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NREL's S817 Airfoil (s817-nr) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NREL's S817 Airfoil (s817-nr)
Reynolds number: 500,000
Max Cl/Cd: 105.3 at α=6.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s817-nr-500000.txt
Download as CSV file: xf-s817-nr-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S817 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
  ------ -------- --------- --------- -------- -------- --------
 -10.500  -0.1948   0.08709   0.08369  -0.1036   0.7770   0.0119
 -10.250  -0.1967   0.08271   0.07932  -0.1062   0.7754   0.0121
 -10.000  -0.2013   0.07805   0.07467  -0.1093   0.7737   0.0121
  -9.750  -0.2117   0.07310   0.06968  -0.1127   0.7720   0.0122
  -9.500  -0.2219   0.06931   0.06588  -0.1142   0.7704   0.0120
  -9.250  -0.2346   0.06578   0.06232  -0.1147   0.7685   0.0120
  -9.000  -0.2492   0.06254   0.05903  -0.1141   0.7667   0.0122
  -8.750  -0.2615   0.05994   0.05637  -0.1123   0.7649   0.0121
  -8.500  -0.2751   0.05754   0.05388  -0.1091   0.7632   0.0124
  -8.250  -0.2776   0.05471   0.05087  -0.1065   0.7617   0.0128
  -8.000  -0.2764   0.05218   0.04817  -0.1042   0.7603   0.0129
  -7.750  -0.2737   0.04960   0.04541  -0.1020   0.7591   0.0130
  -7.500  -0.2705   0.04679   0.04240  -0.0996   0.7578   0.0130
  -7.250  -0.2788   0.04215   0.03762  -0.0970   0.7566   0.0135
  -7.000  -0.2698   0.04005   0.03543  -0.0957   0.7555   0.0137
  -6.750  -0.2585   0.03815   0.03342  -0.0945   0.7543   0.0142
  -6.500  -0.2452   0.03614   0.03128  -0.0931   0.7529   0.0148
  -6.250  -0.2301   0.03397   0.02892  -0.0915   0.7516   0.0155
  -6.000  -0.2061   0.03284   0.02739  -0.0891   0.7504   0.0179
  -5.750  -0.1975   0.02826   0.02251  -0.0870   0.7492   0.0187
  -5.500  -0.1777   0.02671   0.02089  -0.0865   0.7482   0.0195
  -5.250  -0.1562   0.02534   0.01938  -0.0859   0.7472   0.0211
  -5.000  -0.1312   0.02181   0.01539  -0.0841   0.7463   0.0194
  -4.750  -0.0952   0.01776   0.01084  -0.0839   0.7456   0.0139
  -4.500  -0.0663   0.01659   0.00955  -0.0841   0.7448   0.0141
  -4.250  -0.0398   0.01553   0.00839  -0.0838   0.7439   0.0140
  -4.000  -0.0177   0.01486   0.00768  -0.0829   0.7429   0.0145
  -3.750   0.0024   0.01431   0.00712  -0.0818   0.7419   0.0159
  -3.500   0.0233   0.01390   0.00668  -0.0807   0.7409   0.0180
  -3.250   0.0419   0.01341   0.00621  -0.0795   0.7398   0.0235
  -3.000   0.0621   0.01302   0.00582  -0.0785   0.7388   0.0288
  -2.750   0.0843   0.01273   0.00553  -0.0778   0.7378   0.0368
  -2.500   0.1059   0.01237   0.00526  -0.0770   0.7368   0.0647
  -2.250   0.1155   0.01104   0.00484  -0.0749   0.7356   0.3360
  -2.000   0.1254   0.00990   0.00484  -0.0723   0.7344   0.6902
  -1.750   0.1526   0.01020   0.00511  -0.0722   0.7333   0.7158
  -1.500   0.1795   0.01065   0.00559  -0.0717   0.7324   0.7358
  -1.250   0.2068   0.01100   0.00594  -0.0715   0.7316   0.7472
  -1.000   0.2346   0.01127   0.00615  -0.0716   0.7309   0.7549
  -0.750   0.2624   0.01143   0.00630  -0.0718   0.7301   0.7595
  -0.500   0.2900   0.01169   0.00655  -0.0718   0.7294   0.7644
  -0.250   0.3180   0.01192   0.00673  -0.0722   0.7285   0.7690
   0.000   0.3455   0.01201   0.00680  -0.0726   0.7275   0.7714
   0.250   0.3725   0.01203   0.00681  -0.0730   0.7264   0.7722
   0.500   0.3995   0.01208   0.00687  -0.0734   0.7254   0.7729
   0.750   0.4266   0.01214   0.00695  -0.0738   0.7243   0.7736
   1.000   0.4539   0.01222   0.00703  -0.0742   0.7232   0.7743
   1.250   0.4813   0.01229   0.00711  -0.0746   0.7219   0.7751
   1.500   0.5089   0.01236   0.00719  -0.0750   0.7207   0.7760
   1.750   0.5364   0.01245   0.00730  -0.0755   0.7197   0.7769
   2.000   0.5642   0.01254   0.00741  -0.0760   0.7187   0.7779
   2.250   0.5923   0.01262   0.00750  -0.0765   0.7177   0.7790
   2.500   0.6207   0.01270   0.00759  -0.0771   0.7167   0.7801
   2.750   0.6490   0.01280   0.00770  -0.0778   0.7158   0.7813
   3.000   0.6773   0.01293   0.00787  -0.0784   0.7150   0.7826
   3.250   0.7056   0.01313   0.00808  -0.0790   0.7140   0.7840
   3.500   0.7293   0.01334   0.00836  -0.0789   0.7122   0.7855
   3.750   0.7530   0.01353   0.00863  -0.0787   0.7101   0.7867
   4.000   0.7787   0.01358   0.00877  -0.0787   0.7076   0.7879
   4.250   0.8114   0.01316   0.00837  -0.0797   0.7038   0.7889
   4.500   0.8474   0.01250   0.00766  -0.0811   0.6979   0.7900
   4.750   0.8770   0.01178   0.00696  -0.0812   0.6887   0.7913
   5.000   0.9051   0.01116   0.00634  -0.0811   0.6782   0.7928
   5.250   0.9361   0.01071   0.00587  -0.0817   0.6704   0.7942
   5.500   0.9583   0.01060   0.00589  -0.0809   0.6636   0.7960
   5.750   0.9858   0.01035   0.00566  -0.0810   0.6561   0.7978
   6.000   1.0071   0.01019   0.00560  -0.0799   0.6451   0.7996
   6.250   1.0282   0.01003   0.00551  -0.0788   0.6300   0.8014
   6.500   1.0446   0.00992   0.00546  -0.0767   0.6014   0.8033
   6.750   1.0385   0.01029   0.00550  -0.0700   0.5270   0.8060
   7.000   1.0118   0.01133   0.00620  -0.0599   0.4629   0.8096
   7.250   0.9875   0.01282   0.00738  -0.0512   0.4020   0.8133
   7.500   0.9658   0.01457   0.00885  -0.0439   0.3426   0.8167
   7.750   0.9479   0.01649   0.01050  -0.0378   0.2830   0.8200
   8.000   0.9356   0.01842   0.01214  -0.0330   0.2237   0.8234
   8.250   0.9294   0.02018   0.01362  -0.0293   0.1698   0.8269
   8.500   0.9287   0.02172   0.01493  -0.0264   0.1262   0.8302
   8.750   0.9328   0.02299   0.01607  -0.0240   0.0969   0.8333
   9.000   0.9399   0.02413   0.01714  -0.0221   0.0774   0.8366
   9.250   0.9495   0.02519   0.01817  -0.0205   0.0649   0.8403
   9.500   0.9595   0.02627   0.01922  -0.0190   0.0562   0.8441
   9.750   0.9720   0.02714   0.02017  -0.0178   0.0509   0.8480
  10.000   0.9824   0.02818   0.02123  -0.0163   0.0459   0.8523
  10.250   0.9934   0.02925   0.02237  -0.0151   0.0422   0.8571
  10.500   1.0068   0.03013   0.02333  -0.0140   0.0393   0.8617
  10.750   1.0177   0.03118   0.02445  -0.0128   0.0363   0.8669
  11.000   1.0226   0.03276   0.02609  -0.0110   0.0334   0.8729
  11.250   1.0361   0.03363   0.02709  -0.0100   0.0322   0.8793
  11.500   1.0499   0.03454   0.02809  -0.0091   0.0302   0.8873
  11.750   1.0628   0.03541   0.02904  -0.0082   0.0279   0.8974
  12.000   1.0668   0.03697   0.03068  -0.0063   0.0251   0.9112
  12.250   1.0793   0.03799   0.03191  -0.0053   0.0243   0.9401
  12.500   1.1098   0.03812   0.03206  -0.0076   0.0207   1.0000
  12.750   1.1180   0.03978   0.03372  -0.0068   0.0183   1.0000
  13.000   1.1393   0.04032   0.03431  -0.0073   0.0166   1.0000
  13.250   1.1536   0.04144   0.03547  -0.0070   0.0152   1.0000
  13.500   1.1638   0.04291   0.03695  -0.0064   0.0136   1.0000
  13.750   1.1769   0.04415   0.03829  -0.0061   0.0123   1.0000
  14.000   1.1920   0.04521   0.03939  -0.0060   0.0106   1.0000
  14.250   1.2025   0.04673   0.04094  -0.0055   0.0090   1.0000
  14.500   1.2127   0.04829   0.04254  -0.0051   0.0064   1.0000
  14.750   1.2181   0.05036   0.04466  -0.0043   0.0040   1.0000
  15.000   1.2200   0.05281   0.04721  -0.0035   0.0029   1.0000
  15.250   1.2226   0.05529   0.04983  -0.0029   0.0028   1.0000
  15.500   1.2272   0.05762   0.05228  -0.0025   0.0027   1.0000
  15.750   1.2301   0.06018   0.05498  -0.0021   0.0024   1.0000
  16.000   1.2309   0.06304   0.05800  -0.0018   0.0023   1.0000
  16.250   1.2308   0.06610   0.06120  -0.0017   0.0023   1.0000
  16.500   1.2299   0.06933   0.06457  -0.0017   0.0021   1.0000
  16.750   1.2277   0.07282   0.06820  -0.0019   0.0020   1.0000
  17.000   1.2240   0.07662   0.07216  -0.0023   0.0020   1.0000
  17.250   1.2186   0.08077   0.07646  -0.0030   0.0019   1.0000
  17.500   1.2126   0.08517   0.08104  -0.0039   0.0020   1.0000
  17.750   1.2043   0.09010   0.08612  -0.0053   0.0019   1.0000
  18.000   1.1925   0.09573   0.09192  -0.0070   0.0018   1.0000
  18.250   1.1821   0.10137   0.09773  -0.0091   0.0018   1.0000
  18.500   1.1685   0.10780   0.10433  -0.0118   0.0018   1.0000
  18.750   1.1542   0.11464   0.11134  -0.0150   0.0018   1.0000
  19.000   1.1398   0.12178   0.11865  -0.0187   0.0018   1.0000
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