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NREL's S809 Airfoil (s809-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NREL's S809 Airfoil (s809-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 89.81 at α=5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s809-nr-1000000-n5.txt
Download as CSV file: xf-s809-nr-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.8751   0.11957   0.11690  -0.0318   1.0000   0.0020
 -19.500  -0.8890   0.11364   0.11082  -0.0341   1.0000   0.0020
 -19.250  -0.9061   0.10746   0.10444  -0.0360   1.0000   0.0020
 -19.000  -0.9068   0.10385   0.10080  -0.0375   1.0000   0.0021
 -18.750  -0.9246   0.09801   0.09470  -0.0387   0.9999   0.0020
 -18.500  -0.8851   0.09171   0.08754  -0.0517   0.7549   0.0021
 -18.250  -0.8886   0.08834   0.08388  -0.0523   0.7022   0.0022
 -18.000  -0.8909   0.08488   0.08020  -0.0531   0.6834   0.0022
 -17.750  -0.8925   0.08161   0.07671  -0.0536   0.6703   0.0021
 -17.500  -0.8836   0.07955   0.07462  -0.0547   0.6581   0.0022
 -17.250  -0.8817   0.07679   0.07169  -0.0551   0.6488   0.0023
 -17.000  -0.8757   0.07448   0.06929  -0.0558   0.6415   0.0023
 -16.750  -0.8673   0.07250   0.06724  -0.0563   0.6355   0.0023
 -16.500  -0.8632   0.07022   0.06476  -0.0562   0.6299   0.0023
 -16.250  -0.8546   0.06832   0.06279  -0.0566   0.6258   0.0024
 -16.000  -0.8482   0.06653   0.06082  -0.0561   0.6222   0.0022
 -15.750  -0.8358   0.06481   0.05913  -0.0572   0.6186   0.0026
 -15.500  -0.8258   0.06325   0.05746  -0.0572   0.6153   0.0026
 -15.000  -0.8040   0.06040   0.05444  -0.0571   0.6101   0.0026
 -14.750  -0.7918   0.05901   0.05299  -0.0573   0.6082   0.0028
 -14.500  -0.7812   0.05774   0.05163  -0.0568   0.6060   0.0026
 -14.250  -0.7690   0.05643   0.05027  -0.0569   0.6040   0.0026
 -14.000  -0.7584   0.05514   0.04890  -0.0565   0.6022   0.0026
 -13.750  -0.7434   0.05398   0.04771  -0.0568   0.6002   0.0029
 -13.500  -0.7308   0.05282   0.04649  -0.0567   0.5983   0.0029
 -13.000  -0.7059   0.05051   0.04407  -0.0562   0.5954   0.0031
 -12.750  -0.6958   0.04920   0.04272  -0.0558   0.5944   0.0030
 -12.500  -0.6830   0.04805   0.04153  -0.0557   0.5932   0.0031
 -12.250  -0.6730   0.04674   0.04017  -0.0553   0.5921   0.0031
 -12.000  -0.6614   0.04550   0.03890  -0.0551   0.5910   0.0031
 -11.750  -0.6480   0.04443   0.03779  -0.0549   0.5899   0.0032
 -11.500  -0.6401   0.04299   0.03632  -0.0543   0.5888   0.0031
 -11.250  -0.6259   0.04201   0.03530  -0.0541   0.5877   0.0032
 -11.000  -0.6181   0.04057   0.03383  -0.0535   0.5867   0.0033
 -10.750  -0.6046   0.03954   0.03277  -0.0533   0.5857   0.0033
 -10.500  -0.5989   0.03800   0.03118  -0.0526   0.5847   0.0033
 -10.250  -0.5901   0.03670   0.02986  -0.0519   0.5837   0.0035
 -10.000  -0.5786   0.03559   0.02871  -0.0515   0.5827   0.0035
  -9.750  -0.5735   0.03405   0.02713  -0.0506   0.5818   0.0037
  -9.500  -0.5632   0.03292   0.02597  -0.0499   0.5808   0.0038
  -9.250  -0.5504   0.03196   0.02500  -0.0495   0.5801   0.0039
  -9.000  -0.5415   0.03074   0.02376  -0.0487   0.5795   0.0039
  -8.750  -0.5305   0.02970   0.02271  -0.0481   0.5790   0.0042
  -8.500  -0.5238   0.02846   0.02144  -0.0470   0.5785   0.0043
  -8.250  -0.5150   0.02735   0.02031  -0.0461   0.5778   0.0046
  -8.000  -0.5082   0.02613   0.01906  -0.0449   0.5771   0.0049
  -7.750  -0.4995   0.02504   0.01795  -0.0439   0.5763   0.0048
  -7.500  -0.4916   0.02391   0.01680  -0.0428   0.5757   0.0049
  -7.250  -0.4858   0.02266   0.01553  -0.0415   0.5749   0.0052
  -7.000  -0.4793   0.02145   0.01429  -0.0402   0.5741   0.0056
  -6.750  -0.4725   0.02027   0.01310  -0.0389   0.5735   0.0061
  -6.500  -0.4658   0.01908   0.01188  -0.0375   0.5728   0.0070
  -6.250  -0.4617   0.01778   0.01056  -0.0358   0.5721   0.0090
  -6.000  -0.4621   0.01645   0.00922  -0.0335   0.5715   0.0119
  -5.750  -0.4545   0.01515   0.00789  -0.0330   0.5709   0.0152
  -5.500  -0.4396   0.01421   0.00693  -0.0329   0.5702   0.0253
  -5.250  -0.4256   0.01325   0.00609  -0.0324   0.5696   0.0628
  -5.000  -0.4405   0.00889   0.00295  -0.0304   0.5690   0.3793
  -4.750  -0.4153   0.00826   0.00258  -0.0309   0.5684   0.4470
  -4.500  -0.3861   0.00821   0.00259  -0.0315   0.5677   0.4685
  -4.250  -0.3562   0.00830   0.00268  -0.0322   0.5671   0.4824
  -4.000  -0.3263   0.00836   0.00268  -0.0329   0.5665   0.4866
  -3.750  -0.2966   0.00836   0.00262  -0.0335   0.5658   0.4876
  -3.500  -0.2670   0.00836   0.00256  -0.0342   0.5651   0.4883
  -3.250  -0.2374   0.00833   0.00251  -0.0348   0.5645   0.4892
  -3.000  -0.2077   0.00829   0.00246  -0.0355   0.5642   0.4902
  -2.750  -0.1780   0.00826   0.00242  -0.0362   0.5639   0.4911
  -2.500  -0.1483   0.00824   0.00238  -0.0368   0.5636   0.4920
  -2.250  -0.1185   0.00823   0.00235  -0.0375   0.5632   0.4928
  -2.000  -0.0887   0.00822   0.00233  -0.0382   0.5628   0.4936
  -1.750  -0.0589   0.00821   0.00232  -0.0388   0.5624   0.4945
  -1.500  -0.0290   0.00820   0.00231  -0.0395   0.5620   0.4953
  -1.250   0.0008   0.00820   0.00230  -0.0402   0.5616   0.4962
  -1.000   0.0306   0.00820   0.00230  -0.0408   0.5612   0.4971
  -0.750   0.0605   0.00821   0.00230  -0.0415   0.5607   0.4980
  -0.500   0.0903   0.00821   0.00230  -0.0422   0.5602   0.4990
  -0.250   0.1202   0.00822   0.00231  -0.0429   0.5596   0.4999
   0.000   0.1500   0.00823   0.00232  -0.0435   0.5590   0.5007
   0.250   0.1799   0.00824   0.00233  -0.0442   0.5585   0.5014
   0.500   0.2097   0.00826   0.00235  -0.0449   0.5581   0.5020
   0.750   0.2396   0.00827   0.00237  -0.0455   0.5576   0.5026
   1.000   0.2694   0.00828   0.00240  -0.0462   0.5572   0.5033
   1.250   0.2991   0.00828   0.00243  -0.0468   0.5567   0.5043
   1.500   0.3289   0.00829   0.00247  -0.0475   0.5562   0.5053
   1.750   0.3586   0.00831   0.00251  -0.0481   0.5558   0.5063
   2.000   0.3884   0.00833   0.00256  -0.0488   0.5551   0.5073
   2.250   0.4181   0.00834   0.00261  -0.0494   0.5543   0.5083
   2.500   0.4477   0.00836   0.00265  -0.0500   0.5532   0.5092
   2.750   0.4773   0.00837   0.00269  -0.0506   0.5514   0.5100
   3.000   0.5066   0.00841   0.00273  -0.0512   0.5487   0.5108
   3.250   0.5360   0.00834   0.00273  -0.0517   0.5455   0.5117
   3.500   0.5653   0.00829   0.00272  -0.0522   0.5414   0.5125
   3.750   0.5945   0.00825   0.00271  -0.0527   0.5372   0.5135
   4.000   0.6235   0.00825   0.00272  -0.0531   0.5327   0.5144
   4.250   0.6531   0.00822   0.00275  -0.0537   0.5269   0.5153
   4.500   0.6817   0.00820   0.00274  -0.0541   0.5187   0.5161
   4.750   0.7109   0.00820   0.00278  -0.0545   0.5081   0.5167
   5.000   0.7391   0.00823   0.00281  -0.0549   0.4914   0.5172
   5.250   0.7568   0.00889   0.00309  -0.0534   0.4084   0.5178
   5.500   0.7708   0.00986   0.00368  -0.0515   0.3265   0.5188
   5.750   0.7870   0.01062   0.00418  -0.0500   0.2665   0.5197
   6.250   0.8229   0.01176   0.00501  -0.0475   0.1877   0.5216
   6.500   0.8399   0.01232   0.00543  -0.0460   0.1547   0.5226
   6.750   0.8535   0.01297   0.00591  -0.0441   0.1197   0.5236
   7.000   0.8687   0.01350   0.00635  -0.0423   0.0963   0.5246
   7.250   0.8838   0.01397   0.00676  -0.0405   0.0801   0.5255
   7.500   0.8955   0.01438   0.00713  -0.0380   0.0683   0.5264
   7.750   0.9067   0.01484   0.00756  -0.0356   0.0581   0.5272
   8.000   0.9195   0.01534   0.00805  -0.0335   0.0501   0.5281
   8.250   0.9317   0.01589   0.00859  -0.0315   0.0431   0.5289
   8.500   0.9430   0.01650   0.00919  -0.0294   0.0370   0.5296
   8.750   0.9555   0.01711   0.00981  -0.0277   0.0328   0.5304
   9.000   0.9664   0.01783   0.01053  -0.0259   0.0288   0.5311
   9.250   0.9779   0.01858   0.01130  -0.0244   0.0261   0.5317
   9.500   0.9879   0.01948   0.01221  -0.0228   0.0231   0.5323
   9.750   0.9992   0.02039   0.01316  -0.0217   0.0210   0.5330
  10.000   1.0095   0.02145   0.01424  -0.0205   0.0191   0.5341
  10.250   1.0212   0.02248   0.01532  -0.0197   0.0175   0.5352
  10.500   1.0332   0.02354   0.01642  -0.0189   0.0163   0.5364
  10.750   1.0434   0.02475   0.01766  -0.0181   0.0147   0.5377
  11.000   1.0552   0.02588   0.01883  -0.0174   0.0138   0.5388
  11.250   1.0669   0.02703   0.02003  -0.0168   0.0130   0.5399
  11.500   1.0763   0.02835   0.02136  -0.0161   0.0111   0.5409
  11.750   1.0876   0.02955   0.02261  -0.0155   0.0107   0.5420
  12.000   1.0990   0.03076   0.02386  -0.0149   0.0100   0.5430
  12.250   1.1095   0.03204   0.02518  -0.0144   0.0093   0.5439
  12.500   1.1200   0.03334   0.02651  -0.0138   0.0090   0.5449
  12.750   1.1294   0.03471   0.02790  -0.0133   0.0080   0.5458
  13.000   1.1398   0.03606   0.02930  -0.0128   0.0079   0.5466
  13.250   1.1499   0.03743   0.03071  -0.0124   0.0074   0.5475
  13.750   1.1694   0.04030   0.03369  -0.0117   0.0068   0.5497
  14.000   1.1782   0.04185   0.03529  -0.0113   0.0063   0.5510
  14.250   1.1868   0.04348   0.03698  -0.0111   0.0060   0.5524
  14.500   1.1971   0.04499   0.03854  -0.0109   0.0057   0.5538
  14.750   1.2060   0.04666   0.04027  -0.0108   0.0057   0.5550
  15.000   1.2151   0.04834   0.04202  -0.0107   0.0054   0.5565
  15.250   1.2240   0.05007   0.04381  -0.0106   0.0052   0.5580
  15.500   1.2322   0.05191   0.04572  -0.0106   0.0050   0.5595
  15.750   1.2399   0.05381   0.04769  -0.0107   0.0048   0.5610
  16.000   1.2476   0.05578   0.04971  -0.0108   0.0046   0.5623
  16.500   1.2607   0.06007   0.05412  -0.0112   0.0041   0.5654
  16.750   1.2664   0.06238   0.05651  -0.0115   0.0040   0.5672
  17.000   1.2727   0.06464   0.05885  -0.0119   0.0038   0.5690
  17.250   1.2783   0.06706   0.06135  -0.0124   0.0037   0.5708
  17.500   1.2827   0.06965   0.06402  -0.0129   0.0035   0.5727
  17.750   1.2871   0.07230   0.06675  -0.0135   0.0033   0.5745
  18.000   1.2902   0.07518   0.06970  -0.0143   0.0032   0.5764
  18.250   1.2924   0.07820   0.07281  -0.0151   0.0031   0.5779
  18.750   1.2947   0.08479   0.07958  -0.0173   0.0028   0.5819
  19.000   1.2945   0.08840   0.08329  -0.0186   0.0027   0.5842
  19.250   1.2943   0.09204   0.08702  -0.0200   0.0026   0.5865
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