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NREL's S818 Airfoil (s818-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NREL's S818 Airfoil (s818-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 105.85 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s818-nr-1000000.txt
Download as CSV file: xf-s818-nr-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S818 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
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.7526   0.08924   0.08521  -0.0372   1.0000   0.0546
 -14.250  -0.7493   0.08733   0.08335  -0.0370   1.0000   0.0605
 -14.000  -0.7445   0.08532   0.08137  -0.0371   0.9999   0.0659
 -13.750  -0.7194   0.08180   0.07787  -0.0432   0.9973   0.0743
 -13.500  -0.7022   0.07837   0.07452  -0.0480   0.9951   0.0872
 -13.250  -0.6929   0.07418   0.07045  -0.0530   0.9935   0.1067
 -13.000  -0.7046   0.06843   0.06483  -0.0569   0.9914   0.1316
 -12.750  -0.7419   0.06049   0.05703  -0.0605   0.9876   0.1615
 -12.500  -0.7785   0.05268   0.04925  -0.0647   0.9849   0.1824
 -12.250  -0.8184   0.04441   0.04094  -0.0699   0.9825   0.1966
 -12.000  -0.8572   0.03794   0.03440  -0.0721   0.9779   0.2041
 -11.750  -0.8933   0.03191   0.02827  -0.0742   0.9715   0.2099
 -11.500  -0.9215   0.02624   0.02248  -0.0773   0.9655   0.2159
 -11.250  -0.9583   0.01869   0.01483  -0.0825   0.9551   0.2313
 -11.000  -0.9433   0.01336   0.00960  -0.0926   0.9470   0.2947
 -10.750  -0.9047   0.01298   0.00923  -0.0956   0.9450   0.3048
 -10.500  -0.8653   0.01278   0.00895  -0.0983   0.9435   0.3096
 -10.250  -0.8265   0.01257   0.00875  -0.1010   0.9425   0.3139
 -10.000  -0.7874   0.01252   0.00867  -0.1035   0.9416   0.3172
  -9.750  -0.7482   0.01244   0.00856  -0.1060   0.9409   0.3197
  -9.500  -0.7082   0.01232   0.00838  -0.1087   0.9403   0.3213
  -9.250  -0.6961   0.01219   0.00820  -0.1059   0.9315   0.3221
  -9.000  -0.6607   0.01190   0.00789  -0.1078   0.9291   0.3250
  -8.750  -0.6236   0.01176   0.00776  -0.1098   0.9272   0.3273
  -8.500  -0.6029   0.01169   0.00768  -0.1085   0.9193   0.3286
  -8.250  -0.5746   0.01152   0.00751  -0.1088   0.9133   0.3297
  -8.000  -0.5490   0.01137   0.00733  -0.1085   0.9043   0.3305
  -7.500  -0.4710   0.01099   0.00688  -0.1131   0.8878   0.3328
  -7.250  -0.4130   0.01076   0.00657  -0.1194   0.8776   0.3338
  -7.000  -0.3440   0.01053   0.00619  -0.1281   0.8576   0.3341
  -6.750  -0.3045   0.01047   0.00592  -0.1308   0.8205   0.3343
  -6.500  -0.2803   0.01049   0.00573  -0.1303   0.7829   0.3346
  -6.250  -0.2581   0.01049   0.00557  -0.1294   0.7512   0.3348
  -6.000  -0.2353   0.01048   0.00541  -0.1287   0.7243   0.3351
  -5.750  -0.2114   0.01046   0.00526  -0.1282   0.7005   0.3353
  -5.500  -0.1870   0.01044   0.00512  -0.1278   0.6791   0.3356
  -5.250  -0.1617   0.01042   0.00498  -0.1275   0.6596   0.3358
  -5.000  -0.1357   0.01039   0.00486  -0.1274   0.6416   0.3361
  -4.750  -0.1093   0.01037   0.00474  -0.1274   0.6247   0.3363
  -4.250  -0.0550   0.01034   0.00453  -0.1276   0.5941   0.3367
  -4.000  -0.0273   0.01032   0.00444  -0.1278   0.5805   0.3369
  -3.750   0.0004   0.01032   0.00437  -0.1279   0.5679   0.3372
  -3.500   0.0280   0.01034   0.00430  -0.1281   0.5555   0.3374
  -3.250   0.0565   0.01021   0.00412  -0.1285   0.5440   0.3382
  -3.000   0.0849   0.01011   0.00397  -0.1289   0.5333   0.3393
  -2.500   0.1419   0.01003   0.00380  -0.1296   0.5129   0.3409
  -2.250   0.1702   0.01003   0.00375  -0.1299   0.5038   0.3416
  -2.000   0.1992   0.01002   0.00371  -0.1303   0.4958   0.3422
  -1.750   0.2273   0.01005   0.00369  -0.1305   0.4876   0.3429
  -1.500   0.2564   0.01004   0.00367  -0.1309   0.4811   0.3436
  -1.250   0.2847   0.01007   0.00366  -0.1312   0.4742   0.3442
  -1.000   0.3133   0.01009   0.00366  -0.1315   0.4682   0.3449
  -0.750   0.3421   0.01010   0.00365  -0.1318   0.4626   0.3456
  -0.500   0.3702   0.01014   0.00366  -0.1320   0.4570   0.3463
  -0.250   0.3986   0.01018   0.00367  -0.1322   0.4521   0.3471
   0.000   0.4274   0.01018   0.00368  -0.1325   0.4480   0.3478
   0.250   0.4559   0.01022   0.00370  -0.1328   0.4437   0.3486
   0.500   0.4838   0.01028   0.00373  -0.1329   0.4393   0.3493
   0.750   0.5119   0.01033   0.00376  -0.1331   0.4356   0.3500
   1.000   0.5408   0.01034   0.00379  -0.1334   0.4326   0.3507
   1.250   0.5691   0.01038   0.00382  -0.1336   0.4293   0.3513
   1.500   0.5971   0.01044   0.00387  -0.1337   0.4261   0.3518
   1.750   0.6247   0.01053   0.00393  -0.1337   0.4230   0.3523
   2.000   0.6523   0.01061   0.00399  -0.1338   0.4196   0.3530
   2.250   0.6821   0.01057   0.00399  -0.1343   0.4179   0.3548
   2.500   0.7111   0.01057   0.00403  -0.1347   0.4160   0.3564
   2.750   0.7398   0.01061   0.00409  -0.1350   0.4140   0.3577
   3.000   0.7681   0.01067   0.00417  -0.1352   0.4118   0.3589
   3.250   0.7961   0.01074   0.00426  -0.1353   0.4098   0.3601
   3.500   0.8237   0.01084   0.00437  -0.1353   0.4076   0.3612
   3.750   0.8511   0.01096   0.00449  -0.1353   0.4052   0.3624
   4.000   0.8789   0.01111   0.00464  -0.1354   0.4028   0.3635
   4.250   0.9071   0.01117   0.00474  -0.1356   0.4017   0.3647
   4.500   0.9352   0.01124   0.00485  -0.1357   0.4003   0.3658
   4.750   0.9631   0.01133   0.00496  -0.1358   0.3988   0.3667
   5.000   0.9909   0.01142   0.00509  -0.1358   0.3973   0.3675
   5.250   1.0184   0.01153   0.00522  -0.1358   0.3959   0.3681
   5.500   1.0471   0.01159   0.00532  -0.1361   0.3944   0.3706
   5.750   1.0750   0.01169   0.00546  -0.1363   0.3929   0.3727
   6.000   1.1020   0.01182   0.00562  -0.1362   0.3907   0.3745
   6.250   1.1282   0.01204   0.00583  -0.1360   0.3858   0.3761
   6.500   1.1534   0.01200   0.00587  -0.1355   0.3807   0.3778
   6.750   1.1787   0.01209   0.00596  -0.1351   0.3753   0.3795
   7.000   1.2035   0.01228   0.00615  -0.1347   0.3713   0.3810
   7.250   1.2294   0.01243   0.00633  -0.1344   0.3684   0.3824
   7.500   1.2561   0.01249   0.00645  -0.1342   0.3653   0.3835
   7.750   1.2823   0.01259   0.00659  -0.1340   0.3614   0.3850
   8.000   1.3077   0.01272   0.00675  -0.1337   0.3576   0.3878
   8.250   1.3310   0.01295   0.00700  -0.1330   0.3528   0.3901
   8.500   1.3580   0.01300   0.00714  -0.1329   0.3490   0.3922
   8.750   1.3830   0.01314   0.00732  -0.1325   0.3434   0.3942
   9.000   1.4052   0.01340   0.00756  -0.1317   0.3369   0.3962
   9.250   1.4311   0.01352   0.00775  -0.1314   0.3307   0.3980
   9.500   1.4526   0.01380   0.00801  -0.1304   0.3210   0.3995
   9.750   1.4742   0.01409   0.00828  -0.1295   0.3067   0.4013
  10.000   1.4902   0.01465   0.00874  -0.1277   0.2791   0.4044
  10.250   1.4930   0.01590   0.00972  -0.1241   0.2341   0.4064
  10.500   1.4951   0.01717   0.01080  -0.1204   0.2007   0.4084
  10.750   1.4973   0.01846   0.01193  -0.1169   0.1710   0.4104
  11.000   1.4997   0.01974   0.01309  -0.1136   0.1471   0.4123
  11.250   1.5021   0.02105   0.01430  -0.1104   0.1276   0.4142
  11.500   1.5049   0.02238   0.01556  -0.1074   0.1123   0.4158
  11.750   1.5085   0.02373   0.01688  -0.1048   0.0997   0.4178
  12.000   1.5134   0.02510   0.01824  -0.1025   0.0900   0.4211
  12.250   1.5168   0.02662   0.01977  -0.1003   0.0816   0.4237
  12.500   1.5198   0.02827   0.02142  -0.0982   0.0746   0.4263
  12.750   1.5239   0.02994   0.02313  -0.0965   0.0689   0.4288
  13.000   1.5245   0.03197   0.02517  -0.0947   0.0633   0.4310
  13.250   1.5276   0.03395   0.02719  -0.0933   0.0589   0.4329
  13.500   1.5276   0.03635   0.02962  -0.0921   0.0544   0.4360
  13.750   1.5284   0.03880   0.03213  -0.0912   0.0506   0.4393
  14.000   1.5284   0.04147   0.03485  -0.0904   0.0472   0.4423
  14.250   1.5250   0.04460   0.03802  -0.0898   0.0439   0.4452
  14.500   1.5257   0.04743   0.04092  -0.0895   0.0417   0.4480
  14.750   1.5228   0.05074   0.04428  -0.0893   0.0393   0.4503
  15.000   1.5179   0.05443   0.04804  -0.0893   0.0368   0.4541
  15.250   1.5172   0.05773   0.05144  -0.0895   0.0353   0.4581
  15.500   1.5146   0.06133   0.05511  -0.0898   0.0337   0.4618
  15.750   1.5095   0.06527   0.05912  -0.0902   0.0321   0.4650
  16.000   1.5035   0.06943   0.06334  -0.0907   0.0304   0.4679
  16.250   1.5033   0.07297   0.06698  -0.0913   0.0294   0.4727
  16.500   1.5017   0.07671   0.07079  -0.0920   0.0282   0.4770
  16.750   1.4984   0.08070   0.07485  -0.0928   0.0270   0.4809
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