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EPPLER 521 AIRFOIL (e521-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 521 AIRFOIL (e521-il)
Reynolds number: 1,000,000
Max Cl/Cd: 66.79 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e521-il-1000000-n5.txt
Download as CSV file: xf-e521-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 521 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -1.0449   0.12926   0.12656   0.0077   1.0000   0.0017
 -19.000  -1.0767   0.11819   0.11534   0.0013   1.0000   0.0016
 -18.750  -1.1075   0.10769   0.10468  -0.0047   1.0000   0.0016
 -18.500  -1.1307   0.09896   0.09580  -0.0096   1.0000   0.0016
 -18.250  -1.1579   0.08974   0.08643  -0.0148   1.0000   0.0016
 -18.000  -1.1786   0.08200   0.07854  -0.0191   1.0000   0.0015
 -17.750  -1.1952   0.07525   0.07165  -0.0227   1.0000   0.0015
 -17.500  -1.2102   0.06903   0.06529  -0.0259   1.0000   0.0015
 -17.250  -1.2251   0.06310   0.05921  -0.0288   1.0000   0.0016
 -17.000  -1.2337   0.05840   0.05440  -0.0309   1.0000   0.0016
 -16.750  -1.2380   0.05452   0.05041  -0.0324   1.0000   0.0015
 -16.500  -1.2468   0.05026   0.04603  -0.0337   1.0000   0.0016
 -16.250  -1.2498   0.04698   0.04264  -0.0345   1.0000   0.0016
 -16.000  -1.2518   0.04401   0.03957  -0.0350   1.0000   0.0016
 -15.750  -1.2537   0.04121   0.03668  -0.0351   1.0000   0.0017
 -15.500  -1.2544   0.03870   0.03406  -0.0350   1.0000   0.0017
 -15.250  -1.2525   0.03654   0.03181  -0.0346   1.0000   0.0018
 -15.000  -1.2504   0.03447   0.02966  -0.0341   1.0000   0.0018
 -14.750  -1.2450   0.03279   0.02790  -0.0334   1.0000   0.0017
 -14.500  -1.2400   0.03111   0.02614  -0.0326   1.0000   0.0018
 -14.250  -1.2339   0.02958   0.02454  -0.0317   1.0000   0.0020
 -14.000  -1.2273   0.02814   0.02302  -0.0307   1.0000   0.0020
 -13.750  -1.2180   0.02693   0.02175  -0.0297   1.0000   0.0019
 -13.250  -1.1995   0.02464   0.01931  -0.0275   0.9733   0.0023
 -13.000  -1.1754   0.02357   0.01801  -0.0291   0.9005   0.0023
 -12.750  -1.1672   0.02271   0.01700  -0.0272   0.8757   0.0024
 -12.500  -1.1583   0.02181   0.01599  -0.0254   0.8619   0.0027
 -12.250  -1.1477   0.02101   0.01509  -0.0237   0.8517   0.0028
 -12.000  -1.1362   0.02025   0.01425  -0.0221   0.8435   0.0030
 -11.750  -1.1243   0.01954   0.01347  -0.0204   0.8371   0.0035
 -11.500  -1.1110   0.01891   0.01278  -0.0188   0.8317   0.0036
 -11.250  -1.0977   0.01832   0.01211  -0.0170   0.8268   0.0040
 -11.000  -1.0854   0.01771   0.01144  -0.0151   0.8224   0.0047
 -10.750  -1.0716   0.01719   0.01088  -0.0131   0.8182   0.0052
 -10.500  -1.0571   0.01674   0.01038  -0.0112   0.8142   0.0057
 -10.250  -1.0410   0.01628   0.00988  -0.0096   0.8110   0.0067
 -10.000  -1.0222   0.01583   0.00940  -0.0085   0.8083   0.0079
  -9.750  -1.0020   0.01541   0.00895  -0.0075   0.8054   0.0088
  -9.500  -0.9818   0.01497   0.00850  -0.0066   0.8025   0.0103
  -9.250  -0.9602   0.01460   0.00809  -0.0058   0.7997   0.0117
  -9.000  -0.9383   0.01424   0.00769  -0.0051   0.7973   0.0130
  -8.750  -0.9163   0.01386   0.00729  -0.0044   0.7950   0.0148
  -8.500  -0.8931   0.01352   0.00694  -0.0038   0.7928   0.0166
  -8.250  -0.8706   0.01311   0.00655  -0.0032   0.7904   0.0206
  -8.000  -0.8468   0.01279   0.00622  -0.0028   0.7880   0.0235
  -7.750  -0.8239   0.01239   0.00584  -0.0022   0.7858   0.0303
  -7.500  -0.8003   0.01203   0.00551  -0.0017   0.7836   0.0372
  -7.250  -0.7769   0.01164   0.00517  -0.0012   0.7814   0.0480
  -7.000  -0.7526   0.01130   0.00487  -0.0008   0.7795   0.0579
  -6.750  -0.7274   0.01101   0.00461  -0.0006   0.7775   0.0661
  -6.500  -0.7021   0.01072   0.00434  -0.0003   0.7753   0.0761
  -6.250  -0.6770   0.01041   0.00409   0.0000   0.7730   0.0888
  -6.000  -0.6515   0.01013   0.00385   0.0002   0.7709   0.1013
  -5.750  -0.6259   0.00987   0.00362   0.0004   0.7688   0.1154
  -5.500  -0.6008   0.00955   0.00338   0.0006   0.7667   0.1360
  -5.250  -0.5748   0.00927   0.00317   0.0008   0.7647   0.1544
  -5.000  -0.5487   0.00900   0.00298   0.0009   0.7625   0.1741
  -4.750  -0.5225   0.00872   0.00280   0.0010   0.7600   0.1960
  -4.500  -0.4959   0.00849   0.00263   0.0010   0.7575   0.2153
  -4.250  -0.4695   0.00824   0.00245   0.0011   0.7548   0.2389
  -4.000  -0.4429   0.00802   0.00229   0.0012   0.7521   0.2614
  -3.750  -0.4160   0.00779   0.00215   0.0012   0.7493   0.2860
  -3.500  -0.3888   0.00756   0.00202   0.0012   0.7460   0.3091
  -3.250  -0.3619   0.00733   0.00188   0.0012   0.7425   0.3373
  -3.000  -0.3349   0.00711   0.00175   0.0012   0.7391   0.3663
  -2.750  -0.3078   0.00690   0.00163   0.0011   0.7358   0.3950
  -2.500  -0.2803   0.00669   0.00152   0.0011   0.7318   0.4242
  -2.250  -0.2528   0.00649   0.00142   0.0010   0.7275   0.4536
  -2.000  -0.2254   0.00630   0.00132   0.0010   0.7233   0.4832
  -1.750  -0.1977   0.00611   0.00123   0.0009   0.7189   0.5142
  -1.500  -0.1701   0.00593   0.00116   0.0008   0.7137   0.5458
  -1.250  -0.1424   0.00578   0.00109   0.0008   0.7086   0.5764
  -1.000  -0.1142   0.00565   0.00106   0.0006   0.7029   0.6027
  -0.750  -0.0859   0.00557   0.00103   0.0005   0.6961   0.6241
  -0.500  -0.0573   0.00551   0.00101   0.0003   0.6885   0.6419
  -0.250  -0.0288   0.00549   0.00100   0.0002   0.6794   0.6563
   0.000   0.0000   0.00547   0.00100   0.0000   0.6687   0.6687
   0.250   0.0288   0.00549   0.00100  -0.0002   0.6564   0.6794
   0.500   0.0574   0.00551   0.00101  -0.0003   0.6417   0.6885
   0.750   0.0859   0.00557   0.00103  -0.0005   0.6244   0.6961
   1.000   0.1142   0.00565   0.00106  -0.0006   0.6026   0.7029
   1.250   0.1424   0.00578   0.00109  -0.0008   0.5763   0.7086
   1.500   0.1701   0.00593   0.00116  -0.0008   0.5460   0.7137
   1.750   0.1978   0.00611   0.00123  -0.0009   0.5141   0.7189
   2.000   0.2254   0.00630   0.00132  -0.0010   0.4831   0.7233
   2.250   0.2529   0.00648   0.00142  -0.0010   0.4538   0.7275
   2.500   0.2803   0.00669   0.00152  -0.0011   0.4241   0.7318
   2.750   0.3077   0.00690   0.00163  -0.0011   0.3946   0.7358
   3.000   0.3349   0.00711   0.00175  -0.0012   0.3665   0.7391
   3.250   0.3619   0.00733   0.00188  -0.0012   0.3375   0.7425
   3.500   0.3888   0.00756   0.00202  -0.0012   0.3090   0.7460
   3.750   0.4160   0.00779   0.00215  -0.0012   0.2861   0.7493
   4.000   0.4429   0.00802   0.00229  -0.0012   0.2615   0.7521
   4.250   0.4695   0.00824   0.00245  -0.0011   0.2390   0.7548
   4.500   0.4959   0.00849   0.00263  -0.0010   0.2157   0.7575
   4.750   0.5225   0.00872   0.00280  -0.0010   0.1962   0.7600
   5.000   0.5486   0.00900   0.00298  -0.0009   0.1740   0.7625
   5.250   0.5747   0.00927   0.00317  -0.0008   0.1542   0.7647
   5.500   0.6006   0.00955   0.00339  -0.0006   0.1354   0.7667
   5.750   0.6258   0.00986   0.00362  -0.0004   0.1155   0.7688
   6.000   0.6514   0.01013   0.00385  -0.0002   0.1014   0.7709
   6.250   0.6769   0.01041   0.00408   0.0001   0.0888   0.7730
   6.750   0.7272   0.01101   0.00461   0.0006   0.0662   0.7775
   7.000   0.7525   0.01130   0.00487   0.0008   0.0579   0.7795
   7.250   0.7768   0.01163   0.00517   0.0012   0.0484   0.7814
   7.500   0.8004   0.01200   0.00550   0.0017   0.0385   0.7836
   7.750   0.8235   0.01240   0.00585   0.0022   0.0297   0.7858
   8.000   0.8466   0.01279   0.00622   0.0028   0.0235   0.7880
   8.250   0.8703   0.01311   0.00655   0.0033   0.0203   0.7905
   8.500   0.8928   0.01352   0.00694   0.0039   0.0165   0.7929
   8.750   0.9160   0.01386   0.00729   0.0044   0.0147   0.7951
   9.000   0.9380   0.01424   0.00769   0.0051   0.0129   0.7973
   9.250   0.9599   0.01460   0.00808   0.0059   0.0115   0.7997
   9.500   0.9815   0.01497   0.00850   0.0067   0.0104   0.8025
   9.750   1.0017   0.01540   0.00895   0.0076   0.0089   0.8055
  10.000   1.0218   0.01582   0.00939   0.0086   0.0079   0.8083
  10.250   1.0408   0.01627   0.00987   0.0097   0.0068   0.8110
  10.500   1.0568   0.01673   0.01037   0.0113   0.0059   0.8143
  10.750   1.0712   0.01718   0.01087   0.0132   0.0052   0.8183
  11.000   1.0848   0.01771   0.01144   0.0152   0.0046   0.8225
  11.250   1.0970   0.01833   0.01211   0.0172   0.0038   0.8269
  11.500   1.1107   0.01890   0.01277   0.0188   0.0039   0.8318
  11.750   1.1238   0.01954   0.01347   0.0205   0.0035   0.8372
  12.000   1.1362   0.02022   0.01423   0.0221   0.0032   0.8436
  12.250   1.1480   0.02096   0.01505   0.0237   0.0029   0.8518
  12.500   1.1590   0.02173   0.01591   0.0254   0.0028   0.8620
  12.750   1.1663   0.02274   0.01704   0.0273   0.0023   0.8765
  13.000   1.1752   0.02354   0.01799   0.0292   0.0023   0.9023
  13.250   1.2005   0.02459   0.01926   0.0273   0.0021   0.9805
  13.500   1.2095   0.02568   0.02041   0.0286   0.0021   1.0000
  13.750   1.2181   0.02690   0.02171   0.0298   0.0020   1.0000
  14.000   1.2265   0.02817   0.02306   0.0308   0.0021   1.0000
  14.250   1.2342   0.02953   0.02448   0.0318   0.0019   1.0000
  14.500   1.2401   0.03106   0.02609   0.0327   0.0018   1.0000
  14.750   1.2452   0.03273   0.02784   0.0335   0.0018   1.0000
  15.000   1.2496   0.03450   0.02969   0.0342   0.0018   1.0000
  15.250   1.2515   0.03658   0.03186   0.0347   0.0017   1.0000
  15.500   1.2547   0.03862   0.03399   0.0350   0.0018   1.0000
  15.750   1.2559   0.04093   0.03638   0.0352   0.0017   1.0000
  16.000   1.2538   0.04373   0.03927   0.0350   0.0016   1.0000
  16.250   1.2515   0.04673   0.04240   0.0346   0.0017   1.0000
  16.500   1.2492   0.04992   0.04568   0.0339   0.0017   1.0000
  16.750   1.2410   0.05406   0.04993   0.0326   0.0016   1.0000
  17.000   1.2367   0.05791   0.05390   0.0311   0.0016   1.0000
  17.250   1.2261   0.06290   0.05902   0.0289   0.0016   1.0000
  17.500   1.2132   0.06850   0.06476   0.0262   0.0016   1.0000
  17.750   1.1969   0.07492   0.07132   0.0229   0.0016   1.0000
  18.000   1.1808   0.08159   0.07813   0.0193   0.0016   1.0000
  18.250   1.1606   0.08921   0.08589   0.0150   0.0016   1.0000
  18.500   1.1340   0.09830   0.09513   0.0099   0.0016   1.0000
  18.750   1.1044   0.10830   0.10529   0.0043   0.0016   1.0000
  19.000   1.0740   0.11875   0.11590  -0.0017   0.0016   1.0000
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