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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 200,000
Max Cl/Cd: 48.03 at α=8.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca0018-il-200000-n5.txt
Download as CSV file: xf-naca0018-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0837   0.11940   0.11359  -0.0186   1.0000   0.0498
 -19.500  -1.0913   0.11447   0.10854  -0.0211   1.0000   0.0504
 -19.250  -1.0987   0.10962   0.10356  -0.0235   1.0000   0.0511
 -19.000  -1.1056   0.10491   0.09870  -0.0257   1.0000   0.0518
 -18.750  -1.1082   0.10106   0.09479  -0.0274   1.0000   0.0524
 -18.500  -1.1097   0.09747   0.09116  -0.0289   1.0000   0.0530
 -18.250  -1.1124   0.09364   0.08728  -0.0305   1.0000   0.0537
 -18.000  -1.1158   0.08972   0.08329  -0.0321   1.0000   0.0545
 -17.750  -1.1195   0.08578   0.07926  -0.0337   1.0000   0.0553
 -17.500  -1.1228   0.08194   0.07532  -0.0351   1.0000   0.0563
 -17.250  -1.1255   0.07825   0.07151  -0.0365   1.0000   0.0572
 -17.000  -1.1276   0.07469   0.06785  -0.0377   1.0000   0.0582
 -16.750  -1.1302   0.07118   0.06431  -0.0388   1.0000   0.0590
 -16.500  -1.1326   0.06772   0.06079  -0.0399   1.0000   0.0600
 -16.250  -1.1341   0.06441   0.05741  -0.0409   1.0000   0.0610
 -16.000  -1.1347   0.06128   0.05419  -0.0417   1.0000   0.0622
 -15.750  -1.1342   0.05834   0.05114  -0.0424   1.0000   0.0634
 -15.500  -1.1334   0.05550   0.04821  -0.0429   1.0000   0.0646
 -15.250  -1.1344   0.05254   0.04522  -0.0435   1.0000   0.0657
 -15.000  -1.1339   0.04981   0.04243  -0.0439   1.0000   0.0670
 -14.750  -1.1318   0.04733   0.03987  -0.0441   1.0000   0.0686
 -14.500  -1.1279   0.04509   0.03753  -0.0441   1.0000   0.0704
 -14.250  -1.1247   0.04283   0.03521  -0.0441   1.0000   0.0721
 -14.000  -1.1221   0.04061   0.03295  -0.0439   1.0000   0.0738
 -13.750  -1.1172   0.03866   0.03094  -0.0436   1.0000   0.0758
 -13.500  -1.1100   0.03697   0.02915  -0.0431   1.0000   0.0782
 -13.250  -1.1047   0.03520   0.02735  -0.0425   1.0000   0.0802
 -13.000  -1.0987   0.03356   0.02568  -0.0417   1.0000   0.0824
 -12.750  -1.0905   0.03216   0.02421  -0.0408   1.0000   0.0851
 -12.500  -1.0813   0.03089   0.02288  -0.0398   1.0000   0.0877
 -12.250  -1.0744   0.02955   0.02153  -0.0385   1.0000   0.0904
 -12.000  -1.0649   0.02845   0.02038  -0.0372   1.0000   0.0937
 -11.750  -1.0544   0.02746   0.01934  -0.0358   1.0000   0.0970
 -11.500  -1.0464   0.02643   0.01831  -0.0340   1.0000   0.1002
 -11.250  -1.0360   0.02559   0.01743  -0.0322   1.0000   0.1040
 -11.000  -1.0261   0.02479   0.01661  -0.0302   1.0000   0.1076
 -10.750  -1.0180   0.02403   0.01585  -0.0278   1.0000   0.1116
 -10.500  -1.0085   0.02342   0.01521  -0.0254   1.0000   0.1159
 -10.250  -1.0027   0.02281   0.01461  -0.0222   1.0000   0.1198
 -10.000  -0.9988   0.02231   0.01411  -0.0185   1.0000   0.1241
  -9.750  -0.9946   0.02193   0.01370  -0.0145   1.0000   0.1286
  -9.500  -0.9955   0.02151   0.01331  -0.0097   1.0000   0.1327
  -9.250  -0.9905   0.02113   0.01293  -0.0058   1.0000   0.1380
  -9.000  -0.9844   0.02076   0.01256  -0.0022   1.0000   0.1432
  -8.750  -0.9785   0.02038   0.01221   0.0015   1.0000   0.1490
  -8.500  -0.9562   0.01993   0.01176   0.0020   0.9976   0.1570
  -8.250  -0.9236   0.01942   0.01127   0.0004   0.9934   0.1672
  -8.000  -0.8929   0.01890   0.01080  -0.0008   0.9886   0.1772
  -7.750  -0.8610   0.01843   0.01036  -0.0021   0.9836   0.1878
  -7.500  -0.8263   0.01801   0.00995  -0.0040   0.9799   0.1994
  -7.250  -0.7973   0.01756   0.00956  -0.0046   0.9733   0.2109
  -7.000  -0.7640   0.01712   0.00916  -0.0061   0.9684   0.2229
  -6.750  -0.7300   0.01672   0.00880  -0.0077   0.9639   0.2357
  -6.500  -0.7010   0.01637   0.00847  -0.0081   0.9563   0.2483
  -6.250  -0.6678   0.01597   0.00812  -0.0094   0.9511   0.2617
  -6.000  -0.6409   0.01563   0.00783  -0.0094   0.9422   0.2740
  -5.750  -0.6092   0.01529   0.00752  -0.0103   0.9355   0.2876
  -5.500  -0.5815   0.01500   0.00726  -0.0103   0.9263   0.3012
  -5.250  -0.5522   0.01467   0.00698  -0.0106   0.9180   0.3152
  -5.000  -0.5254   0.01439   0.00674  -0.0103   0.9077   0.3288
  -4.750  -0.4960   0.01410   0.00649  -0.0106   0.8985   0.3432
  -4.500  -0.4699   0.01387   0.00628  -0.0101   0.8868   0.3576
  -4.250  -0.4415   0.01359   0.00604  -0.0101   0.8769   0.3723
  -4.000  -0.4164   0.01338   0.00586  -0.0094   0.8639   0.3864
  -3.750  -0.3896   0.01317   0.00567  -0.0090   0.8516   0.4008
  -3.500  -0.3625   0.01298   0.00547  -0.0086   0.8390   0.4156
  -3.250  -0.3372   0.01279   0.00533  -0.0079   0.8248   0.4297
  -3.000  -0.3111   0.01263   0.00517  -0.0074   0.8109   0.4438
  -2.750  -0.2845   0.01249   0.00501  -0.0069   0.7967   0.4581
  -2.500  -0.2587   0.01237   0.00489  -0.0062   0.7813   0.4730
  -2.250  -0.2330   0.01224   0.00479  -0.0056   0.7658   0.4873
  -2.000  -0.2071   0.01214   0.00468  -0.0050   0.7506   0.5021
  -1.750  -0.1809   0.01207   0.00458  -0.0044   0.7351   0.5169
  -1.500  -0.1551   0.01199   0.00450  -0.0037   0.7191   0.5323
  -1.250  -0.1294   0.01192   0.00445  -0.0031   0.7030   0.5470
  -1.000  -0.1035   0.01187   0.00440  -0.0025   0.6874   0.5621
  -0.750  -0.0775   0.01185   0.00435  -0.0019   0.6716   0.5774
  -0.250  -0.0259   0.01180   0.00430  -0.0006   0.6397   0.6086
   0.000   0.0000   0.01179   0.00430   0.0000   0.6241   0.6241
   0.250   0.0259   0.01180   0.00430   0.0006   0.6086   0.6397
   0.750   0.0775   0.01185   0.00435   0.0019   0.5774   0.6716
   1.000   0.1035   0.01187   0.00440   0.0025   0.5621   0.6874
   1.250   0.1294   0.01192   0.00445   0.0031   0.5470   0.7030
   1.500   0.1551   0.01199   0.00450   0.0037   0.5323   0.7191
   1.750   0.1810   0.01207   0.00458   0.0044   0.5169   0.7351
   2.000   0.2071   0.01214   0.00468   0.0050   0.5021   0.7506
   2.250   0.2330   0.01224   0.00479   0.0056   0.4873   0.7658
   2.500   0.2587   0.01237   0.00489   0.0062   0.4730   0.7813
   2.750   0.2845   0.01249   0.00501   0.0069   0.4581   0.7967
   3.000   0.3111   0.01263   0.00517   0.0074   0.4438   0.8109
   3.250   0.3372   0.01279   0.00533   0.0079   0.4297   0.8248
   3.500   0.3626   0.01298   0.00547   0.0086   0.4156   0.8391
   3.750   0.3897   0.01317   0.00567   0.0090   0.4008   0.8516
   4.000   0.4164   0.01338   0.00586   0.0094   0.3864   0.8639
   4.250   0.4415   0.01359   0.00604   0.0101   0.3723   0.8769
   4.500   0.4700   0.01387   0.00628   0.0101   0.3576   0.8868
   4.750   0.4961   0.01410   0.00649   0.0106   0.3432   0.8985
   5.000   0.5254   0.01438   0.00674   0.0103   0.3288   0.9077
   5.250   0.5522   0.01467   0.00698   0.0106   0.3152   0.9180
   5.500   0.5816   0.01500   0.00726   0.0102   0.3013   0.9264
   5.750   0.6093   0.01529   0.00752   0.0102   0.2876   0.9355
   6.000   0.6410   0.01563   0.00783   0.0094   0.2740   0.9423
   6.250   0.6679   0.01597   0.00812   0.0094   0.2616   0.9511
   6.500   0.7011   0.01637   0.00847   0.0081   0.2482   0.9563
   6.750   0.7301   0.01672   0.00880   0.0077   0.2356   0.9640
   7.000   0.7641   0.01712   0.00916   0.0061   0.2229   0.9684
   7.250   0.7974   0.01756   0.00955   0.0046   0.2108   0.9734
   7.500   0.8265   0.01801   0.00995   0.0039   0.1994   0.9799
   7.750   0.8612   0.01843   0.01036   0.0021   0.1878   0.9837
   8.000   0.8931   0.01890   0.01080   0.0008   0.1772   0.9887
   8.250   0.9239   0.01942   0.01127  -0.0004   0.1671   0.9935
   8.500   0.9564   0.01992   0.01175  -0.0020   0.1570   0.9976
   8.750   0.9784   0.02037   0.01220  -0.0015   0.1490   1.0000
   9.000   0.9844   0.02075   0.01255   0.0022   0.1432   1.0000
   9.250   0.9905   0.02112   0.01292   0.0058   0.1379   1.0000
   9.500   0.9956   0.02150   0.01330   0.0097   0.1326   1.0000
   9.750   0.9948   0.02193   0.01369   0.0145   0.1286   1.0000
  10.000   0.9991   0.02230   0.01410   0.0184   0.1241   1.0000
  10.250   1.0031   0.02281   0.01460   0.0221   0.1198   1.0000
  10.500   1.0090   0.02341   0.01520   0.0253   0.1158   1.0000
  10.750   1.0186   0.02402   0.01584   0.0277   0.1115   1.0000
  11.000   1.0267   0.02479   0.01661   0.0301   0.1076   1.0000
  11.250   1.0367   0.02558   0.01742   0.0321   0.1040   1.0000
  11.500   1.0472   0.02642   0.01830   0.0339   0.1002   1.0000
  11.750   1.0553   0.02746   0.01933   0.0356   0.0969   1.0000
  12.000   1.0659   0.02843   0.02037   0.0370   0.0936   1.0000
  12.250   1.0754   0.02954   0.02152   0.0384   0.0904   1.0000
  12.500   1.0824   0.03088   0.02286   0.0396   0.0877   1.0000
  12.750   1.0917   0.03214   0.02419   0.0406   0.0850   1.0000
  13.000   1.1001   0.03354   0.02566   0.0415   0.0824   1.0000
  13.250   1.1060   0.03518   0.02733   0.0423   0.0801   1.0000
  13.500   1.1116   0.03693   0.02912   0.0429   0.0781   1.0000
  13.750   1.1188   0.03863   0.03090   0.0434   0.0758   1.0000
  14.000   1.1238   0.04057   0.03291   0.0437   0.0737   1.0000
  14.250   1.1265   0.04280   0.03517   0.0438   0.0720   1.0000
  14.500   1.1299   0.04503   0.03747   0.0439   0.0703   1.0000
  14.750   1.1339   0.04728   0.03981   0.0438   0.0685   1.0000
  15.000   1.1361   0.04976   0.04237   0.0436   0.0670   1.0000
  15.250   1.1366   0.05249   0.04516   0.0432   0.0657   1.0000
  15.500   1.1357   0.05545   0.04815   0.0426   0.0646   1.0000
  15.750   1.1366   0.05826   0.05107   0.0421   0.0634   1.0000
  16.000   1.1372   0.06121   0.05411   0.0414   0.0621   1.0000
  16.250   1.1366   0.06434   0.05734   0.0406   0.0609   1.0000
  16.500   1.1352   0.06765   0.06072   0.0396   0.0599   1.0000
  16.750   1.1329   0.07111   0.06423   0.0385   0.0590   1.0000
  17.000   1.1303   0.07462   0.06777   0.0373   0.0581   1.0000
  17.250   1.1283   0.07818   0.07143   0.0361   0.0572   1.0000
  17.500   1.1257   0.08187   0.07525   0.0348   0.0562   1.0000
  17.750   1.1224   0.08571   0.07919   0.0333   0.0553   1.0000
  18.000   1.1188   0.08964   0.08320   0.0317   0.0544   1.0000
  18.250   1.1155   0.09356   0.08719   0.0301   0.0537   1.0000
  18.500   1.1128   0.09738   0.09107   0.0285   0.0530   1.0000
  18.750   1.1115   0.10095   0.09466   0.0270   0.0524   1.0000
  19.000   1.1084   0.10490   0.09869   0.0253   0.0517   1.0000
  19.250   1.1016   0.10961   0.10354   0.0231   0.0511   1.0000
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