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NACA 23021 (naca23021-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NACA 23021 (naca23021-il)
Reynolds number: 50,000
Max Cl/Cd: 24.8 at α=5.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca23021-il-50000-n5.txt
Download as CSV file: xf-naca23021-il-50000-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 =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.7483   0.09471   0.08494  -0.0521   1.0000   0.1191
 -15.500  -0.7589   0.08966   0.07983  -0.0538   1.0000   0.1213
 -15.250  -0.7566   0.08672   0.07687  -0.0543   1.0000   0.1239
 -15.000  -0.7807   0.08007   0.07001  -0.0567   1.0000   0.1265
 -14.750  -0.8059   0.07371   0.06337  -0.0587   1.0000   0.1291
 -14.500  -0.8101   0.07021   0.05976  -0.0591   1.0000   0.1319
 -14.250  -0.8003   0.06853   0.05814  -0.0586   1.0000   0.1354
 -14.000  -0.8044   0.06524   0.05472  -0.0587   1.0000   0.1393
 -13.750  -0.8081   0.06209   0.05143  -0.0586   1.0000   0.1433
 -13.500  -0.7974   0.06066   0.05011  -0.0578   1.0000   0.1478
 -13.250  -0.7989   0.05794   0.04726  -0.0574   1.0000   0.1528
 -13.000  -0.7929   0.05613   0.04551  -0.0566   1.0000   0.1579
 -12.750  -0.7904   0.05409   0.04346  -0.0557   1.0000   0.1639
 -12.500  -0.7881   0.05210   0.04148  -0.0546   1.0000   0.1702
 -12.250  -0.7851   0.05034   0.03975  -0.0534   1.0000   0.1771
 -12.000  -0.7837   0.04852   0.03796  -0.0519   1.0000   0.1843
 -11.750  -0.7831   0.04683   0.03630  -0.0502   1.0000   0.1925
 -11.500  -0.7823   0.04532   0.03486  -0.0482   1.0000   0.2007
 -11.250  -0.7851   0.04369   0.03320  -0.0459   1.0000   0.2101
 -11.000  -0.7853   0.04252   0.03219  -0.0432   1.0000   0.2189
 -10.750  -0.7902   0.04118   0.03086  -0.0399   1.0000   0.2290
 -10.500  -0.7949   0.04016   0.02992  -0.0363   1.0000   0.2389
 -10.250  -0.8015   0.03920   0.02904  -0.0322   1.0000   0.2489
 -10.000  -0.8130   0.03826   0.02808  -0.0272   1.0000   0.2596
  -9.750  -0.8225   0.03767   0.02761  -0.0219   1.0000   0.2692
  -9.500  -0.8386   0.03694   0.02685  -0.0157   1.0000   0.2797
  -9.250  -0.8460   0.03645   0.02646  -0.0105   1.0000   0.2909
  -9.000  -0.8534   0.03591   0.02596  -0.0054   1.0000   0.3029
  -8.750  -0.8617   0.03530   0.02531  -0.0001   1.0000   0.3160
  -8.500  -0.8616   0.03500   0.02513   0.0041   1.0000   0.3287
  -8.250  -0.8628   0.03458   0.02474   0.0084   1.0000   0.3418
  -8.000  -0.8637   0.03414   0.02426   0.0126   1.0000   0.3554
  -7.750  -0.8500   0.03395   0.02416   0.0146   0.9978   0.3690
  -7.500  -0.8153   0.03370   0.02389   0.0127   0.9893   0.3861
  -7.250  -0.7816   0.03341   0.02355   0.0110   0.9799   0.4024
  -7.000  -0.7510   0.03303   0.02307   0.0097   0.9698   0.4184
  -6.750  -0.7108   0.03299   0.02306   0.0074   0.9616   0.4335
  -6.500  -0.6799   0.03284   0.02293   0.0066   0.9504   0.4478
  -6.250  -0.6472   0.03267   0.02273   0.0055   0.9403   0.4646
  -6.000  -0.6162   0.03245   0.02246   0.0047   0.9295   0.4823
  -5.750  -0.5826   0.03250   0.02256   0.0040   0.9186   0.4973
  -5.500  -0.5430   0.03237   0.02244   0.0020   0.9093   0.5113
  -5.250  -0.5194   0.03190   0.02186   0.0023   0.8966   0.5253
  -5.000  -0.4719   0.03188   0.02189  -0.0006   0.8886   0.5366
  -4.750  -0.4471   0.03150   0.02145  -0.0002   0.8759   0.5496
  -4.500  -0.4037   0.03135   0.02132  -0.0025   0.8672   0.5614
  -4.250  -0.3784   0.03108   0.02102  -0.0019   0.8545   0.5738
  -4.000  -0.3393   0.03084   0.02077  -0.0034   0.8452   0.5864
  -3.750  -0.3126   0.03068   0.02060  -0.0029   0.8321   0.5981
  -3.500  -0.2770   0.03035   0.02023  -0.0038   0.8226   0.6118
  -3.250  -0.2485   0.03031   0.02022  -0.0034   0.8092   0.6226
  -3.000  -0.2160   0.02987   0.01970  -0.0038   0.7995   0.6373
  -2.750  -0.1850   0.02999   0.01987  -0.0037   0.7856   0.6472
  -2.500  -0.1514   0.02955   0.01936  -0.0041   0.7762   0.6617
  -2.250  -0.1220   0.02970   0.01955  -0.0037   0.7612   0.6717
  -2.000  -0.0913   0.02939   0.01918  -0.0036   0.7504   0.6856
  -1.750  -0.0588   0.02946   0.01927  -0.0035   0.7361   0.6962
  -1.500  -0.0330   0.02931   0.01908  -0.0027   0.7228   0.7094
  -1.250   0.0050   0.02927   0.01901  -0.0034   0.7101   0.7205
  -1.000   0.0281   0.02927   0.01899  -0.0021   0.6948   0.7332
  -0.750   0.0655   0.02921   0.01887  -0.0028   0.6823   0.7445
  -0.250   0.1203   0.02937   0.01898  -0.0014   0.6523   0.7692
   0.000   0.1569   0.02934   0.01886  -0.0020   0.6396   0.7803
   0.250   0.1786   0.02953   0.01905  -0.0007   0.6240   0.7941
   0.500   0.2150   0.02971   0.01919  -0.0015   0.6099   0.8040
   0.750   0.2385   0.02970   0.01910  -0.0003   0.5968   0.8189
   1.000   0.2767   0.03005   0.01944  -0.0017   0.5812   0.8272
   1.250   0.3011   0.03003   0.01933  -0.0007   0.5693   0.8418
   1.500   0.3414   0.03033   0.01961  -0.0025   0.5537   0.8495
   1.750   0.3620   0.03049   0.01974  -0.0013   0.5407   0.8640
   2.000   0.4082   0.03063   0.01975  -0.0041   0.5274   0.8708
   2.250   0.4271   0.03089   0.02005  -0.0028   0.5135   0.8852
   2.500   0.4724   0.03115   0.02024  -0.0059   0.4995   0.8918
   2.750   0.5031   0.03130   0.02032  -0.0065   0.4871   0.9037
   3.000   0.5392   0.03164   0.02067  -0.0084   0.4733   0.9124
   3.250   0.5739   0.03175   0.02062  -0.0096   0.4627   0.9232
   3.500   0.6074   0.03218   0.02113  -0.0114   0.4489   0.9326
   3.750   0.6387   0.03241   0.02126  -0.0123   0.4387   0.9438
   4.000   0.6762   0.03280   0.02170  -0.0147   0.4262   0.9522
   4.250   0.7092   0.03312   0.02196  -0.0162   0.4162   0.9626
   4.500   0.7458   0.03352   0.02240  -0.0186   0.4049   0.9713
   4.750   0.7825   0.03387   0.02271  -0.0209   0.3956   0.9803
   5.000   0.8169   0.03439   0.02330  -0.0232   0.3851   0.9895
   5.250   0.8565   0.03466   0.02349  -0.0260   0.3762   0.9972
   5.500   0.8696   0.03529   0.02424  -0.0246   0.3673   1.0000
   5.750   0.8813   0.03553   0.02440  -0.0223   0.3605   1.0000
   6.000   0.8861   0.03608   0.02499  -0.0192   0.3534   1.0000
   6.250   0.8885   0.03666   0.02562  -0.0157   0.3460   1.0000
   6.500   0.9011   0.03683   0.02566  -0.0133   0.3394   1.0000
   6.750   0.8982   0.03761   0.02654  -0.0091   0.3326   1.0000
   7.000   0.8982   0.03820   0.02716  -0.0052   0.3257   1.0000
   7.250   0.9123   0.03829   0.02709  -0.0030   0.3193   1.0000
   7.500   0.9008   0.03934   0.02828   0.0024   0.3131   1.0000
   7.750   0.8975   0.04005   0.02902   0.0067   0.3069   1.0000
   8.000   0.9112   0.04018   0.02901   0.0089   0.3010   1.0000
   8.250   0.8959   0.04135   0.03028   0.0146   0.2956   1.0000
   8.500   0.8815   0.04241   0.03140   0.0200   0.2904   1.0000
   8.750   0.8866   0.04288   0.03181   0.0231   0.2848   1.0000
   9.000   0.8856   0.04375   0.03267   0.0265   0.2796   1.0000
   9.250   0.8646   0.04576   0.03481   0.0312   0.2741   1.0000
   9.500   0.8669   0.04670   0.03573   0.0337   0.2679   1.0000
   9.750   0.8727   0.04759   0.03658   0.0357   0.2620   1.0000
  10.000   0.8456   0.05097   0.04014   0.0387   0.2561   1.0000
  10.250   0.8542   0.05175   0.04089   0.0401   0.2494   1.0000
  10.500   0.8396   0.05472   0.04394   0.0416   0.2429   1.0000
  10.750   0.8164   0.05890   0.04826   0.0424   0.2358   1.0000
  11.000   0.8368   0.05869   0.04793   0.0434   0.2292   1.0000
  11.250   0.7746   0.06825   0.05781   0.0421   0.2210   1.0000
  11.500   0.8065   0.06658   0.05603   0.0434   0.2154   1.0000
  11.750   0.7279   0.07998   0.06974   0.0395   0.2047   1.0000
  12.000   0.7673   0.07691   0.06657   0.0414   0.2003   1.0000
  12.250   0.7085   0.08863   0.07848   0.0375   0.1884   1.0000
  12.750   0.7105   0.09413   0.08401   0.0365   0.1731   1.0000
  13.000   0.6838   0.10172   0.09165   0.0339   0.1618   1.0000
  13.500   0.6901   0.10707   0.09697   0.0326   0.1484   1.0000
  14.000   0.6803   0.11584   0.10571   0.0298   0.1363   1.0000
  14.250   0.6396   0.12799   0.11790   0.0249   0.1279   1.0000
  14.500   0.6553   0.12863   0.11851   0.0250   0.1263   1.0000
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