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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 100,000
Max Cl/Cd: 38.37 at α=10.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s819-nr-100000.txt
Download as CSV file: xf-s819-nr-100000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S819 Airfoil                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.6341   0.13185   0.12678  -0.0367   1.0000   0.1551
 -15.500  -0.7162   0.11320   0.10822  -0.0449   1.0000   0.1580
 -15.250  -0.9843   0.08100   0.07573  -0.0641   1.0000   0.1659
 -15.000  -0.9928   0.07576   0.07035  -0.0648   1.0000   0.1638
 -14.750  -1.0216   0.07027   0.06465  -0.0662   1.0000   0.1615
 -14.500  -1.0578   0.06533   0.05946  -0.0673   1.0000   0.1591
 -14.250  -1.1040   0.06118   0.05502  -0.0676   1.0000   0.1569
 -14.000  -1.1318   0.05850   0.05209  -0.0666   1.0000   0.1554
 -13.750  -1.1654   0.05700   0.05037  -0.0642   1.0000   0.1541
 -13.250  -1.0315   0.05388   0.04679  -0.0637   1.0000   0.1438
 -13.000  -0.9432   0.05648   0.04899  -0.0618   1.0000   0.1252
 -12.750  -0.8113   0.06234   0.05436  -0.0575   1.0000   0.0941
 -12.500  -0.7469   0.06474   0.05652  -0.0546   1.0000   0.0807
 -12.250  -0.6744   0.06848   0.06016  -0.0504   1.0000   0.0691
 -12.000  -0.6741   0.06622   0.05769  -0.0508   1.0000   0.0664
 -11.750  -0.5633   0.07571   0.06728  -0.0426   1.0000   0.0557
 -11.500  -0.4769   0.08579   0.07756  -0.0352   1.0000   0.0509
 -11.250  -0.4361   0.08977   0.08160  -0.0317   1.0000   0.0484
 -11.000  -0.4142   0.09061   0.08245  -0.0300   1.0000   0.0472
 -10.750  -0.3988   0.09054   0.08242  -0.0287   1.0000   0.0476
 -10.500  -0.3876   0.08971   0.08158  -0.0278   1.0000   0.0474
 -10.250  -0.3804   0.08829   0.08018  -0.0271   1.0000   0.0481
 -10.000  -0.3757   0.08649   0.07837  -0.0265   1.0000   0.0487
  -9.750  -0.3715   0.08457   0.07643  -0.0260   1.0000   0.0485
  -9.500  -0.3706   0.08227   0.07410  -0.0254   1.0000   0.0489
  -9.250  -0.3699   0.07996   0.07176  -0.0249   1.0000   0.0488
  -9.000  -0.3698   0.07765   0.06941  -0.0242   1.0000   0.0486
  -8.750  -0.3727   0.07504   0.06676  -0.0236   1.0000   0.0489
  -8.500  -0.3746   0.07268   0.06435  -0.0228   1.0000   0.0487
  -8.250  -0.3797   0.07004   0.06167  -0.0219   1.0000   0.0490
  -8.000  -0.3864   0.06738   0.05897  -0.0209   1.0000   0.0492
  -7.750  -0.3950   0.06468   0.05623  -0.0197   1.0000   0.0493
  -7.500  -0.4066   0.06193   0.05344  -0.0183   1.0000   0.0495
  -7.250  -0.4219   0.05913   0.05060  -0.0165   1.0000   0.0497
  -7.000  -0.4394   0.05646   0.04790  -0.0144   1.0000   0.0496
  -6.750  -0.4624   0.05377   0.04519  -0.0116   1.0000   0.0495
  -6.500  -0.4911   0.05122   0.04263  -0.0081   1.0000   0.0493
  -6.250  -0.1789   0.08973   0.08281   0.0012   1.0000   0.4368
  -6.000  -0.1684   0.09011   0.08321   0.0040   1.0000   0.4536
  -5.750  -0.1915   0.09046   0.08367   0.0082   1.0000   0.4563
  -5.500  -0.1844   0.08975   0.08300   0.0111   1.0000   0.4619
  -5.250  -0.2458   0.09075   0.08414   0.0143   0.9961   0.4583
  -5.000  -0.2033   0.09014   0.08345   0.0096   0.9882   0.4740
  -4.750  -0.1486   0.08654   0.07974   0.0036   0.9830   0.4746
  -4.500  -0.0979   0.08343   0.07657  -0.0019   0.9752   0.4757
  -4.250  -0.0499   0.08071   0.07380  -0.0073   0.9676   0.4773
  -4.000  -0.0044   0.07823   0.07129  -0.0128   0.9595   0.4796
  -3.750  -0.0118   0.07820   0.07122  -0.0167   0.9438   0.4897
  -3.500   0.0324   0.07496   0.06798  -0.0208   0.9331   0.4906
  -3.250   0.0888   0.07167   0.06467  -0.0270   0.9282   0.4917
  -3.000   0.1329   0.06910   0.06212  -0.0311   0.9164   0.4934
  -2.750   0.1757   0.06675   0.05977  -0.0353   0.9046   0.4961
  -2.500   0.1668   0.06644   0.05941  -0.0371   0.8873   0.5061
  -2.250   0.2179   0.06333   0.05630  -0.0414   0.8751   0.5070
  -2.000   0.2661   0.06076   0.05371  -0.0454   0.8608   0.5087
  -1.750   0.3062   0.05884   0.05174  -0.0483   0.8433   0.5116
  -1.500   0.3324   0.05760   0.05045  -0.0497   0.8245   0.5166
  -1.250   0.1430   0.04462   0.03697  -0.0495   0.8050   0.4425
  -1.000   0.1717   0.04409   0.03644  -0.0491   0.7902   0.4432
  -0.750   0.1576   0.03911   0.03124  -0.0515   0.7755   0.4409
  -0.500   0.1465   0.03317   0.02487  -0.0554   0.7617   0.4425
  -0.250   0.1745   0.03297   0.02469  -0.0550   0.7488   0.4436
   0.000   0.2029   0.03257   0.02428  -0.0551   0.7368   0.4450
   0.250   0.2267   0.03197   0.02365  -0.0551   0.7239   0.4467
   0.500   0.2475   0.03120   0.02284  -0.0551   0.7108   0.4489
   0.750   0.2697   0.03018   0.02172  -0.0558   0.6986   0.4517
   1.000   0.2956   0.02870   0.01998  -0.0579   0.6878   0.4562
   1.250   0.3205   0.02806   0.01928  -0.0584   0.6759   0.4595
   1.500   0.3438   0.02814   0.01945  -0.0575   0.6638   0.4618
   1.750   0.3701   0.02807   0.01940  -0.0574   0.6533   0.4649
   2.000   0.3976   0.02766   0.01892  -0.0580   0.6429   0.4691
   2.250   0.4224   0.02702   0.01815  -0.0591   0.6313   0.4743
   2.500   0.4487   0.02703   0.01824  -0.0587   0.6217   0.4770
   2.750   0.4743   0.02706   0.01835  -0.0585   0.6118   0.4803
   3.000   0.4988   0.02701   0.01833  -0.0584   0.6015   0.4848
   3.250   0.5308   0.02662   0.01778  -0.0599   0.5933   0.4907
   3.500   0.5513   0.02687   0.01824  -0.0588   0.5828   0.4940
   3.750   0.5801   0.02696   0.01835  -0.0591   0.5753   0.4990
   4.000   0.6049   0.02696   0.01836  -0.0595   0.5654   0.5062
   4.250   0.6303   0.02718   0.01873  -0.0589   0.5576   0.5104
   4.500   0.6542   0.02742   0.01909  -0.0585   0.5489   0.5162
   4.750   0.6824   0.02751   0.01918  -0.0591   0.5415   0.5234
   5.000   0.7048   0.02781   0.01969  -0.0583   0.5329   0.5283
   5.250   0.7328   0.02798   0.01988  -0.0587   0.5256   0.5359
   5.500   0.7557   0.02822   0.02027  -0.0581   0.5168   0.5416
   5.750   0.7814   0.02846   0.02063  -0.0578   0.5090   0.5485
   6.000   0.8065   0.02863   0.02090  -0.0577   0.5002   0.5564
   6.250   0.8295   0.02895   0.02139  -0.0569   0.4920   0.5632
   6.500   0.8572   0.02901   0.02151  -0.0570   0.4831   0.5723
   6.750   0.8768   0.02938   0.02210  -0.0557   0.4739   0.5792
   7.000   0.9098   0.02922   0.02190  -0.0564   0.4651   0.5890
   7.250   0.9255   0.02963   0.02259  -0.0546   0.4547   0.5964
   7.500   0.9529   0.02963   0.02266  -0.0544   0.4452   0.6061
   7.750   0.9786   0.02959   0.02271  -0.0539   0.4347   0.6161
   8.000   0.9962   0.02980   0.02314  -0.0522   0.4234   0.6246
   8.250   1.0213   0.02976   0.02317  -0.0517   0.4121   0.6361
   8.500   1.0494   0.02951   0.02294  -0.0512   0.4007   0.6467
   8.750   1.0643   0.02961   0.02329  -0.0491   0.3880   0.6565
   9.000   1.0821   0.02965   0.02348  -0.0475   0.3745   0.6683
   9.250   1.0984   0.02963   0.02362  -0.0454   0.3607   0.6795
   9.500   1.1131   0.02957   0.02369  -0.0431   0.3458   0.6906
   9.750   1.1260   0.02956   0.02378  -0.0407   0.3297   0.7027
  10.000   1.1357   0.02960   0.02392  -0.0379   0.3124   0.7158
  10.250   1.1408   0.02973   0.02414  -0.0344   0.2946   0.7285
  10.500   1.1399   0.02998   0.02443  -0.0300   0.2770   0.7407
  10.750   1.1338   0.03069   0.02527  -0.0256   0.2577   0.7536
  11.000   1.1287   0.03162   0.02625  -0.0217   0.2378   0.7680
  11.250   1.1234   0.03279   0.02737  -0.0182   0.2193   0.7837
  11.500   1.1173   0.03427   0.02879  -0.0151   0.2022   0.8010
  11.750   1.1113   0.03597   0.03048  -0.0123   0.1865   0.8208
  12.000   1.1059   0.03767   0.03217  -0.0095   0.1729   0.8443
  12.250   1.0992   0.03922   0.03377  -0.0065   0.1615   0.8777
  12.500   1.0903   0.04067   0.03542  -0.0038   0.1514   1.0000
  12.750   1.0994   0.04336   0.03800  -0.0054   0.1383   1.0000
  13.000   1.1063   0.04597   0.04051  -0.0062   0.1272   1.0000
  13.250   1.1150   0.04837   0.04277  -0.0066   0.1170   1.0000
  13.500   1.1166   0.05111   0.04557  -0.0069   0.1089   1.0000
  13.750   1.1219   0.05382   0.04828  -0.0070   0.1011   1.0000
  14.000   1.1374   0.05580   0.04999  -0.0070   0.0923   1.0000
  14.250   1.1295   0.05944   0.05395  -0.0074   0.0881   1.0000
  14.500   1.1370   0.06187   0.05630  -0.0076   0.0819   1.0000
  14.750   1.1378   0.06527   0.05985  -0.0080   0.0773   1.0000
  15.000   1.1333   0.06898   0.06375  -0.0087   0.0736   1.0000
  15.250   1.1510   0.07110   0.06566  -0.0085   0.0679   1.0000
  15.500   1.1361   0.07587   0.07077  -0.0099   0.0661   1.0000
  15.750   1.1247   0.08063   0.07578  -0.0114   0.0640   1.0000
  16.000   1.1147   0.08540   0.08074  -0.0132   0.0619   1.0000
  16.250   1.1345   0.08731   0.08242  -0.0127   0.0574   1.0000
  16.500   1.1135   0.09346   0.08888  -0.0156   0.0569   1.0000
  16.750   1.0897   0.10040   0.09611  -0.0192   0.0564   1.0000
  17.000   1.0644   0.10809   0.10408  -0.0235   0.0562   1.0000
  17.250   1.0373   0.11665   0.11289  -0.0286   0.0563   1.0000
  17.500   1.0075   0.12630   0.12275  -0.0345   0.0567   1.0000
  17.750   0.9755   0.13713   0.13377  -0.0414   0.0573   1.0000
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