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NACA 4424 (naca4424-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 4424 (naca4424-il)
Reynolds number: 500,000
Max Cl/Cd: 64.34 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4424-il-500000.txt
Download as CSV file: xf-naca4424-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4424                                       
  
 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  -0.9929   0.08162   0.07687  -0.0903   1.0000   0.0764
 -19.500  -0.9996   0.07886   0.07410  -0.0904   1.0000   0.0772
 -19.250  -1.0070   0.07609   0.07130  -0.0904   1.0000   0.0780
 -19.000  -1.0165   0.07300   0.06816  -0.0907   1.0000   0.0789
 -18.750  -1.0104   0.06937   0.06444  -0.0942   0.9987   0.0801
 -18.500  -1.0056   0.06575   0.06070  -0.0975   0.9970   0.0810
 -18.250  -0.9977   0.06277   0.05769  -0.1003   0.9953   0.0824
 -18.000  -0.9887   0.05995   0.05487  -0.1031   0.9936   0.0835
 -17.750  -0.9801   0.05694   0.05181  -0.1062   0.9923   0.0848
 -17.500  -0.9727   0.05409   0.04889  -0.1085   0.9901   0.0859
 -17.250  -0.9658   0.05124   0.04596  -0.1107   0.9873   0.0872
 -17.000  -0.9568   0.04853   0.04312  -0.1132   0.9849   0.0883
 -16.750  -0.9475   0.04603   0.04066  -0.1154   0.9829   0.0900
 -16.500  -0.9342   0.04368   0.03828  -0.1181   0.9813   0.0914
 -16.250  -0.9180   0.04153   0.03607  -0.1208   0.9800   0.0929
 -16.000  -0.9002   0.03950   0.03395  -0.1237   0.9790   0.0948
 -15.750  -0.8966   0.03754   0.03191  -0.1233   0.9729   0.0959
 -15.500  -0.8847   0.03548   0.02987  -0.1249   0.9701   0.0976
 -15.250  -0.8669   0.03374   0.02811  -0.1270   0.9681   0.0994
 -15.000  -0.8451   0.03220   0.02651  -0.1292   0.9667   0.1013
 -14.750  -0.8206   0.03083   0.02505  -0.1316   0.9655   0.1032
 -14.500  -0.8195   0.02932   0.02352  -0.1299   0.9578   0.1046
 -14.250  -0.8012   0.02783   0.02204  -0.1312   0.9550   0.1068
 -14.000  -0.7771   0.02664   0.02081  -0.1330   0.9533   0.1088
 -13.750  -0.7492   0.02562   0.01972  -0.1349   0.9519   0.1113
 -13.500  -0.7409   0.02449   0.01858  -0.1335   0.9452   0.1133
 -13.250  -0.7220   0.02335   0.01744  -0.1340   0.9414   0.1155
 -13.000  -0.6956   0.02240   0.01646  -0.1353   0.9392   0.1180
 -12.750  -0.6664   0.02158   0.01558  -0.1368   0.9376   0.1205
 -12.500  -0.6390   0.02054   0.01455  -0.1384   0.9361   0.1234
 -12.250  -0.6274   0.01983   0.01384  -0.1366   0.9291   0.1256
 -12.000  -0.6004   0.01919   0.01316  -0.1374   0.9252   0.1287
 -11.750  -0.5688   0.01852   0.01244  -0.1390   0.9222   0.1317
 -11.500  -0.5356   0.01775   0.01170  -0.1412   0.9197   0.1354
 -11.250  -0.5062   0.01726   0.01118  -0.1423   0.9150   0.1389
 -11.000  -0.4845   0.01688   0.01074  -0.1416   0.9076   0.1417
 -10.750  -0.4513   0.01625   0.01014  -0.1437   0.9031   0.1460
 -10.500  -0.4038   0.01581   0.00967  -0.1481   0.8999   0.1507
 -10.250  -0.3908   0.01553   0.00934  -0.1456   0.8904   0.1536
 -10.000  -0.3586   0.01507   0.00890  -0.1472   0.8838   0.1583
  -9.750  -0.3122   0.01474   0.00851  -0.1513   0.8791   0.1634
  -9.500  -0.3075   0.01452   0.00827  -0.1470   0.8685   0.1662
  -9.250  -0.2805   0.01416   0.00792  -0.1473   0.8611   0.1709
  -9.000  -0.2543   0.01396   0.00767  -0.1472   0.8536   0.1753
  -8.750  -0.2436   0.01379   0.00745  -0.1439   0.8434   0.1786
  -8.500  -0.2147   0.01346   0.00711  -0.1445   0.8358   0.1840
  -8.250  -0.2108   0.01334   0.00698  -0.1397   0.8253   0.1875
  -8.000  -0.1863   0.01321   0.00676  -0.1391   0.8168   0.1914
  -7.750  -0.1779   0.01298   0.00655  -0.1353   0.8070   0.1962
  -7.500  -0.1631   0.01283   0.00637  -0.1327   0.7974   0.2005
  -7.250  -0.1459   0.01274   0.00621  -0.1305   0.7883   0.2051
  -7.000  -0.1365   0.01260   0.00605  -0.1268   0.7784   0.2092
  -6.750  -0.1201   0.01245   0.00587  -0.1245   0.7695   0.2143
  -6.500  -0.1133   0.01238   0.00579  -0.1201   0.7595   0.2187
  -6.000  -0.0935   0.01221   0.00555  -0.1126   0.7401   0.2276
  -5.750  -0.0825   0.01214   0.00544  -0.1091   0.7308   0.2326
  -5.500  -0.0752   0.01212   0.00538  -0.1047   0.7217   0.2372
  -5.250  -0.0675   0.01206   0.00527  -0.1004   0.7118   0.2416
  -5.000  -0.0582   0.01196   0.00517  -0.0965   0.7029   0.2472
  -4.750  -0.0525   0.01190   0.00510  -0.0918   0.6933   0.2521
  -4.500  -0.0351   0.01191   0.00500  -0.0895   0.6844   0.2573
  -4.250  -0.0294   0.01179   0.00493  -0.0848   0.6758   0.2631
  -4.000  -0.0176   0.01174   0.00486  -0.0814   0.6667   0.2693
  -3.750  -0.0031   0.01174   0.00480  -0.0785   0.6582   0.2751
  -3.500   0.0081   0.01168   0.00475  -0.0749   0.6495   0.2816
  -3.250   0.0227   0.01165   0.00469  -0.0721   0.6413   0.2884
  -3.000   0.0356   0.01164   0.00467  -0.0689   0.6334   0.2947
  -2.750   0.0489   0.01162   0.00463  -0.0657   0.6253   0.3018
  -2.500   0.0652   0.01161   0.00460  -0.0633   0.6175   0.3097
  -2.250   0.0795   0.01161   0.00461  -0.0604   0.6104   0.3170
  -2.000   0.0944   0.01158   0.00458  -0.0576   0.6031   0.3249
  -1.750   0.1121   0.01160   0.00456  -0.0554   0.5958   0.3335
  -1.500   0.1267   0.01161   0.00459  -0.0526   0.5893   0.3410
  -1.250   0.1412   0.01157   0.00458  -0.0498   0.5825   0.3507
  -1.000   0.1593   0.01161   0.00459  -0.0477   0.5760   0.3606
  -0.750   0.1758   0.01161   0.00461  -0.0453   0.5700   0.3704
  -0.500   0.1920   0.01159   0.00464  -0.0429   0.5640   0.3817
  -0.250   0.2092   0.01163   0.00466  -0.0407   0.5577   0.3924
   0.000   0.2280   0.01165   0.00469  -0.0388   0.5518   0.4063
   0.250   0.2432   0.01164   0.00475  -0.0362   0.5467   0.4194
   0.500   0.2592   0.01164   0.00479  -0.0338   0.5408   0.4353
   0.750   0.2763   0.01165   0.00483  -0.0316   0.5353   0.4535
   1.000   0.2959   0.01167   0.00490  -0.0299   0.5300   0.4745
   1.250   0.3104   0.01165   0.00500  -0.0272   0.5251   0.4971
   1.500   0.3259   0.01165   0.00509  -0.0247   0.5201   0.5239
   1.750   0.3421   0.01167   0.00517  -0.0223   0.5146   0.5507
   2.000   0.3622   0.01173   0.00527  -0.0208   0.5092   0.5788
   2.250   0.3770   0.01173   0.00540  -0.0182   0.5048   0.6050
   2.500   0.3932   0.01176   0.00553  -0.0159   0.4999   0.6318
   2.750   0.4106   0.01181   0.00565  -0.0138   0.4948   0.6586
   3.000   0.4316   0.01188   0.00577  -0.0125   0.4896   0.6888
   3.250   0.4500   0.01191   0.00595  -0.0107   0.4852   0.7207
   3.500   0.4701   0.01194   0.00612  -0.0093   0.4801   0.7547
   3.750   0.4979   0.01198   0.00631  -0.0095   0.4748   0.7971
   4.000   0.5462   0.01209   0.00651  -0.0139   0.4685   0.8434
   4.250   0.6278   0.01228   0.00687  -0.0255   0.4624   0.8861
   4.500   0.7063   0.01264   0.00728  -0.0363   0.4554   0.9110
   4.750   0.7668   0.01313   0.00771  -0.0433   0.4486   0.9279
   5.000   0.8070   0.01353   0.00813  -0.0460   0.4433   0.9428
   5.250   0.8332   0.01391   0.00852  -0.0460   0.4377   0.9606
   5.500   0.8642   0.01434   0.00890  -0.0470   0.4323   0.9729
   5.750   0.8986   0.01478   0.00928  -0.0487   0.4266   0.9805
   6.000   0.9355   0.01514   0.00967  -0.0510   0.4209   0.9865
   6.250   0.9711   0.01560   0.01009  -0.0531   0.4146   0.9920
   6.500   1.0099   0.01601   0.01042  -0.0560   0.4084   0.9963
   6.750   1.0494   0.01631   0.01077  -0.0589   0.4029   0.9995
   7.000   1.0625   0.01661   0.01105  -0.0568   0.3975   1.0000
   7.250   1.0695   0.01695   0.01134  -0.0535   0.3925   1.0000
   7.500   1.0786   0.01731   0.01168  -0.0506   0.3874   1.0000
   7.750   1.0894   0.01765   0.01203  -0.0480   0.3825   1.0000
   8.000   1.0998   0.01804   0.01241  -0.0454   0.3773   1.0000
   8.250   1.1089   0.01854   0.01285  -0.0426   0.3721   1.0000
   8.500   1.1209   0.01896   0.01330  -0.0404   0.3673   1.0000
   8.750   1.1326   0.01942   0.01376  -0.0381   0.3616   1.0000
   9.000   1.1423   0.01999   0.01430  -0.0357   0.3563   1.0000
   9.250   1.1524   0.02058   0.01488  -0.0334   0.3508   1.0000
   9.500   1.1650   0.02111   0.01542  -0.0315   0.3453   1.0000
   9.750   1.1735   0.02182   0.01611  -0.0291   0.3393   1.0000
  10.000   1.1832   0.02253   0.01680  -0.0269   0.3338   1.0000
  10.250   1.1957   0.02315   0.01745  -0.0252   0.3284   1.0000
  10.500   1.2042   0.02398   0.01825  -0.0231   0.3225   1.0000
  10.750   1.2128   0.02483   0.01908  -0.0210   0.3169   1.0000
  11.000   1.2242   0.02560   0.01989  -0.0194   0.3114   1.0000
  11.250   1.2321   0.02657   0.02084  -0.0174   0.3052   1.0000
  11.500   1.2396   0.02760   0.02185  -0.0155   0.2998   1.0000
  11.750   1.2503   0.02851   0.02279  -0.0141   0.2940   1.0000
  12.000   1.2565   0.02969   0.02395  -0.0122   0.2878   1.0000
  12.250   1.2639   0.03085   0.02511  -0.0106   0.2823   1.0000
  12.500   1.2730   0.03194   0.02623  -0.0092   0.2764   1.0000
  12.750   1.2770   0.03339   0.02764  -0.0074   0.2705   1.0000
  13.000   1.2852   0.03460   0.02888  -0.0061   0.2652   1.0000
  13.250   1.2913   0.03601   0.03031  -0.0048   0.2593   1.0000
  13.500   1.2940   0.03766   0.03192  -0.0032   0.2536   1.0000
  13.750   1.3018   0.03902   0.03333  -0.0021   0.2487   1.0000
  14.000   1.3068   0.04060   0.03491  -0.0009   0.2428   1.0000
  14.250   1.3070   0.04256   0.03685   0.0005   0.2375   1.0000
  14.500   1.3153   0.04398   0.03833   0.0013   0.2326   1.0000
  14.750   1.3172   0.04593   0.04028   0.0024   0.2272   1.0000
  15.000   1.3186   0.04790   0.04223   0.0035   0.2224   1.0000
  15.250   1.3238   0.04966   0.04405   0.0042   0.2176   1.0000
  15.500   1.3249   0.05177   0.04615   0.0051   0.2123   1.0000
  15.750   1.3248   0.05402   0.04840   0.0060   0.2077   1.0000
  16.000   1.3300   0.05585   0.05028   0.0065   0.2032   1.0000
  16.250   1.3286   0.05830   0.05274   0.0072   0.1983   1.0000
  16.500   1.3293   0.06055   0.05499   0.0079   0.1939   1.0000
  16.750   1.3311   0.06279   0.05729   0.0083   0.1893   1.0000
  17.000   1.3308   0.06522   0.05971   0.0088   0.1849   1.0000
  17.250   1.3292   0.06781   0.06232   0.0092   0.1808   1.0000
  17.500   1.3320   0.07003   0.06458   0.0094   0.1766   1.0000
  17.750   1.3288   0.07284   0.06740   0.0097   0.1723   1.0000
  18.000   1.3280   0.07540   0.06997   0.0099   0.1684   1.0000
  18.250   1.3289   0.07789   0.07252   0.0100   0.1643   1.0000
  18.500   1.3270   0.08066   0.07529   0.0100   0.1605   1.0000
  18.750   1.3253   0.08339   0.07802   0.0101   0.1569   1.0000
  19.000   1.3251   0.08607   0.08078   0.0100   0.1530   1.0000
  19.250   1.3232   0.08888   0.08359   0.0098   0.1492   1.0000
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