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EPPLER 520 AIRFOIL (e520-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 520 AIRFOIL (e520-il)
Reynolds number: 100,000
Max Cl/Cd: 41.21 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e520-il-100000.txt
Download as CSV file: xf-e520-il-100000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 520 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.000  -0.6712   0.14996   0.14512   0.0059   1.0000   0.0768
 -14.750  -0.6569   0.15030   0.14544   0.0066   1.0000   0.0894
 -14.500  -0.8225   0.09832   0.09337  -0.0245   1.0000   0.0528
 -14.250  -0.8489   0.09032   0.08526  -0.0290   1.0000   0.0524
 -14.000  -0.8737   0.08318   0.07797  -0.0326   1.0000   0.0518
 -13.750  -0.8987   0.07684   0.07145  -0.0353   1.0000   0.0514
 -13.500  -0.9212   0.07128   0.06569  -0.0371   1.0000   0.0509
 -13.250  -0.9452   0.06647   0.06062  -0.0381   1.0000   0.0512
 -13.000  -0.9640   0.06219   0.05609  -0.0382   1.0000   0.0513
 -12.750  -0.9827   0.05833   0.05194  -0.0376   1.0000   0.0516
 -12.500  -0.9987   0.05509   0.04839  -0.0364   1.0000   0.0522
 -12.250  -1.0137   0.05240   0.04536  -0.0344   1.0000   0.0528
 -12.000  -1.0057   0.04798   0.04085  -0.0340   1.0000   0.0553
 -11.750  -1.0005   0.04607   0.03889  -0.0328   1.0000   0.0583
 -11.500  -0.9985   0.04392   0.03653  -0.0311   1.0000   0.0613
 -11.250  -0.9994   0.04190   0.03413  -0.0285   1.0000   0.0640
 -11.000  -0.9775   0.03898   0.03124  -0.0288   1.0000   0.0692
 -10.750  -0.9686   0.03738   0.02944  -0.0271   1.0000   0.0744
 -10.500  -0.9467   0.03498   0.02697  -0.0270   1.0000   0.0811
 -10.250  -0.9347   0.03358   0.02544  -0.0256   1.0000   0.0884
 -10.000  -0.9131   0.03171   0.02367  -0.0254   1.0000   0.0980
  -9.750  -0.8963   0.03012   0.02209  -0.0246   1.0000   0.1090
  -9.500  -0.8813   0.02870   0.02071  -0.0235   1.0000   0.1218
  -9.250  -0.8677   0.02739   0.01948  -0.0223   1.0000   0.1367
  -9.000  -0.8568   0.02624   0.01843  -0.0208   1.0000   0.1533
  -8.750  -0.8524   0.02535   0.01760  -0.0181   1.0000   0.1697
  -8.500  -0.8613   0.02486   0.01720  -0.0130   1.0000   0.1812
  -8.250  -0.8701   0.02435   0.01674  -0.0078   1.0000   0.1939
  -8.000  -0.8744   0.02372   0.01619  -0.0034   1.0000   0.2101
  -7.750  -0.8755   0.02305   0.01556   0.0006   1.0000   0.2309
  -7.500  -0.8738   0.02229   0.01497   0.0041   1.0000   0.2538
  -7.250  -0.8693   0.02154   0.01437   0.0071   0.9998   0.2815
  -7.000  -0.8440   0.02065   0.01370   0.0062   0.9942   0.3265
  -6.750  -0.8202   0.01991   0.01319   0.0058   0.9885   0.3732
  -6.500  -0.7939   0.01938   0.01282   0.0053   0.9834   0.4234
  -6.250  -0.7686   0.01909   0.01276   0.0053   0.9785   0.4702
  -6.000  -0.7420   0.01909   0.01290   0.0054   0.9732   0.5134
  -5.750  -0.7084   0.01951   0.01341   0.0047   0.9690   0.5520
  -5.500  -0.6814   0.02008   0.01395   0.0053   0.9642   0.5810
  -5.250  -0.6515   0.02083   0.01466   0.0055   0.9592   0.6051
  -5.000  -0.6159   0.02166   0.01538   0.0047   0.9550   0.6275
  -4.750  -0.5884   0.02245   0.01609   0.0054   0.9504   0.6450
  -4.500  -0.5604   0.02327   0.01682   0.0061   0.9453   0.6601
  -4.250  -0.5240   0.02410   0.01756   0.0053   0.9412   0.6747
  -4.000  -0.4939   0.02477   0.01814   0.0055   0.9368   0.6888
  -3.750  -0.4686   0.02545   0.01875   0.0067   0.9313   0.7001
  -3.500  -0.4299   0.02621   0.01944   0.0058   0.9273   0.7107
  -3.250  -0.3849   0.02678   0.01991   0.0033   0.9241   0.7225
  -3.000  -0.3792   0.02691   0.01999   0.0072   0.9166   0.7350
  -2.750  -0.3444   0.02719   0.02018   0.0061   0.9120   0.7478
  -2.500  -0.2855   0.02790   0.02082   0.0018   0.9097   0.7548
  -2.250  -0.2851   0.02795   0.02084   0.0064   0.9013   0.7663
  -2.000  -0.2473   0.02806   0.02088   0.0045   0.8968   0.7780
  -1.750  -0.2052   0.02847   0.02125   0.0027   0.8922   0.7853
  -1.500  -0.1878   0.02851   0.02125   0.0043   0.8849   0.7956
  -1.250  -0.1495   0.02846   0.02115   0.0021   0.8805   0.8066
  -1.000  -0.1247   0.02877   0.02146   0.0030   0.8728   0.8132
  -0.750  -0.0912   0.02867   0.02132   0.0017   0.8672   0.8228
  -0.500  -0.0614   0.02887   0.02152   0.0014   0.8598   0.8300
  -0.250  -0.0306   0.02877   0.02140   0.0006   0.8533   0.8385
   0.000  -0.0001   0.02888   0.02151   0.0000   0.8456   0.8456
   0.250   0.0309   0.02877   0.02139  -0.0007   0.8384   0.8532
   0.500   0.0615   0.02886   0.02151  -0.0014   0.8299   0.8598
   0.750   0.0913   0.02867   0.02132  -0.0017   0.8229   0.8672
   1.000   0.1244   0.02877   0.02146  -0.0029   0.8133   0.8728
   1.250   0.1491   0.02848   0.02117  -0.0021   0.8067   0.8806
   1.500   0.1869   0.02853   0.02128  -0.0042   0.7958   0.8850
   1.750   0.2045   0.02848   0.02126  -0.0026   0.7854   0.8923
   2.000   0.2469   0.02806   0.02088  -0.0045   0.7780   0.8969
   2.250   0.2848   0.02795   0.02084  -0.0064   0.7663   0.9013
   2.500   0.2858   0.02787   0.02078  -0.0018   0.7546   0.9097
   2.750   0.3448   0.02716   0.02015  -0.0061   0.7478   0.9120
   3.000   0.3789   0.02691   0.01999  -0.0071   0.7351   0.9167
   3.250   0.3846   0.02679   0.01992  -0.0033   0.7226   0.9242
   3.500   0.4298   0.02621   0.01944  -0.0058   0.7108   0.9273
   3.750   0.4687   0.02543   0.01872  -0.0067   0.7005   0.9313
   4.000   0.4930   0.02478   0.01815  -0.0054   0.6888   0.9369
   4.250   0.5239   0.02410   0.01756  -0.0053   0.6748   0.9412
   4.500   0.5601   0.02326   0.01681  -0.0061   0.6601   0.9453
   4.750   0.5878   0.02245   0.01609  -0.0053   0.6451   0.9505
   5.000   0.6159   0.02164   0.01536  -0.0047   0.6279   0.9551
   5.250   0.6512   0.02083   0.01466  -0.0055   0.6052   0.9593
   5.500   0.6810   0.02007   0.01394  -0.0052   0.5812   0.9643
   5.750   0.7083   0.01950   0.01339  -0.0047   0.5520   0.9691
   6.000   0.7419   0.01907   0.01288  -0.0054   0.5134   0.9733
   6.250   0.7683   0.01908   0.01274  -0.0052   0.4701   0.9787
   6.500   0.7938   0.01937   0.01281  -0.0052   0.4230   0.9835
   6.750   0.8201   0.01990   0.01318  -0.0058   0.3731   0.9887
   7.000   0.8440   0.02063   0.01369  -0.0062   0.3266   0.9943
   7.250   0.8693   0.02153   0.01435  -0.0071   0.2816   0.9999
   7.500   0.8735   0.02228   0.01496  -0.0040   0.2541   1.0000
   7.750   0.8752   0.02304   0.01553  -0.0005   0.2313   1.0000
   8.000   0.8742   0.02371   0.01618   0.0034   0.2104   1.0000
   8.250   0.8699   0.02433   0.01672   0.0078   0.1942   1.0000
   8.500   0.8609   0.02483   0.01717   0.0130   0.1815   1.0000
   8.750   0.8525   0.02534   0.01758   0.0181   0.1699   1.0000
   9.000   0.8574   0.02625   0.01844   0.0206   0.1533   1.0000
   9.250   0.8683   0.02740   0.01949   0.0222   0.1365   1.0000
   9.500   0.8821   0.02870   0.02071   0.0234   0.1217   1.0000
   9.750   0.8965   0.03010   0.02206   0.0245   0.1088   1.0000
  10.000   0.9141   0.03173   0.02368   0.0252   0.0979   1.0000
  10.250   0.9359   0.03361   0.02548   0.0254   0.0884   1.0000
  10.500   0.9474   0.03500   0.02697   0.0268   0.0808   1.0000
  10.750   0.9696   0.03741   0.02948   0.0269   0.0743   1.0000
  11.000   0.9789   0.03903   0.03130   0.0285   0.0691   1.0000
  11.250   0.9994   0.04188   0.03413   0.0284   0.0639   1.0000
  11.500   0.9994   0.04399   0.03660   0.0309   0.0612   1.0000
  11.750   1.0013   0.04594   0.03875   0.0327   0.0578   1.0000
  12.000   1.0091   0.04795   0.04075   0.0336   0.0547   1.0000
  12.250   1.0132   0.05238   0.04536   0.0343   0.0527   1.0000
  12.500   0.9995   0.05521   0.04852   0.0362   0.0522   1.0000
  12.750   0.9830   0.05846   0.05209   0.0375   0.0516   1.0000
  13.000   0.9648   0.06228   0.05619   0.0380   0.0512   1.0000
  13.250   0.9450   0.06654   0.06070   0.0378   0.0511   1.0000
  13.500   0.9239   0.07145   0.06585   0.0369   0.0513   1.0000
  13.750   0.8996   0.07703   0.07164   0.0350   0.0514   1.0000
  14.000   0.8738   0.08331   0.07811   0.0322   0.0517   1.0000
  14.250   0.8468   0.09059   0.08554   0.0283   0.0521   1.0000
  14.500   0.8232   0.09854   0.09359   0.0242   0.0528   1.0000
  14.750   0.7005   0.13368   0.12894   0.0013   0.0657   1.0000
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