373   1.0000   0.0381
 -14.750  -1.3513   0.02598   0.02006  -0.0365   1.0000   0.0389
 -14.500  -1.3402   0.02484   0.01889  -0.0356   1.0000   0.0397
 -14.250  -1.3279   0.02382   0.01783  -0.0347   1.0000   0.0406
 -14.000  -1.3146   0.02291   0.01688  -0.0337   1.0000   0.0414
 -13.750  -1.3018   0.02201   0.01595  -0.0325   1.0000   0.0424
 -13.500  -1.2891   0.02115   0.01507  -0.0313   1.0000   0.0436
 -13.250  -1.2753   0.02039   0.01429  -0.0300   1.0000   0.0449
 -13.000  -1.2606   0.01973   0.01361  -0.0287   1.0000   0.0461
 -12.750  -1.2461   0.01908   0.01294  -0.0272   1.0000   0.0474
 -12.500  -1.2325   0.01845   0.01230  -0.0256   1.0000   0.0492
 -12.250  -1.2181   0.01791   0.01176  -0.0238   1.0000   0.0510
 -12.000  -1.2045   0.01743   0.01126  -0.0219   1.0000   0.0527
 -11.750  -1.1939   0.01696   0.01078  -0.0192   1.0000   0.0546
 -11.500  -1.1862   0.01659   0.01041  -0.0159   1.0000   0.0564
 -11.250  -1.1735   0.01625   0.01006  -0.0134   0.9991   0.0582
 -11.000  -1.1474   0.01575   0.00957  -0.0137   0.9962   0.0611
 -10.750  -1.1189   0.01533   0.00915  -0.0144   0.9938   0.0639
 -10.500  -1.0910   0.01488   0.00872  -0.0150   0.9913   0.0670
 -10.250  -1.0655   0.01450   0.00834  -0.0149   0.9864   0.0702
 -10.000  -1.0381   0.01410   0.00797  -0.0152   0.9822   0.0735
  -9.750  -1.0106   0.01374   0.00761  -0.0155   0.9778   0.0774
  -9.500  -0.9859   0.01339   0.00728  -0.0151   0.9709   0.0811
  -9.250  -0.9591   0.01305   0.00695  -0.0152   0.9653   0.0853
  -9.000  -0.9358   0.01276   0.00667  -0.0144   0.9567   0.0889
  -8.750  -0.9115   0.01245   0.00637  -0.0138   0.9488   0.0934
  -8.500  -0.8879   0.01220   0.00611  -0.0131   0.9390   0.0973
  -8.250  -0.8645   0.01191   0.00584  -0.0123   0.9296   0.1023
  -8.000  -0.8406   0.01167   0.00559  -0.0115   0.9186   0.1073
  -7.750  -0.8170   0.01140   0.00533  -0.0107   0.9078   0.1137
  -7.500  -0.7928   0.01118   0.00509  -0.0100   0.8959   0.1195
  -7.250  -0.7684   0.01095   0.00487  -0.0093   0.8831   0.1262
  -7.000  -0.7439   0.01072   0.00464  -0.0087   0.8705   0.1341
  -6.750  -0.7194   0.01050   0.00442  -0.0080   0.8567   0.1435
  -6.500  -0.6945   0.01028   0.00421  -0.0074   0.8425   0.1537
  -6.250  -0.6695   0.01007   0.00401  -0.0069   0.8283   0.1629
  -6.000  -0.6438   0.00992   0.00383  -0.0064   0.8141   0.1710
  -5.750  -0.6183   0.00975   0.00366  -0.0059   0.7986   0.1806
  -5.500  -0.5924   0.00959   0.00350  -0.0055   0.7836   0.1898
  -5.000  -0.5404   0.00931   0.00320  -0.0047   0.7531   0.2101
  -4.750  -0.5143   0.00919   0.00306  -0.0043   0.7366   0.2200
  -4.500  -0.4877   0.00908   0.00294  -0.0040   0.7208   0.2304
  -4.250  -0.4614   0.00895   0.00282  -0.0037   0.7048   0.2419
  -4.000  -0.4346   0.00886   0.00271  -0.0034   0.6895   0.2520
  -3.750  -0.4081   0.00877   0.00261  -0.0031   0.6734   0.2638
  -3.500  -0.3815   0.00867   0.00251  -0.0028   0.6576   0.2756
  -3.250  -0.3544   0.00859   0.00242  -0.0025   0.6424   0.2873
  -3.000  -0.3275   0.00851   0.00234  -0.0023   0.6277   0.3004
  -2.750  -0.3007   0.00843   0.00227  -0.0020   0.6125   0.3132
  -2.500  -0.2737   0.00837   0.00220  -0.0018   0.5972   0.3257
  -2.250  -0.2463   0.00831   0.00214  -0.0016   0.5826   0.3389
  -2.000  -0.2193   0.00824   0.00209  -0.0014   0.5685   0.3531
  -1.750  -0.1922   0.00821   0.00204  -0.0011   0.5536   0.3654
  -1.250  -0.1373   0.00813   0.00197  -0.0008   0.5250   0.3910
  -1.000  -0.1099   0.00811   0.00194  -0.0006   0.5109   0.4029
  -0.750  -0.0823   0.00811   0.00192  -0.0005   0.4965   0.4156
  -0.500  -0.0549   0.00808   0.00190  -0.0003   0.4834   0.4292
  -0.250  -0.0275   0.00807   0.00190  -0.0002   0.4700   0.4423
   0.000   0.0000   0.00808   0.00190   0.0000   0.4558   0.4558
   0.250   0.0275   0.00807   0.00190   0.0002   0.4421   0.4699
   0.500   0.0549   0.00808   0.00190   0.0003   0.4291   0.4834
   0.750   0.0823   0.00811   0.00192   0.0005   0.4156   0.4965
   1.000   0.1099   0.00811   0.00194   0.0006   0.4031   0.5109
   1.250   0.1373   0.00813   0.00197   0.0008   0.3909   0.5250
   1.750   0.1922   0.00821   0.00204   0.0011   0.3654   0.5536
   2.000   0.2193   0.00824   0.00209   0.0014   0.3530   0.5684
   2.250   0.2463   0.00831   0.00214   0.0016   0.3389   0.5827
   2.500   0.2737   0.00837   0.00220   0.0018   0.3258   0.5972
   2.750   0.3008   0.00843   0.00227   0.0020   0.3132   0.6125
   3.000   0.3275   0.00851   0.00234   0.0023   0.3004   0.6276
   3.250   0.3544   0.00859   0.00242   0.0025   0.2871   0.6424
   3.500   0.3815   0.00867   0.00251   0.0028   0.2756   0.6578
   3.750   0.4081   0.00877   0.00261   0.0031   0.2637   0.6734
   4.000   0.4347   0.00886   0.00271   0.0034   0.2520   0.6893
   4.250   0.4615   0.00895   0.00282   0.0036   0.2419   0.7048
   4.500   0.4877   0.00908   0.00294   0.0040   0.2304   0.7208
   4.750   0.5144   0.00919   0.00306   0.0043   0.2201   0.7366
   5.000   0.5405   0.00931   0.00320   0.0047   0.2101   0.7531
   5.500   0.5925   0.00959   0.00350   0.0055   0.1899   0.7837
   5.750   0.6184   0.00975   0.00366   0.0059   0.1805   0.7986
   6.000   0.6439   0.00992   0.00383   0.0064   0.1709   0.8141
   6.250   0.6696   0.01008   0.00401   0.0069   0.1628   0.8283
   6.500   0.6947   0.01028   0.00421   0.0074   0.1536   0.8425
   6.750   0.7196   0.01050   0.00442   0.0080   0.1436   0.8566
   7.000   0.7441   0.01072   0.00464   0.0086   0.1339   0.8705
   7.250   0.7686   0.01095   0.00487   0.0093   0.1262   0.8831
   7.500   0.7931   0.01118   0.00509   0.0099   0.1195   0.8958
   7.750   0.8173   0.01140   0.00533   0.0107   0.1137   0.9077
   8.000   0.8409   0.01168   0.00559   0.0114   0.1073   0.9186
   8.250   0.8648   0.01191   0.00584   0.0122   0.1023   0.9296
   8.500   0.8882   0.01220   0.00611   0.0130   0.0972   0.9390
   8.750   0.9119   0.01245   0.00637   0.0138   0.0933   0.9487
   9.000   0.9361   0.01276   0.00667   0.0143   0.0889   0.9567
   9.250   0.9595   0.01305   0.00695   0.0151   0.0853   0.9653
   9.500   0.9863   0.01339   0.00728   0.0151   0.0811   0.9709
   9.750   1.0110   0.01374   0.00761   0.0154   0.0774   0.9778
  10.000   1.0384   0.01410   0.00796   0.0151   0.0735   0.9822
  10.250   1.0660   0.01450   0.00834   0.0148   0.0702   0.9864
  10.500   1.0915   0.01488   0.00872   0.0149   0.0670   0.9913
  10.750   1.1195   0.01533   0.00915   0.0143   0.0639   0.9938
  11.000   1.1480   0.01575   0.00957   0.0136   0.0610   0.9963
  11.250   1.1741   0.01625   0.01005   0.0133   0.0582   0.9991
  11.500   1.1865   0.01659   0.01041   0.0158   0.0564   1.0000
  11.750   1.1944   0.01695   0.01078   0.0191   0.0546   1.0000
  12.000   1.2051   0.01742   0.01125   0.0217   0.0526   1.0000
  12.250   1.2189   0.01791   0.01175   0.0237   0.0509   1.0000
  12.500   1.2333   0.01844   0.01230   0.0254   0.0491   1.0000
  12.750   1.2471   0.01907   0.01293   0.0270   0.0474   1.0000
  13.000   1.2617   0.01971   0.01359   0.0285   0.0461   1.0000
  13.250   1.2765   0.02038   0.01428   0.0298   0.0448   1.0000
  13.500   1.2903   0.02113   0.01505   0.0310   0.0436   1.0000
  13.750   1.3032   0.02200   0.01593   0.0323   0.0424   1.0000
  14.000   1.3162   0.02288   0.01685   0.0334   0.0414   1.0000
  14.250   1.3295   0.02380   0.01780   0.0344   0.0406   1.0000
  14.500   1.3418   0.02481   0.01885   0.0353   0.0397   1.0000
  14.750   1.3531   0.02595   0.02003   0.0362   0.0388   1.0000
  15.000   1.3631   0.02723   0.02134   0.0370   0.0381   1.0000
  15.250   1.3718   0.02867   0.02281   0.0378   0.0373   1.0000
  15.500   1.3819   0.03005   0.02425   0.0383   0.0367   1.0000
  15.750   1.3909   0.03157   0.02582   0.0388   0.0361   1.0000
  16.000   1.3987   0.03324   0.02754   0.0391   0.0356   1.0000
  16.250   1.4053   0.03508   0.02944   0.0394   0.0350   1.0000
  16.500   1.4106   0.03710   0.03151   0.0395   0.0346   1.0000
  16.750   1.4143   0.03933   0.03380   0.0395   0.0341   1.0000
  17.000   1.4166   0.04178   0.03631   0.0394   0.0337   1.0000
  17.250   1.4171   0.04450   0.03910   0.0391   0.0333   1.0000
  17.500   1.4169   0.04737   0.04203   0.0386   0.0330   1.0000
  17.750   1.4173   0.05022   0.04497   0.0381   0.0327   1.0000
  18.000   1.4164   0.05332   0.04815   0.0374   0.0325   1.0000
  18.250   1.4138   0.05666   0.05158   0.0365   0.0322   1.0000
  18.500   1.4095   0.06025   0.05525   0.0355   0.0319   1.0000
  18.750   1.4037   0.06408   0.05917   0.0344   0.0316   1.0000
  19.000   1.3966   0.06817   0.06334   0.0331   0.0314   1.0000
  19.250   1.3878   0.07251   0.06778   0.0317   0.0311   1.0000
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