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EPPLER 540 AIRFOIL (e540-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 540 AIRFOIL (e540-il)
Reynolds number: 1,000,000
Max Cl/Cd: 97.47 at α=4°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e540-il-1000000-n5.txt
Download as CSV file: xf-e540-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 540 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
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.6573   0.07349   0.07147  -0.0724   1.0000   0.0021
 -14.250  -0.6840   0.06533   0.06316  -0.0765   1.0000   0.0021
 -14.000  -0.7016   0.05802   0.05564  -0.0813   0.9991   0.0021
 -13.750  -0.7342   0.04962   0.04690  -0.0847   0.9964   0.0021
 -13.500  -0.7350   0.04706   0.04425  -0.0846   0.9889   0.0021
 -13.250  -0.7563   0.04192   0.03882  -0.0843   0.9649   0.0021
 -13.000  -0.7476   0.03737   0.03394  -0.0886   0.9531   0.0021
 -12.750  -0.7227   0.03391   0.03019  -0.0943   0.9432   0.0021
 -12.500  -0.6931   0.03022   0.02613  -0.1007   0.9328   0.0021
 -12.250  -0.6596   0.02755   0.02312  -0.1062   0.9162   0.0021
 -12.000  -0.6374   0.02586   0.02113  -0.1080   0.8900   0.0021
 -11.750  -0.6248   0.02482   0.01987  -0.1070   0.8704   0.0021
 -11.500  -0.6130   0.02389   0.01878  -0.1056   0.8558   0.0021
 -11.000  -0.5896   0.02191   0.01647  -0.1024   0.8333   0.0021
 -10.750  -0.5765   0.02104   0.01547  -0.1009   0.8242   0.0021
 -10.250  -0.5473   0.01961   0.01382  -0.0982   0.8078   0.0021
 -10.000  -0.5327   0.01893   0.01302  -0.0967   0.8003   0.0021
  -9.750  -0.5174   0.01826   0.01226  -0.0953   0.7937   0.0022
  -9.500  -0.5013   0.01771   0.01164  -0.0940   0.7874   0.0022
  -9.250  -0.4853   0.01713   0.01098  -0.0927   0.7820   0.0022
  -9.000  -0.4692   0.01658   0.01035  -0.0913   0.7764   0.0022
  -8.750  -0.4521   0.01613   0.00984  -0.0901   0.7711   0.0022
  -8.500  -0.4359   0.01560   0.00924  -0.0887   0.7660   0.0023
  -8.250  -0.4195   0.01512   0.00870  -0.0873   0.7609   0.0023
  -8.000  -0.4017   0.01474   0.00827  -0.0861   0.7565   0.0023
  -7.750  -0.3840   0.01433   0.00782  -0.0849   0.7522   0.0024
  -7.500  -0.3693   0.01380   0.00722  -0.0831   0.7479   0.0027
  -7.000  -0.3342   0.01307   0.00642  -0.0804   0.7405   0.0032
  -6.750  -0.3162   0.01274   0.00606  -0.0792   0.7366   0.0035
  -6.500  -0.2985   0.01243   0.00571  -0.0778   0.7326   0.0037
  -6.250  -0.2817   0.01211   0.00535  -0.0762   0.7291   0.0047
  -6.000  -0.2648   0.01178   0.00501  -0.0747   0.7260   0.0058
  -5.750  -0.2483   0.01148   0.00471  -0.0731   0.7227   0.0074
  -5.500  -0.2345   0.01120   0.00441  -0.0709   0.7194   0.0104
  -5.250  -0.2221   0.01098   0.00419  -0.0683   0.7163   0.0148
  -5.000  -0.2042   0.01074   0.00397  -0.0668   0.7134   0.0210
  -4.750  -0.1863   0.01046   0.00375  -0.0654   0.7104   0.0348
  -4.500  -0.1674   0.01019   0.00354  -0.0641   0.7074   0.0516
  -4.250  -0.1549   0.00964   0.00325  -0.0618   0.7046   0.1127
  -4.000  -0.1412   0.00907   0.00294  -0.0597   0.7021   0.1857
  -3.750  -0.1270   0.00841   0.00262  -0.0578   0.6996   0.2773
  -3.500  -0.1155   0.00741   0.00216  -0.0557   0.6969   0.4193
  -3.250  -0.1035   0.00616   0.00165  -0.0537   0.6941   0.6110
  -3.000  -0.0766   0.00611   0.00170  -0.0537   0.6917   0.6619
  -2.750  -0.0481   0.00616   0.00172  -0.0540   0.6895   0.6779
  -2.500  -0.0195   0.00626   0.00178  -0.0543   0.6873   0.6899
  -2.250   0.0094   0.00639   0.00192  -0.0547   0.6852   0.6994
  -2.000   0.0383   0.00648   0.00198  -0.0550   0.6829   0.7062
  -1.750   0.0673   0.00650   0.00198  -0.0555   0.6806   0.7078
  -1.500   0.0961   0.00650   0.00195  -0.0559   0.6783   0.7085
  -1.250   0.1248   0.00651   0.00192  -0.0564   0.6759   0.7092
  -1.000   0.1535   0.00652   0.00189  -0.0568   0.6737   0.7098
  -0.750   0.1823   0.00653   0.00188  -0.0572   0.6715   0.7106
  -0.500   0.2113   0.00653   0.00187  -0.0577   0.6690   0.7114
  -0.250   0.2400   0.00654   0.00185  -0.0582   0.6659   0.7122
   0.000   0.2685   0.00655   0.00184  -0.0585   0.6625   0.7129
   0.250   0.2966   0.00658   0.00183  -0.0589   0.6591   0.7136
   0.500   0.3253   0.00658   0.00183  -0.0593   0.6558   0.7143
   0.750   0.3538   0.00659   0.00183  -0.0597   0.6519   0.7150
   1.000   0.3820   0.00661   0.00183  -0.0600   0.6478   0.7157
   1.250   0.4099   0.00664   0.00184  -0.0603   0.6437   0.7163
   1.500   0.4383   0.00665   0.00186  -0.0607   0.6390   0.7170
   1.750   0.4662   0.00668   0.00187  -0.0610   0.6340   0.7177
   2.000   0.4939   0.00672   0.00189  -0.0612   0.6292   0.7183
   2.250   0.5219   0.00673   0.00192  -0.0615   0.6235   0.7190
   2.500   0.5490   0.00676   0.00195  -0.0616   0.6173   0.7196
   2.750   0.5765   0.00679   0.00199  -0.0618   0.6104   0.7203
   3.000   0.6030   0.00684   0.00204  -0.0618   0.6023   0.7209
   3.250   0.6299   0.00689   0.00209  -0.0619   0.5928   0.7215
   3.500   0.6558   0.00696   0.00215  -0.0617   0.5813   0.7222
   3.750   0.6806   0.00707   0.00223  -0.0614   0.5655   0.7228
   4.000   0.7037   0.00722   0.00233  -0.0607   0.5453   0.7235
   4.250   0.7250   0.00744   0.00246  -0.0596   0.5181   0.7242
   4.500   0.7434   0.00777   0.00264  -0.0580   0.4823   0.7250
   4.750   0.7592   0.00818   0.00288  -0.0560   0.4419   0.7258
   5.000   0.7745   0.00861   0.00316  -0.0538   0.4035   0.7267
   5.250   0.7906   0.00899   0.00341  -0.0519   0.3706   0.7277
   5.500   0.8047   0.00935   0.00365  -0.0495   0.3399   0.7287
   5.750   0.8173   0.00972   0.00390  -0.0468   0.3107   0.7295
   6.000   0.8286   0.01015   0.00419  -0.0439   0.2799   0.7303
   6.250   0.8415   0.01059   0.00452  -0.0414   0.2525   0.7311
   6.500   0.8543   0.01104   0.00488  -0.0390   0.2276   0.7318
   6.750   0.8633   0.01164   0.00531  -0.0359   0.1943   0.7325
   7.000   0.8739   0.01217   0.00573  -0.0332   0.1677   0.7334
   7.250   0.8866   0.01265   0.00614  -0.0310   0.1493   0.7343
   7.500   0.8998   0.01314   0.00657  -0.0289   0.1318   0.7352
   7.750   0.9115   0.01370   0.00707  -0.0266   0.1134   0.7360
   8.000   0.9234   0.01428   0.00758  -0.0244   0.0976   0.7369
   8.250   0.9365   0.01483   0.00811  -0.0226   0.0850   0.7378
   8.500   0.9502   0.01539   0.00865  -0.0208   0.0742   0.7388
   8.750   0.9640   0.01596   0.00920  -0.0191   0.0649   0.7398
   9.000   0.9764   0.01662   0.00983  -0.0174   0.0546   0.7409
   9.250   0.9878   0.01736   0.01052  -0.0155   0.0436   0.7419
   9.500   0.9987   0.01815   0.01126  -0.0136   0.0333   0.7429
   9.750   1.0116   0.01887   0.01196  -0.0121   0.0279   0.7438
  10.000   1.0247   0.01959   0.01268  -0.0107   0.0228   0.7446
  10.250   1.0376   0.02035   0.01344  -0.0093   0.0192   0.7455
  10.500   1.0510   0.02110   0.01421  -0.0080   0.0163   0.7462
  11.000   1.0775   0.02266   0.01581  -0.0056   0.0126   0.7480
  11.250   1.0912   0.02343   0.01662  -0.0045   0.0113   0.7490
  11.500   1.1041   0.02427   0.01750  -0.0034   0.0102   0.7500
  11.750   1.1152   0.02524   0.01848  -0.0021   0.0082   0.7509
  12.000   1.1280   0.02612   0.01941  -0.0011   0.0073   0.7519
  12.250   1.1392   0.02713   0.02045   0.0000   0.0059   0.7530
  12.500   1.1501   0.02818   0.02155   0.0011   0.0049   0.7540
  12.750   1.1611   0.02925   0.02267   0.0021   0.0043   0.7550
  13.000   1.1710   0.03043   0.02388   0.0032   0.0035   0.7562
  13.250   1.1806   0.03166   0.02515   0.0042   0.0029   0.7574
  13.500   1.1909   0.03286   0.02642   0.0051   0.0027   0.7586
  13.750   1.2010   0.03412   0.02773   0.0059   0.0025   0.7596
  14.000   1.2103   0.03547   0.02913   0.0067   0.0023   0.7606
  14.500   1.2246   0.03859   0.03239   0.0084   0.0018   0.7626
  14.750   1.2313   0.04026   0.03414   0.0091   0.0016   0.7637
  15.000   1.2401   0.04178   0.03572   0.0096   0.0015   0.7649
  15.250   1.2462   0.04358   0.03763   0.0102   0.0014   0.7660
  15.500   1.2532   0.04533   0.03946   0.0106   0.0014   0.7673
  15.750   1.2597   0.04718   0.04138   0.0110   0.0014   0.7685
  16.000   1.2643   0.04927   0.04355   0.0113   0.0012   0.7697
  16.250   1.2683   0.05149   0.04586   0.0115   0.0012   0.7709
  16.500   1.2720   0.05380   0.04825   0.0116   0.0011   0.7721
  16.750   1.2748   0.05625   0.05078   0.0116   0.0010   0.7733
  17.000   1.2782   0.05873   0.05335   0.0115   0.0011   0.7744
  17.250   1.2759   0.06195   0.05667   0.0113   0.0009   0.7753
  17.500   1.2748   0.06512   0.05995   0.0108   0.0009   0.7766
  17.750   1.2743   0.06830   0.06323   0.0102   0.0009   0.7778
  18.000   1.2710   0.07196   0.06702   0.0094   0.0009   0.7791
  18.250   1.2652   0.07610   0.07129   0.0083   0.0008   0.7804
  18.500   1.2565   0.08083   0.07617   0.0068   0.0008   0.7817
  18.750   1.2488   0.08556   0.08102   0.0051   0.0008   0.7830
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