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NACA 0018 (naca0018-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: NACA 0018 (naca0018-il)
Reynolds number: 100,000
Max Cl/Cd: 37.49 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca0018-il-100000.txt
Download as CSV file: xf-naca0018-il-100000.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 =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.500  -0.9550   0.08747   0.08073  -0.0445   1.0000   0.1167
 -15.250  -1.0272   0.07547   0.06840  -0.0497   1.0000   0.1161
 -15.000  -1.0783   0.06773   0.06033  -0.0516   1.0000   0.1161
 -14.750  -1.1189   0.06210   0.05436  -0.0514   1.0000   0.1164
 -14.500  -1.1535   0.05778   0.04970  -0.0498   1.0000   0.1169
 -14.250  -1.1203   0.05664   0.04877  -0.0500   1.0000   0.1202
 -14.000  -1.1217   0.05432   0.04636  -0.0489   1.0000   0.1223
 -13.750  -1.1308   0.05169   0.04355  -0.0471   1.0000   0.1244
 -13.500  -1.1462   0.04907   0.04066  -0.0443   1.0000   0.1263
 -13.250  -1.1656   0.04675   0.03801  -0.0403   1.0000   0.1281
 -13.000  -1.1414   0.04522   0.03663  -0.0404   1.0000   0.1320
 -12.750  -1.1355   0.04388   0.03523  -0.0383   1.0000   0.1355
 -12.500  -1.1414   0.04228   0.03343  -0.0346   1.0000   0.1387
 -12.250  -1.1487   0.04066   0.03154  -0.0304   1.0000   0.1418
 -12.000  -1.1210   0.03959   0.03072  -0.0308   1.0000   0.1470
 -11.750  -1.1195   0.03838   0.02935  -0.0275   1.0000   0.1514
 -11.500  -1.1138   0.03697   0.02781  -0.0248   1.0000   0.1561
 -11.250  -1.0953   0.03611   0.02710  -0.0236   1.0000   0.1618
 -11.000  -1.0950   0.03505   0.02581  -0.0198   1.0000   0.1672
 -10.750  -1.0765   0.03402   0.02493  -0.0186   1.0000   0.1734
 -10.500  -1.0688   0.03319   0.02403  -0.0157   1.0000   0.1799
 -10.250  -1.0581   0.03218   0.02301  -0.0132   1.0000   0.1865
 -10.000  -1.0458   0.03148   0.02236  -0.0108   1.0000   0.1937
  -9.750  -1.0375   0.03057   0.02136  -0.0079   1.0000   0.2010
  -9.500  -1.0236   0.02993   0.02082  -0.0057   1.0000   0.2090
  -9.250  -1.0148   0.02910   0.01992  -0.0027   1.0000   0.2172
  -9.000  -1.0014   0.02851   0.01944  -0.0004   1.0000   0.2260
  -8.750  -0.9907   0.02777   0.01868   0.0023   1.0000   0.2350
  -8.500  -0.9790   0.02722   0.01815   0.0050   1.0000   0.2448
  -8.250  -0.9660   0.02658   0.01758   0.0074   1.0000   0.2545
  -8.000  -0.9568   0.02606   0.01694   0.0104   1.0000   0.2656
  -7.750  -0.9410   0.02552   0.01660   0.0123   1.0000   0.2761
  -7.500  -0.9288   0.02497   0.01604   0.0149   1.0000   0.2877
  -7.250  -0.9162   0.02454   0.01561   0.0173   1.0000   0.3002
  -7.000  -0.9009   0.02410   0.01530   0.0193   1.0000   0.3120
  -6.750  -0.8871   0.02367   0.01489   0.0215   1.0000   0.3250
  -6.500  -0.8738   0.02333   0.01448   0.0238   1.0000   0.3390
  -6.250  -0.8569   0.02300   0.01433   0.0255   1.0000   0.3521
  -6.000  -0.8409   0.02270   0.01409   0.0272   1.0000   0.3659
  -5.750  -0.8252   0.02242   0.01383   0.0290   1.0000   0.3807
  -5.500  -0.8096   0.02221   0.01360   0.0307   1.0000   0.3964
  -5.250  -0.7920   0.02203   0.01357   0.0322   1.0000   0.4108
  -5.000  -0.7748   0.02186   0.01350   0.0336   1.0000   0.4258
  -4.750  -0.7579   0.02173   0.01342   0.0350   1.0000   0.4415
  -4.500  -0.7326   0.02166   0.01341   0.0348   0.9977   0.4593
  -4.250  -0.6863   0.02174   0.01359   0.0308   0.9891   0.4811
  -4.000  -0.6394   0.02182   0.01377   0.0268   0.9802   0.5031
  -3.750  -0.5975   0.02181   0.01384   0.0238   0.9696   0.5242
  -3.500  -0.5556   0.02180   0.01392   0.0209   0.9593   0.5450
  -3.250  -0.5079   0.02179   0.01400   0.0171   0.9504   0.5669
  -3.000  -0.4718   0.02171   0.01400   0.0155   0.9380   0.5863
  -2.750  -0.4314   0.02165   0.01402   0.0133   0.9272   0.6065
  -2.500  -0.3860   0.02156   0.01402   0.0103   0.9178   0.6273
  -2.250  -0.3503   0.02148   0.01403   0.0092   0.9053   0.6463
  -2.000  -0.2985   0.02133   0.01397   0.0054   0.8982   0.6672
  -1.750  -0.2642   0.02125   0.01396   0.0047   0.8851   0.6855
  -1.500  -0.2136   0.02102   0.01380   0.0015   0.8784   0.7050
  -1.250  -0.1834   0.02093   0.01378   0.0019   0.8640   0.7225
  -1.000  -0.1421   0.02074   0.01362   0.0005   0.8546   0.7406
  -0.750  -0.1085   0.02058   0.01350   0.0005   0.8417   0.7583
  -0.500  -0.0739   0.02059   0.01357   0.0005   0.8283   0.7734
  -0.250  -0.0290   0.02045   0.01344  -0.0009   0.8185   0.7873
   0.000   0.0000   0.02047   0.01348   0.0000   0.8025   0.8025
   0.250   0.0290   0.02045   0.01344   0.0009   0.7873   0.8185
   0.500   0.0739   0.02059   0.01357  -0.0005   0.7734   0.8283
   0.750   0.1085   0.02058   0.01350  -0.0005   0.7583   0.8417
   1.000   0.1420   0.02074   0.01362  -0.0005   0.7406   0.8546
   1.250   0.1834   0.02093   0.01378  -0.0019   0.7225   0.8640
   1.500   0.2136   0.02102   0.01380  -0.0015   0.7050   0.8784
   1.750   0.2641   0.02125   0.01396  -0.0047   0.6855   0.8851
   2.000   0.2985   0.02133   0.01397  -0.0053   0.6672   0.8982
   2.250   0.3503   0.02148   0.01403  -0.0092   0.6464   0.9054
   2.500   0.3860   0.02156   0.01402  -0.0103   0.6273   0.9178
   2.750   0.4313   0.02165   0.01402  -0.0133   0.6065   0.9273
   3.000   0.4718   0.02170   0.01399  -0.0155   0.5863   0.9380
   3.250   0.5079   0.02179   0.01399  -0.0171   0.5669   0.9504
   3.500   0.5555   0.02180   0.01392  -0.0209   0.5451   0.9594
   3.750   0.5975   0.02181   0.01384  -0.0238   0.5242   0.9697
   4.000   0.6394   0.02182   0.01376  -0.0268   0.5031   0.9803
   4.250   0.6862   0.02173   0.01358  -0.0308   0.4811   0.9891
   4.500   0.7326   0.02165   0.01340  -0.0348   0.4594   0.9977
   4.750   0.7577   0.02172   0.01341  -0.0350   0.4416   1.0000
   5.000   0.7746   0.02186   0.01349  -0.0336   0.4258   1.0000
   5.250   0.7917   0.02202   0.01357  -0.0321   0.4109   1.0000
   5.500   0.8094   0.02221   0.01359  -0.0307   0.3965   1.0000
   5.750   0.8249   0.02241   0.01382  -0.0290   0.3808   1.0000
   6.000   0.8406   0.02269   0.01409  -0.0272   0.3659   1.0000
   6.250   0.8566   0.02300   0.01432  -0.0254   0.3521   1.0000
   6.500   0.8736   0.02332   0.01448  -0.0237   0.3391   1.0000
   6.750   0.8869   0.02366   0.01488  -0.0215   0.3250   1.0000
   7.000   0.9007   0.02410   0.01530  -0.0193   0.3120   1.0000
   7.250   0.9161   0.02454   0.01560  -0.0173   0.3002   1.0000
   7.500   0.9286   0.02497   0.01603  -0.0148   0.2878   1.0000
   7.750   0.9409   0.02551   0.01659  -0.0123   0.2762   1.0000
   8.000   0.9567   0.02605   0.01693  -0.0104   0.2656   1.0000
   8.250   0.9659   0.02658   0.01758  -0.0073   0.2545   1.0000
   8.500   0.9789   0.02722   0.01815  -0.0050   0.2448   1.0000
   8.750   0.9905   0.02777   0.01867  -0.0023   0.2350   1.0000
   9.000   1.0013   0.02851   0.01943   0.0004   0.2260   1.0000
   9.250   1.0147   0.02910   0.01992   0.0027   0.2172   1.0000
   9.500   1.0236   0.02992   0.02082   0.0057   0.2090   1.0000
   9.750   1.0375   0.03056   0.02135   0.0079   0.2011   1.0000
  10.000   1.0458   0.03148   0.02236   0.0108   0.1937   1.0000
  10.250   1.0581   0.03218   0.02300   0.0132   0.1864   1.0000
  10.500   1.0689   0.03319   0.02403   0.0157   0.1798   1.0000
  10.750   1.0767   0.03402   0.02493   0.0186   0.1734   1.0000
  11.000   1.0951   0.03505   0.02581   0.0198   0.1672   1.0000
  11.250   1.0956   0.03611   0.02709   0.0236   0.1618   1.0000
  11.500   1.1142   0.03697   0.02780   0.0247   0.1561   1.0000
  11.750   1.1198   0.03838   0.02935   0.0275   0.1514   1.0000
  12.000   1.1215   0.03960   0.03072   0.0307   0.1469   1.0000
  12.250   1.1498   0.04067   0.03155   0.0303   0.1417   1.0000
  12.500   1.1419   0.04229   0.03344   0.0345   0.1387   1.0000
  12.750   1.1362   0.04388   0.03524   0.0382   0.1355   1.0000
  13.000   1.1426   0.04522   0.03662   0.0402   0.1320   1.0000
  13.250   1.1661   0.04677   0.03803   0.0402   0.1281   1.0000
  13.500   1.1468   0.04909   0.04068   0.0442   0.1263   1.0000
  13.750   1.1317   0.05171   0.04357   0.0469   0.1243   1.0000
  14.000   1.1232   0.05431   0.04635   0.0487   0.1222   1.0000
  14.250   1.1226   0.05659   0.04871   0.0498   0.1200   1.0000
  14.500   1.1540   0.05783   0.04975   0.0496   0.1169   1.0000
  14.750   1.1193   0.06216   0.05444   0.0512   0.1164   1.0000
  15.000   1.0788   0.06782   0.06043   0.0513   0.1160   1.0000
  15.250   1.0273   0.07564   0.06857   0.0494   0.1161   1.0000
  15.500   0.9543   0.08783   0.08110   0.0440   0.1167   1.0000
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