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EPPLER 520 AIRFOIL (e520-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 520 AIRFOIL (e520-il)
Reynolds number: 1,000,000
Max Cl/Cd: 71.76 at α=6.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e520-il-1000000.txt
Download as CSV file: xf-e520-il-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -1.0801   0.11189   0.10879  -0.0002   1.0000   0.0034
 -18.500  -1.0983   0.10420   0.10097  -0.0045   1.0000   0.0034
 -18.250  -1.1149   0.09693   0.09358  -0.0085   1.0000   0.0034
 -18.000  -1.1329   0.08961   0.08613  -0.0124   1.0000   0.0034
 -17.750  -1.1469   0.08324   0.07963  -0.0157   1.0000   0.0034
 -17.500  -1.1538   0.07819   0.07448  -0.0183   1.0000   0.0034
 -17.250  -1.1721   0.07153   0.06767  -0.0215   1.0000   0.0034
 -17.000  -1.1792   0.06684   0.06287  -0.0236   1.0000   0.0034
 -16.750  -1.1899   0.06180   0.05771  -0.0257   1.0000   0.0034
 -16.500  -1.2180   0.05478   0.05049  -0.0282   1.0000   0.0037
 -16.250  -1.2188   0.05157   0.04719  -0.0291   1.0000   0.0036
 -16.000  -1.2301   0.04733   0.04284  -0.0299   1.0000   0.0040
 -15.750  -1.2319   0.04437   0.03978  -0.0303   1.0000   0.0040
 -15.500  -1.2312   0.04182   0.03714  -0.0304   1.0000   0.0040
 -15.250  -1.2299   0.03946   0.03469  -0.0303   1.0000   0.0039
 -15.000  -1.2263   0.03744   0.03263  -0.0301   1.0000   0.0045
 -14.750  -1.2257   0.03519   0.03028  -0.0296   1.0000   0.0044
 -14.500  -1.2204   0.03344   0.02846  -0.0291   1.0000   0.0046
 -14.250  -1.2157   0.03168   0.02661  -0.0284   1.0000   0.0047
 -14.000  -1.2046   0.03049   0.02537  -0.0279   1.0000   0.0051
 -13.750  -1.2026   0.02859   0.02339  -0.0268   1.0000   0.0054
 -13.500  -1.1976   0.02699   0.02172  -0.0258   1.0000   0.0058
 -13.250  -1.1902   0.02560   0.02030  -0.0247   1.0000   0.0063
 -13.000  -1.1791   0.02452   0.01918  -0.0239   1.0000   0.0068
 -12.750  -1.1678   0.02347   0.01808  -0.0230   1.0000   0.0072
 -12.500  -1.1591   0.02226   0.01682  -0.0218   1.0000   0.0081
 -12.250  -1.1360   0.02137   0.01569  -0.0230   0.8768   0.0094
 -12.000  -1.1251   0.02070   0.01486  -0.0214   0.8510   0.0101
 -11.750  -1.1157   0.01985   0.01390  -0.0197   0.8366   0.0112
 -11.500  -1.1045   0.01908   0.01309  -0.0181   0.8265   0.0124
 -11.250  -1.0916   0.01846   0.01239  -0.0166   0.8186   0.0134
 -11.000  -1.0778   0.01789   0.01175  -0.0151   0.8117   0.0141
 -10.750  -1.0680   0.01718   0.01099  -0.0129   0.8059   0.0159
 -10.500  -1.0556   0.01662   0.01041  -0.0109   0.8011   0.0174
 -10.250  -1.0414   0.01621   0.00994  -0.0090   0.7965   0.0185
 -10.000  -1.0276   0.01575   0.00942  -0.0071   0.7923   0.0205
  -9.750  -1.0101   0.01526   0.00893  -0.0058   0.7886   0.0232
  -9.500  -0.9898   0.01488   0.00852  -0.0048   0.7852   0.0252
  -9.250  -0.9712   0.01437   0.00802  -0.0037   0.7819   0.0302
  -9.000  -0.9504   0.01398   0.00761  -0.0028   0.7788   0.0348
  -8.750  -0.9297   0.01354   0.00720  -0.0020   0.7758   0.0413
  -8.500  -0.9083   0.01309   0.00679  -0.0012   0.7730   0.0494
  -8.250  -0.8866   0.01264   0.00639  -0.0006   0.7703   0.0604
  -8.000  -0.8641   0.01223   0.00603   0.0001   0.7677   0.0718
  -7.750  -0.8415   0.01183   0.00568   0.0006   0.7650   0.0855
  -7.500  -0.8181   0.01149   0.00536   0.0011   0.7622   0.0988
  -7.250  -0.7941   0.01111   0.00505   0.0015   0.7600   0.1140
  -7.000  -0.7698   0.01075   0.00476   0.0018   0.7577   0.1310
  -6.750  -0.7454   0.01039   0.00447   0.0021   0.7553   0.1494
  -6.500  -0.7207   0.01005   0.00420   0.0024   0.7528   0.1693
  -6.250  -0.6958   0.00971   0.00394   0.0027   0.7505   0.1919
  -6.000  -0.6711   0.00937   0.00370   0.0030   0.7481   0.2195
  -5.750  -0.6460   0.00901   0.00345   0.0032   0.7459   0.2491
  -5.500  -0.6201   0.00869   0.00324   0.0033   0.7437   0.2761
  -5.250  -0.5945   0.00835   0.00303   0.0034   0.7413   0.3074
  -5.000  -0.5686   0.00802   0.00282   0.0035   0.7390   0.3399
  -4.750  -0.5421   0.00775   0.00263   0.0036   0.7367   0.3690
  -4.500  -0.5157   0.00748   0.00246   0.0036   0.7342   0.4021
  -4.250  -0.4890   0.00724   0.00232   0.0036   0.7317   0.4350
  -4.000  -0.4618   0.00698   0.00218   0.0036   0.7292   0.4652
  -3.750  -0.4344   0.00676   0.00205   0.0035   0.7264   0.4948
  -3.500  -0.4068   0.00656   0.00194   0.0035   0.7236   0.5240
  -3.250  -0.3789   0.00641   0.00185   0.0034   0.7211   0.5489
  -3.000  -0.3506   0.00634   0.00180   0.0032   0.7183   0.5703
  -2.750  -0.3220   0.00626   0.00177   0.0030   0.7157   0.5883
  -2.500  -0.2930   0.00619   0.00173   0.0028   0.7128   0.6030
  -2.250  -0.2639   0.00615   0.00170   0.0025   0.7098   0.6154
  -2.000  -0.2349   0.00612   0.00167   0.0023   0.7068   0.6261
  -1.750  -0.2058   0.00612   0.00166   0.0021   0.7037   0.6347
  -1.500  -0.1763   0.00612   0.00165   0.0017   0.7005   0.6431
  -1.250  -0.1470   0.00609   0.00165   0.0015   0.6970   0.6497
  -1.000  -0.1175   0.00609   0.00163   0.0011   0.6935   0.6564
  -0.750  -0.0883   0.00609   0.00162   0.0009   0.6900   0.6620
  -0.500  -0.0589   0.00611   0.00163   0.0006   0.6863   0.6676
  -0.250  -0.0292   0.00611   0.00162   0.0002   0.6818   0.6728
   0.000   0.0000   0.00607   0.00161   0.0000   0.6770   0.6772
   0.250   0.0293   0.00610   0.00162  -0.0003   0.6724   0.6815
   0.500   0.0589   0.00610   0.00162  -0.0006   0.6673   0.6859
   0.750   0.0883   0.00609   0.00161  -0.0009   0.6620   0.6898
   1.000   0.1176   0.00609   0.00163  -0.0012   0.6566   0.6934
   1.250   0.1471   0.00609   0.00165  -0.0015   0.6499   0.6971
   1.500   0.1763   0.00612   0.00165  -0.0017   0.6431   0.7006
   1.750   0.2058   0.00612   0.00166  -0.0021   0.6347   0.7037
   2.000   0.2349   0.00612   0.00167  -0.0023   0.6261   0.7068
   2.250   0.2639   0.00615   0.00170  -0.0025   0.6155   0.7098
   2.500   0.2931   0.00619   0.00173  -0.0028   0.6030   0.7129
   2.750   0.3220   0.00626   0.00177  -0.0030   0.5882   0.7158
   3.000   0.3506   0.00634   0.00180  -0.0032   0.5701   0.7183
   3.250   0.3790   0.00641   0.00185  -0.0034   0.5490   0.7211
   3.500   0.4069   0.00656   0.00194  -0.0035   0.5240   0.7237
   3.750   0.4344   0.00676   0.00205  -0.0035   0.4947   0.7264
   4.000   0.4618   0.00698   0.00218  -0.0036   0.4651   0.7292
   4.250   0.4891   0.00723   0.00232  -0.0037   0.4353   0.7317
   4.500   0.5158   0.00748   0.00246  -0.0036   0.4021   0.7342
   4.750   0.5422   0.00775   0.00263  -0.0036   0.3692   0.7367
   5.000   0.5687   0.00802   0.00282  -0.0035   0.3397   0.7390
   5.250   0.5946   0.00835   0.00302  -0.0034   0.3074   0.7413
   5.500   0.6202   0.00869   0.00324  -0.0033   0.2758   0.7437
   5.750   0.6461   0.00901   0.00346  -0.0032   0.2488   0.7460
   6.000   0.6713   0.00936   0.00370  -0.0030   0.2199   0.7481
   6.250   0.6961   0.00970   0.00394  -0.0027   0.1924   0.7505
   6.500   0.7209   0.01005   0.00420  -0.0025   0.1693   0.7528
   6.750   0.7456   0.01039   0.00447  -0.0022   0.1493   0.7553
   7.000   0.7700   0.01076   0.00476  -0.0019   0.1308   0.7577
   7.250   0.7944   0.01111   0.00505  -0.0015   0.1138   0.7600
   7.500   0.8184   0.01149   0.00536  -0.0012   0.0988   0.7622
   7.750   0.8418   0.01183   0.00568  -0.0007   0.0853   0.7650
   8.000   0.8646   0.01223   0.00602  -0.0001   0.0721   0.7676
   8.250   0.8869   0.01266   0.00639   0.0005   0.0599   0.7703
   8.500   0.9088   0.01309   0.00678   0.0011   0.0496   0.7730
   8.750   0.9301   0.01355   0.00720   0.0019   0.0410   0.7758
   9.000   0.9509   0.01398   0.00761   0.0027   0.0346   0.7788
   9.250   0.9718   0.01437   0.00802   0.0036   0.0300   0.7819
   9.500   0.9904   0.01489   0.00852   0.0047   0.0251   0.7852
   9.750   1.0108   0.01526   0.00893   0.0056   0.0230   0.7886
  10.000   1.0285   0.01575   0.00943   0.0069   0.0205   0.7922
  10.250   1.0427   0.01621   0.00994   0.0088   0.0185   0.7964
  10.500   1.0568   0.01663   0.01041   0.0107   0.0172   0.8011
  10.750   1.0692   0.01718   0.01099   0.0127   0.0158   0.8059
  11.000   1.0785   0.01791   0.01177   0.0149   0.0141   0.8117
  11.250   1.0928   0.01845   0.01238   0.0164   0.0133   0.8185
  11.500   1.1056   0.01908   0.01309   0.0179   0.0123   0.8264
  11.750   1.1159   0.01990   0.01395   0.0196   0.0109   0.8366
  12.000   1.1254   0.02076   0.01492   0.0213   0.0101   0.8510
  12.250   1.1365   0.02141   0.01573   0.0229   0.0093   0.8768
  12.500   1.1608   0.02224   0.01681   0.0215   0.0082   1.0000
  12.750   1.1690   0.02349   0.01810   0.0227   0.0072   1.0000
  13.000   1.1815   0.02446   0.01911   0.0236   0.0067   1.0000
  13.250   1.1908   0.02567   0.02038   0.0246   0.0064   1.0000
  13.500   1.2007   0.02687   0.02159   0.0254   0.0058   1.0000
  13.750   1.2043   0.02859   0.02338   0.0266   0.0054   1.0000
  14.000   1.2099   0.03019   0.02506   0.0274   0.0050   1.0000
  14.250   1.2163   0.03177   0.02671   0.0282   0.0048   1.0000
  14.500   1.2218   0.03348   0.02850   0.0288   0.0048   1.0000
  14.750   1.2271   0.03524   0.03033   0.0293   0.0045   1.0000
  15.000   1.2315   0.03714   0.03228   0.0297   0.0040   1.0000
  15.250   1.2332   0.03936   0.03459   0.0300   0.0040   1.0000
  15.500   1.2348   0.04167   0.03699   0.0301   0.0041   1.0000
  15.750   1.2308   0.04471   0.04012   0.0300   0.0038   1.0000
  16.000   1.2260   0.04804   0.04355   0.0295   0.0037   1.0000
  16.250   1.2250   0.05108   0.04669   0.0288   0.0037   1.0000
  16.500   1.2143   0.05554   0.05127   0.0276   0.0036   1.0000
  16.750   1.1912   0.06194   0.05785   0.0253   0.0034   1.0000
  17.000   1.1918   0.06532   0.06131   0.0239   0.0035   1.0000
  17.250   1.1841   0.07008   0.06618   0.0218   0.0036   1.0000
  17.500   1.1654   0.07669   0.07295   0.0187   0.0034   1.0000
  17.750   1.1451   0.08391   0.08032   0.0150   0.0034   1.0000
  18.000   1.1379   0.08916   0.08567   0.0123   0.0034   1.0000
  18.250   1.1128   0.09769   0.09435   0.0077   0.0035   1.0000
  18.500   1.0965   0.10493   0.10171   0.0038   0.0034   1.0000
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