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NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-221 (naca654221-il)
Reynolds number: 100,000
Max Cl/Cd: 20.74 at α=10.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654221-il-100000-n5.txt
Download as CSV file: xf-naca654221-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-221                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.750  -0.6322   0.12369   0.11783  -0.0535   1.0000   0.0413
 -17.500  -0.7124   0.10438   0.09810  -0.0647   1.0000   0.0404
 -17.250  -0.7471   0.09542   0.08887  -0.0693   1.0000   0.0403
 -17.000  -0.7702   0.08886   0.08207  -0.0723   1.0000   0.0404
 -16.750  -0.7873   0.08348   0.07646  -0.0744   1.0000   0.0405
 -16.500  -0.8003   0.07892   0.07169  -0.0759   1.0000   0.0408
 -16.250  -0.8100   0.07486   0.06743  -0.0769   1.0000   0.0411
 -16.000  -0.8174   0.07120   0.06357  -0.0777   1.0000   0.0414
 -15.750  -0.8217   0.06794   0.06009  -0.0781   1.0000   0.0418
 -15.500  -0.8240   0.06492   0.05686  -0.0784   1.0000   0.0423
 -15.250  -0.8219   0.06231   0.05405  -0.0785   1.0000   0.0426
 -15.000  -0.8170   0.05997   0.05150  -0.0784   1.0000   0.0430
 -14.750  -0.8085   0.05792   0.04928  -0.0783   1.0000   0.0434
 -14.500  -0.7902   0.05659   0.04795  -0.0782   1.0000   0.0439
 -14.250  -0.7736   0.05530   0.04666  -0.0780   1.0000   0.0445
 -14.000  -0.7584   0.05402   0.04537  -0.0778   1.0000   0.0452
 -13.750  -0.7430   0.05285   0.04416  -0.0776   1.0000   0.0458
 -13.500  -0.7284   0.05174   0.04302  -0.0772   1.0000   0.0467
 -13.250  -0.7152   0.05074   0.04198  -0.0766   1.0000   0.0477
 -13.000  -0.6894   0.04943   0.04054  -0.0783   0.9754   0.0492
 -12.750  -0.6614   0.04833   0.03943  -0.0802   0.9617   0.0507
 -12.500  -0.6351   0.04712   0.03820  -0.0822   0.9498   0.0522
 -12.250  -0.6098   0.04597   0.03699  -0.0839   0.9385   0.0539
 -12.000  -0.5864   0.04486   0.03576  -0.0851   0.9276   0.0557
 -11.750  -0.5687   0.04374   0.03458  -0.0855   0.9158   0.0575
 -11.500  -0.5544   0.04253   0.03334  -0.0856   0.9048   0.0596
 -11.250  -0.5405   0.04142   0.03214  -0.0854   0.8949   0.0626
 -11.000  -0.5292   0.04033   0.03100  -0.0847   0.8844   0.0657
 -10.750  -0.5187   0.03918   0.02981  -0.0840   0.8759   0.0699
 -10.500  -0.5087   0.03810   0.02870  -0.0831   0.8664   0.0748
 -10.250  -0.4998   0.03696   0.02754  -0.0820   0.8591   0.0824
 -10.000  -0.4922   0.03578   0.02644  -0.0808   0.8509   0.0942
  -9.750  -0.4863   0.03453   0.02532  -0.0795   0.8437   0.1133
  -9.500  -0.4838   0.03312   0.02410  -0.0779   0.8370   0.1458
  -9.250  -0.4830   0.03167   0.02286  -0.0762   0.8293   0.1812
  -9.000  -0.4859   0.03009   0.02148  -0.0739   0.8229   0.2211
  -8.500  -0.4948   0.02717   0.01911  -0.0687   0.8090   0.3148
  -8.250  -0.4864   0.02681   0.01920  -0.0660   0.8041   0.3803
  -8.000  -0.4473   0.02855   0.02123  -0.0652   0.7999   0.4403
  -7.750  -0.4346   0.02852   0.02121  -0.0634   0.7937   0.4736
  -7.500  -0.4353   0.02771   0.02033  -0.0606   0.7880   0.5002
  -7.250  -0.4289   0.02765   0.02018  -0.0577   0.7836   0.5231
  -7.000  -0.4124   0.02841   0.02091  -0.0555   0.7777   0.5409
  -6.750  -0.4200   0.02783   0.02025  -0.0512   0.7717   0.5557
  -6.500  -0.3638   0.02973   0.02201  -0.0532   0.7690   0.5601
  -6.250  -0.3811   0.02855   0.02073  -0.0479   0.7649   0.5734
  -5.750  -0.3495   0.02892   0.02094  -0.0444   0.7552   0.5903
  -5.500  -0.3047   0.02994   0.02186  -0.0457   0.7519   0.5927
  -5.000  -0.2828   0.02913   0.02080  -0.0416   0.7453   0.6083
  -4.750  -0.2512   0.02962   0.02125  -0.0419   0.7411   0.6105
  -4.250  -0.2403   0.02845   0.01991  -0.0370   0.7328   0.6255
  -4.000  -0.2083   0.02862   0.01999  -0.0374   0.7302   0.6272
  -3.750  -0.1781   0.02868   0.01996  -0.0377   0.7279   0.6294
  -3.500  -0.1559   0.02876   0.02000  -0.0370   0.7240   0.6325
  -3.250  -0.1686   0.02767   0.01884  -0.0327   0.7187   0.6429
  -3.000  -0.1429   0.02772   0.01885  -0.0325   0.7156   0.6450
  -2.750  -0.1161   0.02775   0.01882  -0.0325   0.7131   0.6469
  -2.500  -0.0904   0.02767   0.01867  -0.0323   0.7109   0.6493
  -2.250  -0.0664   0.02747   0.01839  -0.0320   0.7089   0.6526
  -2.000  -0.0647   0.02716   0.01807  -0.0292   0.7035   0.6588
  -1.750  -0.0530   0.02689   0.01776  -0.0276   0.6992   0.6630
  -1.500  -0.0284   0.02698   0.01783  -0.0272   0.6964   0.6650
  -1.250  -0.0032   0.02698   0.01780  -0.0270   0.6941   0.6673
  -1.000   0.0215   0.02686   0.01763  -0.0269   0.6922   0.6700
  -0.750   0.0457   0.02662   0.01732  -0.0268   0.6905   0.6733
  -0.500   0.0435   0.02671   0.01741  -0.0236   0.6842   0.6794
  -0.250   0.0611   0.02687   0.01758  -0.0224   0.6802   0.6820
   0.000   0.0845   0.02698   0.01770  -0.0219   0.6775   0.6840
   0.250   0.1095   0.02699   0.01771  -0.0218   0.6754   0.6862
   0.500   0.1358   0.02693   0.01763  -0.0219   0.6737   0.6888
   0.750   0.1634   0.02680   0.01746  -0.0222   0.6722   0.6920
   1.000   0.1503   0.02765   0.01837  -0.0175   0.6635   0.6976
   1.250   0.1688   0.02783   0.01856  -0.0166   0.6602   0.7005
   1.500   0.1929   0.02798   0.01873  -0.0163   0.6580   0.7026
   1.750   0.2200   0.02800   0.01877  -0.0164   0.6563   0.7049
   2.000   0.2497   0.02793   0.01871  -0.0169   0.6548   0.7075
   2.500   0.2439   0.02974   0.02059  -0.0101   0.6413   0.7163
   2.750   0.2710   0.02974   0.02061  -0.0104   0.6393   0.7195
   3.000   0.3008   0.02971   0.02064  -0.0107   0.6378   0.7218
   3.250   0.3320   0.02965   0.02062  -0.0114   0.6365   0.7243
   3.750   0.3162   0.03209   0.02315  -0.0035   0.6209   0.7323
   4.000   0.3029   0.03413   0.02522  -0.0002   0.6105   0.7375
   4.250   0.3222   0.03452   0.02569   0.0007   0.6065   0.7402
   4.500   0.3495   0.03452   0.02576   0.0007   0.6042   0.7433
   4.750   0.3797   0.03436   0.02567   0.0004   0.6025   0.7468
   5.000   0.4124   0.03408   0.02544  -0.0002   0.6013   0.7506
   5.750   0.4355   0.03717   0.02875   0.0045   0.5802   0.7625
   6.250   0.4715   0.03804   0.02978   0.0059   0.5689   0.7718
   7.250   0.5533   0.03875   0.03088   0.0085   0.5469   0.7900
   7.750   0.5954   0.03866   0.03101   0.0101   0.5338   0.8000
   8.250   0.6296   0.03906   0.03163   0.0120   0.5176   0.8121
   9.250   0.6825   0.04049   0.03354   0.0172   0.4746   0.8370
   9.750   0.7164   0.03993   0.03312   0.0199   0.4360   0.8528
  10.000   0.7341   0.03950   0.03268   0.0215   0.4043   0.8613
  10.250   0.7670   0.03784   0.03081   0.0226   0.3620   0.8700
  10.500   0.7831   0.03776   0.03045   0.0244   0.3196   0.8794
  10.750   0.7861   0.03897   0.03145   0.0262   0.2800   0.8898
  11.000   0.7857   0.04067   0.03296   0.0279   0.2448   0.9023
  11.250   0.7846   0.04261   0.03474   0.0292   0.2107   0.9172
  11.500   0.7864   0.04471   0.03670   0.0297   0.1775   0.9348
  11.750   0.7918   0.04702   0.03885   0.0289   0.1434   0.9574
  12.000   0.7943   0.04910   0.04075   0.0288   0.1145   1.0000
  12.250   0.7992   0.05129   0.04275   0.0287   0.0926   1.0000
  12.500   0.8052   0.05343   0.04476   0.0286   0.0789   1.0000
  12.750   0.8123   0.05551   0.04678   0.0284   0.0702   1.0000
  13.000   0.8199   0.05757   0.04881   0.0283   0.0645   1.0000
  13.250   0.8268   0.05970   0.05092   0.0281   0.0603   1.0000
  13.500   0.8354   0.06168   0.05294   0.0279   0.0570   1.0000
  13.750   0.8434   0.06374   0.05501   0.0276   0.0541   1.0000
  14.000   0.8508   0.06588   0.05713   0.0274   0.0517   1.0000
  14.250   0.8606   0.06777   0.05909   0.0272   0.0497   1.0000
  14.500   0.8702   0.06966   0.06103   0.0270   0.0481   1.0000
  14.750   0.8795   0.07159   0.06295   0.0267   0.0467   1.0000
  15.000   0.8904   0.07331   0.06465   0.0266   0.0456   1.0000
  15.250   0.9030   0.07493   0.06637   0.0265   0.0442   1.0000
  15.500   0.9151   0.07660   0.06811   0.0263   0.0429   1.0000
  15.750   0.9271   0.07830   0.06986   0.0261   0.0419   1.0000
  16.000   0.9374   0.08019   0.07173   0.0257   0.0406   1.0000
  16.250   0.9517   0.08159   0.07310   0.0256   0.0398   1.0000
  16.500   0.9628   0.08355   0.07522   0.0253   0.0389   1.0000
  16.750   0.9742   0.08549   0.07730   0.0250   0.0382   1.0000
  17.000   0.9845   0.08758   0.07951   0.0246   0.0376   1.0000
  17.250   0.9932   0.08990   0.08196   0.0241   0.0370   1.0000
  17.500   1.0009   0.09236   0.08453   0.0235   0.0365   1.0000
  17.750   1.0074   0.09500   0.08729   0.0227   0.0360   1.0000
  18.000   1.0130   0.09774   0.09013   0.0219   0.0356   1.0000
  18.250   1.0188   0.10045   0.09292   0.0209   0.0351   1.0000
  18.500   1.0271   0.10285   0.09536   0.0202   0.0346   1.0000
  18.750   1.0200   0.10751   0.10025   0.0183   0.0344   1.0000
  19.000   1.0098   0.11273   0.10574   0.0159   0.0341   1.0000
  19.250   0.9951   0.11884   0.11212   0.0129   0.0338   1.0000
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