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ARA-D 20% AIRFOIL (arad20-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: ARA-D 20% AIRFOIL (arad20-il)
Reynolds number: 500,000
Max Cl/Cd: 79.9 at α=8.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-arad20-il-500000.txt
Download as CSV file: xf-arad20-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: ARA-D 20% 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
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -1.0237   0.11684   0.11297  -0.0051   1.0000   0.0233
 -18.500  -1.0463   0.10846   0.10441  -0.0102   1.0000   0.0234
 -18.250  -1.0653   0.10098   0.09677  -0.0146   1.0000   0.0235
 -18.000  -1.0810   0.09422   0.08986  -0.0185   1.0000   0.0235
 -17.750  -1.0951   0.08792   0.08342  -0.0221   1.0000   0.0236
 -17.500  -1.1075   0.08205   0.07740  -0.0253   1.0000   0.0237
 -17.250  -1.1183   0.07654   0.07175  -0.0282   1.0000   0.0238
 -17.000  -1.1276   0.07146   0.06654  -0.0308   1.0000   0.0240
 -16.750  -1.1358   0.06670   0.06164  -0.0331   1.0000   0.0241
 -16.500  -1.1418   0.06231   0.05710  -0.0352   1.0000   0.0242
 -16.250  -1.1472   0.05828   0.05298  -0.0366   1.0000   0.0243
 -16.000  -1.1512   0.05456   0.04920  -0.0378   1.0000   0.0245
 -15.750  -1.1526   0.05113   0.04571  -0.0388   1.0000   0.0248
 -15.500  -1.1522   0.04800   0.04252  -0.0398   1.0000   0.0250
 -15.250  -1.1503   0.04511   0.03956  -0.0405   1.0000   0.0252
 -15.000  -1.1471   0.04244   0.03683  -0.0410   1.0000   0.0254
 -14.750  -1.1430   0.03999   0.03431  -0.0412   1.0000   0.0257
 -14.500  -1.1381   0.03774   0.03198  -0.0412   1.0000   0.0260
 -14.250  -1.1324   0.03569   0.02984  -0.0409   1.0000   0.0263
 -14.000  -1.1264   0.03381   0.02788  -0.0402   1.0000   0.0267
 -13.750  -1.1200   0.03212   0.02609  -0.0391   1.0000   0.0271
 -13.500  -1.1135   0.03065   0.02451  -0.0376   1.0000   0.0274
 -13.250  -1.1112   0.02918   0.02296  -0.0351   1.0000   0.0278
 -13.000  -1.1044   0.02785   0.02163  -0.0329   1.0000   0.0282
 -12.750  -1.0901   0.02686   0.02062  -0.0315   1.0000   0.0287
 -12.500  -1.0727   0.02602   0.01976  -0.0304   1.0000   0.0293
 -12.250  -1.0534   0.02524   0.01894  -0.0294   1.0000   0.0300
 -12.000  -1.0323   0.02453   0.01816  -0.0286   1.0000   0.0309
 -11.750  -1.0125   0.02363   0.01723  -0.0277   1.0000   0.0317
 -11.500  -0.9906   0.02288   0.01650  -0.0271   1.0000   0.0325
 -11.250  -0.9667   0.02227   0.01588  -0.0266   1.0000   0.0336
 -11.000  -0.9419   0.02169   0.01526  -0.0262   1.0000   0.0347
 -10.750  -0.9185   0.02090   0.01448  -0.0257   1.0000   0.0358
 -10.500  -0.8931   0.02032   0.01392  -0.0254   1.0000   0.0371
 -10.250  -0.8630   0.02003   0.01345  -0.0256   0.8838   0.0386
 -10.000  -0.8448   0.01983   0.01283  -0.0234   0.7638   0.0399
  -9.750  -0.8202   0.01963   0.01231  -0.0228   0.6824   0.0415
  -9.500  -0.7932   0.01941   0.01185  -0.0226   0.6376   0.0433
  -9.250  -0.7668   0.01895   0.01129  -0.0224   0.6106   0.0451
  -9.000  -0.7387   0.01866   0.01089  -0.0224   0.5917   0.0472
  -8.750  -0.7109   0.01826   0.01042  -0.0224   0.5774   0.0495
  -8.500  -0.6824   0.01797   0.01006  -0.0225   0.5655   0.0519
  -8.250  -0.6538   0.01761   0.00965  -0.0226   0.5560   0.0545
  -8.000  -0.6248   0.01731   0.00932  -0.0227   0.5472   0.0573
  -7.750  -0.5960   0.01700   0.00894  -0.0228   0.5385   0.0603
  -7.500  -0.5664   0.01671   0.00864  -0.0230   0.5323   0.0636
  -7.250  -0.5371   0.01638   0.00831  -0.0232   0.5257   0.0673
  -7.000  -0.5074   0.01615   0.00802  -0.0234   0.5191   0.0717
  -6.750  -0.4776   0.01591   0.00777  -0.0237   0.5129   0.0768
  -6.500  -0.4477   0.01560   0.00750  -0.0240   0.5080   0.0828
  -6.250  -0.4176   0.01532   0.00724  -0.0243   0.5027   0.0900
  -6.000  -0.3875   0.01507   0.00699  -0.0246   0.4972   0.0987
  -5.750  -0.3574   0.01488   0.00679  -0.0249   0.4914   0.1090
  -5.500  -0.3268   0.01460   0.00658  -0.0253   0.4875   0.1211
  -5.250  -0.2964   0.01432   0.00636  -0.0257   0.4828   0.1357
  -5.000  -0.2659   0.01407   0.00617  -0.0262   0.4779   0.1530
  -4.750  -0.2354   0.01388   0.00601  -0.0266   0.4730   0.1728
  -4.500  -0.2048   0.01366   0.00588  -0.0271   0.4685   0.1963
  -4.250  -0.1739   0.01340   0.00573  -0.0275   0.4645   0.2224
  -4.000  -0.1431   0.01314   0.00559  -0.0281   0.4600   0.2522
  -3.750  -0.1122   0.01292   0.00547  -0.0286   0.4556   0.2838
  -3.500  -0.0815   0.01277   0.00538  -0.0291   0.4509   0.3170
  -3.250  -0.0505   0.01260   0.00533  -0.0296   0.4466   0.3520
  -3.000  -0.0194   0.01239   0.00525  -0.0301   0.4426   0.3866
  -2.750   0.0117   0.01223   0.00519  -0.0306   0.4383   0.4216
  -2.500   0.0427   0.01208   0.00514  -0.0311   0.4338   0.4585
  -2.250   0.0736   0.01202   0.00514  -0.0316   0.4288   0.4932
  -2.000   0.1047   0.01193   0.00514  -0.0321   0.4251   0.5246
  -1.750   0.1360   0.01184   0.00513  -0.0326   0.4209   0.5534
  -1.500   0.1671   0.01176   0.00512  -0.0330   0.4163   0.5805
  -1.250   0.1980   0.01173   0.00512  -0.0334   0.4118   0.6061
  -1.000   0.2287   0.01178   0.00519  -0.0338   0.4070   0.6303
  -0.750   0.2598   0.01172   0.00521  -0.0342   0.4032   0.6541
  -0.500   0.2908   0.01168   0.00523  -0.0346   0.3986   0.6769
  -0.250   0.3215   0.01169   0.00525  -0.0349   0.3940   0.6975
   0.000   0.3521   0.01178   0.00531  -0.0352   0.3892   0.7172
   0.250   0.3828   0.01179   0.00538  -0.0356   0.3852   0.7365
   0.500   0.4133   0.01178   0.00543  -0.0358   0.3805   0.7544
   0.750   0.4436   0.01180   0.00547  -0.0361   0.3757   0.7712
   1.000   0.4738   0.01191   0.00553  -0.0364   0.3708   0.7878
   1.250   0.5040   0.01196   0.00562  -0.0366   0.3667   0.8042
   1.500   0.5338   0.01197   0.00569  -0.0367   0.3620   0.8192
   1.750   0.5636   0.01203   0.00574  -0.0369   0.3570   0.8343
   2.000   0.5928   0.01217   0.00584  -0.0370   0.3520   0.8494
   2.250   0.6217   0.01220   0.00593  -0.0370   0.3480   0.8635
   2.500   0.6506   0.01225   0.00600  -0.0369   0.3432   0.8779
   2.750   0.6792   0.01234   0.00607  -0.0369   0.3384   0.8928
   3.000   0.7057   0.01247   0.00617  -0.0364   0.3334   0.9071
   3.250   0.7325   0.01248   0.00624  -0.0359   0.3295   0.9220
   3.500   0.7582   0.01250   0.00627  -0.0351   0.3251   0.9383
   3.750   0.7833   0.01253   0.00627  -0.0343   0.3205   0.9570
   4.000   0.8121   0.01260   0.00630  -0.0344   0.3158   0.9784
   4.250   0.8469   0.01257   0.00629  -0.0359   0.3114   1.0000
   4.500   0.8789   0.01275   0.00643  -0.0370   0.3069   1.0000
   4.750   0.9102   0.01301   0.00660  -0.0379   0.3022   1.0000
   5.000   0.9414   0.01323   0.00680  -0.0388   0.2979   1.0000
   5.250   0.9727   0.01339   0.00697  -0.0396   0.2937   1.0000
   5.500   1.0033   0.01362   0.00715  -0.0403   0.2894   1.0000
   5.750   1.0331   0.01392   0.00738  -0.0410   0.2850   1.0000
   6.000   1.0634   0.01414   0.00760  -0.0416   0.2813   1.0000
   6.250   1.0936   0.01433   0.00781  -0.0423   0.2773   1.0000
   6.500   1.1232   0.01458   0.00802  -0.0428   0.2733   1.0000
   6.750   1.1519   0.01493   0.00830  -0.0433   0.2693   1.0000
   7.000   1.1812   0.01518   0.00857  -0.0438   0.2659   1.0000
   7.250   1.2106   0.01540   0.00881  -0.0443   0.2623   1.0000
   7.500   1.2393   0.01567   0.00906  -0.0447   0.2585   1.0000
   7.750   1.2671   0.01603   0.00937  -0.0451   0.2549   1.0000
   8.000   1.2948   0.01639   0.00972  -0.0454   0.2515   1.0000
   8.250   1.3233   0.01662   0.01000  -0.0458   0.2484   1.0000
   8.500   1.3511   0.01691   0.01030  -0.0461   0.2450   1.0000
   8.750   1.3780   0.01727   0.01063  -0.0463   0.2417   1.0000
   9.000   1.4032   0.01778   0.01109  -0.0463   0.2380   1.0000
   9.250   1.4305   0.01805   0.01142  -0.0465   0.2355   1.0000
   9.500   1.4572   0.01835   0.01176  -0.0467   0.2325   1.0000
   9.750   1.4829   0.01872   0.01214  -0.0467   0.2294   1.0000
  10.000   1.5071   0.01917   0.01257  -0.0466   0.2264   1.0000
  10.250   1.5296   0.01975   0.01312  -0.0462   0.2232   1.0000
  10.500   1.5546   0.02008   0.01353  -0.0461   0.2208   1.0000
  10.750   1.5784   0.02047   0.01397  -0.0459   0.2181   1.0000
  11.000   1.6007   0.02094   0.01445  -0.0455   0.2154   1.0000
  11.250   1.6206   0.02152   0.01502  -0.0447   0.2126   1.0000
  11.500   1.6372   0.02228   0.01576  -0.0436   0.2096   1.0000
  11.750   1.6574   0.02276   0.01633  -0.0429   0.2076   1.0000
  12.000   1.6753   0.02333   0.01697  -0.0419   0.2052   1.0000
  12.250   1.6883   0.02403   0.01771  -0.0402   0.2029   1.0000
  12.500   1.6956   0.02498   0.01870  -0.0377   0.2006   1.0000
  12.750   1.7014   0.02621   0.01993  -0.0356   0.1983   1.0000
  13.000   1.7078   0.02759   0.02135  -0.0339   0.1960   1.0000
  13.250   1.7186   0.02881   0.02268  -0.0330   0.1942   1.0000
  13.500   1.7280   0.03026   0.02422  -0.0323   0.1921   1.0000
  13.750   1.7358   0.03197   0.02600  -0.0319   0.1898   1.0000
  14.000   1.7409   0.03403   0.02810  -0.0316   0.1876   1.0000
  14.250   1.7431   0.03647   0.03056  -0.0314   0.1854   1.0000
  14.500   1.7459   0.03892   0.03307  -0.0313   0.1833   1.0000
  14.750   1.7502   0.04145   0.03573  -0.0318   0.1815   1.0000
  15.000   1.7524   0.04422   0.03860  -0.0323   0.1794   1.0000
  15.250   1.7525   0.04721   0.04167  -0.0328   0.1772   1.0000
  15.500   1.7502   0.05043   0.04493  -0.0333   0.1751   1.0000
  15.750   1.7466   0.05363   0.04813  -0.0335   0.1730   1.0000
  16.000   1.7438   0.05673   0.05130  -0.0338   0.1710   1.0000
  16.250   1.7385   0.06036   0.05506  -0.0345   0.1692   1.0000
  16.500   1.7329   0.06402   0.05881  -0.0352   0.1672   1.0000
  16.750   1.7279   0.06762   0.06248  -0.0359   0.1651   1.0000
  17.000   1.7229   0.07122   0.06611  -0.0367   0.1631   1.0000
  17.250   1.7235   0.07397   0.06883  -0.0370   0.1608   1.0000
  17.500   1.7176   0.07783   0.07280  -0.0379   0.1590   1.0000
  17.750   1.7105   0.08195   0.07704  -0.0390   0.1571   1.0000
  18.000   1.7041   0.08598   0.08116  -0.0402   0.1551   1.0000
  18.250   1.6994   0.08980   0.08502  -0.0413   0.1531   1.0000
  18.500   1.6985   0.09300   0.08822  -0.0422   0.1510   1.0000
  18.750   1.7025   0.09538   0.09059  -0.0426   0.1489   1.0000
  19.000   1.6897   0.10051   0.09587  -0.0444   0.1471   1.0000
  19.250   1.6829   0.10474   0.10020  -0.0459   0.1451   1.0000
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