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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 93.38 at α=7.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s819-nr-1000000.txt
Download as CSV file: xf-s819-nr-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -0.6659   0.15136   0.14928  -0.0295   1.0000   0.0063
 -18.500  -0.6827   0.14402   0.14186  -0.0331   1.0000   0.0062
 -18.250  -0.7008   0.13689   0.13463  -0.0366   1.0000   0.0062
 -18.000  -0.7177   0.13033   0.12798  -0.0398   1.0000   0.0061
 -17.750  -0.7339   0.12417   0.12173  -0.0427   1.0000   0.0061
 -17.500  -0.7504   0.11821   0.11566  -0.0453   1.0000   0.0061
 -17.250  -0.7649   0.11287   0.11023  -0.0476   1.0000   0.0061
 -17.000  -0.7807   0.10751   0.10477  -0.0498   1.0000   0.0061
 -16.750  -0.7945   0.10262   0.09978  -0.0517   1.0000   0.0061
 -16.500  -0.8077   0.09800   0.09506  -0.0533   1.0000   0.0061
 -16.250  -0.8205   0.09364   0.09060  -0.0547   1.0000   0.0061
 -16.000  -0.8333   0.08942   0.08627  -0.0559   1.0000   0.0062
 -15.750  -0.8442   0.08560   0.08236  -0.0569   1.0000   0.0062
 -15.500  -0.8548   0.08192   0.07857  -0.0576   1.0000   0.0062
 -15.250  -0.8636   0.07859   0.07515  -0.0580   1.0000   0.0062
 -15.000  -0.8710   0.07554   0.07200  -0.0583   1.0000   0.0062
 -14.750  -0.8776   0.07258   0.06895  -0.0583   1.0000   0.0063
 -14.500  -0.8823   0.06981   0.06608  -0.0582   1.0000   0.0064
 -14.250  -0.8855   0.06718   0.06336  -0.0578   1.0000   0.0064
 -14.000  -0.8862   0.06480   0.06089  -0.0573   1.0000   0.0066
 -13.750  -0.8870   0.06249   0.05850  -0.0567   1.0000   0.0066
 -13.500  -0.8864   0.06044   0.05635  -0.0560   1.0000   0.0067
 -13.250  -0.8843   0.05861   0.05442  -0.0550   1.0000   0.0069
 -13.000  -0.8816   0.05687   0.05259  -0.0540   1.0000   0.0069
 -12.750  -0.8908   0.05531   0.05090  -0.0528   1.0000   0.0071
 -12.500  -0.8853   0.05359   0.04911  -0.0517   1.0000   0.0071
 -12.250  -0.8865   0.05200   0.04742  -0.0504   1.0000   0.0071
 -12.000  -0.8858   0.05053   0.04587  -0.0490   1.0000   0.0071
 -11.750  -0.8833   0.04904   0.04429  -0.0475   1.0000   0.0072
 -11.500  -0.8728   0.04762   0.04282  -0.0462   1.0000   0.0072
 -11.250  -0.8662   0.04623   0.04135  -0.0446   1.0000   0.0072
 -11.000  -0.8526   0.04495   0.04003  -0.0433   1.0000   0.0072
 -10.750  -0.7241   0.04648   0.04179  -0.0414   1.0000   0.0076
 -10.500  -0.7008   0.04642   0.04178  -0.0395   1.0000   0.0078
 -10.250  -0.6813   0.04626   0.04165  -0.0376   1.0000   0.0079
 -10.000  -0.6634   0.04612   0.04153  -0.0356   1.0000   0.0082
  -9.750  -0.6454   0.04582   0.04124  -0.0341   0.9999   0.0084
  -9.500  -0.6138   0.04553   0.04095  -0.0348   0.9990   0.0089
  -9.250  -0.5897   0.04373   0.03906  -0.0376   0.9975   0.0096
  -9.000  -0.5681   0.04156   0.03679  -0.0412   0.9958   0.0098
  -8.750  -0.5200   0.04485   0.04027  -0.0372   0.9953   0.0104
  -8.500  -0.4902   0.04446   0.03995  -0.0387   0.9940   0.0107
  -8.250  -0.4677   0.04358   0.03910  -0.0397   0.9916   0.0111
  -8.000  -0.4452   0.04218   0.03772  -0.0418   0.9891   0.0118
  -7.750  -0.4193   0.04015   0.03560  -0.0452   0.9869   0.0129
  -7.500  -0.3996   0.03845   0.03394  -0.0479   0.9847   0.0138
  -7.250  -0.3921   0.03568   0.03118  -0.0502   0.9802   0.0143
  -7.000  -0.3809   0.03256   0.02804  -0.0537   0.9753   0.0148
  -6.750  -0.3517   0.03066   0.02608  -0.0577   0.9726   0.0175
  -6.500  -0.3592   0.02537   0.02069  -0.0623   0.9607   0.0181
  -6.250  -0.3622   0.02106   0.01627  -0.0654   0.9410   0.0187
  -6.000  -0.3625   0.01793   0.01296  -0.0667   0.9013   0.0192
  -5.750  -0.3637   0.01587   0.01058  -0.0666   0.8502   0.0201
  -5.250  -0.3428   0.01383   0.00798  -0.0637   0.7927   0.0086
  -5.000  -0.3250   0.01313   0.00706  -0.0629   0.7717   0.0076
  -4.750  -0.3037   0.01262   0.00641  -0.0625   0.7529   0.0075
  -4.500  -0.2807   0.01220   0.00586  -0.0622   0.7354   0.0076
  -4.250  -0.2565   0.01185   0.00542  -0.0620   0.7196   0.0084
  -4.000  -0.2312   0.01161   0.00509  -0.0620   0.7044   0.0093
  -3.500  -0.1791   0.01117   0.00448  -0.0620   0.6760   0.0114
  -3.250  -0.1521   0.01102   0.00426  -0.0622   0.6633   0.0140
  -3.000  -0.1347   0.00879   0.00272  -0.0627   0.6518   0.2702
  -2.750  -0.1073   0.00862   0.00268  -0.0630   0.6396   0.3016
  -2.500  -0.0790   0.00865   0.00269  -0.0633   0.6269   0.3116
  -2.250  -0.0503   0.00867   0.00271  -0.0636   0.6153   0.3165
  -2.000  -0.0217   0.00871   0.00269  -0.0639   0.6045   0.3187
  -1.500   0.0355   0.00873   0.00261  -0.0644   0.5829   0.3202
  -1.250   0.0638   0.00869   0.00254  -0.0647   0.5723   0.3220
  -0.750   0.1209   0.00864   0.00245  -0.0653   0.5511   0.3260
  -0.500   0.1494   0.00865   0.00243  -0.0656   0.5416   0.3277
  -0.250   0.1781   0.00865   0.00242  -0.0659   0.5317   0.3294
   0.000   0.2068   0.00867   0.00241  -0.0662   0.5226   0.3312
   0.500   0.2640   0.00873   0.00242  -0.0668   0.5034   0.3343
   0.750   0.2924   0.00876   0.00242  -0.0670   0.4941   0.3363
   1.000   0.3211   0.00875   0.00242  -0.0674   0.4851   0.3395
   1.250   0.3496   0.00877   0.00245  -0.0676   0.4767   0.3422
   1.500   0.3782   0.00881   0.00248  -0.0679   0.4680   0.3449
   1.750   0.4067   0.00886   0.00252  -0.0682   0.4599   0.3476
   2.000   0.4350   0.00893   0.00257  -0.0684   0.4511   0.3496
   2.250   0.4636   0.00894   0.00260  -0.0687   0.4429   0.3536
   2.500   0.4917   0.00899   0.00266  -0.0689   0.4346   0.3574
   2.750   0.5203   0.00904   0.00272  -0.0691   0.4274   0.3608
   3.000   0.5484   0.00912   0.00279  -0.0693   0.4197   0.3639
   3.250   0.5768   0.00917   0.00286  -0.0695   0.4125   0.3678
   3.500   0.6048   0.00923   0.00294  -0.0697   0.4043   0.3720
   3.750   0.6329   0.00930   0.00303  -0.0698   0.3959   0.3761
   4.000   0.6603   0.00943   0.00312  -0.0699   0.3865   0.3794
   4.250   0.6885   0.00948   0.00321  -0.0701   0.3786   0.3842
   4.750   0.7439   0.00966   0.00343  -0.0703   0.3628   0.3932
   5.000   0.7709   0.00980   0.00356  -0.0702   0.3550   0.3970
   5.250   0.7989   0.00986   0.00367  -0.0704   0.3478   0.4020
   5.750   0.8533   0.01010   0.00394  -0.0704   0.3326   0.4106
   6.000   0.8801   0.01023   0.00409  -0.0704   0.3253   0.4158
   6.250   0.9074   0.01033   0.00425  -0.0704   0.3185   0.4210
   6.500   0.9339   0.01049   0.00441  -0.0702   0.3106   0.4255
   6.750   0.9607   0.01061   0.00457  -0.0702   0.3031   0.4309
   7.000   0.9867   0.01078   0.00476  -0.0700   0.2946   0.4365
   7.250   1.0129   0.01094   0.00494  -0.0698   0.2854   0.4415
   7.500   1.0381   0.01114   0.00516  -0.0695   0.2742   0.4474
   7.750   1.0627   0.01138   0.00539  -0.0691   0.2603   0.4534
   8.000   1.0862   0.01167   0.00564  -0.0685   0.2416   0.4587
   8.250   1.1062   0.01215   0.00601  -0.0674   0.2120   0.4652
   8.500   1.1215   0.01288   0.00654  -0.0656   0.1757   0.4712
   8.750   1.1391   0.01345   0.00702  -0.0641   0.1524   0.4772
   9.000   1.1547   0.01403   0.00753  -0.0623   0.1319   0.4842
   9.250   1.1682   0.01458   0.00800  -0.0600   0.1134   0.4901
   9.500   1.1819   0.01513   0.00851  -0.0579   0.0986   0.4971
   9.750   1.1966   0.01568   0.00904  -0.0559   0.0870   0.5039
  10.000   1.2093   0.01632   0.00964  -0.0538   0.0743   0.5106
  10.250   1.2240   0.01688   0.01020  -0.0520   0.0669   0.5180
  10.500   1.2363   0.01755   0.01085  -0.0499   0.0583   0.5249
  10.750   1.2498   0.01817   0.01149  -0.0481   0.0517   0.5329
  11.000   1.2624   0.01884   0.01217  -0.0462   0.0462   0.5402
  11.250   1.2752   0.01951   0.01289  -0.0444   0.0423   0.5488
  11.500   1.2860   0.02031   0.01371  -0.0425   0.0375   0.5569
  11.750   1.2956   0.02119   0.01462  -0.0406   0.0333   0.5657
  12.000   1.3056   0.02209   0.01558  -0.0388   0.0299   0.5753
  12.250   1.3134   0.02316   0.01669  -0.0370   0.0265   0.5860
  12.500   1.3219   0.02426   0.01785  -0.0355   0.0239   0.5965
  12.750   1.3288   0.02552   0.01918  -0.0339   0.0216   0.6084
  13.000   1.3349   0.02692   0.02065  -0.0326   0.0194   0.6209
  13.250   1.3400   0.02848   0.02228  -0.0314   0.0173   0.6327
  13.500   1.3442   0.03020   0.02408  -0.0303   0.0158   0.6448
  13.750   1.3501   0.03190   0.02587  -0.0295   0.0147   0.6573
  14.000   1.3542   0.03382   0.02790  -0.0289   0.0137   0.6707
  14.250   1.3552   0.03612   0.03028  -0.0283   0.0123   0.6855
  14.500   1.3593   0.03825   0.03252  -0.0280   0.0116   0.7010
  14.750   1.3616   0.04062   0.03502  -0.0279   0.0111   0.7188
  15.000   1.3619   0.04328   0.03781  -0.0279   0.0104   0.7387
  15.250   1.3605   0.04623   0.04088  -0.0281   0.0097   0.7608
  15.500   1.3610   0.04905   0.04386  -0.0284   0.0092   0.7896
  15.750   1.3607   0.05188   0.04692  -0.0286   0.0088   0.8398
  16.000   1.3548   0.05467   0.05003  -0.0281   0.0084   1.0000
  16.250   1.3518   0.05825   0.05368  -0.0290   0.0079   1.0000
  16.500   1.3478   0.06206   0.05756  -0.0300   0.0075   1.0000
  16.750   1.3440   0.06595   0.06153  -0.0312   0.0070   1.0000
  17.000   1.3416   0.06977   0.06543  -0.0325   0.0068   1.0000
  17.250   1.3390   0.07368   0.06943  -0.0338   0.0064   1.0000
  17.500   1.3345   0.07794   0.07378  -0.0354   0.0062   1.0000
  17.750   1.3292   0.08241   0.07832  -0.0372   0.0058   1.0000
  18.000   1.3228   0.08712   0.08311  -0.0391   0.0056   1.0000
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