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NACA 23021 (naca23021-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 23021 (naca23021-il)
Reynolds number: 500,000
Max Cl/Cd: 50.55 at α=6°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca23021-il-500000-n5.txt
Download as CSV file: xf-naca23021-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1335   0.08855   0.08311  -0.0445   1.0000   0.0408
 -19.500  -1.1343   0.08519   0.07967  -0.0456   1.0000   0.0413
 -19.250  -1.1353   0.08177   0.07618  -0.0467   1.0000   0.0417
 -19.000  -1.1348   0.07859   0.07293  -0.0477   1.0000   0.0421
 -18.750  -1.1345   0.07541   0.06967  -0.0486   1.0000   0.0426
 -18.500  -1.1353   0.07215   0.06634  -0.0496   1.0000   0.0430
 -18.250  -1.1377   0.06873   0.06288  -0.0505   1.0000   0.0434
 -18.000  -1.1392   0.06544   0.05953  -0.0513   1.0000   0.0439
 -17.750  -1.1395   0.06233   0.05637  -0.0521   1.0000   0.0443
 -17.500  -1.1386   0.05943   0.05342  -0.0526   1.0000   0.0448
 -17.250  -1.1370   0.05664   0.05056  -0.0532   1.0000   0.0453
 -17.000  -1.1348   0.05394   0.04779  -0.0536   1.0000   0.0458
 -16.750  -1.1313   0.05144   0.04522  -0.0539   1.0000   0.0464
 -16.500  -1.1270   0.04907   0.04279  -0.0541   1.0000   0.0469
 -16.250  -1.1217   0.04684   0.04048  -0.0543   1.0000   0.0475
 -16.000  -1.1206   0.04423   0.03783  -0.0544   1.0000   0.0480
 -15.750  -1.1177   0.04187   0.03543  -0.0544   1.0000   0.0486
 -15.500  -1.1132   0.03973   0.03324  -0.0542   1.0000   0.0492
 -15.250  -1.1075   0.03777   0.03123  -0.0539   1.0000   0.0498
 -15.000  -1.1008   0.03595   0.02936  -0.0535   1.0000   0.0505
 -14.750  -1.0930   0.03428   0.02764  -0.0530   1.0000   0.0512
 -14.500  -1.0844   0.03275   0.02606  -0.0524   1.0000   0.0519
 -14.250  -1.0753   0.03132   0.02458  -0.0517   1.0000   0.0527
 -14.000  -1.0690   0.02974   0.02297  -0.0508   1.0000   0.0535
 -13.750  -1.0612   0.02836   0.02157  -0.0497   1.0000   0.0543
 -13.500  -1.0527   0.02714   0.02031  -0.0484   1.0000   0.0552
 -13.250  -1.0436   0.02604   0.01918  -0.0470   1.0000   0.0561
 -13.000  -1.0346   0.02507   0.01818  -0.0453   1.0000   0.0570
 -12.750  -1.0263   0.02422   0.01729  -0.0432   1.0000   0.0580
 -12.500  -1.0228   0.02332   0.01639  -0.0404   1.0000   0.0590
 -12.250  -1.0206   0.02257   0.01563  -0.0371   1.0000   0.0602
 -12.000  -1.0059   0.02179   0.01483  -0.0360   0.9979   0.0618
 -11.500  -0.9552   0.02018   0.01321  -0.0376   0.9914   0.0664
 -11.250  -0.9318   0.01948   0.01251  -0.0377   0.9859   0.0693
 -11.000  -0.9075   0.01877   0.01183  -0.0380   0.9803   0.0734
 -10.750  -0.8834   0.01813   0.01121  -0.0381   0.9742   0.0789
 -10.500  -0.8606   0.01753   0.01064  -0.0379   0.9662   0.0855
 -10.250  -0.8366   0.01700   0.01013  -0.0376   0.9585   0.0921
 -10.000  -0.8152   0.01650   0.00963  -0.0369   0.9486   0.0980
  -9.750  -0.7944   0.01604   0.00918  -0.0358   0.9381   0.1030
  -9.500  -0.7737   0.01561   0.00873  -0.0346   0.9267   0.1084
  -9.250  -0.7555   0.01519   0.00830  -0.0329   0.9124   0.1138
  -9.000  -0.7363   0.01483   0.00791  -0.0313   0.8978   0.1194
  -8.750  -0.7181   0.01443   0.00750  -0.0295   0.8831   0.1258
  -8.500  -0.6998   0.01411   0.00716  -0.0277   0.8682   0.1326
  -8.250  -0.6822   0.01378   0.00683  -0.0258   0.8543   0.1417
  -8.000  -0.6640   0.01343   0.00649  -0.0239   0.8404   0.1544
  -7.750  -0.6451   0.01303   0.00615  -0.0223   0.8258   0.1716
  -7.500  -0.6252   0.01266   0.00583  -0.0208   0.8121   0.1910
  -7.250  -0.6045   0.01236   0.00555  -0.0194   0.7976   0.2094
  -7.000  -0.5828   0.01207   0.00530  -0.0182   0.7831   0.2276
  -6.750  -0.5608   0.01181   0.00508  -0.0171   0.7702   0.2460
  -6.500  -0.5378   0.01160   0.00489  -0.0160   0.7563   0.2626
  -6.250  -0.5138   0.01143   0.00472  -0.0152   0.7430   0.2765
  -6.000  -0.4900   0.01128   0.00455  -0.0143   0.7299   0.2886
  -5.750  -0.4643   0.01117   0.00442  -0.0137   0.7178   0.2984
  -5.500  -0.4401   0.01103   0.00427  -0.0128   0.7057   0.3090
  -5.250  -0.4147   0.01092   0.00414  -0.0122   0.6927   0.3193
  -5.000  -0.3899   0.01080   0.00401  -0.0115   0.6809   0.3300
  -4.750  -0.3643   0.01070   0.00390  -0.0109   0.6685   0.3399
  -4.500  -0.3395   0.01059   0.00379  -0.0101   0.6550   0.3524
  -4.250  -0.3151   0.01051   0.00368  -0.0093   0.6386   0.3645
  -4.000  -0.2895   0.01044   0.00359  -0.0087   0.6222   0.3756
  -3.750  -0.2645   0.01036   0.00350  -0.0080   0.6080   0.3872
  -3.250  -0.2136   0.01023   0.00337  -0.0068   0.5804   0.4129
  -3.000  -0.1883   0.01018   0.00331  -0.0061   0.5673   0.4255
  -2.750  -0.1623   0.01017   0.00326  -0.0056   0.5528   0.4381
  -2.500  -0.1368   0.01012   0.00322  -0.0050   0.5393   0.4503
  -2.250  -0.1111   0.01012   0.00319  -0.0044   0.5260   0.4630
  -2.000  -0.0854   0.01009   0.00317  -0.0038   0.5121   0.4771
  -1.750  -0.0597   0.01008   0.00315  -0.0033   0.4991   0.4892
  -1.500  -0.0336   0.01011   0.00315  -0.0028   0.4862   0.5003
  -1.250  -0.0074   0.01010   0.00314  -0.0023   0.4746   0.5105
  -1.000   0.0184   0.01015   0.00315  -0.0018   0.4622   0.5211
  -0.750   0.0450   0.01016   0.00316  -0.0014   0.4509   0.5303
  -0.500   0.0708   0.01020   0.00318  -0.0008   0.4392   0.5410
  -0.250   0.0970   0.01025   0.00320  -0.0004   0.4260   0.5509
   0.000   0.1227   0.01029   0.00323   0.0001   0.4136   0.5615
   0.500   0.1747   0.01041   0.00331   0.0011   0.3892   0.5811
   0.750   0.2004   0.01051   0.00337   0.0016   0.3762   0.5920
   1.000   0.2259   0.01055   0.00342   0.0021   0.3636   0.6036
   1.250   0.2519   0.01065   0.00349   0.0026   0.3520   0.6148
   1.500   0.2767   0.01074   0.00356   0.0032   0.3389   0.6258
   1.750   0.3027   0.01083   0.00364   0.0036   0.3264   0.6369
   2.000   0.3275   0.01093   0.00373   0.0043   0.3141   0.6485
   2.500   0.3774   0.01115   0.00394   0.0055   0.2909   0.6749
   2.750   0.4021   0.01129   0.00406   0.0061   0.2809   0.6876
   3.000   0.4271   0.01140   0.00419   0.0067   0.2708   0.7009
   3.250   0.4512   0.01155   0.00433   0.0074   0.2608   0.7144
   3.500   0.4754   0.01168   0.00448   0.0082   0.2513   0.7320
   4.000   0.5226   0.01196   0.00483   0.0099   0.2331   0.7712
   4.250   0.5464   0.01211   0.00502   0.0106   0.2247   0.7869
   4.500   0.5698   0.01232   0.00521   0.0115   0.2155   0.8008
   4.750   0.5935   0.01249   0.00541   0.0122   0.2071   0.8148
   5.000   0.6162   0.01272   0.00563   0.0132   0.1978   0.8277
   5.250   0.6387   0.01296   0.00585   0.0141   0.1878   0.8415
   5.500   0.6601   0.01323   0.00612   0.0152   0.1760   0.8544
   5.750   0.6807   0.01352   0.00638   0.0165   0.1654   0.8664
   6.000   0.6991   0.01383   0.00667   0.0182   0.1538   0.8793
   6.250   0.7165   0.01421   0.00701   0.0200   0.1403   0.8917
   6.500   0.7327   0.01471   0.00743   0.0218   0.1240   0.9048
   6.750   0.7427   0.01558   0.00813   0.0245   0.0899   0.9175
   7.000   0.7526   0.01648   0.00891   0.0271   0.0665   0.9303
   7.250   0.7712   0.01700   0.00942   0.0283   0.0631   0.9422
   7.500   0.7930   0.01751   0.00994   0.0289   0.0612   0.9518
   7.750   0.8133   0.01804   0.01048   0.0296   0.0597   0.9620
   8.000   0.8383   0.01863   0.01108   0.0293   0.0584   0.9688
   8.250   0.8611   0.01917   0.01163   0.0294   0.0576   0.9772
   8.500   0.8883   0.01978   0.01226   0.0285   0.0568   0.9821
   8.750   0.9132   0.02043   0.01293   0.0279   0.0561   0.9881
   9.000   0.9386   0.02115   0.01367   0.0271   0.0555   0.9926
   9.250   0.9652   0.02194   0.01448   0.0258   0.0549   0.9960
   9.500   0.9902   0.02284   0.01539   0.0248   0.0543   0.9998
   9.750   0.9931   0.02356   0.01614   0.0278   0.0540   1.0000
  10.000   0.9965   0.02440   0.01700   0.0307   0.0537   1.0000
  10.250   1.0015   0.02537   0.01800   0.0329   0.0533   1.0000
  10.500   1.0086   0.02642   0.01908   0.0347   0.0531   1.0000
  10.750   1.0181   0.02748   0.02017   0.0359   0.0529   1.0000
  11.000   1.0278   0.02862   0.02136   0.0370   0.0527   1.0000
  11.250   1.0372   0.02988   0.02266   0.0379   0.0525   1.0000
  11.500   1.0462   0.03125   0.02408   0.0386   0.0522   1.0000
  11.750   1.0545   0.03276   0.02563   0.0392   0.0520   1.0000
  12.000   1.0619   0.03441   0.02733   0.0397   0.0518   1.0000
  12.250   1.0686   0.03618   0.02916   0.0400   0.0516   1.0000
  12.500   1.0746   0.03809   0.03113   0.0402   0.0514   1.0000
  12.750   1.0797   0.04015   0.03324   0.0404   0.0512   1.0000
  13.000   1.0840   0.04236   0.03551   0.0404   0.0511   1.0000
  13.250   1.0874   0.04473   0.03794   0.0403   0.0509   1.0000
  13.500   1.0900   0.04726   0.04053   0.0400   0.0507   1.0000
  13.750   1.0916   0.04994   0.04328   0.0397   0.0506   1.0000
  14.000   1.0923   0.05279   0.04620   0.0392   0.0504   1.0000
  14.250   1.0924   0.05577   0.04924   0.0387   0.0503   1.0000
  14.500   1.0920   0.05886   0.05240   0.0380   0.0502   1.0000
  14.750   1.0911   0.06204   0.05565   0.0373   0.0500   1.0000
  15.000   1.0901   0.06526   0.05894   0.0365   0.0499   1.0000
  15.250   1.0888   0.06859   0.06233   0.0357   0.0498   1.0000
  15.500   1.0870   0.07200   0.06580   0.0348   0.0497   1.0000
  15.750   1.0858   0.07535   0.06921   0.0338   0.0495   1.0000
  16.000   1.0846   0.07870   0.07262   0.0329   0.0494   1.0000
  16.250   1.0835   0.08210   0.07608   0.0319   0.0493   1.0000
  16.500   1.0835   0.08534   0.07937   0.0309   0.0492   1.0000
  16.750   1.0830   0.08867   0.08275   0.0298   0.0491   1.0000
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