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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 100,000
Max Cl/Cd: 37.75 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e837-il-100000-n5.txt
Download as CSV file: xf-e837-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER E837 HYDROFOIL 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.000  -0.7237   0.12703   0.12197  -0.0104   1.0000   0.0198
 -15.750  -0.7704   0.11090   0.10560  -0.0203   1.0000   0.0189
 -15.500  -0.7980   0.10099   0.09550  -0.0263   1.0000   0.0187
 -15.250  -0.8191   0.09319   0.08748  -0.0307   1.0000   0.0187
 -15.000  -0.8366   0.08657   0.08063  -0.0340   1.0000   0.0186
 -14.750  -0.8501   0.08102   0.07488  -0.0365   1.0000   0.0187
 -14.500  -0.8615   0.07598   0.06962  -0.0384   1.0000   0.0188
 -14.250  -0.8701   0.07160   0.06504  -0.0397   1.0000   0.0190
 -14.000  -0.8761   0.06766   0.06091  -0.0407   1.0000   0.0192
 -13.750  -0.8802   0.06405   0.05710  -0.0412   1.0000   0.0196
 -13.500  -0.8816   0.06078   0.05359  -0.0415   1.0000   0.0201
 -13.250  -0.8804   0.05786   0.05047  -0.0415   1.0000   0.0207
 -13.000  -0.8772   0.05519   0.04759  -0.0414   1.0000   0.0215
 -12.750  -0.8736   0.05274   0.04488  -0.0412   1.0000   0.0227
 -12.500  -0.8670   0.05035   0.04244  -0.0408   1.0000   0.0239
 -12.250  -0.8602   0.04827   0.04031  -0.0403   1.0000   0.0250
 -12.000  -0.8517   0.04636   0.03832  -0.0398   1.0000   0.0261
 -11.750  -0.8424   0.04452   0.03639  -0.0391   1.0000   0.0275
 -11.500  -0.8329   0.04276   0.03449  -0.0383   1.0000   0.0292
 -11.250  -0.8245   0.04100   0.03263  -0.0374   1.0000   0.0313
 -11.000  -0.8198   0.03912   0.03075  -0.0366   1.0000   0.0337
 -10.750  -0.8125   0.03749   0.02903  -0.0358   1.0000   0.0368
 -10.500  -0.8044   0.03593   0.02735  -0.0348   1.0000   0.0396
 -10.250  -0.8007   0.03413   0.02558  -0.0336   1.0000   0.0436
 -10.000  -0.7939   0.03263   0.02403  -0.0325   1.0000   0.0489
  -9.750  -0.7896   0.03101   0.02241  -0.0310   1.0000   0.0541
  -9.500  -0.7842   0.02954   0.02093  -0.0295   1.0000   0.0618
  -9.250  -0.7806   0.02807   0.01954  -0.0278   1.0000   0.0728
  -9.000  -0.7772   0.02671   0.01828  -0.0258   1.0000   0.0881
  -8.750  -0.7761   0.02545   0.01717  -0.0234   1.0000   0.1060
  -8.500  -0.7781   0.02443   0.01630  -0.0201   1.0000   0.1266
  -8.250  -0.7707   0.02323   0.01528  -0.0189   0.9773   0.1597
  -8.000  -0.7525   0.02179   0.01410  -0.0197   0.9519   0.2130
  -7.750  -0.7382   0.02043   0.01307  -0.0194   0.9323   0.2754
  -7.500  -0.7253   0.01940   0.01236  -0.0181   0.9163   0.3397
  -7.250  -0.7102   0.01883   0.01202  -0.0164   0.9029   0.3966
  -7.000  -0.6916   0.01858   0.01184  -0.0149   0.8916   0.4408
  -6.750  -0.6711   0.01849   0.01169  -0.0136   0.8820   0.4752
  -6.500  -0.6513   0.01847   0.01158  -0.0121   0.8717   0.5021
  -6.250  -0.6282   0.01857   0.01159  -0.0110   0.8634   0.5233
  -6.000  -0.6059   0.01861   0.01150  -0.0099   0.8552   0.5415
  -5.750  -0.5832   0.01868   0.01142  -0.0089   0.8474   0.5572
  -5.500  -0.5591   0.01879   0.01137  -0.0080   0.8403   0.5708
  -5.250  -0.5341   0.01891   0.01139  -0.0073   0.8334   0.5824
  -5.000  -0.5094   0.01898   0.01132  -0.0066   0.8267   0.5932
  -4.750  -0.4860   0.01896   0.01115  -0.0059   0.8206   0.6040
  -4.500  -0.4591   0.01910   0.01118  -0.0055   0.8141   0.6122
  -4.250  -0.4339   0.01911   0.01107  -0.0049   0.8090   0.6210
  -4.000  -0.4097   0.01912   0.01097  -0.0044   0.8022   0.6296
  -3.750  -0.3833   0.01916   0.01092  -0.0040   0.7968   0.6363
  -3.500  -0.3587   0.01912   0.01075  -0.0035   0.7915   0.6440
  -3.250  -0.3330   0.01913   0.01069  -0.0032   0.7855   0.6501
  -3.000  -0.3070   0.01911   0.01058  -0.0029   0.7807   0.6564
  -2.750  -0.2828   0.01904   0.01042  -0.0025   0.7751   0.6632
  -2.500  -0.2560   0.01908   0.01040  -0.0023   0.7697   0.6682
  -2.250  -0.2325   0.01892   0.01011  -0.0018   0.7653   0.6756
  -2.000  -0.2055   0.01898   0.01017  -0.0017   0.7596   0.6797
  -1.750  -0.1796   0.01896   0.01010  -0.0015   0.7545   0.6849
  -1.500  -0.1550   0.01882   0.00986  -0.0011   0.7504   0.6914
  -1.250  -0.1285   0.01888   0.00994  -0.0010   0.7447   0.6953
  -1.000  -0.1028   0.01886   0.00988  -0.0008   0.7396   0.7004
  -0.750  -0.0775   0.01875   0.00970  -0.0005   0.7357   0.7064
  -0.500  -0.0514   0.01882   0.00980  -0.0004   0.7300   0.7102
  -0.250  -0.0258   0.01881   0.00978  -0.0002   0.7249   0.7154
   0.000   0.0000   0.01873   0.00964   0.0000   0.7211   0.7211
   0.250   0.0258   0.01881   0.00978   0.0002   0.7154   0.7249
   0.500   0.0514   0.01882   0.00980   0.0004   0.7102   0.7300
   0.750   0.0775   0.01875   0.00970   0.0005   0.7064   0.7357
   1.000   0.1028   0.01886   0.00988   0.0008   0.7004   0.7396
   1.250   0.1285   0.01888   0.00994   0.0010   0.6953   0.7447
   1.500   0.1550   0.01882   0.00986   0.0011   0.6914   0.7504
   1.750   0.1796   0.01896   0.01010   0.0015   0.6849   0.7545
   2.000   0.2055   0.01897   0.01017   0.0017   0.6797   0.7597
   2.250   0.2325   0.01892   0.01012   0.0018   0.6756   0.7653
   2.500   0.2560   0.01907   0.01040   0.0023   0.6682   0.7697
   2.750   0.2829   0.01904   0.01042   0.0025   0.6632   0.7751
   3.000   0.3070   0.01911   0.01058   0.0029   0.6564   0.7807
   3.250   0.3330   0.01913   0.01069   0.0032   0.6501   0.7855
   3.500   0.3587   0.01912   0.01075   0.0035   0.6439   0.7915
   3.750   0.3833   0.01916   0.01092   0.0040   0.6363   0.7968
   4.000   0.4097   0.01912   0.01097   0.0044   0.6296   0.8022
   4.250   0.4340   0.01911   0.01106   0.0049   0.6210   0.8090
   4.500   0.4592   0.01910   0.01118   0.0055   0.6123   0.8141
   4.750   0.4860   0.01896   0.01115   0.0059   0.6040   0.8206
   5.000   0.5095   0.01898   0.01132   0.0066   0.5932   0.8268
   5.250   0.5342   0.01891   0.01139   0.0073   0.5824   0.8334
   5.500   0.5592   0.01879   0.01137   0.0080   0.5709   0.8403
   5.750   0.5833   0.01868   0.01142   0.0088   0.5572   0.8474
   6.000   0.6060   0.01861   0.01149   0.0099   0.5415   0.8552
   6.250   0.6283   0.01857   0.01159   0.0110   0.5234   0.8634
   6.500   0.6514   0.01847   0.01158   0.0121   0.5022   0.8717
   6.750   0.6713   0.01849   0.01169   0.0135   0.4753   0.8820
   7.000   0.6917   0.01857   0.01183   0.0149   0.4408   0.8917
   7.250   0.7104   0.01882   0.01201   0.0164   0.3966   0.9030
   7.500   0.7256   0.01940   0.01236   0.0181   0.3398   0.9164
   7.750   0.7386   0.02042   0.01307   0.0194   0.2757   0.9323
   8.000   0.7528   0.02180   0.01410   0.0196   0.2129   0.9520
   8.250   0.7711   0.02324   0.01528   0.0188   0.1592   0.9775
   8.500   0.7783   0.02443   0.01629   0.0201   0.1260   1.0000
   8.750   0.7766   0.02544   0.01716   0.0233   0.1058   1.0000
   9.000   0.7776   0.02671   0.01828   0.0257   0.0880   1.0000
   9.250   0.7811   0.02807   0.01955   0.0277   0.0725   1.0000
   9.500   0.7848   0.02954   0.02092   0.0294   0.0619   1.0000
   9.750   0.7904   0.03099   0.02240   0.0309   0.0542   1.0000
  10.000   0.7947   0.03262   0.02402   0.0324   0.0485   1.0000
  10.250   0.8015   0.03413   0.02558   0.0335   0.0436   1.0000
  10.500   0.8050   0.03594   0.02735   0.0347   0.0399   1.0000
  10.750   0.8134   0.03747   0.02902   0.0357   0.0363   1.0000
  11.000   0.8207   0.03912   0.03075   0.0365   0.0336   1.0000
  11.250   0.8251   0.04105   0.03267   0.0373   0.0311   1.0000
  11.500   0.8340   0.04275   0.03448   0.0381   0.0291   1.0000
  11.750   0.8435   0.04451   0.03638   0.0389   0.0274   1.0000
  12.000   0.8527   0.04637   0.03833   0.0396   0.0260   1.0000
  12.250   0.8611   0.04829   0.04033   0.0402   0.0249   1.0000
  12.500   0.8673   0.05039   0.04246   0.0405   0.0237   1.0000
  12.750   0.8745   0.05274   0.04489   0.0411   0.0226   1.0000
  13.000   0.8785   0.05519   0.04759   0.0412   0.0215   1.0000
  13.250   0.8822   0.05786   0.05047   0.0414   0.0208   1.0000
  13.500   0.8823   0.06083   0.05364   0.0413   0.0199   1.0000
  13.750   0.8815   0.06406   0.05710   0.0410   0.0196   1.0000
  14.000   0.8776   0.06766   0.06091   0.0405   0.0192   1.0000
  14.250   0.8716   0.07160   0.06505   0.0395   0.0190   1.0000
  14.500   0.8630   0.07604   0.06969   0.0382   0.0189   1.0000
  14.750   0.8520   0.08091   0.07475   0.0363   0.0186   1.0000
  15.000   0.8379   0.08664   0.08070   0.0337   0.0185   1.0000
  15.250   0.8210   0.09314   0.08742   0.0304   0.0186   1.0000
  15.500   0.7993   0.10108   0.09559   0.0260   0.0187   1.0000
  15.750   0.7721   0.11093   0.10566   0.0201   0.0189   1.0000
  16.000   0.7229   0.12783   0.12279   0.0097   0.0198   1.0000
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