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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 500,000
Max Cl/Cd: 65.79 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca0018-il-500000.txt
Download as CSV file: xf-naca0018-il-500000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.2394   0.09610   0.09115  -0.0275   1.0000   0.0461
 -19.500  -1.2433   0.09208   0.08702  -0.0293   1.0000   0.0465
 -19.250  -1.2442   0.08875   0.08362  -0.0304   1.0000   0.0470
 -19.000  -1.2435   0.08589   0.08076  -0.0311   1.0000   0.0476
 -18.750  -1.2449   0.08254   0.07738  -0.0322   1.0000   0.0481
 -18.500  -1.2470   0.07904   0.07383  -0.0334   1.0000   0.0486
 -18.250  -1.2485   0.07562   0.07035  -0.0345   1.0000   0.0491
 -18.000  -1.2502   0.07219   0.06686  -0.0356   1.0000   0.0497
 -17.750  -1.2519   0.06881   0.06340  -0.0366   1.0000   0.0503
 -17.500  -1.2528   0.06556   0.06006  -0.0376   1.0000   0.0510
 -17.250  -1.2529   0.06242   0.05682  -0.0385   1.0000   0.0516
 -17.000  -1.2525   0.05937   0.05367  -0.0393   1.0000   0.0522
 -16.750  -1.2574   0.05597   0.05025  -0.0398   1.0000   0.0530
 -16.500  -1.2597   0.05278   0.04702  -0.0405   1.0000   0.0538
 -16.250  -1.2595   0.04988   0.04407  -0.0410   1.0000   0.0546
 -16.000  -1.2580   0.04721   0.04133  -0.0414   1.0000   0.0555
 -15.750  -1.2553   0.04471   0.03876  -0.0417   1.0000   0.0565
 -15.500  -1.2509   0.04243   0.03639  -0.0418   1.0000   0.0575
 -15.250  -1.2495   0.03996   0.03385  -0.0418   1.0000   0.0585
 -15.000  -1.2499   0.03740   0.03126  -0.0416   1.0000   0.0596
 -14.750  -1.2458   0.03530   0.02912  -0.0413   1.0000   0.0609
 -14.500  -1.2390   0.03352   0.02728  -0.0410   1.0000   0.0624
 -14.250  -1.2300   0.03199   0.02566  -0.0405   1.0000   0.0639
 -14.000  -1.2261   0.03010   0.02374  -0.0397   1.0000   0.0656
 -13.750  -1.2196   0.02850   0.02213  -0.0388   1.0000   0.0675
 -13.500  -1.2092   0.02727   0.02085  -0.0380   1.0000   0.0696
 -13.250  -1.1984   0.02612   0.01963  -0.0370   1.0000   0.0718
 -13.000  -1.1918   0.02475   0.01827  -0.0355   1.0000   0.0742
 -12.750  -1.1804   0.02376   0.01726  -0.0343   1.0000   0.0768
 -12.500  -1.1678   0.02291   0.01635  -0.0330   1.0000   0.0795
 -12.250  -1.1593   0.02187   0.01533  -0.0311   1.0000   0.0824
 -12.000  -1.1466   0.02114   0.01458  -0.0295   1.0000   0.0855
 -11.750  -1.1350   0.02042   0.01383  -0.0276   1.0000   0.0886
 -11.500  -1.1253   0.01970   0.01313  -0.0253   1.0000   0.0920
 -11.250  -1.1131   0.01921   0.01260  -0.0231   1.0000   0.0955
 -11.000  -1.1071   0.01863   0.01203  -0.0198   1.0000   0.0990
 -10.750  -1.1030   0.01820   0.01161  -0.0159   1.0000   0.1024
 -10.500  -1.1003   0.01792   0.01130  -0.0114   1.0000   0.1056
 -10.250  -1.1064   0.01762   0.01100  -0.0053   1.0000   0.1085
 -10.000  -1.1050   0.01729   0.01068  -0.0006   1.0000   0.1121
  -9.750  -1.0990   0.01703   0.01041   0.0033   1.0000   0.1160
  -9.500  -1.0937   0.01670   0.01009   0.0072   1.0000   0.1201
  -9.250  -1.0734   0.01632   0.00974   0.0082   0.9989   0.1261
  -9.000  -1.0392   0.01585   0.00930   0.0064   0.9962   0.1338
  -8.750  -1.0033   0.01546   0.00893   0.0043   0.9938   0.1422
  -8.500  -0.9683   0.01500   0.00853   0.0024   0.9914   0.1519
  -8.250  -0.9359   0.01456   0.00814   0.0011   0.9874   0.1615
  -8.000  -0.9007   0.01418   0.00780  -0.0007   0.9842   0.1718
  -7.750  -0.8638   0.01381   0.00748  -0.0029   0.9818   0.1833
  -7.500  -0.8262   0.01339   0.00713  -0.0052   0.9799   0.1967
  -7.250  -0.7954   0.01300   0.00682  -0.0061   0.9747   0.2094
  -7.000  -0.7599   0.01262   0.00650  -0.0079   0.9712   0.2227
  -6.750  -0.7225   0.01225   0.00620  -0.0100   0.9684   0.2364
  -6.500  -0.6854   0.01191   0.00590  -0.0121   0.9658   0.2503
  -6.250  -0.6586   0.01160   0.00565  -0.0118   0.9579   0.2634
  -6.000  -0.6270   0.01126   0.00537  -0.0126   0.9524   0.2773
  -5.750  -0.6001   0.01099   0.00515  -0.0124   0.9445   0.2904
  -5.500  -0.5725   0.01074   0.00492  -0.0122   0.9364   0.3036
  -5.250  -0.5471   0.01048   0.00471  -0.0115   0.9270   0.3173
  -5.000  -0.5214   0.01023   0.00450  -0.0109   0.9175   0.3307
  -4.750  -0.4965   0.01003   0.00433  -0.0102   0.9064   0.3439
  -4.500  -0.4699   0.00985   0.00414  -0.0097   0.8963   0.3577
  -4.250  -0.4455   0.00964   0.00399  -0.0088   0.8833   0.3718
  -4.000  -0.4198   0.00947   0.00384  -0.0082   0.8710   0.3857
  -3.750  -0.3937   0.00933   0.00368  -0.0076   0.8584   0.3999
  -3.500  -0.3678   0.00920   0.00356  -0.0070   0.8441   0.4145
  -3.250  -0.3421   0.00906   0.00344  -0.0064   0.8302   0.4291
  -3.000  -0.3160   0.00895   0.00332  -0.0059   0.8160   0.4436
  -2.750  -0.2897   0.00886   0.00322  -0.0054   0.8007   0.4583
  -2.500  -0.2634   0.00877   0.00314  -0.0049   0.7852   0.4732
  -2.250  -0.2373   0.00868   0.00306  -0.0043   0.7700   0.4879
  -2.000  -0.2110   0.00862   0.00298  -0.0038   0.7544   0.5022
  -1.750  -0.1846   0.00858   0.00291  -0.0033   0.7382   0.5170
  -1.500  -0.1582   0.00852   0.00286  -0.0029   0.7219   0.5322
  -1.250  -0.1319   0.00847   0.00282  -0.0024   0.7058   0.5473
  -1.000  -0.1056   0.00844   0.00278  -0.0019   0.6898   0.5624
  -0.750  -0.0791   0.00843   0.00275  -0.0014   0.6737   0.5779
  -0.500  -0.0527   0.00842   0.00273  -0.0010   0.6572   0.5938
  -0.250  -0.0264   0.00839   0.00272  -0.0005   0.6410   0.6096
   0.000   0.0000   0.00838   0.00272   0.0000   0.6252   0.6252
   0.250   0.0264   0.00839   0.00272   0.0005   0.6096   0.6410
   0.500   0.0527   0.00842   0.00273   0.0009   0.5938   0.6573
   0.750   0.0792   0.00843   0.00275   0.0014   0.5780   0.6737
   1.000   0.1056   0.00844   0.00278   0.0019   0.5624   0.6899
   1.250   0.1319   0.00847   0.00282   0.0024   0.5473   0.7059
   1.500   0.1582   0.00852   0.00286   0.0029   0.5322   0.7219
   1.750   0.1846   0.00858   0.00291   0.0033   0.5170   0.7382
   2.000   0.2111   0.00862   0.00298   0.0038   0.5022   0.7544
   2.250   0.2374   0.00868   0.00306   0.0043   0.4879   0.7699
   2.500   0.2634   0.00877   0.00314   0.0049   0.4732   0.7853
   2.750   0.2898   0.00886   0.00322   0.0053   0.4583   0.8007
   3.000   0.3160   0.00895   0.00332   0.0059   0.4436   0.8159
   3.250   0.3421   0.00906   0.00344   0.0064   0.4291   0.8301
   3.500   0.3679   0.00920   0.00356   0.0070   0.4145   0.8441
   3.750   0.3937   0.00933   0.00368   0.0076   0.3999   0.8584
   4.000   0.4199   0.00947   0.00384   0.0082   0.3857   0.8710
   4.250   0.4455   0.00964   0.00399   0.0088   0.3718   0.8832
   4.500   0.4700   0.00985   0.00414   0.0097   0.3577   0.8963
   4.750   0.4965   0.01003   0.00433   0.0102   0.3438   0.9064
   5.000   0.5215   0.01023   0.00450   0.0109   0.3307   0.9175
   5.250   0.5472   0.01048   0.00471   0.0115   0.3173   0.9270
   5.500   0.5725   0.01074   0.00492   0.0122   0.3036   0.9364
   5.750   0.6001   0.01099   0.00515   0.0124   0.2904   0.9445
   6.000   0.6271   0.01126   0.00537   0.0126   0.2773   0.9524
   6.250   0.6587   0.01160   0.00565   0.0118   0.2634   0.9579
   6.500   0.6855   0.01191   0.00590   0.0120   0.2503   0.9658
   6.750   0.7226   0.01225   0.00620   0.0100   0.2364   0.9685
   7.000   0.7600   0.01262   0.00650   0.0079   0.2227   0.9712
   7.250   0.7956   0.01300   0.00682   0.0060   0.2094   0.9748
   7.500   0.8265   0.01339   0.00713   0.0052   0.1966   0.9799
   7.750   0.8640   0.01381   0.00747   0.0028   0.1832   0.9818
   8.000   0.9009   0.01417   0.00780   0.0007   0.1717   0.9842
   8.250   0.9361   0.01456   0.00814  -0.0011   0.1614   0.9875
   8.500   0.9685   0.01500   0.00853  -0.0024   0.1519   0.9914
   8.750   1.0035   0.01546   0.00892  -0.0044   0.1422   0.9938
   9.000   1.0395   0.01584   0.00929  -0.0064   0.1337   0.9963
   9.250   1.0737   0.01632   0.00973  -0.0082   0.1261   0.9989
   9.500   1.0936   0.01669   0.01008  -0.0072   0.1202   1.0000
   9.750   1.0988   0.01702   0.01040  -0.0032   0.1160   1.0000
  10.000   1.1049   0.01728   0.01068   0.0006   0.1121   1.0000
  10.250   1.1065   0.01761   0.01099   0.0053   0.1085   1.0000
  10.500   1.1005   0.01791   0.01129   0.0114   0.1056   1.0000
  10.750   1.1033   0.01819   0.01160   0.0158   0.1024   1.0000
  11.000   1.1074   0.01863   0.01202   0.0197   0.0989   1.0000
  11.250   1.1136   0.01920   0.01259   0.0230   0.0955   1.0000
  11.500   1.1259   0.01970   0.01312   0.0252   0.0920   1.0000
  11.750   1.1357   0.02041   0.01382   0.0275   0.0886   1.0000
  12.000   1.1474   0.02113   0.01456   0.0294   0.0855   1.0000
  12.250   1.1603   0.02186   0.01532   0.0310   0.0823   1.0000
  12.500   1.1687   0.02290   0.01634   0.0328   0.0794   1.0000
  12.750   1.1816   0.02375   0.01724   0.0341   0.0768   1.0000
  13.000   1.1930   0.02473   0.01826   0.0354   0.0741   1.0000
  13.250   1.1996   0.02611   0.01962   0.0368   0.0718   1.0000
  13.500   1.2107   0.02724   0.02082   0.0377   0.0696   1.0000
  13.750   1.2211   0.02848   0.02211   0.0386   0.0674   1.0000
  14.000   1.2276   0.03008   0.02371   0.0394   0.0655   1.0000
  14.250   1.2319   0.03194   0.02561   0.0402   0.0639   1.0000
  14.500   1.2409   0.03348   0.02723   0.0407   0.0623   1.0000
  14.750   1.2479   0.03526   0.02907   0.0411   0.0609   1.0000
  15.000   1.2520   0.03736   0.03121   0.0413   0.0596   1.0000
  15.250   1.2513   0.03995   0.03382   0.0415   0.0584   1.0000
  15.500   1.2535   0.04236   0.03631   0.0415   0.0574   1.0000
  15.750   1.2579   0.04464   0.03868   0.0413   0.0564   1.0000
  16.000   1.2606   0.04714   0.04125   0.0411   0.0555   1.0000
  16.250   1.2623   0.04980   0.04399   0.0407   0.0546   1.0000
  16.500   1.2624   0.05270   0.04694   0.0401   0.0538   1.0000
  16.750   1.2601   0.05590   0.05017   0.0395   0.0530   1.0000
  17.000   1.2550   0.05931   0.05360   0.0389   0.0521   1.0000
  17.250   1.2560   0.06232   0.05672   0.0381   0.0515   1.0000
  17.500   1.2560   0.06546   0.05995   0.0372   0.0509   1.0000
  17.750   1.2551   0.06871   0.06330   0.0362   0.0503   1.0000
  18.000   1.2535   0.07209   0.06675   0.0352   0.0497   1.0000
  18.250   1.2518   0.07551   0.07024   0.0341   0.0491   1.0000
  18.500   1.2504   0.07893   0.07372   0.0330   0.0486   1.0000
  18.750   1.2483   0.08244   0.07728   0.0318   0.0480   1.0000
  19.000   1.2470   0.08575   0.08062   0.0307   0.0475   1.0000
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