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12% JOUKOWSKI AIRFOIL (joukowsk-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: 12% JOUKOWSKI AIRFOIL (joukowsk-il)
Reynolds number: 500,000
Max Cl/Cd: 65.91 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-joukowsk-il-500000.txt
Download as CSV file: xf-joukowsk-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: 12% JOUKOWSKI AIRFOIL                           
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -1.0771   0.14453   0.14175   0.0401   1.0000   0.0218
 -18.250  -1.1215   0.12918   0.12614   0.0300   1.0000   0.0217
 -18.000  -1.1460   0.11912   0.11591   0.0235   1.0000   0.0218
 -17.750  -1.1659   0.11042   0.10705   0.0179   1.0000   0.0219
 -17.500  -1.1818   0.10283   0.09931   0.0132   1.0000   0.0220
 -17.250  -1.1968   0.09560   0.09194   0.0086   1.0000   0.0222
 -17.000  -1.2095   0.08909   0.08529   0.0046   1.0000   0.0224
 -16.750  -1.2210   0.08297   0.07903   0.0009   1.0000   0.0225
 -16.500  -1.2321   0.07712   0.07303  -0.0026   1.0000   0.0227
 -16.250  -1.2419   0.07169   0.06746  -0.0058   1.0000   0.0229
 -16.000  -1.2502   0.06675   0.06238  -0.0086   1.0000   0.0231
 -15.750  -1.2578   0.06201   0.05748  -0.0114   1.0000   0.0233
 -15.500  -1.2660   0.05756   0.05293  -0.0133   1.0000   0.0236
 -15.250  -1.2727   0.05347   0.04877  -0.0150   1.0000   0.0239
 -15.000  -1.2757   0.04987   0.04511  -0.0166   1.0000   0.0243
 -14.750  -1.2774   0.04652   0.04168  -0.0180   1.0000   0.0246
 -14.500  -1.2774   0.04348   0.03857  -0.0193   1.0000   0.0251
 -14.250  -1.2768   0.04063   0.03563  -0.0202   1.0000   0.0254
 -14.000  -1.2752   0.03804   0.03293  -0.0209   1.0000   0.0259
 -13.750  -1.2729   0.03567   0.03045  -0.0213   1.0000   0.0264
 -13.500  -1.2694   0.03356   0.02823  -0.0213   1.0000   0.0269
 -13.250  -1.2652   0.03170   0.02624  -0.0210   1.0000   0.0273
 -13.000  -1.2618   0.02995   0.02437  -0.0202   1.0000   0.0278
 -12.750  -1.2639   0.02799   0.02236  -0.0185   1.0000   0.0283
 -12.500  -1.2608   0.02668   0.02101  -0.0164   1.0000   0.0289
 -12.250  -1.2505   0.02568   0.01995  -0.0149   1.0000   0.0296
 -12.000  -1.2359   0.02476   0.01897  -0.0138   1.0000   0.0306
 -11.750  -1.2192   0.02392   0.01805  -0.0128   1.0000   0.0316
 -11.500  -1.1998   0.02325   0.01726  -0.0120   1.0000   0.0325
 -11.250  -1.1867   0.02185   0.01585  -0.0108   1.0000   0.0338
 -11.000  -1.1671   0.02106   0.01502  -0.0101   1.0000   0.0351
 -10.750  -1.1460   0.02036   0.01428  -0.0095   1.0000   0.0365
 -10.500  -1.1235   0.01977   0.01360  -0.0089   1.0000   0.0378
 -10.250  -1.1041   0.01876   0.01257  -0.0082   1.0000   0.0397
 -10.000  -1.0813   0.01813   0.01192  -0.0077   1.0000   0.0417
  -9.750  -1.0574   0.01760   0.01133  -0.0073   1.0000   0.0437
  -9.500  -1.0349   0.01683   0.01053  -0.0068   1.0000   0.0460
  -9.250  -1.0112   0.01622   0.00992  -0.0064   1.0000   0.0487
  -9.000  -0.9860   0.01579   0.00944  -0.0060   1.0000   0.0514
  -8.750  -0.9623   0.01508   0.00874  -0.0056   1.0000   0.0550
  -8.500  -0.9369   0.01463   0.00827  -0.0053   1.0000   0.0586
  -8.250  -0.9118   0.01408   0.00771  -0.0050   1.0000   0.0629
  -8.000  -0.8861   0.01363   0.00727  -0.0048   1.0000   0.0679
  -7.750  -0.8604   0.01313   0.00679  -0.0045   1.0000   0.0737
  -7.500  -0.8341   0.01275   0.00641  -0.0043   1.0000   0.0799
  -7.250  -0.8081   0.01226   0.00597  -0.0041   1.0000   0.0880
  -7.000  -0.7817   0.01186   0.00559  -0.0039   1.0000   0.0966
  -6.750  -0.7549   0.01150   0.00526  -0.0037   1.0000   0.1062
  -6.500  -0.7282   0.01112   0.00493  -0.0036   1.0000   0.1176
  -6.250  -0.7015   0.01074   0.00462  -0.0034   1.0000   0.1304
  -6.000  -0.6745   0.01039   0.00434  -0.0033   1.0000   0.1445
  -5.750  -0.6475   0.01007   0.00408  -0.0032   1.0000   0.1598
  -5.500  -0.6204   0.00976   0.00385  -0.0031   1.0000   0.1761
  -5.250  -0.5935   0.00945   0.00362  -0.0030   1.0000   0.1934
  -5.000  -0.5666   0.00915   0.00342  -0.0028   1.0000   0.2117
  -4.750  -0.5398   0.00888   0.00325  -0.0027   0.9995   0.2305
  -4.500  -0.5004   0.00865   0.00309  -0.0051   0.9771   0.2532
  -4.250  -0.4644   0.00843   0.00295  -0.0067   0.9534   0.2754
  -3.750  -0.4119   0.00817   0.00272  -0.0053   0.8992   0.3147
  -3.500  -0.3870   0.00807   0.00261  -0.0044   0.8757   0.3342
  -3.250  -0.3610   0.00796   0.00249  -0.0037   0.8530   0.3534
  -3.000  -0.3346   0.00786   0.00239  -0.0031   0.8316   0.3730
  -2.750  -0.3078   0.00777   0.00229  -0.0026   0.8112   0.3930
  -2.500  -0.2805   0.00769   0.00220  -0.0022   0.7913   0.4126
  -2.250  -0.2529   0.00762   0.00212  -0.0019   0.7716   0.4321
  -1.750  -0.1972   0.00750   0.00199  -0.0014   0.7329   0.4706
  -1.500  -0.1693   0.00744   0.00193  -0.0011   0.7141   0.4897
  -1.250  -0.1412   0.00740   0.00189  -0.0009   0.6953   0.5088
  -1.000  -0.1131   0.00737   0.00185  -0.0007   0.6767   0.5277
  -0.750  -0.0849   0.00735   0.00182  -0.0005   0.6582   0.5467
  -0.500  -0.0566   0.00734   0.00180  -0.0003   0.6397   0.5656
  -0.250  -0.0283   0.00733   0.00178  -0.0002   0.6214   0.5841
   0.000   0.0000   0.00733   0.00178   0.0000   0.6028   0.6028
   0.250   0.0283   0.00733   0.00178   0.0002   0.5842   0.6214
   0.500   0.0566   0.00734   0.00180   0.0003   0.5655   0.6397
   0.750   0.0848   0.00735   0.00182   0.0005   0.5467   0.6582
   1.000   0.1130   0.00737   0.00185   0.0007   0.5278   0.6767
   1.250   0.1412   0.00740   0.00188   0.0009   0.5088   0.6952
   1.500   0.1692   0.00744   0.00193   0.0011   0.4897   0.7141
   1.750   0.1972   0.00750   0.00199   0.0014   0.4706   0.7330
   2.250   0.2528   0.00762   0.00212   0.0019   0.4321   0.7716
   2.500   0.2805   0.00769   0.00220   0.0022   0.4126   0.7913
   2.750   0.3077   0.00777   0.00229   0.0026   0.3930   0.8112
   3.000   0.3346   0.00786   0.00239   0.0031   0.3730   0.8316
   3.250   0.3610   0.00796   0.00249   0.0037   0.3534   0.8530
   3.500   0.3870   0.00807   0.00261   0.0044   0.3342   0.8757
   3.750   0.4118   0.00817   0.00272   0.0053   0.3148   0.8993
   4.250   0.4643   0.00843   0.00295   0.0067   0.2754   0.9535
   4.500   0.5004   0.00865   0.00309   0.0051   0.2532   0.9772
   4.750   0.5398   0.00888   0.00325   0.0027   0.2305   0.9994
   5.000   0.5666   0.00915   0.00342   0.0028   0.2118   1.0000
   5.250   0.5935   0.00945   0.00362   0.0030   0.1935   1.0000
   5.500   0.6204   0.00976   0.00385   0.0031   0.1761   1.0000
   5.750   0.6475   0.01007   0.00408   0.0032   0.1598   1.0000
   6.000   0.6745   0.01039   0.00434   0.0033   0.1445   1.0000
   6.250   0.7014   0.01074   0.00462   0.0034   0.1304   1.0000
   6.500   0.7282   0.01112   0.00493   0.0036   0.1175   1.0000
   6.750   0.7549   0.01150   0.00526   0.0037   0.1062   1.0000
   7.000   0.7816   0.01186   0.00559   0.0039   0.0966   1.0000
   7.250   0.8081   0.01226   0.00597   0.0041   0.0879   1.0000
   7.500   0.8340   0.01275   0.00641   0.0043   0.0799   1.0000
   7.750   0.8604   0.01313   0.00678   0.0045   0.0737   1.0000
   8.000   0.8860   0.01363   0.00727   0.0048   0.0679   1.0000
   8.250   0.9118   0.01408   0.00770   0.0050   0.0629   1.0000
   8.500   0.9368   0.01463   0.00827   0.0053   0.0586   1.0000
   8.750   0.9622   0.01508   0.00874   0.0056   0.0550   1.0000
   9.000   0.9858   0.01579   0.00943   0.0061   0.0514   1.0000
   9.250   1.0111   0.01621   0.00992   0.0064   0.0486   1.0000
   9.500   1.0349   0.01683   0.01052   0.0068   0.0460   1.0000
   9.750   1.0573   0.01759   0.01133   0.0073   0.0437   1.0000
  10.000   1.0812   0.01813   0.01192   0.0078   0.0417   1.0000
  10.250   1.1039   0.01876   0.01256   0.0082   0.0397   1.0000
  10.500   1.1231   0.01977   0.01360   0.0090   0.0379   1.0000
  10.750   1.1457   0.02035   0.01427   0.0095   0.0365   1.0000
  11.000   1.1669   0.02104   0.01501   0.0102   0.0350   1.0000
  11.250   1.1864   0.02184   0.01584   0.0109   0.0338   1.0000
  11.500   1.1994   0.02325   0.01726   0.0121   0.0325   1.0000
  11.750   1.2187   0.02394   0.01807   0.0129   0.0316   1.0000
  12.000   1.2359   0.02475   0.01896   0.0138   0.0305   1.0000
  12.250   1.2507   0.02566   0.01994   0.0149   0.0296   1.0000
  12.500   1.2610   0.02668   0.02101   0.0164   0.0289   1.0000
  12.750   1.2641   0.02801   0.02238   0.0184   0.0283   1.0000
  13.000   1.2610   0.03007   0.02449   0.0202   0.0277   1.0000
  13.250   1.2658   0.03170   0.02623   0.0209   0.0273   1.0000
  13.500   1.2704   0.03350   0.02816   0.0213   0.0268   1.0000
  13.750   1.2734   0.03564   0.03043   0.0213   0.0264   1.0000
  14.000   1.2758   0.03800   0.03289   0.0209   0.0259   1.0000
  14.250   1.2771   0.04062   0.03561   0.0202   0.0254   1.0000
  14.500   1.2779   0.04344   0.03852   0.0193   0.0250   1.0000
  14.750   1.2775   0.04651   0.04167   0.0181   0.0247   1.0000
  15.000   1.2763   0.04979   0.04502   0.0166   0.0243   1.0000
  15.250   1.2725   0.05347   0.04876   0.0150   0.0239   1.0000
  15.500   1.2659   0.05753   0.05289   0.0134   0.0235   1.0000
  15.750   1.2580   0.06193   0.05741   0.0114   0.0233   1.0000
  16.000   1.2506   0.06663   0.06226   0.0087   0.0231   1.0000
  16.250   1.2419   0.07161   0.06738   0.0059   0.0229   1.0000
  16.500   1.2324   0.07696   0.07288   0.0027   0.0227   1.0000
  16.750   1.2211   0.08282   0.07888  -0.0008   0.0225   1.0000
  17.000   1.2100   0.08886   0.08506  -0.0044   0.0224   1.0000
  17.250   1.1972   0.09539   0.09172  -0.0084   0.0222   1.0000
  17.500   1.1821   0.10260   0.09908  -0.0130   0.0220   1.0000
  17.750   1.1656   0.11029   0.10691  -0.0178   0.0219   1.0000
  18.000   1.1462   0.11889   0.11567  -0.0233   0.0218   1.0000
  18.250   1.1218   0.12889   0.12585  -0.0297   0.0217   1.0000
  18.500   1.0727   0.14533   0.14257  -0.0405   0.0219   1.0000
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