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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 500,000
Max Cl/Cd: 61.48 at α=10°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca0018-il-500000-n5.txt
Download as CSV file: xf-naca0018-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -1.2088   0.09960   0.09462  -0.0230   1.0000   0.0377
 -19.250  -1.2187   0.09469   0.08964  -0.0250   1.0000   0.0380
 -19.000  -1.2280   0.08994   0.08481  -0.0270   1.0000   0.0384
 -18.750  -1.2372   0.08528   0.08007  -0.0288   1.0000   0.0387
 -18.500  -1.2456   0.08073   0.07544  -0.0305   1.0000   0.0391
 -18.250  -1.2533   0.07635   0.07097  -0.0321   1.0000   0.0395
 -18.000  -1.2602   0.07215   0.06668  -0.0336   1.0000   0.0400
 -17.750  -1.2659   0.06817   0.06261  -0.0349   1.0000   0.0405
 -17.500  -1.2703   0.06438   0.05873  -0.0361   1.0000   0.0410
 -17.250  -1.2735   0.06082   0.05507  -0.0371   1.0000   0.0415
 -17.000  -1.2774   0.05725   0.05141  -0.0381   1.0000   0.0420
 -16.750  -1.2821   0.05363   0.04771  -0.0391   1.0000   0.0425
 -16.500  -1.2847   0.05034   0.04435  -0.0398   1.0000   0.0431
 -16.250  -1.2855   0.04735   0.04129  -0.0403   1.0000   0.0437
 -16.000  -1.2846   0.04462   0.03849  -0.0407   1.0000   0.0444
 -15.750  -1.2822   0.04213   0.03592  -0.0410   1.0000   0.0451
 -15.500  -1.2783   0.03986   0.03357  -0.0410   1.0000   0.0459
 -15.250  -1.2728   0.03781   0.03145  -0.0410   1.0000   0.0467
 -15.000  -1.2693   0.03563   0.02922  -0.0408   1.0000   0.0476
 -14.750  -1.2640   0.03370   0.02724  -0.0405   1.0000   0.0486
 -14.500  -1.2569   0.03199   0.02548  -0.0400   1.0000   0.0497
 -14.250  -1.2483   0.03048   0.02391  -0.0394   1.0000   0.0510
 -14.000  -1.2385   0.02912   0.02248  -0.0387   1.0000   0.0523
 -13.750  -1.2303   0.02770   0.02104  -0.0379   1.0000   0.0537
 -13.500  -1.2203   0.02647   0.01978  -0.0369   1.0000   0.0554
 -13.250  -1.2088   0.02541   0.01867  -0.0359   1.0000   0.0571
 -13.000  -1.1973   0.02440   0.01762  -0.0347   1.0000   0.0588
 -12.750  -1.1861   0.02342   0.01663  -0.0334   1.0000   0.0607
 -12.500  -1.1735   0.02259   0.01576  -0.0321   1.0000   0.0628
 -12.250  -1.1604   0.02184   0.01498  -0.0306   1.0000   0.0648
 -12.000  -1.1485   0.02107   0.01421  -0.0289   1.0000   0.0670
 -11.750  -1.1356   0.02043   0.01355  -0.0272   1.0000   0.0695
 -11.500  -1.1229   0.01986   0.01295  -0.0252   1.0000   0.0719
 -11.250  -1.1126   0.01928   0.01237  -0.0228   1.0000   0.0746
 -11.000  -1.1034   0.01882   0.01190  -0.0199   1.0000   0.0774
 -10.750  -1.0973   0.01843   0.01150  -0.0164   1.0000   0.0798
 -10.500  -1.0966   0.01808   0.01116  -0.0117   1.0000   0.0822
 -10.250  -1.0893   0.01776   0.01082  -0.0081   0.9990   0.0851
 -10.000  -1.0607   0.01727   0.01033  -0.0089   0.9958   0.0890
  -9.750  -1.0305   0.01678   0.00986  -0.0100   0.9930   0.0937
  -9.500  -1.0014   0.01632   0.00940  -0.0107   0.9895   0.0982
  -9.250  -0.9723   0.01587   0.00897  -0.0115   0.9855   0.1037
  -9.000  -0.9415   0.01542   0.00855  -0.0125   0.9822   0.1095
  -8.750  -0.9099   0.01501   0.00816  -0.0137   0.9793   0.1160
  -8.500  -0.8844   0.01461   0.00779  -0.0136   0.9725   0.1221
  -8.000  -0.8279   0.01386   0.00710  -0.0143   0.9612   0.1371
  -7.750  -0.8013   0.01350   0.00678  -0.0142   0.9539   0.1459
  -7.500  -0.7743   0.01317   0.00647  -0.0142   0.9469   0.1554
  -7.250  -0.7495   0.01283   0.00618  -0.0137   0.9378   0.1651
  -7.000  -0.7241   0.01252   0.00590  -0.0133   0.9292   0.1743
  -6.500  -0.6745   0.01197   0.00539  -0.0121   0.9086   0.1935
  -6.250  -0.6494   0.01172   0.00514  -0.0115   0.8974   0.2032
  -6.000  -0.6246   0.01149   0.00493  -0.0109   0.8852   0.2137
  -5.750  -0.5999   0.01125   0.00471  -0.0102   0.8730   0.2247
  -5.500  -0.5747   0.01105   0.00450  -0.0096   0.8597   0.2351
  -5.250  -0.5494   0.01086   0.00431  -0.0091   0.8461   0.2467
  -5.000  -0.5242   0.01067   0.00413  -0.0085   0.8323   0.2582
  -4.500  -0.4730   0.01036   0.00380  -0.0074   0.8027   0.2817
  -4.250  -0.4474   0.01020   0.00365  -0.0069   0.7877   0.2941
  -4.000  -0.4216   0.01008   0.00350  -0.0064   0.7723   0.3063
  -3.750  -0.3957   0.00997   0.00338  -0.0059   0.7566   0.3196
  -3.500  -0.3699   0.00984   0.00326  -0.0054   0.7403   0.3331
  -3.250  -0.3438   0.00974   0.00315  -0.0050   0.7244   0.3462
  -3.000  -0.3176   0.00966   0.00305  -0.0045   0.7087   0.3598
  -2.750  -0.2915   0.00958   0.00296  -0.0041   0.6929   0.3741
  -2.500  -0.2655   0.00950   0.00287  -0.0036   0.6768   0.3872
  -2.250  -0.2389   0.00944   0.00280  -0.0033   0.6611   0.4004
  -2.000  -0.2123   0.00939   0.00274  -0.0029   0.6457   0.4138
  -1.750  -0.1861   0.00933   0.00268  -0.0025   0.6303   0.4271
  -1.500  -0.1597   0.00930   0.00263  -0.0021   0.6148   0.4402
  -1.250  -0.1328   0.00927   0.00259  -0.0018   0.5992   0.4542
  -1.000  -0.1064   0.00923   0.00256  -0.0014   0.5844   0.4683
  -0.750  -0.0799   0.00921   0.00253  -0.0010   0.5695   0.4822
  -0.500  -0.0533   0.00921   0.00251  -0.0007   0.5543   0.4963
  -0.250  -0.0266   0.00919   0.00250  -0.0004   0.5393   0.5109
   0.000   0.0000   0.00918   0.00250   0.0000   0.5251   0.5251
   0.250   0.0266   0.00919   0.00250   0.0004   0.5110   0.5393
   0.500   0.0533   0.00921   0.00251   0.0007   0.4963   0.5544
   0.750   0.0799   0.00921   0.00253   0.0010   0.4824   0.5696
   1.000   0.1064   0.00923   0.00256   0.0014   0.4683   0.5844
   1.250   0.1328   0.00927   0.00259   0.0018   0.4542   0.5993
   1.500   0.1597   0.00930   0.00263   0.0021   0.4402   0.6148
   1.750   0.1861   0.00933   0.00268   0.0025   0.4272   0.6303
   2.000   0.2123   0.00939   0.00274   0.0029   0.4138   0.6456
   2.250   0.2389   0.00944   0.00280   0.0033   0.4004   0.6610
   2.500   0.2655   0.00950   0.00287   0.0036   0.3872   0.6769
   2.750   0.2916   0.00958   0.00296   0.0041   0.3740   0.6930
   3.000   0.3176   0.00966   0.00305   0.0045   0.3598   0.7086
   3.250   0.3439   0.00974   0.00315   0.0050   0.3462   0.7243
   3.500   0.3699   0.00985   0.00326   0.0054   0.3331   0.7403
   3.750   0.3957   0.00997   0.00338   0.0059   0.3197   0.7566
   4.000   0.4216   0.01008   0.00350   0.0064   0.3063   0.7724
   4.250   0.4475   0.01020   0.00365   0.0069   0.2940   0.7876
   4.500   0.4730   0.01036   0.00380   0.0074   0.2817   0.8027
   5.000   0.5243   0.01067   0.00413   0.0084   0.2581   0.8323
   5.250   0.5495   0.01086   0.00431   0.0090   0.2467   0.8461
   5.500   0.5749   0.01105   0.00450   0.0096   0.2351   0.8596
   5.750   0.6001   0.01125   0.00471   0.0102   0.2247   0.8729
   6.000   0.6248   0.01149   0.00493   0.0109   0.2137   0.8852
   6.250   0.6496   0.01171   0.00514   0.0115   0.2033   0.8974
   6.500   0.6746   0.01197   0.00539   0.0121   0.1935   0.9086
   7.000   0.7243   0.01252   0.00590   0.0133   0.1743   0.9292
   7.250   0.7497   0.01283   0.00618   0.0137   0.1651   0.9379
   7.500   0.7745   0.01317   0.00647   0.0142   0.1553   0.9469
   7.750   0.8015   0.01350   0.00678   0.0142   0.1458   0.9539
   8.000   0.8281   0.01386   0.00710   0.0142   0.1371   0.9612
   8.500   0.8846   0.01461   0.00779   0.0135   0.1221   0.9725
   8.750   0.9101   0.01501   0.00816   0.0137   0.1160   0.9793
   9.000   0.9418   0.01542   0.00855   0.0125   0.1095   0.9823
   9.250   0.9725   0.01586   0.00897   0.0114   0.1037   0.9856
   9.500   1.0017   0.01632   0.00940   0.0107   0.0982   0.9896
   9.750   1.0309   0.01678   0.00986   0.0099   0.0937   0.9930
  10.000   1.0612   0.01726   0.01033   0.0088   0.0890   0.9958
  10.250   1.0899   0.01776   0.01082   0.0080   0.0851   0.9991
  10.500   1.0968   0.01808   0.01115   0.0116   0.0822   1.0000
  10.750   1.0976   0.01842   0.01149   0.0163   0.0798   1.0000
  11.000   1.1038   0.01881   0.01189   0.0199   0.0773   1.0000
  11.250   1.1131   0.01927   0.01237   0.0227   0.0746   1.0000
  11.500   1.1235   0.01985   0.01294   0.0251   0.0719   1.0000
  11.750   1.1364   0.02042   0.01354   0.0271   0.0695   1.0000
  12.000   1.1493   0.02106   0.01420   0.0288   0.0670   1.0000
  12.250   1.1613   0.02183   0.01497   0.0305   0.0647   1.0000
  12.500   1.1746   0.02257   0.01575   0.0319   0.0627   1.0000
  12.750   1.1873   0.02341   0.01661   0.0332   0.0607   1.0000
  13.000   1.1985   0.02438   0.01761   0.0345   0.0587   1.0000
  13.250   1.2101   0.02539   0.01865   0.0357   0.0571   1.0000
  13.500   1.2218   0.02645   0.01975   0.0367   0.0554   1.0000
  13.750   1.2319   0.02767   0.02101   0.0376   0.0537   1.0000
  14.000   1.2401   0.02909   0.02245   0.0385   0.0522   1.0000
  14.250   1.2501   0.03044   0.02386   0.0392   0.0509   1.0000
  14.500   1.2588   0.03195   0.02543   0.0397   0.0497   1.0000
  14.750   1.2659   0.03366   0.02719   0.0402   0.0485   1.0000
  15.000   1.2714   0.03558   0.02916   0.0405   0.0475   1.0000
  15.250   1.2752   0.03775   0.03138   0.0407   0.0467   1.0000
  15.500   1.2807   0.03979   0.03350   0.0407   0.0459   1.0000
  15.750   1.2847   0.04206   0.03585   0.0406   0.0451   1.0000
  16.000   1.2872   0.04455   0.03841   0.0404   0.0443   1.0000
  16.250   1.2882   0.04728   0.04121   0.0400   0.0436   1.0000
  16.500   1.2875   0.05026   0.04426   0.0395   0.0430   1.0000
  16.750   1.2850   0.05354   0.04762   0.0387   0.0425   1.0000
  17.000   1.2802   0.05718   0.05133   0.0378   0.0419   1.0000
  17.250   1.2767   0.06070   0.05494   0.0368   0.0415   1.0000
  17.500   1.2736   0.06426   0.05860   0.0357   0.0410   1.0000
  17.750   1.2693   0.06804   0.06247   0.0345   0.0405   1.0000
  18.000   1.2636   0.07203   0.06655   0.0332   0.0400   1.0000
  18.250   1.2568   0.07623   0.07085   0.0317   0.0395   1.0000
  18.500   1.2491   0.08062   0.07532   0.0301   0.0391   1.0000
  18.750   1.2407   0.08516   0.07995   0.0284   0.0387   1.0000
  19.000   1.2316   0.08982   0.08469   0.0265   0.0383   1.0000
  19.250   1.2223   0.09459   0.08954   0.0246   0.0380   1.0000
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