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NACA 23018 (naca23018-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 23018 (naca23018-il)
Reynolds number: 500,000
Max Cl/Cd: 70.01 at α=9.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca23018-il-500000-n5.txt
Download as CSV file: xf-naca23018-il-500000-n5.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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1856   0.08902   0.08406  -0.0381   1.0000   0.0294
 -19.500  -1.1909   0.08481   0.07978  -0.0399   1.0000   0.0297
 -19.250  -1.1955   0.08074   0.07564  -0.0416   1.0000   0.0299
 -19.000  -1.1990   0.07686   0.07168  -0.0431   1.0000   0.0302
 -18.750  -1.2013   0.07320   0.06795  -0.0445   1.0000   0.0305
 -18.500  -1.2028   0.06971   0.06437  -0.0457   1.0000   0.0309
 -18.250  -1.2037   0.06635   0.06093  -0.0469   1.0000   0.0312
 -18.000  -1.2038   0.06312   0.05761  -0.0479   1.0000   0.0316
 -17.750  -1.2031   0.06004   0.05444  -0.0488   1.0000   0.0320
 -17.500  -1.2015   0.05714   0.05144  -0.0496   1.0000   0.0324
 -17.250  -1.1991   0.05439   0.04860  -0.0502   1.0000   0.0327
 -17.000  -1.1988   0.05146   0.04561  -0.0508   1.0000   0.0330
 -16.750  -1.1967   0.04877   0.04288  -0.0513   1.0000   0.0333
 -16.500  -1.1931   0.04631   0.04036  -0.0517   1.0000   0.0337
 -16.250  -1.1882   0.04405   0.03803  -0.0519   1.0000   0.0341
 -16.000  -1.1823   0.04194   0.03587  -0.0520   1.0000   0.0345
 -15.750  -1.1755   0.03997   0.03383  -0.0520   1.0000   0.0350
 -15.500  -1.1681   0.03812   0.03191  -0.0519   1.0000   0.0355
 -15.250  -1.1598   0.03639   0.03010  -0.0516   1.0000   0.0360
 -15.000  -1.1509   0.03477   0.02840  -0.0513   1.0000   0.0364
 -14.750  -1.1425   0.03315   0.02673  -0.0508   1.0000   0.0369
 -14.500  -1.1348   0.03155   0.02510  -0.0501   1.0000   0.0373
 -14.250  -1.1251   0.03016   0.02367  -0.0494   1.0000   0.0378
 -14.000  -1.1142   0.02892   0.02240  -0.0486   1.0000   0.0383
 -13.750  -1.1025   0.02780   0.02123  -0.0477   1.0000   0.0389
 -13.500  -1.0904   0.02676   0.02014  -0.0467   1.0000   0.0395
 -13.250  -1.0781   0.02578   0.01911  -0.0455   1.0000   0.0401
 -13.000  -1.0656   0.02488   0.01815  -0.0442   1.0000   0.0407
 -12.750  -1.0537   0.02400   0.01722  -0.0427   1.0000   0.0412
 -12.500  -1.0432   0.02311   0.01632  -0.0410   1.0000   0.0418
 -12.000  -1.0203   0.02173   0.01490  -0.0370   1.0000   0.0431
 -11.750  -1.0105   0.02116   0.01431  -0.0345   1.0000   0.0437
 -11.500  -1.0037   0.02067   0.01378  -0.0313   1.0000   0.0443
 -11.250  -1.0005   0.02025   0.01334  -0.0272   1.0000   0.0449
 -11.000  -0.9904   0.01984   0.01288  -0.0244   0.9987   0.0455
 -10.750  -0.9645   0.01920   0.01224  -0.0248   0.9950   0.0464
 -10.500  -0.9369   0.01863   0.01166  -0.0254   0.9919   0.0475
 -10.250  -0.9102   0.01812   0.01113  -0.0256   0.9869   0.0486
 -10.000  -0.8799   0.01761   0.01060  -0.0265   0.9823   0.0497
  -9.750  -0.8508   0.01716   0.01011  -0.0271   0.9762   0.0507
  -9.500  -0.8242   0.01662   0.00958  -0.0272   0.9691   0.0520
  -9.250  -0.7979   0.01617   0.00914  -0.0271   0.9623   0.0534
  -9.000  -0.7721   0.01578   0.00872  -0.0269   0.9545   0.0548
  -8.750  -0.7464   0.01543   0.00834  -0.0265   0.9468   0.0562
  -8.500  -0.7227   0.01503   0.00793  -0.0258   0.9375   0.0577
  -8.250  -0.6992   0.01467   0.00757  -0.0250   0.9283   0.0594
  -8.000  -0.6752   0.01436   0.00723  -0.0242   0.9182   0.0615
  -7.750  -0.6519   0.01404   0.00690  -0.0232   0.9078   0.0637
  -7.500  -0.6283   0.01374   0.00657  -0.0223   0.8969   0.0666
  -7.250  -0.6046   0.01346   0.00628  -0.0214   0.8853   0.0698
  -7.000  -0.5808   0.01317   0.00599  -0.0205   0.8736   0.0743
  -6.750  -0.5570   0.01289   0.00571  -0.0196   0.8605   0.0807
  -6.500  -0.5331   0.01261   0.00544  -0.0187   0.8474   0.0897
  -6.250  -0.5090   0.01235   0.00517  -0.0179   0.8333   0.1003
  -6.000  -0.4848   0.01209   0.00492  -0.0171   0.8180   0.1117
  -5.750  -0.4607   0.01181   0.00466  -0.0162   0.8022   0.1256
  -5.500  -0.4372   0.01149   0.00439  -0.0153   0.7863   0.1455
  -5.250  -0.4145   0.01113   0.00411  -0.0143   0.7695   0.1752
  -4.750  -0.3693   0.01039   0.00362  -0.0123   0.7352   0.2573
  -4.500  -0.3452   0.01014   0.00345  -0.0115   0.7183   0.2880
  -4.250  -0.3204   0.00997   0.00330  -0.0108   0.7008   0.3139
  -4.000  -0.2951   0.00985   0.00318  -0.0102   0.6826   0.3362
  -3.750  -0.2697   0.00975   0.00308  -0.0095   0.6631   0.3567
  -3.500  -0.2443   0.00966   0.00298  -0.0089   0.6426   0.3766
  -3.250  -0.2190   0.00959   0.00290  -0.0083   0.6217   0.3975
  -3.000  -0.1938   0.00950   0.00282  -0.0076   0.6014   0.4203
  -2.750  -0.1681   0.00945   0.00276  -0.0071   0.5830   0.4398
  -2.500  -0.1420   0.00940   0.00271  -0.0066   0.5662   0.4594
  -2.250  -0.1161   0.00934   0.00267  -0.0061   0.5506   0.4799
  -2.000  -0.0898   0.00932   0.00264  -0.0056   0.5353   0.4980
  -1.500  -0.0369   0.00927   0.00259  -0.0047   0.5073   0.5292
  -1.250  -0.0100   0.00929   0.00258  -0.0044   0.4935   0.5415
  -1.000   0.0167   0.00931   0.00257  -0.0041   0.4795   0.5537
  -0.750   0.0439   0.00931   0.00257  -0.0038   0.4668   0.5661
  -0.500   0.0707   0.00934   0.00258  -0.0034   0.4534   0.5802
  -0.250   0.0971   0.00937   0.00259  -0.0030   0.4389   0.5945
   0.000   0.1240   0.00938   0.00261  -0.0027   0.4257   0.6090
   0.250   0.1507   0.00943   0.00264  -0.0024   0.4132   0.6244
   0.500   0.1770   0.00947   0.00268  -0.0019   0.3989   0.6410
   0.750   0.2035   0.00951   0.00273  -0.0016   0.3848   0.6570
   1.000   0.2298   0.00957   0.00279  -0.0011   0.3712   0.6734
   1.250   0.2561   0.00966   0.00286  -0.0007   0.3582   0.6896
   1.500   0.2827   0.00972   0.00293  -0.0004   0.3457   0.7059
   1.750   0.3089   0.00980   0.00302   0.0001   0.3334   0.7219
   2.250   0.3614   0.01001   0.00321   0.0009   0.3089   0.7527
   2.500   0.3875   0.01012   0.00333   0.0013   0.2989   0.7685
   2.750   0.4138   0.01022   0.00345   0.0017   0.2893   0.7833
   3.000   0.4399   0.01035   0.00358   0.0021   0.2807   0.7973
   3.250   0.4662   0.01047   0.00371   0.0025   0.2719   0.8119
   3.500   0.4919   0.01063   0.00386   0.0030   0.2638   0.8257
   3.750   0.5183   0.01075   0.00401   0.0034   0.2570   0.8387
   4.000   0.5441   0.01091   0.00417   0.0039   0.2505   0.8522
   4.250   0.5701   0.01107   0.00435   0.0043   0.2450   0.8643
   4.500   0.5960   0.01122   0.00451   0.0047   0.2386   0.8766
   4.750   0.6212   0.01144   0.00472   0.0053   0.2316   0.8882
   5.000   0.6471   0.01161   0.00490   0.0057   0.2261   0.8992
   5.250   0.6728   0.01180   0.00510   0.0062   0.2203   0.9101
   5.500   0.6979   0.01205   0.00532   0.0067   0.2145   0.9199
   5.750   0.7241   0.01223   0.00552   0.0071   0.2102   0.9298
   6.000   0.7510   0.01245   0.00574   0.0072   0.2056   0.9379
   6.250   0.7771   0.01270   0.00598   0.0075   0.2011   0.9465
   6.500   0.8045   0.01295   0.00622   0.0074   0.1973   0.9535
   6.750   0.8339   0.01317   0.00646   0.0070   0.1938   0.9600
   7.000   0.8613   0.01342   0.00671   0.0069   0.1899   0.9670
   7.250   0.8926   0.01373   0.00700   0.0060   0.1858   0.9714
   7.500   0.9217   0.01402   0.00729   0.0054   0.1821   0.9771
   7.750   0.9526   0.01428   0.00756   0.0045   0.1782   0.9813
   8.000   0.9857   0.01459   0.00787   0.0031   0.1738   0.9840
   8.250   1.0169   0.01496   0.00821   0.0019   0.1697   0.9872
   8.500   1.0477   0.01524   0.00852   0.0010   0.1664   0.9908
   8.750   1.0791   0.01556   0.00885  -0.0002   0.1622   0.9935
   9.000   1.1102   0.01595   0.00922  -0.0014   0.1577   0.9960
   9.250   1.1412   0.01630   0.00959  -0.0026   0.1534   0.9987
   9.500   1.1603   0.01661   0.00990  -0.0013   0.1489   1.0000
   9.750   1.1611   0.01685   0.01013   0.0036   0.1454   1.0000
  10.000   1.1663   0.01712   0.01040   0.0075   0.1420   1.0000
  10.250   1.1754   0.01744   0.01073   0.0106   0.1374   1.0000
  10.500   1.1854   0.01790   0.01116   0.0133   0.1325   1.0000
  10.750   1.1996   0.01832   0.01160   0.0152   0.1275   1.0000
  11.000   1.2125   0.01888   0.01214   0.0171   0.1224   1.0000
  11.250   1.2273   0.01942   0.01269   0.0187   0.1181   1.0000
  11.500   1.2413   0.02005   0.01332   0.0202   0.1139   1.0000
  11.750   1.2549   0.02074   0.01402   0.0216   0.1102   1.0000
  12.000   1.2690   0.02144   0.01474   0.0229   0.1064   1.0000
  12.250   1.2811   0.02231   0.01562   0.0242   0.1028   1.0000
  12.500   1.2944   0.02315   0.01648   0.0253   0.0999   1.0000
  12.750   1.3067   0.02408   0.01744   0.0264   0.0970   1.0000
  13.000   1.3174   0.02517   0.01855   0.0275   0.0944   1.0000
  13.250   1.3287   0.02627   0.01969   0.0284   0.0923   1.0000
  13.500   1.3400   0.02741   0.02088   0.0291   0.0902   1.0000
  13.750   1.3495   0.02873   0.02224   0.0299   0.0882   1.0000
  14.000   1.3570   0.03027   0.02382   0.0306   0.0863   1.0000
  14.250   1.3651   0.03182   0.02542   0.0311   0.0847   1.0000
  14.500   1.3737   0.03339   0.02706   0.0315   0.0830   1.0000
  14.750   1.3803   0.03518   0.02891   0.0317   0.0813   1.0000
  15.000   1.3845   0.03726   0.03104   0.0319   0.0796   1.0000
  15.250   1.3861   0.03965   0.03348   0.0320   0.0781   1.0000
  15.500   1.3913   0.04175   0.03566   0.0319   0.0767   1.0000
  15.750   1.3950   0.04409   0.03808   0.0317   0.0751   1.0000
  16.000   1.3961   0.04675   0.04081   0.0313   0.0736   1.0000
  16.250   1.3944   0.04980   0.04393   0.0308   0.0722   1.0000
  16.500   1.3898   0.05326   0.04746   0.0301   0.0710   1.0000
  16.750   1.3902   0.05620   0.05050   0.0294   0.0697   1.0000
  17.000   1.3879   0.05950   0.05389   0.0285   0.0683   1.0000
  17.250   1.3829   0.06320   0.05768   0.0275   0.0669   1.0000
  17.500   1.3747   0.06737   0.06192   0.0262   0.0656   1.0000
  17.750   1.3634   0.07200   0.06664   0.0248   0.0645   1.0000
  18.000   1.3578   0.07593   0.07067   0.0235   0.0632   1.0000
  18.250   1.3494   0.08031   0.07514   0.0220   0.0619   1.0000
  18.500   1.3384   0.08510   0.08002   0.0203   0.0605   1.0000
  18.750   1.3245   0.09033   0.08533   0.0183   0.0593   1.0000
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