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NACA 23021 (naca23021-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 23021 (naca23021-il)
Reynolds number: 1,000,000
Max Cl/Cd: 55.84 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca23021-il-1000000-n5.txt
Download as CSV file: xf-naca23021-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 23021                                      
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.2824   0.07044   0.06544  -0.0492   1.0000   0.0343
 -19.500  -1.2859   0.06693   0.06187  -0.0501   1.0000   0.0347
 -19.250  -1.2892   0.06350   0.05838  -0.0510   1.0000   0.0350
 -19.000  -1.2916   0.06022   0.05503  -0.0517   1.0000   0.0353
 -18.750  -1.2929   0.05709   0.05185  -0.0523   1.0000   0.0357
 -18.500  -1.2924   0.05422   0.04892  -0.0528   1.0000   0.0361
 -18.250  -1.2905   0.05155   0.04620  -0.0532   1.0000   0.0365
 -18.000  -1.2878   0.04899   0.04358  -0.0535   1.0000   0.0369
 -17.750  -1.2845   0.04655   0.04108  -0.0537   1.0000   0.0374
 -17.500  -1.2795   0.04431   0.03879  -0.0538   1.0000   0.0378
 -17.250  -1.2734   0.04222   0.03664  -0.0539   1.0000   0.0381
 -17.000  -1.2668   0.04022   0.03458  -0.0538   1.0000   0.0384
 -16.750  -1.2624   0.03806   0.03238  -0.0536   1.0000   0.0389
 -16.500  -1.2564   0.03611   0.03039  -0.0534   1.0000   0.0394
 -16.250  -1.2488   0.03435   0.02859  -0.0530   1.0000   0.0399
 -15.750  -1.2310   0.03122   0.02538  -0.0521   1.0000   0.0410
 -15.500  -1.2207   0.02983   0.02396  -0.0515   1.0000   0.0415
 -15.250  -1.2094   0.02857   0.02266  -0.0508   1.0000   0.0420
 -15.000  -1.1976   0.02739   0.02144  -0.0500   1.0000   0.0425
 -14.750  -1.1861   0.02624   0.02026  -0.0491   1.0000   0.0430
 -14.500  -1.1755   0.02509   0.01909  -0.0481   1.0000   0.0437
 -14.250  -1.1640   0.02406   0.01803  -0.0469   1.0000   0.0444
 -14.000  -1.1522   0.02312   0.01708  -0.0456   1.0000   0.0450
 -13.750  -1.1400   0.02230   0.01623  -0.0442   1.0000   0.0457
 -13.500  -1.1285   0.02155   0.01546  -0.0425   1.0000   0.0463
 -13.250  -1.1188   0.02088   0.01476  -0.0403   1.0000   0.0469
 -13.000  -1.1018   0.02025   0.01410  -0.0393   0.9985   0.0475
 -12.750  -1.0791   0.01945   0.01330  -0.0396   0.9952   0.0486
 -12.500  -1.0543   0.01876   0.01260  -0.0401   0.9921   0.0497
 -12.250  -1.0318   0.01814   0.01197  -0.0400   0.9866   0.0507
 -12.000  -1.0076   0.01758   0.01140  -0.0401   0.9806   0.0517
 -11.750  -0.9839   0.01708   0.01088  -0.0399   0.9737   0.0525
 -11.500  -0.9633   0.01652   0.01031  -0.0392   0.9644   0.0539
 -11.250  -0.9441   0.01603   0.00981  -0.0380   0.9538   0.0553
 -11.000  -0.9252   0.01560   0.00934  -0.0366   0.9425   0.0568
 -10.750  -0.9067   0.01520   0.00892  -0.0351   0.9297   0.0583
 -10.500  -0.8888   0.01479   0.00848  -0.0335   0.9169   0.0604
 -10.250  -0.8702   0.01443   0.00808  -0.0319   0.9031   0.0626
 -10.000  -0.8518   0.01408   0.00768  -0.0302   0.8861   0.0656
  -9.500  -0.8142   0.01336   0.00693  -0.0270   0.8517   0.0770
  -9.250  -0.7950   0.01303   0.00660  -0.0255   0.8367   0.0851
  -9.000  -0.7752   0.01280   0.00633  -0.0239   0.8208   0.0916
  -8.750  -0.7559   0.01256   0.00608  -0.0222   0.8056   0.0971
  -8.500  -0.7340   0.01238   0.00585  -0.0210   0.7912   0.1013
  -8.250  -0.7118   0.01217   0.00560  -0.0199   0.7753   0.1063
  -8.000  -0.6883   0.01198   0.00539  -0.0190   0.7606   0.1109
  -7.750  -0.6653   0.01177   0.00516  -0.0180   0.7480   0.1165
  -7.500  -0.6415   0.01159   0.00495  -0.0171   0.7342   0.1219
  -7.250  -0.6179   0.01138   0.00474  -0.0163   0.7214   0.1290
  -7.000  -0.5949   0.01116   0.00451  -0.0153   0.7081   0.1391
  -6.500  -0.5502   0.01056   0.00404  -0.0131   0.6857   0.1759
  -6.250  -0.5274   0.01026   0.00382  -0.0122   0.6746   0.1978
  -5.750  -0.4801   0.00978   0.00347  -0.0104   0.6515   0.2381
  -5.250  -0.4295   0.00951   0.00323  -0.0092   0.6252   0.2655
  -5.000  -0.4037   0.00944   0.00313  -0.0086   0.6079   0.2768
  -4.750  -0.3784   0.00936   0.00303  -0.0080   0.5907   0.2883
  -4.500  -0.3517   0.00931   0.00296  -0.0076   0.5756   0.2974
  -4.250  -0.3256   0.00922   0.00287  -0.0071   0.5623   0.3074
  -4.000  -0.2990   0.00919   0.00280  -0.0067   0.5485   0.3167
  -3.750  -0.2731   0.00909   0.00273  -0.0062   0.5348   0.3296
  -3.500  -0.2467   0.00905   0.00266  -0.0058   0.5207   0.3406
  -3.250  -0.2205   0.00900   0.00261  -0.0053   0.5071   0.3521
  -3.000  -0.1935   0.00896   0.00256  -0.0050   0.4943   0.3608
  -2.750  -0.1671   0.00894   0.00252  -0.0046   0.4809   0.3716
  -2.500  -0.1405   0.00890   0.00249  -0.0042   0.4684   0.3840
  -2.250  -0.1137   0.00887   0.00246  -0.0039   0.4579   0.3975
  -2.000  -0.0874   0.00883   0.00243  -0.0034   0.4459   0.4114
  -1.750  -0.0605   0.00881   0.00242  -0.0031   0.4355   0.4237
  -1.500  -0.0337   0.00882   0.00242  -0.0028   0.4234   0.4369
  -1.250  -0.0072   0.00880   0.00241  -0.0024   0.4115   0.4504
  -1.000   0.0193   0.00884   0.00242  -0.0020   0.3979   0.4631
  -0.750   0.0463   0.00884   0.00243  -0.0017   0.3866   0.4767
  -0.500   0.0730   0.00887   0.00245  -0.0014   0.3755   0.4875
  -0.250   0.1001   0.00890   0.00247  -0.0011   0.3640   0.4980
   0.000   0.1272   0.00896   0.00250  -0.0008   0.3515   0.5062
   0.250   0.1534   0.00904   0.00254  -0.0004   0.3368   0.5161
   0.500   0.1802   0.00913   0.00258  -0.0001   0.3220   0.5252
   0.750   0.2065   0.00919   0.00263   0.0003   0.3082   0.5353
   1.000   0.2332   0.00929   0.00269   0.0006   0.2966   0.5442
   1.250   0.2595   0.00939   0.00276   0.0009   0.2841   0.5526
   1.500   0.2860   0.00947   0.00283   0.0013   0.2736   0.5627
   1.750   0.3122   0.00958   0.00291   0.0016   0.2636   0.5726
   2.000   0.3386   0.00965   0.00299   0.0020   0.2544   0.5844
   2.250   0.3647   0.00978   0.00308   0.0023   0.2444   0.5941
   2.500   0.3906   0.00988   0.00318   0.0028   0.2342   0.6050
   2.750   0.4165   0.01002   0.00328   0.0031   0.2231   0.6148
   3.000   0.4417   0.01015   0.00340   0.0037   0.2121   0.6261
   3.500   0.4921   0.01043   0.00366   0.0047   0.1912   0.6520
   3.750   0.5167   0.01061   0.00381   0.0053   0.1793   0.6643
   4.000   0.5406   0.01081   0.00398   0.0060   0.1666   0.6775
   4.250   0.5638   0.01103   0.00417   0.0068   0.1527   0.6928
   4.500   0.5854   0.01129   0.00441   0.0079   0.1365   0.7133
   4.750   0.6058   0.01162   0.00470   0.0091   0.1168   0.7342
   5.000   0.6166   0.01248   0.00533   0.0119   0.0642   0.7529
   5.250   0.6386   0.01272   0.00561   0.0129   0.0595   0.7697
   5.500   0.6614   0.01292   0.00585   0.0138   0.0574   0.7839
   6.000   0.7033   0.01332   0.00633   0.0162   0.0548   0.8127
   6.250   0.7236   0.01355   0.00661   0.0175   0.0537   0.8271
   6.500   0.7452   0.01380   0.00689   0.0185   0.0529   0.8411
   6.750   0.7668   0.01403   0.00718   0.0195   0.0524   0.8543
   7.000   0.7883   0.01430   0.00749   0.0205   0.0519   0.8666
   7.250   0.8093   0.01458   0.00781   0.0215   0.0513   0.8806
   7.500   0.8297   0.01488   0.00816   0.0226   0.0508   0.8932
   7.750   0.8499   0.01522   0.00853   0.0237   0.0504   0.9056
   8.000   0.8689   0.01557   0.00893   0.0250   0.0499   0.9178
   8.250   0.8878   0.01596   0.00936   0.0263   0.0495   0.9303
   8.500   0.9060   0.01639   0.00981   0.0276   0.0491   0.9435
   8.750   0.9246   0.01686   0.01032   0.0287   0.0487   0.9550
   9.000   0.9440   0.01739   0.01087   0.0295   0.0483   0.9653
   9.250   0.9649   0.01794   0.01144   0.0299   0.0479   0.9750
   9.500   0.9892   0.01848   0.01199   0.0296   0.0478   0.9817
   9.750   1.0129   0.01906   0.01259   0.0293   0.0476   0.9884
  10.000   1.0375   0.01967   0.01322   0.0288   0.0474   0.9932
  10.250   1.0634   0.02035   0.01393   0.0278   0.0471   0.9968
  10.500   1.0885   0.02108   0.01467   0.0269   0.0469   1.0000
  10.750   1.0968   0.02174   0.01536   0.0292   0.0467   1.0000
  11.000   1.1076   0.02248   0.01612   0.0309   0.0465   1.0000
  11.250   1.1196   0.02329   0.01696   0.0322   0.0464   1.0000
  11.500   1.1317   0.02420   0.01789   0.0333   0.0462   1.0000
  11.750   1.1441   0.02517   0.01889   0.0342   0.0460   1.0000
  12.000   1.1561   0.02622   0.01997   0.0350   0.0458   1.0000
  12.250   1.1674   0.02738   0.02116   0.0357   0.0457   1.0000
  12.500   1.1784   0.02862   0.02244   0.0363   0.0455   1.0000
  12.750   1.1889   0.02995   0.02382   0.0368   0.0453   1.0000
  13.000   1.1984   0.03141   0.02531   0.0373   0.0452   1.0000
  13.250   1.2069   0.03301   0.02695   0.0376   0.0451   1.0000
  13.500   1.2148   0.03472   0.02871   0.0379   0.0449   1.0000
  13.750   1.2219   0.03655   0.03059   0.0381   0.0448   1.0000
  14.000   1.2280   0.03854   0.03263   0.0381   0.0447   1.0000
  14.250   1.2327   0.04071   0.03485   0.0381   0.0445   1.0000
  14.500   1.2363   0.04306   0.03726   0.0380   0.0444   1.0000
  14.750   1.2386   0.04560   0.03986   0.0377   0.0443   1.0000
  15.000   1.2398   0.04833   0.04265   0.0374   0.0442   1.0000
  15.250   1.2397   0.05123   0.04562   0.0369   0.0441   1.0000
  15.500   1.2381   0.05437   0.04883   0.0364   0.0440   1.0000
  15.750   1.2353   0.05772   0.05225   0.0357   0.0439   1.0000
  16.000   1.2312   0.06127   0.05588   0.0349   0.0438   1.0000
  16.250   1.2260   0.06498   0.05967   0.0340   0.0438   1.0000
  16.500   1.2200   0.06887   0.06363   0.0330   0.0437   1.0000
  16.750   1.2126   0.07298   0.06781   0.0319   0.0436   1.0000
  17.000   1.2041   0.07724   0.07216   0.0307   0.0435   1.0000
  17.250   1.1957   0.08155   0.07655   0.0294   0.0434   1.0000
  17.500   1.1877   0.08585   0.08092   0.0281   0.0433   1.0000
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