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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 200,000
Max Cl/Cd: 50.05 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca0018-il-200000.txt
Download as CSV file: xf-naca0018-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -1.1121   0.09926   0.09376  -0.0363   1.0000   0.0684
 -18.500  -1.1463   0.09060   0.08484  -0.0410   1.0000   0.0687
 -18.250  -1.1706   0.08389   0.07788  -0.0442   1.0000   0.0692
 -18.000  -1.1908   0.07804   0.07180  -0.0468   1.0000   0.0698
 -17.750  -1.2090   0.07277   0.06629  -0.0488   1.0000   0.0704
 -17.500  -1.2255   0.06800   0.06126  -0.0504   1.0000   0.0710
 -17.250  -1.2271   0.06487   0.05801  -0.0508   1.0000   0.0718
 -17.000  -1.2116   0.06364   0.05686  -0.0504   1.0000   0.0730
 -16.750  -1.2055   0.06154   0.05473  -0.0505   1.0000   0.0740
 -16.500  -1.2036   0.05902   0.05212  -0.0507   1.0000   0.0752
 -16.250  -1.2041   0.05630   0.04927  -0.0509   1.0000   0.0763
 -16.000  -1.2068   0.05348   0.04627  -0.0510   1.0000   0.0775
 -15.750  -1.2110   0.05068   0.04324  -0.0510   1.0000   0.0787
 -15.500  -1.1967   0.04925   0.04188  -0.0504   1.0000   0.0804
 -15.250  -1.1863   0.04774   0.04040  -0.0501   1.0000   0.0820
 -15.000  -1.1804   0.04590   0.03849  -0.0497   1.0000   0.0838
 -14.750  -1.1767   0.04390   0.03636  -0.0492   1.0000   0.0856
 -14.500  -1.1754   0.04182   0.03407  -0.0485   1.0000   0.0873
 -14.250  -1.1587   0.04065   0.03304  -0.0478   1.0000   0.0896
 -14.000  -1.1497   0.03920   0.03159  -0.0471   1.0000   0.0919
 -13.750  -1.1432   0.03762   0.02989  -0.0462   1.0000   0.0945
 -13.500  -1.1351   0.03609   0.02828  -0.0452   1.0000   0.0972
 -13.250  -1.1244   0.03482   0.02708  -0.0442   1.0000   0.1001
 -13.000  -1.1158   0.03354   0.02575  -0.0431   1.0000   0.1033
 -12.750  -1.1083   0.03224   0.02430  -0.0417   1.0000   0.1066
 -12.500  -1.0966   0.03106   0.02323  -0.0405   1.0000   0.1100
 -12.250  -1.0870   0.02999   0.02212  -0.0391   1.0000   0.1138
 -12.000  -1.0774   0.02893   0.02097  -0.0374   1.0000   0.1179
 -11.750  -1.0674   0.02790   0.02002  -0.0358   1.0000   0.1219
 -11.500  -1.0578   0.02705   0.01911  -0.0338   1.0000   0.1266
 -11.250  -1.0479   0.02612   0.01820  -0.0318   1.0000   0.1312
 -11.000  -1.0392   0.02535   0.01745  -0.0294   1.0000   0.1359
 -10.750  -1.0307   0.02474   0.01673  -0.0268   1.0000   0.1411
 -10.500  -1.0240   0.02395   0.01606  -0.0238   1.0000   0.1460
 -10.250  -1.0194   0.02345   0.01553  -0.0201   1.0000   0.1513
 -10.000  -1.0163   0.02292   0.01500  -0.0161   1.0000   0.1565
  -9.750  -1.0147   0.02244   0.01458  -0.0117   1.0000   0.1616
  -9.500  -1.0085   0.02207   0.01413  -0.0081   1.0000   0.1680
  -9.250  -1.0038   0.02150   0.01368  -0.0042   1.0000   0.1740
  -9.000  -0.9968   0.02115   0.01329  -0.0007   1.0000   0.1812
  -8.750  -0.9903   0.02066   0.01287   0.0028   1.0000   0.1882
  -8.500  -0.9818   0.02033   0.01252   0.0061   1.0000   0.1964
  -8.250  -0.9735   0.01989   0.01215   0.0093   1.0000   0.2044
  -8.000  -0.9628   0.01961   0.01183   0.0122   1.0000   0.2137
  -7.750  -0.9529   0.01919   0.01152   0.0151   1.0000   0.2227
  -7.500  -0.9405   0.01892   0.01122   0.0175   1.0000   0.2330
  -7.250  -0.9285   0.01858   0.01097   0.0200   1.0000   0.2432
  -7.000  -0.9152   0.01829   0.01072   0.0223   1.0000   0.2539
  -6.750  -0.8833   0.01800   0.01045   0.0209   0.9967   0.2687
  -6.500  -0.8419   0.01772   0.01022   0.0177   0.9922   0.2857
  -6.250  -0.8043   0.01741   0.00995   0.0153   0.9859   0.3025
  -6.000  -0.7628   0.01712   0.00972   0.0122   0.9809   0.3201
  -5.750  -0.7264   0.01679   0.00949   0.0102   0.9740   0.3369
  -5.500  -0.6860   0.01649   0.00927   0.0074   0.9683   0.3546
  -5.250  -0.6474   0.01620   0.00906   0.0051   0.9623   0.3720
  -5.000  -0.6102   0.01591   0.00884   0.0031   0.9550   0.3894
  -4.750  -0.5660   0.01560   0.00860  -0.0003   0.9510   0.4083
  -4.500  -0.5334   0.01533   0.00840  -0.0012   0.9419   0.4250
  -4.250  -0.4908   0.01501   0.00815  -0.0041   0.9368   0.4437
  -4.000  -0.4473   0.01468   0.00789  -0.0071   0.9331   0.4625
  -3.750  -0.4199   0.01443   0.00769  -0.0068   0.9214   0.4788
  -3.500  -0.3809   0.01410   0.00741  -0.0087   0.9161   0.4970
  -3.250  -0.3544   0.01388   0.00722  -0.0081   0.9039   0.5133
  -3.000  -0.3191   0.01354   0.00696  -0.0090   0.8971   0.5301
  -2.750  -0.2940   0.01331   0.00682  -0.0080   0.8836   0.5454
  -2.500  -0.2650   0.01307   0.00661  -0.0078   0.8729   0.5617
  -2.250  -0.2373   0.01285   0.00641  -0.0072   0.8606   0.5782
  -2.000  -0.2116   0.01269   0.00627  -0.0063   0.8466   0.5951
  -1.750  -0.1839   0.01250   0.00613  -0.0057   0.8340   0.6111
  -1.500  -0.1571   0.01234   0.00600  -0.0049   0.8199   0.6271
  -1.250  -0.1314   0.01222   0.00593  -0.0040   0.8042   0.6432
  -1.000  -0.1052   0.01213   0.00584  -0.0032   0.7892   0.6599
  -0.750  -0.0787   0.01206   0.00574  -0.0025   0.7744   0.6770
  -0.500  -0.0522   0.01200   0.00569  -0.0017   0.7586   0.6934
  -0.250  -0.0262   0.01197   0.00570  -0.0008   0.7418   0.7092
   0.000   0.0000   0.01195   0.00570   0.0000   0.7254   0.7254
   0.250   0.0262   0.01197   0.00570   0.0008   0.7092   0.7418
   0.500   0.0522   0.01200   0.00569   0.0017   0.6934   0.7587
   0.750   0.0787   0.01206   0.00574   0.0025   0.6770   0.7744
   1.000   0.1052   0.01213   0.00584   0.0032   0.6599   0.7892
   1.250   0.1315   0.01222   0.00593   0.0040   0.6432   0.8042
   1.500   0.1571   0.01234   0.00601   0.0049   0.6271   0.8199
   1.750   0.1839   0.01250   0.00613   0.0057   0.6111   0.8340
   2.000   0.2116   0.01269   0.00627   0.0063   0.5951   0.8466
   2.250   0.2373   0.01285   0.00641   0.0072   0.5782   0.8606
   2.500   0.2650   0.01307   0.00661   0.0078   0.5617   0.8729
   2.750   0.2940   0.01331   0.00682   0.0080   0.5454   0.8836
   3.000   0.3191   0.01354   0.00696   0.0090   0.5301   0.8971
   3.250   0.3543   0.01388   0.00722   0.0081   0.5133   0.9039
   3.500   0.3809   0.01410   0.00740   0.0087   0.4970   0.9161
   3.750   0.4199   0.01443   0.00769   0.0068   0.4788   0.9215
   4.000   0.4473   0.01468   0.00789   0.0071   0.4625   0.9331
   4.250   0.4908   0.01501   0.00815   0.0041   0.4437   0.9368
   4.500   0.5334   0.01533   0.00840   0.0012   0.4250   0.9419
   4.750   0.5661   0.01560   0.00860   0.0003   0.4083   0.9510
   5.000   0.6102   0.01590   0.00883  -0.0031   0.3894   0.9550
   5.250   0.6473   0.01620   0.00905  -0.0050   0.3721   0.9624
   5.500   0.6861   0.01649   0.00926  -0.0074   0.3546   0.9683
   5.750   0.7264   0.01679   0.00949  -0.0102   0.3369   0.9741
   6.000   0.7629   0.01711   0.00972  -0.0122   0.3201   0.9809
   6.250   0.8044   0.01740   0.00994  -0.0154   0.3025   0.9860
   6.500   0.8421   0.01771   0.01021  -0.0177   0.2857   0.9923
   6.750   0.8834   0.01799   0.01044  -0.0209   0.2687   0.9968
   7.000   0.9150   0.01828   0.01071  -0.0222   0.2539   1.0000
   7.250   0.9283   0.01858   0.01096  -0.0200   0.2432   1.0000
   7.500   0.9403   0.01891   0.01121  -0.0175   0.2330   1.0000
   7.750   0.9527   0.01918   0.01151  -0.0150   0.2227   1.0000
   8.000   0.9627   0.01960   0.01182  -0.0122   0.2138   1.0000
   8.250   0.9733   0.01988   0.01214  -0.0093   0.2044   1.0000
   8.500   0.9817   0.02032   0.01252  -0.0061   0.1964   1.0000
   8.750   0.9902   0.02066   0.01287  -0.0028   0.1882   1.0000
   9.000   0.9968   0.02114   0.01328   0.0007   0.1812   1.0000
   9.250   1.0038   0.02150   0.01367   0.0043   0.1740   1.0000
   9.500   1.0085   0.02207   0.01412   0.0081   0.1680   1.0000
   9.750   1.0148   0.02243   0.01457   0.0117   0.1616   1.0000
  10.000   1.0166   0.02292   0.01499   0.0160   0.1564   1.0000
  10.250   1.0197   0.02344   0.01552   0.0201   0.1513   1.0000
  10.500   1.0244   0.02394   0.01605   0.0237   0.1460   1.0000
  10.750   1.0311   0.02474   0.01672   0.0267   0.1411   1.0000
  11.000   1.0397   0.02535   0.01745   0.0293   0.1359   1.0000
  11.250   1.0485   0.02611   0.01819   0.0317   0.1312   1.0000
  11.500   1.0585   0.02704   0.01910   0.0337   0.1265   1.0000
  11.750   1.0681   0.02789   0.02001   0.0356   0.1218   1.0000
  12.000   1.0782   0.02892   0.02096   0.0373   0.1178   1.0000
  12.250   1.0880   0.02998   0.02211   0.0389   0.1137   1.0000
  12.500   1.0976   0.03105   0.02322   0.0404   0.1100   1.0000
  12.750   1.1096   0.03224   0.02429   0.0416   0.1065   1.0000
  13.000   1.1170   0.03353   0.02574   0.0429   0.1032   1.0000
  13.250   1.1257   0.03480   0.02706   0.0440   0.1000   1.0000
  13.500   1.1366   0.03607   0.02825   0.0450   0.0972   1.0000
  13.750   1.1444   0.03761   0.02988   0.0460   0.0944   1.0000
  14.000   1.1511   0.03918   0.03156   0.0469   0.0919   1.0000
  14.250   1.1603   0.04063   0.03301   0.0476   0.0896   1.0000
  14.500   1.1775   0.04179   0.03403   0.0482   0.0872   1.0000
  14.750   1.1782   0.04389   0.03635   0.0489   0.0856   1.0000
  15.000   1.1821   0.04588   0.03847   0.0494   0.0837   1.0000
  15.250   1.1883   0.04770   0.04036   0.0498   0.0820   1.0000
  15.500   1.1990   0.04919   0.04181   0.0502   0.0803   1.0000
  15.750   1.2126   0.05068   0.04325   0.0507   0.0786   1.0000
  16.000   1.2087   0.05347   0.04626   0.0508   0.0775   1.0000
  16.250   1.2061   0.05629   0.04926   0.0506   0.0762   1.0000
  16.500   1.2058   0.05898   0.05208   0.0504   0.0751   1.0000
  16.750   1.2080   0.06147   0.05466   0.0502   0.0740   1.0000
  17.000   1.2147   0.06353   0.05673   0.0501   0.0729   1.0000
  17.250   1.2311   0.06470   0.05782   0.0506   0.0717   1.0000
  17.500   1.2272   0.06805   0.06131   0.0501   0.0709   1.0000
  17.750   1.2108   0.07283   0.06634   0.0485   0.0704   1.0000
  18.000   1.1929   0.07807   0.07183   0.0464   0.0698   1.0000
  18.250   1.1728   0.08392   0.07791   0.0438   0.0692   1.0000
  18.500   1.1488   0.09060   0.08484   0.0406   0.0687   1.0000
  18.750   1.1147   0.09924   0.09375   0.0359   0.0683   1.0000
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