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SD8020-010-88 (sd8020-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: SD8020-010-88 (sd8020-il)
Reynolds number: 500,000
Max Cl/Cd: 63.05 at α=5.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-sd8020-il-500000.txt
Download as CSV file: xf-sd8020-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: SD8020-010-88                                   
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -15.000  -0.8684   0.10177   0.09906  -0.0080   1.0000   0.0111
 -14.750  -0.9008   0.09065   0.08781  -0.0145   1.0000   0.0110
 -14.500  -0.9306   0.08050   0.07752  -0.0209   1.0000   0.0108
 -14.250  -0.9482   0.07288   0.06975  -0.0261   1.0000   0.0109
 -14.000  -0.9708   0.06508   0.06179  -0.0311   1.0000   0.0107
 -13.750  -0.9893   0.05833   0.05487  -0.0355   1.0000   0.0107
 -13.500  -1.0063   0.05246   0.04881  -0.0390   1.0000   0.0107
 -13.250  -1.0194   0.04777   0.04392  -0.0412   1.0000   0.0108
 -13.000  -1.0304   0.04385   0.03983  -0.0422   1.0000   0.0107
 -12.750  -1.0388   0.04069   0.03649  -0.0423   1.0000   0.0108
 -12.500  -1.0447   0.03817   0.03378  -0.0414   1.0000   0.0110
 -12.250  -1.0477   0.03619   0.03161  -0.0398   1.0000   0.0111
 -12.000  -1.0578   0.03350   0.02869  -0.0371   1.0000   0.0113
 -11.750  -1.0651   0.03098   0.02598  -0.0338   1.0000   0.0115
 -11.500  -1.0686   0.02900   0.02386  -0.0302   1.0000   0.0118
 -11.250  -1.0646   0.02754   0.02229  -0.0273   1.0000   0.0121
 -11.000  -1.0548   0.02642   0.02110  -0.0252   1.0000   0.0125
 -10.750  -1.0431   0.02536   0.01992  -0.0231   1.0000   0.0129
 -10.500  -1.0301   0.02434   0.01879  -0.0212   1.0000   0.0135
 -10.250  -1.0149   0.02353   0.01788  -0.0194   1.0000   0.0143
 -10.000  -0.9992   0.02268   0.01690  -0.0177   1.0000   0.0148
  -9.750  -0.9888   0.02112   0.01519  -0.0152   1.0000   0.0157
  -9.500  -0.9764   0.01992   0.01392  -0.0129   1.0000   0.0166
  -9.250  -0.9602   0.01912   0.01307  -0.0111   1.0000   0.0175
  -9.000  -0.9429   0.01840   0.01227  -0.0093   1.0000   0.0185
  -8.750  -0.9249   0.01773   0.01150  -0.0077   1.0000   0.0195
  -8.500  -0.9079   0.01696   0.01064  -0.0058   1.0000   0.0205
  -8.250  -0.8931   0.01598   0.00963  -0.0037   1.0000   0.0226
  -8.000  -0.8739   0.01545   0.00906  -0.0021   1.0000   0.0244
  -7.750  -0.8539   0.01497   0.00851  -0.0007   1.0000   0.0262
  -7.500  -0.8371   0.01417   0.00765   0.0013   1.0000   0.0291
  -7.250  -0.8173   0.01368   0.00715   0.0028   1.0000   0.0326
  -7.000  -0.7981   0.01311   0.00655   0.0045   1.0000   0.0375
  -6.750  -0.7778   0.01267   0.00611   0.0059   1.0000   0.0444
  -6.500  -0.7583   0.01214   0.00563   0.0074   1.0000   0.0568
  -6.250  -0.7378   0.01174   0.00526   0.0088   1.0000   0.0686
  -6.000  -0.7169   0.01139   0.00494   0.0101   1.0000   0.0798
  -5.750  -0.6962   0.01104   0.00463   0.0114   1.0000   0.0923
  -5.500  -0.6752   0.01072   0.00436   0.0127   1.0000   0.1059
  -5.250  -0.6544   0.01041   0.00411   0.0140   1.0000   0.1221
  -5.000  -0.6338   0.01010   0.00387   0.0153   1.0000   0.1400
  -4.750  -0.6129   0.00984   0.00368   0.0166   1.0000   0.1607
  -4.500  -0.5925   0.00955   0.00351   0.0179   1.0000   0.1870
  -4.250  -0.5675   0.00927   0.00337   0.0182   0.9993   0.2179
  -4.000  -0.5299   0.00898   0.00321   0.0158   0.9959   0.2539
  -3.750  -0.4925   0.00871   0.00308   0.0136   0.9925   0.2915
  -3.500  -0.4561   0.00841   0.00293   0.0116   0.9882   0.3308
  -3.250  -0.4176   0.00813   0.00281   0.0092   0.9846   0.3713
  -3.000  -0.3818   0.00785   0.00268   0.0074   0.9800   0.4133
  -2.750  -0.3461   0.00756   0.00255   0.0056   0.9746   0.4569
  -2.500  -0.3073   0.00728   0.00243   0.0033   0.9710   0.5009
  -2.250  -0.2751   0.00701   0.00231   0.0024   0.9634   0.5427
  -2.000  -0.2380   0.00673   0.00220   0.0005   0.9584   0.5851
  -1.750  -0.2064   0.00648   0.00208  -0.0001   0.9497   0.6228
  -1.500  -0.1715   0.00625   0.00197  -0.0014   0.9420   0.6601
  -1.250  -0.1411   0.00604   0.00188  -0.0016   0.9293   0.6933
  -1.000  -0.1099   0.00587   0.00180  -0.0020   0.9149   0.7246
  -0.750  -0.0799   0.00574   0.00173  -0.0020   0.8979   0.7539
  -0.500  -0.0526   0.00566   0.00169  -0.0015   0.8768   0.7813
  -0.250  -0.0259   0.00561   0.00166  -0.0008   0.8551   0.8070
   0.000   0.0000   0.00559   0.00166   0.0000   0.8314   0.8314
   0.250   0.0258   0.00561   0.00166   0.0009   0.8069   0.8550
   0.500   0.0525   0.00566   0.00169   0.0016   0.7809   0.8770
   0.750   0.0798   0.00574   0.00173   0.0021   0.7537   0.8979
   1.000   0.1099   0.00587   0.00180   0.0020   0.7249   0.9149
   1.250   0.1411   0.00604   0.00188   0.0016   0.6937   0.9293
   1.500   0.1716   0.00625   0.00197   0.0014   0.6603   0.9420
   1.750   0.2065   0.00648   0.00208   0.0001   0.6233   0.9497
   2.000   0.2381   0.00673   0.00219  -0.0005   0.5850   0.9584
   2.250   0.2752   0.00701   0.00231  -0.0024   0.5427   0.9635
   2.500   0.3074   0.00727   0.00243  -0.0033   0.5018   0.9710
   2.750   0.3462   0.00756   0.00255  -0.0057   0.4566   0.9746
   3.000   0.3818   0.00785   0.00268  -0.0074   0.4133   0.9800
   3.250   0.4174   0.00814   0.00281  -0.0091   0.3707   0.9846
   3.500   0.4559   0.00840   0.00293  -0.0116   0.3307   0.9881
   3.750   0.4924   0.00871   0.00308  -0.0136   0.2918   0.9925
   4.000   0.5300   0.00898   0.00321  -0.0159   0.2538   0.9959
   4.250   0.5679   0.00927   0.00337  -0.0183   0.2183   0.9993
   4.500   0.5924   0.00955   0.00351  -0.0179   0.1868   1.0000
   4.750   0.6129   0.00983   0.00368  -0.0166   0.1612   1.0000
   5.000   0.6337   0.01010   0.00387  -0.0153   0.1401   1.0000
   5.250   0.6544   0.01041   0.00411  -0.0140   0.1220   1.0000
   5.500   0.6752   0.01072   0.00436  -0.0127   0.1061   1.0000
   5.750   0.6961   0.01104   0.00463  -0.0114   0.0922   1.0000
   6.000   0.7169   0.01139   0.00494  -0.0101   0.0798   1.0000
   6.250   0.7377   0.01175   0.00527  -0.0088   0.0683   1.0000
   6.500   0.7583   0.01214   0.00563  -0.0074   0.0567   1.0000
   6.750   0.7780   0.01264   0.00609  -0.0059   0.0451   1.0000
   7.000   0.7982   0.01310   0.00655  -0.0045   0.0378   1.0000
   7.250   0.8173   0.01369   0.00715  -0.0028   0.0326   1.0000
   7.500   0.8371   0.01417   0.00765  -0.0013   0.0291   1.0000
   7.750   0.8537   0.01500   0.00853   0.0007   0.0263   1.0000
   8.000   0.8739   0.01545   0.00906   0.0021   0.0246   1.0000
   8.250   0.8932   0.01598   0.00963   0.0036   0.0228   1.0000
   8.500   0.9086   0.01689   0.01056   0.0057   0.0207   1.0000
   8.750   0.9248   0.01775   0.01153   0.0077   0.0196   1.0000
   9.000   0.9430   0.01839   0.01226   0.0093   0.0186   1.0000
   9.250   0.9604   0.01911   0.01306   0.0111   0.0176   1.0000
   9.500   0.9768   0.01988   0.01388   0.0128   0.0166   1.0000
   9.750   0.9884   0.02118   0.01525   0.0152   0.0156   1.0000
  10.000   0.9998   0.02259   0.01681   0.0176   0.0148   1.0000
  10.250   1.0162   0.02334   0.01767   0.0192   0.0141   1.0000
  10.500   1.0301   0.02435   0.01881   0.0212   0.0135   1.0000
  10.750   1.0440   0.02524   0.01978   0.0230   0.0129   1.0000
  11.000   1.0552   0.02637   0.02104   0.0251   0.0125   1.0000
  11.250   1.0651   0.02747   0.02220   0.0272   0.0120   1.0000
  11.500   1.0689   0.02898   0.02382   0.0301   0.0117   1.0000
  11.750   1.0620   0.03135   0.02636   0.0340   0.0114   1.0000
  12.000   1.0524   0.03414   0.02938   0.0374   0.0112   1.0000
  12.250   1.0490   0.03605   0.03147   0.0398   0.0111   1.0000
  12.500   1.0463   0.03801   0.03361   0.0413   0.0110   1.0000
  12.750   1.0391   0.04076   0.03654   0.0422   0.0109   1.0000
  13.000   1.0300   0.04400   0.03998   0.0422   0.0108   1.0000
  13.250   1.0217   0.04753   0.04369   0.0411   0.0106   1.0000
  13.500   1.0073   0.05242   0.04878   0.0389   0.0106   1.0000
  13.750   0.9912   0.05815   0.05469   0.0355   0.0107   1.0000
  14.000   0.9731   0.06477   0.06148   0.0313   0.0108   1.0000
  14.250   0.9519   0.07254   0.06943   0.0260   0.0107   1.0000
  14.500   0.9289   0.08102   0.07805   0.0204   0.0109   1.0000
  14.750   0.9011   0.09092   0.08809   0.0141   0.0109   1.0000
  15.000   0.8697   0.10175   0.09904   0.0078   0.0111   1.0000
  15.250   0.7897   0.12825   0.12585  -0.0071   0.0120   1.0000
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