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ARA-D 13% AIRFOIL (arad13-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: ARA-D 13% AIRFOIL (arad13-il)
Reynolds number: 500,000
Max Cl/Cd: 78.61 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-arad13-il-500000.txt
Download as CSV file: xf-arad13-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: ARA-D 13% 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
  ------ -------- --------- --------- -------- -------- --------
 -12.750  -0.9499   0.04584   0.04240  -0.0528   1.0000   0.0209
 -12.500  -0.9653   0.04131   0.03758  -0.0528   1.0000   0.0209
 -12.250  -0.9635   0.03824   0.03428  -0.0524   1.0000   0.0211
 -12.000  -0.9549   0.03573   0.03157  -0.0520   1.0000   0.0213
 -11.750  -0.9425   0.03348   0.02910  -0.0515   1.0000   0.0215
 -11.500  -0.9269   0.03151   0.02694  -0.0510   1.0000   0.0218
 -11.250  -0.9093   0.02964   0.02486  -0.0506   1.0000   0.0221
 -11.000  -0.8898   0.02794   0.02294  -0.0502   1.0000   0.0225
 -10.750  -0.8685   0.02641   0.02118  -0.0499   1.0000   0.0228
 -10.500  -0.8455   0.02515   0.01969  -0.0496   1.0000   0.0232
 -10.250  -0.8235   0.02352   0.01796  -0.0493   1.0000   0.0236
 -10.000  -0.7985   0.02261   0.01703  -0.0492   1.0000   0.0241
  -9.750  -0.7726   0.02183   0.01620  -0.0490   1.0000   0.0246
  -9.500  -0.7464   0.02103   0.01532  -0.0489   1.0000   0.0252
  -9.250  -0.7198   0.02026   0.01441  -0.0488   1.0000   0.0260
  -9.000  -0.6931   0.01944   0.01345  -0.0487   1.0000   0.0268
  -8.750  -0.6666   0.01864   0.01267  -0.0487   1.0000   0.0276
  -8.500  -0.6392   0.01810   0.01212  -0.0486   1.0000   0.0285
  -8.250  -0.6116   0.01750   0.01144  -0.0485   1.0000   0.0295
  -8.000  -0.5845   0.01680   0.01066  -0.0484   1.0000   0.0306
  -7.750  -0.5576   0.01626   0.01016  -0.0483   1.0000   0.0318
  -7.500  -0.5315   0.01585   0.00972  -0.0480   1.0000   0.0333
  -7.250  -0.4986   0.01525   0.00908  -0.0490   0.9952   0.0350
  -7.000  -0.4617   0.01484   0.00868  -0.0509   0.9856   0.0370
  -6.750  -0.4262   0.01438   0.00816  -0.0524   0.9727   0.0395
  -6.500  -0.3937   0.01411   0.00789  -0.0531   0.9557   0.0419
  -6.250  -0.3660   0.01378   0.00750  -0.0527   0.9357   0.0444
  -6.000  -0.3400   0.01357   0.00726  -0.0518   0.9150   0.0468
  -5.750  -0.3137   0.01331   0.00690  -0.0511   0.8956   0.0495
  -5.500  -0.2868   0.01310   0.00665  -0.0505   0.8773   0.0522
  -5.250  -0.2593   0.01288   0.00635  -0.0501   0.8600   0.0554
  -5.000  -0.2314   0.01271   0.00613  -0.0497   0.8432   0.0587
  -4.750  -0.2030   0.01249   0.00585  -0.0495   0.8267   0.0623
  -4.500  -0.1743   0.01235   0.00567  -0.0494   0.8106   0.0662
  -4.250  -0.1455   0.01213   0.00541  -0.0493   0.7950   0.0704
  -4.000  -0.1165   0.01203   0.00523  -0.0492   0.7791   0.0749
  -3.750  -0.0876   0.01182   0.00500  -0.0492   0.7626   0.0800
  -3.500  -0.0584   0.01171   0.00480  -0.0491   0.7461   0.0855
  -3.250  -0.0291   0.01157   0.00464  -0.0492   0.7302   0.0920
  -3.000   0.0004   0.01141   0.00447  -0.0493   0.7151   0.0994
  -2.750   0.0299   0.01132   0.00433  -0.0493   0.7005   0.1072
  -2.500   0.0594   0.01123   0.00422  -0.0494   0.6861   0.1158
  -2.250   0.0889   0.01113   0.00410  -0.0496   0.6716   0.1252
  -2.000   0.1187   0.01105   0.00399  -0.0497   0.6570   0.1347
  -1.750   0.1484   0.01099   0.00391  -0.0499   0.6428   0.1450
  -1.500   0.1780   0.01091   0.00382  -0.0500   0.6286   0.1566
  -1.000   0.2374   0.01080   0.00367  -0.0504   0.5993   0.1827
  -0.750   0.2671   0.01073   0.00362  -0.0506   0.5852   0.2004
  -0.500   0.2968   0.01064   0.00357  -0.0508   0.5716   0.2250
  -0.250   0.3264   0.01052   0.00353  -0.0511   0.5570   0.2658
   0.000   0.3556   0.01005   0.00351  -0.0516   0.5419   0.4112
   0.250   0.3802   0.00891   0.00358  -0.0510   0.5281   0.7781
   0.500   0.3990   0.00847   0.00350  -0.0479   0.5150   0.9582
   0.750   0.4357   0.00843   0.00335  -0.0496   0.4981   1.0000
   1.000   0.4650   0.00858   0.00337  -0.0498   0.4814   1.0000
   1.250   0.4942   0.00873   0.00340  -0.0499   0.4646   1.0000
   1.500   0.5235   0.00890   0.00344  -0.0501   0.4474   1.0000
   1.750   0.5528   0.00907   0.00350  -0.0503   0.4289   1.0000
   2.000   0.5820   0.00926   0.00357  -0.0505   0.4094   1.0000
   2.250   0.6111   0.00947   0.00366  -0.0507   0.3897   1.0000
   2.500   0.6402   0.00969   0.00376  -0.0508   0.3698   1.0000
   2.750   0.6691   0.00994   0.00388  -0.0510   0.3494   1.0000
   3.000   0.6979   0.01020   0.00401  -0.0512   0.3302   1.0000
   3.250   0.7267   0.01046   0.00416  -0.0514   0.3133   1.0000
   3.500   0.7555   0.01073   0.00433  -0.0516   0.2982   1.0000
   3.750   0.7841   0.01100   0.00450  -0.0518   0.2844   1.0000
   4.000   0.8125   0.01131   0.00470  -0.0519   0.2717   1.0000
   4.250   0.8413   0.01153   0.00488  -0.0521   0.2613   1.0000
   4.500   0.8697   0.01181   0.00509  -0.0523   0.2517   1.0000
   4.750   0.8981   0.01208   0.00530  -0.0524   0.2424   1.0000
   5.000   0.9264   0.01235   0.00551  -0.0525   0.2346   1.0000
   5.250   0.9546   0.01262   0.00573  -0.0527   0.2271   1.0000
   5.500   0.9825   0.01292   0.00599  -0.0528   0.2202   1.0000
   5.750   1.0107   0.01316   0.00621  -0.0529   0.2140   1.0000
   6.000   1.0381   0.01351   0.00649  -0.0529   0.2077   1.0000
   6.250   1.0660   0.01375   0.00675  -0.0530   0.2028   1.0000
   6.500   1.0937   0.01403   0.00700  -0.0531   0.1975   1.0000
   6.750   1.1204   0.01442   0.00733  -0.0530   0.1922   1.0000
   7.000   1.1479   0.01469   0.00762  -0.0531   0.1883   1.0000
   7.250   1.1752   0.01495   0.00789  -0.0531   0.1839   1.0000
   7.500   1.2016   0.01531   0.00821  -0.0530   0.1794   1.0000
   7.750   1.2276   0.01573   0.00861  -0.0528   0.1753   1.0000
   8.000   1.2546   0.01598   0.00890  -0.0528   0.1720   1.0000
   8.250   1.2809   0.01630   0.00923  -0.0527   0.1682   1.0000
   8.500   1.3059   0.01674   0.00963  -0.0525   0.1642   1.0000
   8.750   1.3310   0.01716   0.01006  -0.0522   0.1607   1.0000
   9.000   1.3569   0.01745   0.01040  -0.0520   0.1578   1.0000
   9.250   1.3821   0.01781   0.01078  -0.0518   0.1545   1.0000
   9.500   1.4057   0.01829   0.01123  -0.0513   0.1509   1.0000
   9.750   1.4286   0.01882   0.01176  -0.0508   0.1477   1.0000
  10.000   1.4533   0.01914   0.01215  -0.0505   0.1451   1.0000
  10.250   1.4769   0.01953   0.01258  -0.0500   0.1421   1.0000
  10.500   1.4989   0.02002   0.01306  -0.0494   0.1391   1.0000
  10.750   1.5176   0.02076   0.01378  -0.0482   0.1357   1.0000
  11.000   1.5404   0.02111   0.01422  -0.0477   0.1337   1.0000
  11.250   1.5618   0.02155   0.01472  -0.0469   0.1311   1.0000
  11.500   1.5814   0.02206   0.01526  -0.0459   0.1285   1.0000
  11.750   1.5979   0.02275   0.01594  -0.0445   0.1259   1.0000
  12.000   1.6115   0.02359   0.01681  -0.0427   0.1234   1.0000
  12.250   1.6281   0.02413   0.01744  -0.0412   0.1215   1.0000
  12.500   1.6405   0.02481   0.01819  -0.0392   0.1195   1.0000
  12.750   1.6518   0.02562   0.01906  -0.0372   0.1174   1.0000
  13.000   1.6613   0.02664   0.02011  -0.0352   0.1154   1.0000
  13.250   1.6669   0.02805   0.02152  -0.0331   0.1132   1.0000
  13.500   1.6779   0.02918   0.02274  -0.0318   0.1116   1.0000
  13.750   1.6900   0.03027   0.02394  -0.0307   0.1098   1.0000
  14.000   1.7009   0.03152   0.02528  -0.0298   0.1080   1.0000
  14.250   1.7098   0.03299   0.02680  -0.0288   0.1062   1.0000
  14.500   1.7161   0.03476   0.02861  -0.0279   0.1045   1.0000
  14.750   1.7179   0.03700   0.03087  -0.0269   0.1026   1.0000
  15.000   1.7259   0.03875   0.03274  -0.0264   0.1012   1.0000
  15.250   1.7336   0.04060   0.03470  -0.0261   0.0997   1.0000
  15.500   1.7396   0.04266   0.03685  -0.0258   0.0982   1.0000
  15.750   1.7439   0.04494   0.03921  -0.0256   0.0967   1.0000
  16.000   1.7454   0.04754   0.04186  -0.0255   0.0952   1.0000
  16.250   1.7434   0.05052   0.04488  -0.0254   0.0937   1.0000
  16.500   1.7412   0.05354   0.04797  -0.0252   0.0923   1.0000
  16.750   1.7426   0.05635   0.05092  -0.0255   0.0912   1.0000
  17.000   1.7423   0.05938   0.05407  -0.0259   0.0900   1.0000
  17.250   1.7409   0.06264   0.05743  -0.0264   0.0887   1.0000
  17.500   1.7382   0.06612   0.06101  -0.0271   0.0874   1.0000
  17.750   1.7337   0.06988   0.06483  -0.0280   0.0862   1.0000
  18.000   1.7273   0.07385   0.06885  -0.0288   0.0850   1.0000
  18.250   1.7209   0.07769   0.07272  -0.0294   0.0836   1.0000
  18.500   1.7152   0.08191   0.07710  -0.0307   0.0828   1.0000
  18.750   1.7086   0.08628   0.08160  -0.0321   0.0817   1.0000
  19.000   1.7012   0.09077   0.08620  -0.0336   0.0806   1.0000
  19.250   1.6934   0.09535   0.09089  -0.0353   0.0795   1.0000
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