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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 200,000
Max Cl/Cd: 55.62 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s819-nr-200000.txt
Download as CSV file: xf-s819-nr-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.8651   0.09469   0.08913  -0.0604   1.0000   0.0341
 -15.500  -0.8866   0.09131   0.08559  -0.0615   1.0000   0.0343
 -15.250  -0.9081   0.08826   0.08238  -0.0623   1.0000   0.0344
 -15.000  -0.9273   0.08543   0.07940  -0.0627   1.0000   0.0345
 -14.750  -0.9506   0.08314   0.07694  -0.0628   1.0000   0.0347
 -14.500  -0.8891   0.07661   0.07053  -0.0620   1.0000   0.0380
 -14.250  -0.8859   0.07401   0.06787  -0.0618   1.0000   0.0393
 -14.000  -0.8935   0.07150   0.06524  -0.0618   1.0000   0.0408
 -13.750  -0.9045   0.06930   0.06289  -0.0616   1.0000   0.0416
 -13.500  -0.9210   0.06735   0.06079  -0.0610   1.0000   0.0423
 -13.250  -0.9483   0.06598   0.05925  -0.0598   1.0000   0.0429
 -13.000  -0.9699   0.06491   0.05804  -0.0579   1.0000   0.0432
 -12.750  -1.0019   0.06452   0.05752  -0.0542   1.0000   0.0435
 -12.500  -1.0264   0.06414   0.05703  -0.0496   1.0000   0.0436
 -12.250  -1.0511   0.06406   0.05678  -0.0451   1.0000   0.0438
 -12.000  -0.8442   0.05261   0.04591  -0.0563   1.0000   0.0741
 -11.750  -0.7932   0.05228   0.04571  -0.0539   1.0000   0.0840
 -11.500  -0.7705   0.05176   0.04518  -0.0522   1.0000   0.0873
 -11.250  -0.7600   0.05060   0.04395  -0.0510   1.0000   0.0892
 -11.000  -0.7383   0.05024   0.04354  -0.0493   1.0000   0.0899
 -10.750  -0.6237   0.05927   0.05295  -0.0411   1.0000   0.0855
 -10.500  -0.6099   0.05799   0.05146  -0.0406   1.0000   0.0787
 -10.250  -0.5775   0.05894   0.05228  -0.0387   1.0000   0.0664
 -10.000  -0.5443   0.06025   0.05350  -0.0364   1.0000   0.0550
  -9.750  -0.5052   0.06314   0.05643  -0.0328   1.0000   0.0459
  -9.500  -0.4832   0.06382   0.05716  -0.0306   1.0000   0.0412
  -9.250  -0.4671   0.06358   0.05683  -0.0289   1.0000   0.0365
  -9.000  -0.4634   0.06135   0.05451  -0.0287   1.0000   0.0353
  -8.750  -0.4421   0.06326   0.05663  -0.0251   1.0000   0.0326
  -8.500  -0.4318   0.06298   0.05640  -0.0233   1.0000   0.0310
  -8.250  -0.4228   0.06241   0.05584  -0.0215   1.0000   0.0294
  -8.000  -0.4187   0.06109   0.05449  -0.0201   1.0000   0.0285
  -7.750  -0.4167   0.05970   0.05310  -0.0186   1.0000   0.0280
  -7.500  -0.4199   0.05850   0.05197  -0.0164   1.0000   0.0277
  -7.250  -0.4340   0.05625   0.04973  -0.0142   1.0000   0.0276
  -7.000  -0.4550   0.05379   0.04729  -0.0114   1.0000   0.0274
  -6.750  -0.4816   0.05154   0.04504  -0.0077   1.0000   0.0275
  -6.500  -0.4838   0.04602   0.03940  -0.0136   0.9933   0.0273
  -6.250  -0.4852   0.03926   0.03243  -0.0218   0.9828   0.0272
  -6.000  -0.4866   0.03323   0.02616  -0.0289   0.9678   0.0269
  -5.750  -0.4845   0.02823   0.02089  -0.0351   0.9500   0.0268
  -5.500  -0.4625   0.02484   0.01720  -0.0411   0.9367   0.0269
  -5.250  -0.4269   0.02307   0.01519  -0.0456   0.9295   0.0275
  -5.000  -0.4002   0.02155   0.01342  -0.0476   0.9178   0.0300
  -4.750  -0.3571   0.02047   0.01215  -0.0516   0.9136   0.0318
  -4.500  -0.3274   0.01975   0.01130  -0.0526   0.9018   0.0334
  -4.250  -0.2933   0.01905   0.01051  -0.0542   0.8918   0.0396
  -4.000  -0.2732   0.01583   0.00810  -0.0571   0.8801   0.2851
  -3.750  -0.2343   0.01598   0.00836  -0.0597   0.8692   0.3306
  -3.500  -0.1978   0.01707   0.00952  -0.0610   0.8555   0.3536
  -3.250  -0.1598   0.01902   0.01178  -0.0615   0.8412   0.3714
  -3.000  -0.1269   0.01922   0.01189  -0.0623   0.8260   0.3765
  -2.750  -0.0976   0.01878   0.01125  -0.0631   0.8101   0.3781
  -2.500  -0.0694   0.01844   0.01070  -0.0636   0.7942   0.3797
  -2.250  -0.0417   0.01805   0.01022  -0.0638   0.7787   0.3812
  -2.000  -0.0141   0.01782   0.00994  -0.0639   0.7637   0.3826
  -1.750   0.0133   0.01766   0.00972  -0.0639   0.7491   0.3839
  -1.500   0.0407   0.01752   0.00951  -0.0640   0.7353   0.3854
  -1.250   0.0681   0.01738   0.00928  -0.0641   0.7219   0.3871
  -1.000   0.0947   0.01723   0.00906  -0.0640   0.7079   0.3890
  -0.750   0.1213   0.01708   0.00883  -0.0641   0.6945   0.3911
  -0.500   0.1483   0.01694   0.00858  -0.0642   0.6818   0.3933
  -0.250   0.1758   0.01684   0.00833  -0.0644   0.6697   0.3954
   0.000   0.2029   0.01666   0.00813  -0.0644   0.6580   0.3974
   0.250   0.2292   0.01658   0.00810  -0.0643   0.6453   0.3994
   0.500   0.2562   0.01655   0.00808  -0.0643   0.6337   0.4017
   0.750   0.2839   0.01654   0.00801  -0.0644   0.6232   0.4043
   1.000   0.3109   0.01649   0.00792  -0.0644   0.6116   0.4073
   1.250   0.3382   0.01647   0.00782  -0.0646   0.6002   0.4106
   1.500   0.3653   0.01640   0.00776  -0.0646   0.5901   0.4133
   1.750   0.3921   0.01642   0.00784  -0.0645   0.5795   0.4163
   2.000   0.4191   0.01647   0.00793  -0.0645   0.5693   0.4199
   2.250   0.4474   0.01654   0.00790  -0.0648   0.5602   0.4242
   2.500   0.4739   0.01651   0.00791  -0.0647   0.5495   0.4280
   2.750   0.5008   0.01657   0.00804  -0.0647   0.5402   0.4314
   3.000   0.5280   0.01664   0.00814  -0.0647   0.5311   0.4355
   3.250   0.5555   0.01674   0.00824  -0.0648   0.5223   0.4404
   3.500   0.5831   0.01679   0.00830  -0.0650   0.5139   0.4446
   3.750   0.6093   0.01689   0.00853  -0.0648   0.5049   0.4488
   4.000   0.6375   0.01704   0.00865  -0.0650   0.4974   0.4542
   4.250   0.6641   0.01714   0.00883  -0.0650   0.4891   0.4595
   4.500   0.6916   0.01728   0.00903  -0.0651   0.4818   0.4641
   4.750   0.7179   0.01744   0.00929  -0.0650   0.4737   0.4701
   5.000   0.7456   0.01757   0.00942  -0.0651   0.4661   0.4760
   5.250   0.7708   0.01771   0.00972  -0.0647   0.4575   0.4815
   5.500   0.7984   0.01788   0.00987  -0.0648   0.4498   0.4886
   5.750   0.8230   0.01800   0.01016  -0.0644   0.4412   0.4942
   6.000   0.8501   0.01817   0.01034  -0.0643   0.4334   0.5009
   6.250   0.8743   0.01829   0.01060  -0.0638   0.4246   0.5076
   6.500   0.9012   0.01847   0.01081  -0.0637   0.4169   0.5138
   6.750   0.9244   0.01860   0.01108  -0.0631   0.4077   0.5215
   7.000   0.9495   0.01875   0.01131  -0.0627   0.3995   0.5276
   7.250   0.9723   0.01887   0.01158  -0.0619   0.3900   0.5354
   7.500   0.9960   0.01904   0.01186  -0.0613   0.3814   0.5425
   7.750   1.0189   0.01920   0.01211  -0.0605   0.3721   0.5509
   8.000   1.0404   0.01936   0.01243  -0.0595   0.3623   0.5586
   8.250   1.0624   0.01956   0.01268  -0.0586   0.3524   0.5675
   8.500   1.0816   0.01970   0.01300  -0.0573   0.3414   0.5755
   8.750   1.1003   0.01990   0.01333  -0.0558   0.3294   0.5850
   9.000   1.1173   0.02010   0.01367  -0.0541   0.3168   0.5932
   9.250   1.1329   0.02037   0.01400  -0.0523   0.3026   0.6033
   9.500   1.1451   0.02064   0.01441  -0.0498   0.2869   0.6121
   9.750   1.1536   0.02097   0.01483  -0.0468   0.2689   0.6219
  10.000   1.1600   0.02153   0.01543  -0.0437   0.2479   0.6320
  10.250   1.1648   0.02228   0.01620  -0.0406   0.2218   0.6416
  10.500   1.1654   0.02339   0.01723  -0.0373   0.1956   0.6524
  10.750   1.1623   0.02479   0.01856  -0.0339   0.1744   0.6621
  11.000   1.1610   0.02628   0.02004  -0.0311   0.1557   0.6725
  11.250   1.1592   0.02794   0.02170  -0.0286   0.1407   0.6842
  11.500   1.1570   0.02975   0.02354  -0.0264   0.1286   0.6960
  12.000   1.1530   0.03376   0.02770  -0.0230   0.1090   0.7218
  12.250   1.1512   0.03597   0.03000  -0.0218   0.1011   0.7366
  12.500   1.1475   0.03844   0.03254  -0.0208   0.0943   0.7529
  12.750   1.1469   0.04079   0.03505  -0.0200   0.0878   0.7717
  13.000   1.1436   0.04343   0.03781  -0.0194   0.0823   0.7939
  13.250   1.1400   0.04602   0.04056  -0.0186   0.0770   0.8226
  13.500   1.1346   0.04823   0.04301  -0.0171   0.0727   0.8787
  13.750   1.1255   0.05112   0.04591  -0.0165   0.0687   1.0000
  14.000   1.1283   0.05406   0.04896  -0.0173   0.0641   1.0000
  14.250   1.1275   0.05736   0.05228  -0.0183   0.0600   1.0000
  14.500   1.1260   0.06066   0.05556  -0.0188   0.0561   1.0000
  14.750   1.1266   0.06397   0.05897  -0.0199   0.0524   1.0000
  15.000   1.1257   0.06744   0.06244  -0.0210   0.0494   1.0000
  15.250   1.1263   0.07064   0.06566  -0.0215   0.0463   1.0000
  15.500   1.1261   0.07427   0.06940  -0.0229   0.0434   1.0000
  15.750   1.1260   0.07785   0.07302  -0.0242   0.0411   1.0000
  16.000   1.1282   0.08088   0.07599  -0.0248   0.0385   1.0000
  16.250   1.1269   0.08488   0.08018  -0.0264   0.0366   1.0000
  16.500   1.1265   0.08874   0.08414  -0.0280   0.0346   1.0000
  16.750   1.1269   0.09241   0.08782  -0.0296   0.0329   1.0000
  17.000   1.1299   0.09551   0.09092  -0.0303   0.0310   1.0000
  17.250   1.1269   0.10000   0.09561  -0.0324   0.0298   1.0000
  17.500   1.1241   0.10450   0.10023  -0.0346   0.0283   1.0000
  17.750   1.1237   0.10854   0.10431  -0.0367   0.0270   1.0000
  18.000   1.1280   0.11143   0.10713  -0.0377   0.0254   1.0000
  18.250   1.1225   0.11653   0.11243  -0.0402   0.0246   1.0000
  18.500   1.1158   0.12197   0.11807  -0.0433   0.0238   1.0000
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