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NREL's S811 Airfoil (s811-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NREL's S811 Airfoil (s811-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 99.52 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s811-nr-1000000.txt
Download as CSV file: xf-s811-nr-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S811 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.250  -0.6203   0.09782   0.09506  -0.0237   1.0000   0.2557
 -13.000  -0.6045   0.09718   0.09442  -0.0234   1.0000   0.2561
 -12.750  -1.3260   0.02575   0.02231  -0.0291   0.9983   0.3064
 -12.500  -1.3081   0.02328   0.01973  -0.0344   0.9945   0.3070
 -12.250  -1.2964   0.02065   0.01700  -0.0383   0.9903   0.3089
 -12.000  -1.2714   0.01945   0.01576  -0.0409   0.9863   0.3098
 -11.750  -1.2370   0.01850   0.01477  -0.0446   0.9833   0.3105
 -11.500  -1.1995   0.01776   0.01399  -0.0485   0.9812   0.3111
 -11.250  -1.1598   0.01720   0.01339  -0.0522   0.9796   0.3117
 -11.000  -1.1185   0.01671   0.01287  -0.0559   0.9783   0.3122
 -10.750  -1.0965   0.01621   0.01234  -0.0561   0.9727   0.3127
 -10.500  -1.0607   0.01576   0.01187  -0.0586   0.9692   0.3132
 -10.250  -1.0200   0.01533   0.01141  -0.0620   0.9666   0.3138
 -10.000  -0.9776   0.01491   0.01095  -0.0656   0.9638   0.3144
  -9.750  -0.9571   0.01453   0.01055  -0.0650   0.9533   0.3149
  -9.500  -0.9273   0.01416   0.01014  -0.0661   0.9418   0.3155
  -9.250  -0.8890   0.01376   0.00967  -0.0687   0.9118   0.3161
  -9.000  -0.8571   0.01368   0.00918  -0.0699   0.8065   0.3167
  -8.750  -0.8382   0.01367   0.00889  -0.0688   0.7405   0.3172
  -8.500  -0.8160   0.01361   0.00863  -0.0683   0.6950   0.3177
  -8.250  -0.7921   0.01351   0.00837  -0.0682   0.6582   0.3182
  -8.000  -0.7668   0.01340   0.00812  -0.0682   0.6287   0.3187
  -7.750  -0.7409   0.01329   0.00788  -0.0684   0.6032   0.3192
  -7.500  -0.7142   0.01319   0.00767  -0.0686   0.5810   0.3197
  -7.250  -0.6870   0.01312   0.00749  -0.0689   0.5615   0.3201
  -7.000  -0.6594   0.01303   0.00731  -0.0692   0.5446   0.3205
  -6.750  -0.6316   0.01296   0.00714  -0.0696   0.5294   0.3208
  -6.500  -0.6035   0.01289   0.00699  -0.0699   0.5156   0.3211
  -6.250  -0.5757   0.01269   0.00672  -0.0704   0.5042   0.3216
  -6.000  -0.5488   0.01238   0.00633  -0.0707   0.4924   0.3229
  -5.750  -0.5204   0.01217   0.00609  -0.0711   0.4840   0.3239
  -5.500  -0.4920   0.01205   0.00592  -0.0715   0.4750   0.3247
  -5.250  -0.4629   0.01195   0.00579  -0.0720   0.4683   0.3254
  -5.000  -0.4336   0.01186   0.00567  -0.0725   0.4621   0.3261
  -4.750  -0.4046   0.01181   0.00558  -0.0729   0.4556   0.3268
  -4.500  -0.3751   0.01175   0.00549  -0.0734   0.4505   0.3274
  -4.250  -0.3454   0.01168   0.00541  -0.0739   0.4466   0.3280
  -4.000  -0.3158   0.01163   0.00533  -0.0743   0.4423   0.3287
  -3.750  -0.2863   0.01159   0.00525  -0.0748   0.4379   0.3294
  -3.500  -0.2571   0.01158   0.00519  -0.0752   0.4329   0.3301
  -3.250  -0.2270   0.01151   0.00512  -0.0757   0.4307   0.3308
  -3.000  -0.1970   0.01145   0.00505  -0.0762   0.4283   0.3315
  -2.750  -0.1670   0.01140   0.00498  -0.0767   0.4256   0.3321
  -2.500  -0.1371   0.01136   0.00492  -0.0771   0.4228   0.3328
  -2.250  -0.1073   0.01133   0.00486  -0.0776   0.4199   0.3334
  -2.000  -0.0777   0.01133   0.00482  -0.0779   0.4166   0.3340
  -1.750  -0.0482   0.01135   0.00480  -0.0783   0.4131   0.3346
  -1.500  -0.0179   0.01131   0.00476  -0.0788   0.4118   0.3350
  -1.250   0.0124   0.01128   0.00473  -0.0793   0.4103   0.3355
  -1.000   0.0426   0.01128   0.00472  -0.0797   0.4087   0.3358
  -0.750   0.0726   0.01116   0.00459  -0.0802   0.4069   0.3369
  -0.500   0.1025   0.01101   0.00446  -0.0807   0.4052   0.3385
  -0.250   0.1325   0.01096   0.00441  -0.0811   0.4034   0.3397
   0.000   0.1624   0.01094   0.00440  -0.0815   0.4016   0.3406
   0.250   0.1923   0.01095   0.00440  -0.0818   0.3997   0.3415
   0.500   0.2220   0.01099   0.00444  -0.0822   0.3975   0.3423
   0.750   0.2516   0.01106   0.00450  -0.0825   0.3952   0.3431
   1.000   0.2815   0.01110   0.00455  -0.0828   0.3937   0.3440
   1.250   0.3118   0.01110   0.00457  -0.0832   0.3930   0.3448
   1.500   0.3420   0.01110   0.00459  -0.0836   0.3921   0.3457
   1.750   0.3721   0.01111   0.00462  -0.0839   0.3910   0.3465
   2.000   0.4023   0.01112   0.00465  -0.0843   0.3897   0.3474
   2.250   0.4323   0.01114   0.00468  -0.0846   0.3884   0.3482
   2.500   0.4623   0.01116   0.00471  -0.0849   0.3871   0.3489
   2.750   0.4923   0.01120   0.00476  -0.0852   0.3858   0.3496
   3.000   0.5222   0.01124   0.00481  -0.0855   0.3846   0.3502
   3.250   0.5520   0.01129   0.00487  -0.0857   0.3834   0.3507
   3.500   0.5817   0.01136   0.00494  -0.0859   0.3821   0.3512
   3.750   0.6114   0.01135   0.00494  -0.0862   0.3807   0.3525
   4.000   0.6411   0.01136   0.00497  -0.0865   0.3790   0.3544
   4.250   0.6706   0.01149   0.00511  -0.0868   0.3768   0.3559
   4.500   0.7003   0.01162   0.00527  -0.0870   0.3752   0.3570
   4.750   0.7301   0.01163   0.00533  -0.0873   0.3745   0.3580
   5.000   0.7597   0.01164   0.00539  -0.0874   0.3734   0.3591
   5.250   0.7892   0.01164   0.00543  -0.0876   0.3716   0.3601
   5.500   0.8186   0.01165   0.00548  -0.0877   0.3696   0.3611
   5.750   0.8479   0.01167   0.00553  -0.0878   0.3675   0.3622
   6.000   0.8769   0.01167   0.00554  -0.0878   0.3644   0.3632
   6.250   0.9052   0.01175   0.00560  -0.0877   0.3603   0.3642
   6.500   0.9336   0.01183   0.00570  -0.0877   0.3562   0.3651
   6.750   0.9630   0.01176   0.00567  -0.0878   0.3527   0.3658
   7.000   0.9920   0.01175   0.00570  -0.0878   0.3490   0.3665
   7.250   1.0205   0.01181   0.00577  -0.0877   0.3458   0.3671
   7.500   1.0481   0.01188   0.00583  -0.0875   0.3416   0.3681
   7.750   1.0768   0.01187   0.00587  -0.0876   0.3379   0.3705
   8.000   1.1062   0.01185   0.00591  -0.0877   0.3331   0.3723
   8.250   1.1339   0.01191   0.00599  -0.0875   0.3268   0.3738
   8.500   1.1609   0.01202   0.00611  -0.0872   0.3212   0.3752
   8.750   1.1891   0.01209   0.00622  -0.0870   0.3145   0.3764
   9.000   1.2148   0.01225   0.00637  -0.0866   0.3049   0.3777
   9.250   1.2400   0.01246   0.00654  -0.0860   0.2903   0.3789
   9.500   1.2607   0.01289   0.00685  -0.0848   0.2632   0.3801
   9.750   1.2741   0.01370   0.00745  -0.0825   0.2285   0.3810
  10.000   1.2861   0.01452   0.00810  -0.0801   0.1996   0.3819
  10.250   1.2936   0.01528   0.00873  -0.0768   0.1756   0.3827
  10.500   1.2996   0.01606   0.00939  -0.0734   0.1538   0.3833
  10.750   1.3059   0.01690   0.01013  -0.0702   0.1362   0.3838
  11.000   1.3129   0.01772   0.01088  -0.0672   0.1212   0.3844
  11.250   1.3199   0.01853   0.01165  -0.0645   0.1082   0.3864
  11.500   1.3255   0.01943   0.01252  -0.0617   0.0972   0.3883
  11.750   1.3296   0.02044   0.01350  -0.0589   0.0877   0.3898
  12.000   1.3329   0.02155   0.01461  -0.0562   0.0795   0.3912
  12.250   1.3349   0.02282   0.01589  -0.0538   0.0721   0.3925
  12.500   1.3354   0.02431   0.01739  -0.0515   0.0659   0.3937
  12.750   1.3330   0.02616   0.01925  -0.0496   0.0602   0.3947
  13.000   1.3293   0.02837   0.02148  -0.0481   0.0552   0.3957
  13.250   1.3249   0.03092   0.02407  -0.0472   0.0502   0.3966
  13.500   1.3191   0.03388   0.02707  -0.0467   0.0462   0.3975
  13.750   1.3104   0.03736   0.03060  -0.0466   0.0423   0.3983
  14.000   1.3019   0.04099   0.03428  -0.0468   0.0386   0.3990
  14.250   1.2929   0.04477   0.03812  -0.0471   0.0357   0.3997
  14.500   1.2831   0.04872   0.04211  -0.0476   0.0334   0.4003
  14.750   1.2752   0.05251   0.04596  -0.0481   0.0315   0.4008
  15.000   1.2663   0.05648   0.04998  -0.0488   0.0298   0.4013
  15.250   1.2576   0.06053   0.05408  -0.0496   0.0283   0.4017
  15.500   1.2538   0.06415   0.05777  -0.0504   0.0272   0.4031
  15.750   1.2509   0.06773   0.06140  -0.0513   0.0262   0.4049
  16.000   1.2464   0.07162   0.06535  -0.0524   0.0253   0.4065
  16.250   1.2429   0.07544   0.06924  -0.0535   0.0245   0.4079
  16.500   1.2437   0.07878   0.07265  -0.0545   0.0240   0.4094
  16.750   1.2451   0.08207   0.07599  -0.0555   0.0234   0.4108
  17.000   1.2445   0.08572   0.07970  -0.0567   0.0229   0.4122
  17.250   1.2453   0.08918   0.08321  -0.0578   0.0224   0.4137
  17.500   1.2442   0.09297   0.08706  -0.0592   0.0219   0.4150
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