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NACA 4424 (naca4424-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 4424 (naca4424-il)
Reynolds number: 200,000
Max Cl/Cd: 53.65 at α=6°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4424-il-200000.txt
Download as CSV file: xf-naca4424-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.000  -0.9410   0.06888   0.06309  -0.0927   1.0000   0.1089
 -16.750  -0.9892   0.06296   0.05694  -0.0932   1.0000   0.1098
 -16.500  -1.0290   0.05849   0.05225  -0.0926   1.0000   0.1106
 -16.250  -1.0654   0.05481   0.04836  -0.0910   1.0000   0.1113
 -16.000  -1.1006   0.05166   0.04498  -0.0887   0.9999   0.1119
 -15.750  -1.0600   0.05136   0.04485  -0.0905   0.9976   0.1138
 -15.500  -1.0352   0.05032   0.04385  -0.0926   0.9943   0.1157
 -15.250  -1.0245   0.04826   0.04167  -0.0948   0.9905   0.1175
 -15.000  -1.0253   0.04574   0.03894  -0.0960   0.9846   0.1193
 -14.750  -1.0280   0.04333   0.03622  -0.0973   0.9799   0.1210
 -14.500  -0.9956   0.04266   0.03571  -0.0985   0.9764   0.1231
 -14.250  -0.9756   0.04181   0.03490  -0.0991   0.9709   0.1252
 -14.000  -0.9581   0.04055   0.03353  -0.1003   0.9670   0.1275
 -13.750  -0.9590   0.03913   0.03193  -0.0988   0.9598   0.1295
 -13.500  -0.9460   0.03782   0.03049  -0.0987   0.9545   0.1317
 -13.250  -0.9084   0.03719   0.02997  -0.1012   0.9522   0.1343
 -13.000  -0.9002   0.03646   0.02922  -0.0992   0.9445   0.1364
 -12.750  -0.8858   0.03551   0.02813  -0.0987   0.9390   0.1392
 -12.500  -0.8636   0.03442   0.02688  -0.0994   0.9360   0.1421
 -12.250  -0.8534   0.03389   0.02645  -0.0969   0.9269   0.1442
 -12.000  -0.8278   0.03326   0.02583  -0.0973   0.9224   0.1472
 -11.750  -0.8041   0.03247   0.02490  -0.0976   0.9193   0.1507
 -11.500  -0.8177   0.03214   0.02439  -0.0909   0.9074   0.1524
 -11.250  -0.7791   0.03127   0.02368  -0.0933   0.9046   0.1560
 -11.000  -0.7485   0.03063   0.02304  -0.0941   0.9017   0.1597
 -10.750  -0.7496   0.03035   0.02266  -0.0893   0.8925   0.1623
 -10.500  -0.7374   0.02973   0.02192  -0.0868   0.8856   0.1655
 -10.250  -0.7001   0.02897   0.02129  -0.0887   0.8830   0.1695
 -10.000  -0.6671   0.02826   0.02053  -0.0898   0.8807   0.1742
  -9.750  -0.6719   0.02811   0.02025  -0.0840   0.8698   0.1767
  -9.500  -0.6434   0.02735   0.01956  -0.0843   0.8652   0.1807
  -9.250  -0.6096   0.02668   0.01892  -0.0853   0.8624   0.1855
  -9.000  -0.5765   0.02591   0.01800  -0.0862   0.8602   0.1908
  -8.750  -0.5315   0.02496   0.01716  -0.0895   0.8590   0.1963
  -8.500  -0.5382   0.02500   0.01720  -0.0830   0.8468   0.1991
  -8.250  -0.5098   0.02441   0.01652  -0.0830   0.8425   0.2047
  -8.000  -0.4663   0.02351   0.01566  -0.0858   0.8404   0.2107
  -7.750  -0.4228   0.02285   0.01501  -0.0887   0.8383   0.2176
  -7.500  -0.3733   0.02206   0.01416  -0.0928   0.8367   0.2249
  -7.250  -0.3881   0.02211   0.01425  -0.0845   0.8234   0.2273
  -7.000  -0.3478   0.02155   0.01368  -0.0867   0.8196   0.2344
  -6.750  -0.2957   0.02082   0.01291  -0.0913   0.8171   0.2426
  -6.500  -0.2386   0.02022   0.01234  -0.0969   0.8146   0.2513
  -6.250  -0.2600   0.02032   0.01240  -0.0871   0.8012   0.2540
  -6.000  -0.2094   0.01968   0.01177  -0.0914   0.7970   0.2624
  -5.750  -0.1567   0.01919   0.01125  -0.0962   0.7931   0.2717
  -5.500  -0.1683   0.01926   0.01126  -0.0882   0.7811   0.2754
  -5.250  -0.1252   0.01873   0.01079  -0.0911   0.7754   0.2840
  -5.000  -0.0871   0.01844   0.01044  -0.0929   0.7693   0.2929
  -4.750  -0.0871   0.01841   0.01034  -0.0872   0.7584   0.2979
  -4.500  -0.0439   0.01795   0.00995  -0.0901   0.7523   0.3075
  -4.250  -0.0316   0.01790   0.00986  -0.0868   0.7433   0.3146
  -4.000  -0.0102   0.01767   0.00961  -0.0854   0.7347   0.3226
  -3.750   0.0347   0.01738   0.00929  -0.0886   0.7285   0.3334
  -3.500   0.0310   0.01743   0.00931  -0.0821   0.7182   0.3395
  -3.250   0.0603   0.01714   0.00907  -0.0823   0.7106   0.3490
  -3.000   0.0904   0.01704   0.00891  -0.0826   0.7035   0.3596
  -2.750   0.0949   0.01698   0.00886  -0.0777   0.6941   0.3673
  -2.500   0.1261   0.01677   0.00867  -0.0782   0.6870   0.3786
  -2.250   0.1444   0.01679   0.00861  -0.0762   0.6796   0.3888
  -2.000   0.1558   0.01664   0.00858  -0.0728   0.6713   0.3986
  -1.750   0.1859   0.01655   0.00840  -0.0731   0.6645   0.4121
  -1.500   0.2034   0.01645   0.00840  -0.0709   0.6573   0.4237
  -1.250   0.2115   0.01643   0.00838  -0.0668   0.6495   0.4355
  -1.000   0.2397   0.01628   0.00828  -0.0667   0.6431   0.4510
  -0.750   0.2620   0.01627   0.00827  -0.0655   0.6366   0.4671
  -0.500   0.2630   0.01622   0.00833  -0.0600   0.6293   0.4809
  -0.250   0.2841   0.01612   0.00828  -0.0585   0.6229   0.4996
   0.000   0.3226   0.01611   0.00828  -0.0605   0.6172   0.5243
   0.250   0.3131   0.01611   0.00840  -0.0529   0.6104   0.5414
   0.500   0.3258   0.01607   0.00843  -0.0496   0.6039   0.5650
   0.750   0.3551   0.01601   0.00842  -0.0497   0.5983   0.5940
   1.000   0.3678   0.01606   0.00857  -0.0465   0.5926   0.6209
   1.250   0.3700   0.01611   0.00875  -0.0412   0.5862   0.6464
   1.500   0.3892   0.01608   0.00881  -0.0392   0.5803   0.6763
   1.750   0.4306   0.01607   0.00885  -0.0417   0.5750   0.7100
   2.000   0.4319   0.01620   0.00916  -0.0362   0.5692   0.7383
   2.250   0.4483   0.01630   0.00940  -0.0338   0.5631   0.7699
   2.500   0.4857   0.01635   0.00950  -0.0355   0.5573   0.8053
   2.750   0.5455   0.01660   0.00975  -0.0417   0.5514   0.8381
   3.000   0.5877   0.01699   0.01029  -0.0448   0.5443   0.8665
   3.250   0.6536   0.01736   0.01064  -0.0524   0.5373   0.8876
   3.500   0.7376   0.01791   0.01102  -0.0635   0.5309   0.8981
   3.750   0.7656   0.01837   0.01159  -0.0636   0.5241   0.9133
   4.000   0.8015   0.01876   0.01196  -0.0651   0.5176   0.9277
   4.250   0.8585   0.01921   0.01227  -0.0706   0.5115   0.9336
   4.500   0.8891   0.01970   0.01277  -0.0713   0.5055   0.9469
   4.750   0.9227   0.02009   0.01319  -0.0726   0.4988   0.9586
   5.000   0.9703   0.02039   0.01339  -0.0766   0.4926   0.9663
   5.250   1.0151   0.02081   0.01374  -0.0802   0.4865   0.9753
   5.500   1.0507   0.02107   0.01406  -0.0824   0.4794   0.9847
   5.750   1.0972   0.02127   0.01420  -0.0864   0.4728   0.9925
   6.000   1.1534   0.02150   0.01432  -0.0923   0.4665   0.9980
   6.250   1.1421   0.02159   0.01450  -0.0859   0.4613   1.0000
   6.500   1.1331   0.02170   0.01460  -0.0797   0.4565   1.0000
   6.750   1.1385   0.02178   0.01462  -0.0759   0.4517   1.0000
   7.000   1.1577   0.02198   0.01471  -0.0746   0.4466   1.0000
   7.250   1.1405   0.02229   0.01511  -0.0668   0.4418   1.0000
   7.500   1.1400   0.02257   0.01539  -0.0621   0.4364   1.0000
   7.750   1.1532   0.02276   0.01551  -0.0597   0.4315   1.0000
   8.000   1.1714   0.02304   0.01572  -0.0582   0.4263   1.0000
   8.250   1.1611   0.02355   0.01632  -0.0520   0.4208   1.0000
   8.500   1.1666   0.02391   0.01666  -0.0485   0.4153   1.0000
   8.750   1.1883   0.02409   0.01674  -0.0476   0.4103   1.0000
   9.000   1.1900   0.02466   0.01735  -0.0436   0.4049   1.0000
   9.250   1.1884   0.02527   0.01801  -0.0393   0.3991   1.0000
   9.500   1.2004   0.02563   0.01833  -0.0370   0.3938   1.0000
   9.750   1.2220   0.02592   0.01853  -0.0363   0.3884   1.0000
  10.000   1.2125   0.02684   0.01957  -0.0311   0.3825   1.0000
  10.250   1.2194   0.02741   0.02012  -0.0284   0.3769   1.0000
  10.500   1.2477   0.02752   0.02008  -0.0286   0.3714   1.0000
  10.750   1.2354   0.02872   0.02142  -0.0235   0.3656   1.0000
  11.000   1.2386   0.02952   0.02225  -0.0206   0.3597   1.0000
  11.250   1.2604   0.02976   0.02236  -0.0200   0.3541   1.0000
  11.500   1.2551   0.03100   0.02371  -0.0163   0.3483   1.0000
  11.750   1.2562   0.03204   0.02479  -0.0135   0.3422   1.0000
  12.000   1.2758   0.03238   0.02501  -0.0128   0.3366   1.0000
  12.250   1.2723   0.03378   0.02650  -0.0097   0.3308   1.0000
  12.500   1.2721   0.03505   0.02782  -0.0072   0.3247   1.0000
  12.750   1.2911   0.03543   0.02807  -0.0065   0.3190   1.0000
  13.000   1.2842   0.03721   0.02997  -0.0036   0.3131   1.0000
  13.250   1.2847   0.03864   0.03144  -0.0015   0.3071   1.0000
  13.500   1.3066   0.03889   0.03154  -0.0011   0.3015   1.0000
  13.750   1.2953   0.04117   0.03398   0.0016   0.2957   1.0000
  14.000   1.2960   0.04279   0.03563   0.0033   0.2899   1.0000
  14.250   1.3192   0.04294   0.03561   0.0036   0.2844   1.0000
  14.500   1.3027   0.04586   0.03872   0.0061   0.2785   1.0000
  14.750   1.3051   0.04750   0.04037   0.0073   0.2729   1.0000
  15.000   1.3225   0.04806   0.04082   0.0079   0.2676   1.0000
  15.250   1.3092   0.05109   0.04401   0.0096   0.2619   1.0000
  15.500   1.3129   0.05278   0.04569   0.0106   0.2565   1.0000
  15.750   1.3254   0.05375   0.04658   0.0112   0.2514   1.0000
  16.000   1.3139   0.05688   0.04986   0.0124   0.2460   1.0000
  16.250   1.3190   0.05854   0.05149   0.0131   0.2407   1.0000
  16.500   1.3283   0.05986   0.05278   0.0136   0.2359   1.0000
  16.750   1.3162   0.06329   0.05634   0.0144   0.2304   1.0000
  17.000   1.3227   0.06489   0.05790   0.0149   0.2256   1.0000
  17.250   1.3287   0.06659   0.05959   0.0153   0.2209   1.0000
  17.500   1.3167   0.07021   0.06334   0.0158   0.2158   1.0000
  17.750   1.3244   0.07175   0.06483   0.0160   0.2112   1.0000
  18.000   1.3281   0.07374   0.06683   0.0163   0.2066   1.0000
  18.250   1.3152   0.07765   0.07086   0.0164   0.2016   1.0000
  18.500   1.3235   0.07917   0.07233   0.0165   0.1973   1.0000
  18.750   1.3250   0.08148   0.07465   0.0166   0.1930   1.0000
  19.000   1.3115   0.08561   0.07892   0.0164   0.1884   1.0000
  19.250   1.3190   0.08725   0.08052   0.0163   0.1843   1.0000
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