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NACA 2418 (naca2418-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 2418 (naca2418-il)
Reynolds number: 100,000
Max Cl/Cd: 44 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca2418-il-100000-n5.txt
Download as CSV file: xf-naca2418-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 2418                                       
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.8072   0.08487   0.07772  -0.0653   1.0000   0.0726
 -15.500  -0.8514   0.07482   0.06740  -0.0712   1.0000   0.0732
 -15.250  -0.8526   0.07164   0.06421  -0.0724   1.0000   0.0740
 -15.000  -0.8639   0.06715   0.05963  -0.0745   1.0000   0.0749
 -14.750  -0.8768   0.06267   0.05501  -0.0765   1.0000   0.0759
 -14.500  -0.8898   0.05842   0.05060  -0.0781   1.0000   0.0770
 -14.250  -0.9025   0.05449   0.04649  -0.0791   1.0000   0.0782
 -14.000  -0.9150   0.05090   0.04266  -0.0796   1.0000   0.0795
 -13.750  -0.9202   0.04828   0.03991  -0.0792   1.0000   0.0808
 -13.500  -0.9172   0.04661   0.03826  -0.0784   1.0000   0.0820
 -13.250  -0.9175   0.04483   0.03643  -0.0773   1.0000   0.0834
 -13.000  -0.9203   0.04304   0.03455  -0.0757   1.0000   0.0849
 -12.750  -0.9248   0.04134   0.03271  -0.0735   1.0000   0.0866
 -12.500  -0.9316   0.03975   0.03092  -0.0706   1.0000   0.0884
 -12.250  -0.9313   0.03876   0.02999  -0.0677   1.0000   0.0897
 -12.000  -0.9348   0.03784   0.02908  -0.0641   1.0000   0.0912
 -11.750  -0.9413   0.03700   0.02820  -0.0598   1.0000   0.0929
 -11.500  -0.9485   0.03619   0.02731  -0.0550   1.0000   0.0946
 -11.250  -0.9515   0.03529   0.02625  -0.0509   1.0000   0.0968
 -11.000  -0.9506   0.03452   0.02551  -0.0472   1.0000   0.0987
 -10.750  -0.9487   0.03384   0.02483  -0.0436   1.0000   0.1007
 -10.500  -0.9457   0.03313   0.02408  -0.0402   1.0000   0.1033
 -10.250  -0.9413   0.03239   0.02319  -0.0369   1.0000   0.1063
 -10.000  -0.9354   0.03171   0.02252  -0.0339   1.0000   0.1087
  -9.750  -0.9228   0.03105   0.02186  -0.0321   0.9989   0.1119
  -9.500  -0.8926   0.03022   0.02087  -0.0335   0.9942   0.1172
  -9.250  -0.8634   0.02945   0.02014  -0.0348   0.9894   0.1216
  -9.000  -0.8335   0.02874   0.01935  -0.0361   0.9841   0.1273
  -8.750  -0.8009   0.02803   0.01863  -0.0378   0.9798   0.1327
  -8.500  -0.7734   0.02740   0.01796  -0.0385   0.9731   0.1386
  -8.250  -0.7406   0.02674   0.01728  -0.0401   0.9681   0.1448
  -8.000  -0.7114   0.02616   0.01667  -0.0409   0.9614   0.1515
  -7.750  -0.6795   0.02555   0.01607  -0.0422   0.9552   0.1585
  -7.500  -0.6441   0.02499   0.01546  -0.0442   0.9503   0.1669
  -7.250  -0.6180   0.02446   0.01497  -0.0442   0.9417   0.1741
  -7.000  -0.5818   0.02394   0.01440  -0.0461   0.9369   0.1842
  -6.750  -0.5550   0.02347   0.01400  -0.0463   0.9291   0.1929
  -6.500  -0.5232   0.02299   0.01353  -0.0473   0.9227   0.2035
  -6.250  -0.4862   0.02252   0.01303  -0.0492   0.9184   0.2163
  -6.000  -0.4634   0.02215   0.01272  -0.0484   0.9087   0.2267
  -5.750  -0.4305   0.02171   0.01230  -0.0495   0.9028   0.2396
  -5.500  -0.4002   0.02134   0.01191  -0.0500   0.8960   0.2532
  -5.250  -0.3736   0.02100   0.01159  -0.0498   0.8872   0.2661
  -5.000  -0.3395   0.02056   0.01119  -0.0509   0.8819   0.2804
  -4.750  -0.3158   0.02028   0.01093  -0.0501   0.8716   0.2933
  -4.250  -0.2568   0.01960   0.01029  -0.0505   0.8562   0.3226
  -4.000  -0.2289   0.01927   0.01002  -0.0504   0.8472   0.3372
  -3.750  -0.1971   0.01891   0.00969  -0.0509   0.8403   0.3538
  -3.500  -0.1729   0.01869   0.00950  -0.0501   0.8292   0.3701
  -3.250  -0.1401   0.01831   0.00917  -0.0507   0.8224   0.3897
  -3.000  -0.1173   0.01813   0.00905  -0.0496   0.8103   0.4089
  -2.750  -0.0857   0.01777   0.00877  -0.0500   0.8028   0.4318
  -2.500  -0.0624   0.01760   0.00870  -0.0489   0.7904   0.4545
  -2.250  -0.0316   0.01730   0.00847  -0.0490   0.7823   0.4809
  -2.000  -0.0078   0.01716   0.00842  -0.0480   0.7697   0.5062
  -1.750   0.0213   0.01695   0.00825  -0.0479   0.7602   0.5334
  -1.500   0.0468   0.01682   0.00821  -0.0470   0.7483   0.5591
  -1.250   0.0744   0.01668   0.00812  -0.0466   0.7377   0.5855
  -1.000   0.1014   0.01658   0.00805  -0.0460   0.7264   0.6113
  -0.750   0.1278   0.01651   0.00803  -0.0453   0.7150   0.6370
  -0.500   0.1559   0.01643   0.00796  -0.0448   0.7043   0.6620
  -0.250   0.1816   0.01642   0.00802  -0.0440   0.6924   0.6861
   0.000   0.2108   0.01638   0.00798  -0.0436   0.6824   0.7107
   0.250   0.2360   0.01644   0.00810  -0.0427   0.6700   0.7345
   0.500   0.2648   0.01646   0.00812  -0.0423   0.6601   0.7583
   0.750   0.2911   0.01655   0.00824  -0.0416   0.6482   0.7815
   1.000   0.3198   0.01664   0.00832  -0.0412   0.6379   0.8038
   1.250   0.3480   0.01676   0.00844  -0.0408   0.6268   0.8256
   1.500   0.3775   0.01690   0.00857  -0.0406   0.6162   0.8463
   1.750   0.4082   0.01706   0.00869  -0.0407   0.6055   0.8661
   2.000   0.4396   0.01724   0.00886  -0.0410   0.5941   0.8852
   2.250   0.4741   0.01742   0.00894  -0.0419   0.5831   0.9032
   2.500   0.5080   0.01764   0.00916  -0.0428   0.5700   0.9207
   2.750   0.5448   0.01784   0.00928  -0.0443   0.5583   0.9363
   3.000   0.5815   0.01805   0.00944  -0.0460   0.5464   0.9504
   3.250   0.6232   0.01826   0.00961  -0.0488   0.5347   0.9606
   3.500   0.6643   0.01845   0.00971  -0.0515   0.5238   0.9701
   3.750   0.7027   0.01866   0.00992  -0.0538   0.5118   0.9804
   4.000   0.7440   0.01883   0.01002  -0.0567   0.5009   0.9887
   4.250   0.7837   0.01902   0.01022  -0.0595   0.4886   0.9970
   4.500   0.8090   0.01921   0.01036  -0.0593   0.4786   1.0000
   4.750   0.8241   0.01939   0.01053  -0.0572   0.4685   1.0000
   5.000   0.8401   0.01959   0.01069  -0.0551   0.4594   1.0000
   5.250   0.8549   0.01981   0.01090  -0.0528   0.4491   1.0000
   5.500   0.8704   0.02004   0.01109  -0.0507   0.4393   1.0000
   5.750   0.8851   0.02028   0.01131  -0.0483   0.4287   1.0000
   6.000   0.8995   0.02054   0.01155  -0.0459   0.4177   1.0000
   6.250   0.9141   0.02080   0.01174  -0.0435   0.4068   1.0000
   6.500   0.9274   0.02109   0.01205  -0.0410   0.3948   1.0000
   6.750   0.9416   0.02140   0.01229  -0.0385   0.3841   1.0000
   7.000   0.9552   0.02173   0.01261  -0.0360   0.3727   1.0000
   7.250   0.9694   0.02209   0.01296  -0.0337   0.3620   1.0000
   7.500   0.9834   0.02247   0.01328  -0.0314   0.3515   1.0000
   7.750   0.9973   0.02289   0.01372  -0.0291   0.3405   1.0000
   8.000   1.0109   0.02333   0.01409  -0.0267   0.3306   1.0000
   8.250   1.0236   0.02380   0.01459  -0.0244   0.3196   1.0000
   8.500   1.0352   0.02429   0.01506  -0.0218   0.3098   1.0000
   8.750   1.0457   0.02483   0.01558  -0.0191   0.2995   1.0000
   9.000   1.0569   0.02542   0.01618  -0.0167   0.2895   1.0000
   9.250   1.0671   0.02607   0.01679  -0.0142   0.2797   1.0000
   9.500   1.0780   0.02677   0.01753  -0.0120   0.2694   1.0000
   9.750   1.0877   0.02755   0.01825  -0.0098   0.2600   1.0000
  10.000   1.0974   0.02838   0.01913  -0.0077   0.2497   1.0000
  10.250   1.1066   0.02930   0.02004  -0.0057   0.2405   1.0000
  10.500   1.1148   0.03030   0.02103  -0.0037   0.2311   1.0000
  10.750   1.1234   0.03137   0.02213  -0.0019   0.2221   1.0000
  11.000   1.1301   0.03256   0.02330  -0.0001   0.2136   1.0000
  11.250   1.1378   0.03381   0.02461   0.0014   0.2048   1.0000
  11.500   1.1430   0.03521   0.02598   0.0031   0.1971   1.0000
  11.750   1.1498   0.03664   0.02750   0.0044   0.1886   1.0000
  12.000   1.1535   0.03828   0.02910   0.0058   0.1816   1.0000
  12.250   1.1592   0.03993   0.03086   0.0068   0.1736   1.0000
  12.500   1.1616   0.04182   0.03271   0.0080   0.1673   1.0000
  12.750   1.1661   0.04371   0.03471   0.0088   0.1600   1.0000
  13.000   1.1672   0.04585   0.03684   0.0096   0.1543   1.0000
  13.250   1.1702   0.04799   0.03908   0.0102   0.1480   1.0000
  13.500   1.1705   0.05038   0.04149   0.0107   0.1427   1.0000
  13.750   1.1720   0.05279   0.04396   0.0111   0.1375   1.0000
  14.000   1.1720   0.05540   0.04663   0.0113   0.1325   1.0000
  14.250   1.1717   0.05808   0.04929   0.0114   0.1283   1.0000
  14.500   1.1722   0.06085   0.05219   0.0114   0.1236   1.0000
  14.750   1.1713   0.06376   0.05512   0.0113   0.1197   1.0000
  15.000   1.1709   0.06668   0.05808   0.0111   0.1160   1.0000
  15.250   1.1699   0.06980   0.06132   0.0107   0.1121   1.0000
  15.500   1.1689   0.07290   0.06444   0.0103   0.1089   1.0000
  15.750   1.1686   0.07594   0.06751   0.0099   0.1058   1.0000
  16.000   1.1665   0.07939   0.07110   0.0092   0.1025   1.0000
  16.250   1.1652   0.08270   0.07446   0.0085   0.0997   1.0000
  16.500   1.1672   0.08547   0.07720   0.0080   0.0973   1.0000
  16.750   1.1622   0.08952   0.08143   0.0069   0.0945   1.0000
  17.000   1.1594   0.09323   0.08525   0.0058   0.0920   1.0000
  17.250   1.1597   0.09643   0.08848   0.0050   0.0898   1.0000
  17.500   1.1614   0.09940   0.09145   0.0042   0.0878   1.0000
  17.750   1.1529   0.10426   0.09650   0.0023   0.0857   1.0000
  18.000   1.1472   0.10865   0.10102   0.0006   0.0837   1.0000
  18.250   1.1465   0.11219   0.10462  -0.0007   0.0818   1.0000
  18.500   1.1536   0.11430   0.10668  -0.0013   0.0802   1.0000
  18.750   1.1385   0.12060   0.11321  -0.0043   0.0786   1.0000
  19.000   1.1210   0.12751   0.12033  -0.0079   0.0770   1.0000
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