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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 84.13 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s819-nr-1000000-n5.txt
Download as CSV file: xf-s819-nr-1000000-n5.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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -0.7546   0.11660   0.11383  -0.0458   1.0000   0.0049
 -17.250  -0.7666   0.11183   0.10898  -0.0478   1.0000   0.0049
 -17.000  -0.7816   0.10681   0.10385  -0.0498   1.0000   0.0049
 -16.750  -0.7938   0.10233   0.09927  -0.0515   1.0000   0.0049
 -16.500  -0.8059   0.09803   0.09488  -0.0529   1.0000   0.0049
 -16.250  -0.8176   0.09397   0.09072  -0.0542   1.0000   0.0049
 -16.000  -0.8293   0.08999   0.08664  -0.0552   1.0000   0.0049
 -15.750  -0.8395   0.08636   0.08291  -0.0560   1.0000   0.0049
 -15.500  -0.8496   0.08285   0.07930  -0.0566   1.0000   0.0049
 -15.250  -0.8580   0.07968   0.07603  -0.0570   1.0000   0.0049
 -15.000  -0.8643   0.07677   0.07304  -0.0572   1.0000   0.0049
 -14.750  -0.8715   0.07380   0.06998  -0.0572   1.0000   0.0049
 -14.500  -0.8772   0.07095   0.06703  -0.0571   1.0000   0.0049
 -14.250  -0.8803   0.06845   0.06445  -0.0568   1.0000   0.0049
 -14.000  -0.8839   0.06580   0.06170  -0.0562   1.0000   0.0049
 -13.750  -0.8848   0.06356   0.05938  -0.0557   1.0000   0.0049
 -13.500  -0.8844   0.06136   0.05710  -0.0549   1.0000   0.0049
 -13.250  -0.8810   0.05916   0.05482  -0.0541   1.0000   0.0049
 -13.000  -0.8761   0.05725   0.05284  -0.0532   1.0000   0.0049
 -12.750  -0.8678   0.05532   0.05083  -0.0521   1.0000   0.0049
 -12.500  -0.8478   0.05328   0.04872  -0.0531   0.9994   0.0049
 -12.250  -0.8235   0.05139   0.04677  -0.0539   0.9987   0.0049
 -12.000  -0.7993   0.04974   0.04504  -0.0546   0.9980   0.0050
 -10.500  -0.5811   0.05063   0.04608  -0.0472   0.9943   0.0044
 -10.250  -0.5529   0.05108   0.04655  -0.0462   0.9927   0.0042
 -10.000  -0.5211   0.05232   0.04784  -0.0446   0.9911   0.0038
  -9.750  -0.4860   0.05446   0.05003  -0.0425   0.9893   0.0033
  -9.500  -0.4671   0.05350   0.04907  -0.0432   0.9873   0.0032
  -9.250  -0.4519   0.05150   0.04706  -0.0450   0.9853   0.0032
  -9.000  -0.4360   0.04928   0.04481  -0.0474   0.9834   0.0031
  -8.750  -0.4375   0.04629   0.04178  -0.0481   0.9785   0.0032
  -8.500  -0.4233   0.04397   0.03944  -0.0503   0.9742   0.0031
  -8.250  -0.4197   0.04023   0.03564  -0.0536   0.9697   0.0031
  -8.000  -0.4185   0.03614   0.03146  -0.0571   0.9611   0.0031
  -7.750  -0.4185   0.03157   0.02677  -0.0614   0.9475   0.0031
  -7.500  -0.4090   0.02676   0.02172  -0.0679   0.8972   0.0031
  -7.250  -0.4229   0.02359   0.01815  -0.0670   0.8286   0.0031
  -7.000  -0.4279   0.02154   0.01590  -0.0655   0.7942   0.0031
  -6.750  -0.4488   0.01838   0.01249  -0.0635   0.7665   0.0032
  -6.500  -0.4593   0.01635   0.01026  -0.0618   0.7445   0.0032
  -6.250  -0.4507   0.01524   0.00898  -0.0609   0.7264   0.0033
  -6.000  -0.4340   0.01455   0.00816  -0.0603   0.7104   0.0033
  -5.750  -0.4144   0.01399   0.00748  -0.0599   0.6956   0.0034
  -5.500  -0.3924   0.01356   0.00696  -0.0596   0.6811   0.0036
  -5.250  -0.3694   0.01317   0.00647  -0.0595   0.6671   0.0037
  -5.000  -0.3452   0.01285   0.00607  -0.0594   0.6532   0.0040
  -4.750  -0.3204   0.01257   0.00571  -0.0594   0.6394   0.0044
  -4.250  -0.2688   0.01210   0.00510  -0.0595   0.6134   0.0050
  -4.000  -0.2425   0.01188   0.00481  -0.0597   0.6017   0.0055
  -3.750  -0.2158   0.01172   0.00459  -0.0598   0.5907   0.0060
  -3.500  -0.1887   0.01159   0.00442  -0.0600   0.5790   0.0072
  -3.250  -0.1613   0.01144   0.00422  -0.0603   0.5693   0.0089
  -3.000  -0.1339   0.01131   0.00404  -0.0605   0.5597   0.0128
  -2.750  -0.1146   0.00915   0.00261  -0.0614   0.5505   0.2740
  -2.500  -0.0864   0.00905   0.00256  -0.0617   0.5403   0.2905
  -2.250  -0.0580   0.00899   0.00250  -0.0621   0.5301   0.2979
  -2.000  -0.0292   0.00897   0.00246  -0.0625   0.5216   0.3017
  -1.500   0.0284   0.00897   0.00239  -0.0631   0.5044   0.3036
  -1.250   0.0570   0.00899   0.00236  -0.0634   0.4953   0.3044
  -1.000   0.0859   0.00899   0.00234  -0.0638   0.4862   0.3051
  -0.750   0.1145   0.00902   0.00232  -0.0641   0.4775   0.3058
  -0.500   0.1434   0.00901   0.00230  -0.0644   0.4693   0.3072
  -0.250   0.1721   0.00902   0.00229  -0.0648   0.4619   0.3090
   0.000   0.2009   0.00902   0.00228  -0.0651   0.4542   0.3106
   0.250   0.2296   0.00904   0.00229  -0.0654   0.4466   0.3123
   0.500   0.2583   0.00906   0.00230  -0.0657   0.4383   0.3140
   0.750   0.2869   0.00909   0.00231  -0.0660   0.4305   0.3156
   1.000   0.3157   0.00912   0.00233  -0.0663   0.4231   0.3173
   1.250   0.3441   0.00917   0.00237  -0.0666   0.4162   0.3189
   1.500   0.3730   0.00920   0.00240  -0.0669   0.4098   0.3202
   1.750   0.4014   0.00924   0.00243  -0.0672   0.4029   0.3227
   2.000   0.4301   0.00926   0.00248  -0.0675   0.3966   0.3252
   2.250   0.4585   0.00931   0.00253  -0.0677   0.3891   0.3278
   2.500   0.4869   0.00936   0.00258  -0.0679   0.3831   0.3305
   2.750   0.5155   0.00941   0.00264  -0.0682   0.3772   0.3329
   3.000   0.5436   0.00948   0.00272  -0.0684   0.3713   0.3350
   3.250   0.5721   0.00952   0.00279  -0.0686   0.3660   0.3382
   3.500   0.6003   0.00958   0.00287  -0.0688   0.3592   0.3416
   3.750   0.6281   0.00967   0.00296  -0.0690   0.3511   0.3450
   4.000   0.6557   0.00977   0.00306  -0.0690   0.3417   0.3482
   4.250   0.6834   0.00987   0.00316  -0.0692   0.3337   0.3516
   4.500   0.7107   0.00998   0.00327  -0.0692   0.3244   0.3558
   4.750   0.7385   0.01007   0.00339  -0.0693   0.3176   0.3598
   5.000   0.7657   0.01019   0.00351  -0.0693   0.3099   0.3631
   5.250   0.7930   0.01031   0.00365  -0.0694   0.3022   0.3662
   5.750   0.8468   0.01057   0.00394  -0.0693   0.2845   0.3743
   6.000   0.8732   0.01074   0.00410  -0.0692   0.2762   0.3779
   6.250   0.8997   0.01088   0.00426  -0.0691   0.2665   0.3813
   6.500   0.9257   0.01106   0.00445  -0.0689   0.2555   0.3856
   6.750   0.9507   0.01130   0.00466  -0.0686   0.2408   0.3899
   7.000   0.9747   0.01159   0.00490  -0.0681   0.2232   0.3937
   7.250   0.9962   0.01203   0.00524  -0.0672   0.1973   0.3975
   7.500   1.0163   0.01253   0.00564  -0.0661   0.1718   0.4020
   7.750   1.0363   0.01301   0.00604  -0.0650   0.1498   0.4064
   8.000   1.0563   0.01348   0.00644  -0.0639   0.1323   0.4103
   8.250   1.0756   0.01395   0.00686  -0.0627   0.1146   0.4148
   8.500   1.0931   0.01447   0.00731  -0.0612   0.0970   0.4201
   8.750   1.1100   0.01489   0.00770  -0.0595   0.0856   0.4248
   9.000   1.1261   0.01531   0.00811  -0.0577   0.0761   0.4304
   9.250   1.1410   0.01583   0.00860  -0.0557   0.0653   0.4359
   9.500   1.1562   0.01636   0.00911  -0.0539   0.0570   0.4410
   9.750   1.1728   0.01683   0.00961  -0.0523   0.0513   0.4462
  10.000   1.1858   0.01747   0.01022  -0.0503   0.0423   0.4517
  10.250   1.2009   0.01801   0.01079  -0.0487   0.0386   0.4569
  10.500   1.2138   0.01867   0.01145  -0.0468   0.0328   0.4621
  10.750   1.2253   0.01940   0.01218  -0.0448   0.0270   0.4679
  11.000   1.2370   0.02014   0.01294  -0.0429   0.0231   0.4732
  11.250   1.2497   0.02084   0.01370  -0.0413   0.0212   0.4791
  11.500   1.2597   0.02172   0.01460  -0.0394   0.0180   0.4855
  11.750   1.2686   0.02270   0.01563  -0.0376   0.0155   0.4909
  12.000   1.2781   0.02370   0.01669  -0.0360   0.0135   0.4988
  12.250   1.2864   0.02482   0.01787  -0.0345   0.0119   0.5072
  12.500   1.2953   0.02598   0.01909  -0.0332   0.0109   0.5150
  12.750   1.3027   0.02731   0.02049  -0.0319   0.0099   0.5246
  13.000   1.3100   0.02872   0.02199  -0.0309   0.0091   0.5355
  13.250   1.3149   0.03039   0.02374  -0.0299   0.0078   0.5435
  13.500   1.3206   0.03210   0.02552  -0.0291   0.0073   0.5524
  13.750   1.3262   0.03392   0.02743  -0.0285   0.0067   0.5606
  14.000   1.3316   0.03582   0.02942  -0.0280   0.0064   0.5687
  14.250   1.3329   0.03820   0.03189  -0.0277   0.0054   0.5776
  14.500   1.3362   0.04048   0.03425  -0.0275   0.0051   0.5854
  14.750   1.3397   0.04282   0.03670  -0.0275   0.0051   0.5949
  15.000   1.3416   0.04542   0.03939  -0.0277   0.0047   0.6044
  15.250   1.3421   0.04826   0.04234  -0.0280   0.0043   0.6134
  15.500   1.3417   0.05128   0.04545  -0.0285   0.0040   0.6220
  15.750   1.3401   0.05454   0.04881  -0.0291   0.0036   0.6327
  16.000   1.3394   0.05781   0.05219  -0.0299   0.0034   0.6417
  16.250   1.3382   0.06124   0.05573  -0.0308   0.0032   0.6536
  16.500   1.3356   0.06490   0.05950  -0.0319   0.0029   0.6662
  16.750   1.3316   0.06887   0.06360  -0.0332   0.0026   0.6786
  17.000   1.3287   0.07282   0.06766  -0.0345   0.0025   0.6905
  17.250   1.3245   0.07700   0.07196  -0.0361   0.0023   0.7038
  17.500   1.3211   0.08117   0.07626  -0.0377   0.0022   0.7180
  17.750   1.3165   0.08560   0.08083  -0.0395   0.0020   0.7339
  18.000   1.3131   0.08994   0.08531  -0.0414   0.0020   0.7535
  18.250   1.3074   0.09469   0.09022  -0.0435   0.0018   0.7777
  18.500   1.3018   0.09948   0.09519  -0.0457   0.0017   0.8120
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