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NREL's S809 Airfoil (s809-nr) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NREL's S809 Airfoil (s809-nr)
Reynolds number: 500,000
Max Cl/Cd: 75.62 at α=6°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s809-nr-500000-n5.txt
Download as CSV file: xf-s809-nr-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S809 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.750  -0.7334   0.11450   0.11152  -0.0393   1.0000   0.0034
 -17.500  -0.7171   0.11401   0.11112  -0.0407   1.0000   0.0035
 -17.250  -0.7688   0.10115   0.09787  -0.0445   1.0000   0.0035
 -17.000  -0.7793   0.09607   0.09267  -0.0463   1.0000   0.0035
 -16.750  -0.7913   0.09034   0.08675  -0.0481   0.9846   0.0035
 -16.500  -0.7891   0.07979   0.07559  -0.0592   0.9031   0.0035
 -16.250  -0.7895   0.07706   0.07208  -0.0597   0.7330   0.0036
 -16.000  -0.7967   0.07284   0.06737  -0.0592   0.7122   0.0034
 -15.500  -0.7888   0.06843   0.06278  -0.0607   0.6800   0.0038
 -15.250  -0.7847   0.06577   0.05985  -0.0602   0.6715   0.0037
 -15.000  -0.7775   0.06382   0.05774  -0.0603   0.6627   0.0038
 -14.750  -0.7697   0.06193   0.05573  -0.0605   0.6565   0.0040
 -14.500  -0.7572   0.06047   0.05407  -0.0599   0.6506   0.0039
 -14.250  -0.7447   0.05914   0.05259  -0.0596   0.6454   0.0039
 -14.000  -0.7300   0.05811   0.05142  -0.0590   0.6415   0.0040
 -13.750  -0.7181   0.05671   0.04992  -0.0591   0.6377   0.0043
 -13.500  -0.7036   0.05570   0.04880  -0.0588   0.6341   0.0043
 -13.250  -0.6868   0.05507   0.04806  -0.0579   0.6312   0.0044
 -12.750  -0.6571   0.05328   0.04610  -0.0572   0.6261   0.0045
 -12.500  -0.6426   0.05236   0.04512  -0.0568   0.6239   0.0047
 -12.250  -0.6288   0.05143   0.04412  -0.0563   0.6218   0.0047
 -12.000  -0.6154   0.05043   0.04305  -0.0559   0.6199   0.0048
 -11.750  -0.6010   0.04940   0.04197  -0.0558   0.6180   0.0049
 -11.500  -0.5903   0.04826   0.04079  -0.0552   0.6162   0.0049
 -11.250  -0.5788   0.04710   0.03959  -0.0549   0.6146   0.0052
 -11.000  -0.5685   0.04586   0.03833  -0.0544   0.6131   0.0055
 -10.750  -0.5549   0.04483   0.03726  -0.0542   0.6118   0.0056
 -10.500  -0.5449   0.04354   0.03594  -0.0537   0.6106   0.0058
 -10.250  -0.5346   0.04230   0.03466  -0.0532   0.6094   0.0060
 -10.000  -0.5239   0.04106   0.03339  -0.0528   0.6082   0.0060
  -9.750  -0.5163   0.03961   0.03190  -0.0522   0.6071   0.0064
  -9.500  -0.5070   0.03832   0.03058  -0.0516   0.6059   0.0066
  -9.250  -0.4969   0.03711   0.02933  -0.0511   0.6049   0.0065
  -9.000  -0.4868   0.03590   0.02808  -0.0505   0.6038   0.0068
  -8.750  -0.4785   0.03459   0.02672  -0.0498   0.6027   0.0068
  -8.500  -0.4709   0.03328   0.02538  -0.0490   0.6017   0.0074
  -8.250  -0.4630   0.03202   0.02409  -0.0481   0.6007   0.0078
  -8.000  -0.4555   0.03080   0.02283  -0.0472   0.5998   0.0091
  -7.750  -0.4463   0.02972   0.02171  -0.0463   0.5989   0.0092
  -7.500  -0.4395   0.02850   0.02044  -0.0452   0.5981   0.0101
  -7.250  -0.4332   0.02728   0.01919  -0.0441   0.5971   0.0121
  -7.000  -0.4276   0.02602   0.01791  -0.0429   0.5960   0.0149
  -6.750  -0.4218   0.02475   0.01665  -0.0416   0.5953   0.0192
  -6.500  -0.4189   0.02333   0.01525  -0.0401   0.5945   0.0282
  -6.250  -0.4218   0.02157   0.01355  -0.0382   0.5937   0.0459
  -6.000  -0.4437   0.01879   0.01092  -0.0346   0.5930   0.0883
  -5.750  -0.4612   0.01623   0.00841  -0.0322   0.5923   0.1260
  -5.500  -0.4888   0.01201   0.00493  -0.0293   0.5915   0.3287
  -5.250  -0.4725   0.01078   0.00427  -0.0292   0.5907   0.4616
  -5.000  -0.4429   0.01101   0.00452  -0.0298   0.5900   0.4817
  -4.750  -0.4132   0.01127   0.00472  -0.0303   0.5892   0.4920
  -4.500  -0.3833   0.01152   0.00493  -0.0309   0.5885   0.4981
  -4.250  -0.3542   0.01147   0.00480  -0.0315   0.5878   0.4994
  -4.000  -0.3251   0.01141   0.00467  -0.0321   0.5871   0.5005
  -3.750  -0.2959   0.01135   0.00453  -0.0327   0.5864   0.5015
  -3.500  -0.2666   0.01130   0.00441  -0.0334   0.5858   0.5023
  -3.250  -0.2374   0.01125   0.00429  -0.0340   0.5851   0.5031
  -3.000  -0.2081   0.01119   0.00421  -0.0346   0.5845   0.5039
  -2.750  -0.1788   0.01116   0.00415  -0.0352   0.5839   0.5047
  -2.500  -0.1495   0.01113   0.00410  -0.0358   0.5833   0.5055
  -2.250  -0.1200   0.01112   0.00406  -0.0364   0.5827   0.5063
  -2.000  -0.0906   0.01112   0.00403  -0.0371   0.5822   0.5071
  -1.750  -0.0611   0.01112   0.00401  -0.0377   0.5816   0.5079
  -1.500  -0.0316   0.01113   0.00400  -0.0384   0.5810   0.5089
  -1.250  -0.0020   0.01116   0.00401  -0.0390   0.5804   0.5100
  -1.000   0.0275   0.01116   0.00401  -0.0397   0.5799   0.5110
  -0.750   0.0570   0.01115   0.00400  -0.0403   0.5793   0.5121
  -0.500   0.0864   0.01115   0.00400  -0.0409   0.5787   0.5130
  -0.250   0.1160   0.01115   0.00400  -0.0416   0.5782   0.5140
   0.000   0.1455   0.01116   0.00401  -0.0423   0.5777   0.5149
   0.250   0.1751   0.01117   0.00403  -0.0429   0.5772   0.5158
   0.500   0.2046   0.01119   0.00405  -0.0436   0.5767   0.5166
   0.750   0.2342   0.01121   0.00408  -0.0442   0.5761   0.5174
   1.000   0.2636   0.01122   0.00412  -0.0448   0.5756   0.5183
   1.250   0.2929   0.01123   0.00419  -0.0455   0.5750   0.5193
   1.500   0.3223   0.01126   0.00426  -0.0461   0.5745   0.5203
   1.750   0.3517   0.01129   0.00434  -0.0467   0.5737   0.5212
   2.000   0.3810   0.01132   0.00442  -0.0473   0.5729   0.5220
   2.250   0.4104   0.01136   0.00451  -0.0479   0.5721   0.5229
   2.500   0.4397   0.01139   0.00458  -0.0484   0.5710   0.5238
   2.750   0.4690   0.01142   0.00464  -0.0490   0.5697   0.5247
   3.000   0.4984   0.01144   0.00470  -0.0496   0.5684   0.5257
   3.250   0.5278   0.01149   0.00478  -0.0502   0.5672   0.5268
   3.500   0.5572   0.01153   0.00485  -0.0507   0.5654   0.5280
   3.750   0.5856   0.01152   0.00491  -0.0511   0.5625   0.5291
   4.000   0.6137   0.01144   0.00491  -0.0514   0.5583   0.5301
   4.250   0.6423   0.01135   0.00485  -0.0517   0.5536   0.5310
   4.500   0.6710   0.01128   0.00478  -0.0521   0.5490   0.5318
   4.750   0.6985   0.01119   0.00480  -0.0522   0.5428   0.5326
   5.000   0.7262   0.01104   0.00471  -0.0523   0.5356   0.5335
   5.250   0.7540   0.01097   0.00475  -0.0526   0.5279   0.5345
   5.500   0.7816   0.01090   0.00475  -0.0527   0.5198   0.5354
   5.750   0.8089   0.01084   0.00478  -0.0528   0.5052   0.5364
   6.000   0.8280   0.01095   0.00466  -0.0514   0.4383   0.5375
   6.250   0.8359   0.01198   0.00528  -0.0484   0.3593   0.5386
   6.500   0.8458   0.01291   0.00595  -0.0459   0.2986   0.5396
   6.750   0.8559   0.01376   0.00658  -0.0434   0.2485   0.5406
   7.000   0.8655   0.01454   0.00718  -0.0408   0.2073   0.5416
   7.250   0.8733   0.01528   0.00777  -0.0380   0.1719   0.5425
   7.500   0.8762   0.01595   0.00832  -0.0342   0.1440   0.5434
   7.750   0.8799   0.01676   0.00902  -0.0308   0.1195   0.5443
   8.000   0.8860   0.01758   0.00977  -0.0281   0.0997   0.5453
   8.250   0.8919   0.01847   0.01060  -0.0255   0.0835   0.5461
   8.500   0.8990   0.01939   0.01149  -0.0234   0.0714   0.5470
   8.750   0.9068   0.02037   0.01246  -0.0216   0.0621   0.5477
   9.000   0.9145   0.02145   0.01355  -0.0200   0.0541   0.5487
   9.250   0.9228   0.02260   0.01472  -0.0188   0.0474   0.5497
   9.500   0.9320   0.02379   0.01594  -0.0177   0.0412   0.5508
   9.750   0.9410   0.02505   0.01722  -0.0168   0.0362   0.5520
  10.000   0.9507   0.02631   0.01850  -0.0160   0.0319   0.5531
  10.250   0.9605   0.02758   0.01982  -0.0152   0.0287   0.5543
  10.500   0.9714   0.02880   0.02109  -0.0145   0.0264   0.5556
  10.750   0.9805   0.03015   0.02246  -0.0138   0.0240   0.5568
  11.000   0.9911   0.03142   0.02378  -0.0132   0.0221   0.5580
  11.250   1.0010   0.03275   0.02515  -0.0126   0.0202   0.5591
  11.500   1.0102   0.03414   0.02658  -0.0119   0.0191   0.5602
  11.750   1.0198   0.03552   0.02800  -0.0114   0.0177   0.5613
  12.000   1.0300   0.03688   0.02944  -0.0109   0.0166   0.5624
  12.250   1.0394   0.03832   0.03092  -0.0104   0.0158   0.5633
  12.500   1.0479   0.03983   0.03250  -0.0099   0.0150   0.5646
  12.750   1.0550   0.04152   0.03424  -0.0095   0.0142   0.5657
  13.000   1.0647   0.04301   0.03583  -0.0092   0.0137   0.5670
  13.250   1.0740   0.04459   0.03749  -0.0089   0.0129   0.5684
  13.500   1.0831   0.04620   0.03917  -0.0087   0.0124   0.5697
  13.750   1.0915   0.04793   0.04096  -0.0085   0.0118   0.5712
  14.000   1.0985   0.04983   0.04293  -0.0084   0.0113   0.5726
  14.250   1.1040   0.05192   0.04509  -0.0083   0.0109   0.5742
  14.500   1.1147   0.05355   0.04680  -0.0084   0.0102   0.5760
  14.750   1.1211   0.05564   0.04898  -0.0084   0.0100   0.5775
  15.250   1.1358   0.05978   0.05328  -0.0088   0.0091   0.5808
  15.500   1.1427   0.06193   0.05551  -0.0091   0.0088   0.5825
  15.750   1.1467   0.06449   0.05815  -0.0094   0.0084   0.5842
  16.000   1.1522   0.06692   0.06067  -0.0099   0.0080   0.5860
  16.250   1.1563   0.06959   0.06345  -0.0104   0.0078   0.5879
  16.500   1.1644   0.07180   0.06577  -0.0110   0.0072   0.5899
  16.750   1.1678   0.07466   0.06873  -0.0117   0.0069   0.5918
  17.000   1.1732   0.07729   0.07143  -0.0125   0.0065   0.5937
  17.250   1.1753   0.08045   0.07469  -0.0135   0.0063   0.5956
  17.500   1.1751   0.08400   0.07833  -0.0146   0.0060   0.5976
  17.750   1.1765   0.08741   0.08187  -0.0159   0.0058   0.5998
  18.000   1.1770   0.09103   0.08562  -0.0172   0.0056   0.6021
  18.250   1.1764   0.09487   0.08958  -0.0188   0.0055   0.6044
  18.500   1.1740   0.09910   0.09394  -0.0206   0.0054   0.6067
  18.750   1.1731   0.10316   0.09812  -0.0224   0.0051   0.6090
  19.000   1.1693   0.10779   0.10288  -0.0246   0.0050   0.6112
  19.250   1.1670   0.11219   0.10741  -0.0268   0.0048   0.6138
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