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NREL's S825 Airfoil (s825-nr) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NREL's S825 Airfoil (s825-nr)
Reynolds number: 500,000
Max Cl/Cd: 97.39 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s825-nr-500000.txt
Download as CSV file: xf-s825-nr-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S825 Airfoil                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -12.000  -0.6641   0.06834   0.06522  -0.0618   1.0000   0.0108
 -11.750  -0.6829   0.06399   0.06077  -0.0622   1.0000   0.0105
 -11.500  -0.6983   0.06036   0.05704  -0.0623   1.0000   0.0103
 -11.250  -0.7587   0.05047   0.04641  -0.0608   1.0000   0.0086
 -11.000  -0.7662   0.04818   0.04395  -0.0593   1.0000   0.0084
 -10.750  -0.7724   0.04622   0.04186  -0.0574   1.0000   0.0084
 -10.500  -0.7619   0.04426   0.03976  -0.0585   0.9983   0.0083
 -10.250  -0.7401   0.04226   0.03760  -0.0608   0.9953   0.0083
 -10.000  -0.7163   0.04070   0.03591  -0.0626   0.9924   0.0082
  -9.750  -0.6942   0.03966   0.03472  -0.0612   0.9891   0.0084
  -9.500  -0.6684   0.03891   0.03391  -0.0617   0.9860   0.0085
  -9.250  -0.6398   0.03826   0.03319  -0.0632   0.9837   0.0085
  -9.000  -0.6256   0.03735   0.03226  -0.0628   0.9774   0.0086
  -8.750  -0.6042   0.03633   0.03124  -0.0643   0.9730   0.0090
  -8.500  -0.5728   0.03518   0.03007  -0.0679   0.9709   0.0096
  -8.250  -0.5603   0.03374   0.02861  -0.0681   0.9627   0.0101
  -8.000  -0.5289   0.03223   0.02704  -0.0720   0.9595   0.0109
  -7.750  -0.4936   0.02975   0.02454  -0.0791   0.9574   0.0121
  -7.500  -0.4764   0.02780   0.02258  -0.0812   0.9488   0.0134
  -7.250  -0.4345   0.02474   0.01946  -0.0905   0.9463   0.0159
  -7.000  -0.3842   0.02132   0.01598  -0.1019   0.9451   0.0220
  -6.750  -0.3279   0.01775   0.01233  -0.1144   0.9445   0.0339
  -6.500  -0.2760   0.01568   0.01028  -0.1230   0.9440   0.0565
  -6.250  -0.2437   0.01426   0.00895  -0.1262   0.9375   0.0928
  -6.000  -0.1856   0.01119   0.00649  -0.1372   0.9381   0.3070
  -5.750  -0.1498   0.01113   0.00641  -0.1388   0.9347   0.3423
  -5.500  -0.1119   0.01121   0.00644  -0.1406   0.9324   0.3557
  -5.250  -0.0731   0.01123   0.00642  -0.1426   0.9308   0.3632
  -5.000  -0.0502   0.01130   0.00647  -0.1413   0.9221   0.3682
  -4.750  -0.0133   0.01133   0.00640  -0.1429   0.9190   0.3743
  -4.500   0.0137   0.01132   0.00646  -0.1424   0.9118   0.3780
  -4.250   0.0449   0.01129   0.00643  -0.1426   0.9059   0.3812
  -4.000   0.0747   0.01119   0.00627  -0.1428   0.8980   0.3839
  -3.750   0.1101   0.01108   0.00609  -0.1442   0.8914   0.3869
  -3.500   0.1465   0.01083   0.00577  -0.1458   0.8831   0.3891
  -3.250   0.1905   0.01053   0.00545  -0.1491   0.8758   0.3908
  -3.000   0.2377   0.01035   0.00523  -0.1530   0.8642   0.3922
  -2.750   0.2885   0.01021   0.00499  -0.1578   0.8488   0.3934
  -2.500   0.3307   0.01009   0.00472  -0.1608   0.8271   0.3940
  -2.250   0.3644   0.01007   0.00454  -0.1620   0.8026   0.3947
  -2.000   0.3939   0.01008   0.00441  -0.1624   0.7786   0.3953
  -1.750   0.4215   0.01013   0.00430  -0.1624   0.7559   0.3961
  -1.500   0.4482   0.01018   0.00422  -0.1622   0.7347   0.3969
  -1.250   0.4746   0.01023   0.00415  -0.1619   0.7144   0.3977
  -1.000   0.5009   0.01029   0.00409  -0.1617   0.6953   0.3986
  -0.750   0.5271   0.01036   0.00404  -0.1614   0.6777   0.3995
  -0.500   0.5536   0.01043   0.00401  -0.1612   0.6613   0.4004
   0.000   0.6069   0.01058   0.00398  -0.1608   0.6319   0.4021
   0.250   0.6338   0.01067   0.00399  -0.1607   0.6186   0.4028
   0.500   0.6609   0.01064   0.00393  -0.1607   0.6061   0.4043
   0.750   0.6877   0.01070   0.00395  -0.1605   0.5945   0.4055
   1.000   0.7144   0.01080   0.00401  -0.1603   0.5835   0.4067
   1.250   0.7414   0.01087   0.00408  -0.1602   0.5731   0.4078
   1.500   0.7686   0.01096   0.00415  -0.1602   0.5640   0.4090
   1.750   0.7957   0.01107   0.00423  -0.1601   0.5553   0.4102
   2.000   0.8232   0.01115   0.00432  -0.1601   0.5471   0.4116
   2.250   0.8503   0.01128   0.00440  -0.1600   0.5393   0.4130
   2.500   0.8779   0.01136   0.00450  -0.1600   0.5319   0.4145
   2.750   0.9052   0.01149   0.00460  -0.1600   0.5252   0.4159
   3.000   0.9328   0.01161   0.00472  -0.1600   0.5190   0.4172
   3.250   0.9601   0.01168   0.00480  -0.1600   0.5120   0.4187
   3.500   0.9868   0.01177   0.00491  -0.1598   0.5042   0.4204
   3.750   1.0127   0.01186   0.00502  -0.1595   0.4948   0.4220
   4.000   1.0388   0.01197   0.00516  -0.1592   0.4864   0.4237
   4.250   1.0649   0.01210   0.00531  -0.1589   0.4790   0.4255
   4.500   1.0912   0.01222   0.00547  -0.1586   0.4718   0.4274
   4.750   1.1171   0.01236   0.00562  -0.1583   0.4642   0.4295
   5.000   1.1431   0.01251   0.00579  -0.1580   0.4574   0.4316
   5.250   1.1688   0.01264   0.00595  -0.1576   0.4500   0.4335
   5.500   1.1944   0.01274   0.00612  -0.1572   0.4426   0.4360
   5.750   1.2192   0.01287   0.00630  -0.1567   0.4338   0.4382
   6.000   1.2440   0.01302   0.00650  -0.1561   0.4251   0.4404
   6.250   1.2676   0.01321   0.00672  -0.1554   0.4156   0.4428
   6.500   1.2920   0.01335   0.00692  -0.1547   0.4053   0.4453
   6.750   1.3152   0.01355   0.00714  -0.1539   0.3937   0.4476
   7.000   1.3371   0.01373   0.00735  -0.1528   0.3796   0.4501
   7.250   1.3579   0.01395   0.00761  -0.1515   0.3624   0.4527
   7.500   1.3761   0.01429   0.00791  -0.1498   0.3388   0.4552
   7.750   1.3904   0.01489   0.00834  -0.1474   0.2955   0.4577
   8.000   1.3991   0.01596   0.00909  -0.1443   0.2411   0.4602
   8.250   1.4090   0.01701   0.00990  -0.1415   0.1995   0.4627
   8.500   1.4205   0.01795   0.01068  -0.1389   0.1674   0.4652
   8.750   1.4325   0.01882   0.01148  -0.1365   0.1424   0.4679
   9.250   1.4560   0.02058   0.01310  -0.1317   0.1043   0.4740
   9.500   1.4671   0.02149   0.01396  -0.1292   0.0896   0.4771
   9.750   1.4779   0.02242   0.01486  -0.1268   0.0769   0.4801
  10.000   1.4879   0.02340   0.01584  -0.1244   0.0662   0.4833
  10.250   1.4964   0.02450   0.01692  -0.1219   0.0570   0.4864
  10.500   1.5067   0.02551   0.01796  -0.1197   0.0503   0.4899
  10.750   1.5153   0.02665   0.01914  -0.1173   0.0445   0.4932
  11.000   1.5228   0.02790   0.02042  -0.1150   0.0394   0.4965
  11.250   1.5308   0.02917   0.02178  -0.1129   0.0351   0.5000
  11.500   1.5371   0.03060   0.02325  -0.1107   0.0311   0.5037
  11.750   1.5423   0.03219   0.02489  -0.1086   0.0278   0.5075
  12.000   1.5489   0.03375   0.02652  -0.1069   0.0249   0.5114
  12.250   1.5495   0.03589   0.02872  -0.1048   0.0222   0.5150
  12.500   1.5568   0.03755   0.03049  -0.1035   0.0201   0.5196
  12.750   1.5589   0.03978   0.03276  -0.1020   0.0181   0.5242
  13.000   1.5602   0.04221   0.03532  -0.1008   0.0163   0.5286
  13.250   1.5635   0.04455   0.03777  -0.0998   0.0147   0.5338
  13.500   1.5610   0.04764   0.04093  -0.0989   0.0132   0.5388
  13.750   1.5612   0.05059   0.04403  -0.0983   0.0120   0.5439
  14.000   1.5619   0.05360   0.04715  -0.0980   0.0109   0.5499
  14.250   1.5572   0.05738   0.05102  -0.0978   0.0100   0.5555
  14.500   1.5518   0.06145   0.05524  -0.0979   0.0092   0.5610
  14.750   1.5507   0.06504   0.05898  -0.0981   0.0085   0.5684
  15.000   1.5487   0.06887   0.06294  -0.0986   0.0079   0.5758
  15.250   1.5434   0.07327   0.06746  -0.0993   0.0075   0.5840
  15.500   1.5318   0.07878   0.07312  -0.1004   0.0071   0.5910
  16.000   1.5223   0.08809   0.08276  -0.1028   0.0064   0.6135
  16.250   1.5175   0.09293   0.08777  -0.1042   0.0062   0.6281
  16.750   1.5083   0.10287   0.09808  -0.1077   0.0057   0.6709
  17.000   1.5034   0.10810   0.10350  -0.1099   0.0055   0.7059
  17.250   1.4978   0.11362   0.10929  -0.1123   0.0054   0.7678
  17.500   1.4860   0.11837   0.11435  -0.1132   0.0052   1.0000
  17.750   1.4766   0.12437   0.12045  -0.1159   0.0051   1.0000
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