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EPPLER E837 HYDROFOIL AIRFOIL (e837-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: EPPLER E837 HYDROFOIL AIRFOIL (e837-il)
Reynolds number: 50,000
Max Cl/Cd: 25.49 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e837-il-50000-n5.txt
Download as CSV file: xf-e837-il-50000-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 =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.7313   0.10768   0.10042  -0.0276   1.0000   0.0404
 -14.500  -0.7519   0.09997   0.09257  -0.0319   1.0000   0.0403
 -14.250  -0.7707   0.09317   0.08558  -0.0354   1.0000   0.0402
 -14.000  -0.7883   0.08709   0.07930  -0.0383   1.0000   0.0402
 -13.500  -0.8081   0.07762   0.06955  -0.0414   1.0000   0.0417
 -13.250  -0.8125   0.07382   0.06562  -0.0422   1.0000   0.0427
 -13.000  -0.8162   0.07017   0.06181  -0.0429   1.0000   0.0439
 -12.750  -0.8177   0.06664   0.05807  -0.0432   1.0000   0.0453
 -12.500  -0.8148   0.06332   0.05449  -0.0431   1.0000   0.0470
 -12.250  -0.8077   0.06030   0.05113  -0.0427   1.0000   0.0494
 -12.000  -0.7966   0.05786   0.04852  -0.0423   1.0000   0.0527
 -11.750  -0.7857   0.05584   0.04648  -0.0418   1.0000   0.0567
 -11.500  -0.7672   0.05398   0.04428  -0.0408   1.0000   0.0621
 -11.250  -0.7536   0.05219   0.04254  -0.0400   1.0000   0.0673
 -11.000  -0.7424   0.05033   0.04051  -0.0392   1.0000   0.0754
 -10.750  -0.7351   0.04834   0.03863  -0.0384   1.0000   0.0830
 -10.500  -0.7276   0.04636   0.03666  -0.0374   1.0000   0.0926
 -10.250  -0.7241   0.04421   0.03460  -0.0365   1.0000   0.1059
 -10.000  -0.7223   0.04202   0.03253  -0.0355   1.0000   0.1223
  -9.750  -0.7223   0.03980   0.03049  -0.0343   1.0000   0.1440
  -9.500  -0.7240   0.03763   0.02850  -0.0330   1.0000   0.1700
  -9.250  -0.7278   0.03551   0.02668  -0.0313   1.0000   0.2006
  -9.000  -0.7324   0.03360   0.02507  -0.0291   1.0000   0.2360
  -8.750  -0.7366   0.03201   0.02374  -0.0265   1.0000   0.2748
  -8.500  -0.7400   0.03082   0.02287  -0.0232   1.0000   0.3166
  -8.250  -0.7413   0.03016   0.02250  -0.0194   1.0000   0.3583
  -8.000  -0.7405   0.03002   0.02259  -0.0152   1.0000   0.3963
  -7.750  -0.7443   0.03001   0.02269  -0.0103   1.0000   0.4269
  -7.500  -0.7501   0.03020   0.02294  -0.0049   1.0000   0.4518
  -7.250  -0.7660   0.03006   0.02279   0.0014   1.0000   0.4715
  -7.000  -0.7467   0.03043   0.02301   0.0025   0.9904   0.5020
  -6.750  -0.7121   0.03115   0.02344   0.0017   0.9795   0.5293
  -6.500  -0.6715   0.03218   0.02421   0.0006   0.9710   0.5497
  -6.250  -0.6347   0.03286   0.02463  -0.0003   0.9621   0.5673
  -6.000  -0.5947   0.03334   0.02482  -0.0021   0.9550   0.5835
  -5.750  -0.5595   0.03370   0.02491  -0.0031   0.9464   0.5968
  -5.500  -0.5188   0.03394   0.02490  -0.0053   0.9404   0.6094
  -5.250  -0.4900   0.03392   0.02467  -0.0057   0.9312   0.6215
  -5.000  -0.4595   0.03374   0.02427  -0.0068   0.9235   0.6338
  -4.750  -0.4256   0.03387   0.02419  -0.0078   0.9159   0.6428
  -4.500  -0.3905   0.03381   0.02394  -0.0092   0.9095   0.6517
  -4.250  -0.3721   0.03341   0.02339  -0.0086   0.9000   0.6627
  -4.000  -0.3346   0.03351   0.02334  -0.0101   0.8942   0.6692
  -3.750  -0.3158   0.03318   0.02286  -0.0094   0.8855   0.6788
  -3.500  -0.2876   0.03308   0.02262  -0.0097   0.8785   0.6862
  -3.250  -0.2661   0.03284   0.02228  -0.0092   0.8707   0.6942
  -3.000  -0.2443   0.03265   0.02199  -0.0088   0.8636   0.7022
  -2.750  -0.2214   0.03249   0.02171  -0.0084   0.8562   0.7092
  -2.500  -0.2001   0.03231   0.02145  -0.0078   0.8494   0.7166
  -2.250  -0.1806   0.03215   0.02122  -0.0069   0.8420   0.7236
  -2.000  -0.1557   0.03202   0.02100  -0.0068   0.8360   0.7302
  -1.750  -0.1423   0.03184   0.02077  -0.0051   0.8281   0.7377
  -1.500  -0.1105   0.03174   0.02061  -0.0060   0.8234   0.7432
  -1.250  -0.1042   0.03160   0.02043  -0.0034   0.8145   0.7515
  -1.000  -0.0723   0.03156   0.02035  -0.0042   0.8098   0.7564
  -0.750  -0.0674   0.03142   0.02018  -0.0014   0.8014   0.7651
  -0.500  -0.0357   0.03144   0.02019  -0.0022   0.7962   0.7696
  -0.250  -0.0237   0.03140   0.02013  -0.0003   0.7890   0.7773
   0.000   0.0000   0.03140   0.02013   0.0000   0.7828   0.7828
   0.250   0.0237   0.03140   0.02013   0.0003   0.7773   0.7890
   0.500   0.0357   0.03144   0.02019   0.0022   0.7696   0.7962
   0.750   0.0673   0.03142   0.02018   0.0014   0.7651   0.8014
   1.000   0.0723   0.03156   0.02035   0.0042   0.7564   0.8098
   1.250   0.1043   0.03160   0.02043   0.0033   0.7515   0.8146
   1.500   0.1106   0.03174   0.02061   0.0060   0.7432   0.8234
   1.750   0.1423   0.03184   0.02077   0.0051   0.7377   0.8281
   2.000   0.1557   0.03201   0.02099   0.0068   0.7301   0.8361
   2.250   0.1806   0.03215   0.02121   0.0069   0.7237   0.8421
   2.500   0.2002   0.03231   0.02144   0.0078   0.7167   0.8494
   2.750   0.2214   0.03248   0.02171   0.0084   0.7092   0.8562
   3.000   0.2444   0.03265   0.02196   0.0087   0.7022   0.8636
   3.250   0.2662   0.03284   0.02228   0.0092   0.6942   0.8708
   3.500   0.2878   0.03307   0.02262   0.0097   0.6863   0.8785
   3.750   0.3159   0.03318   0.02285   0.0093   0.6788   0.8855
   4.000   0.3347   0.03351   0.02333   0.0101   0.6693   0.8942
   4.250   0.3722   0.03341   0.02339   0.0086   0.6627   0.9001
   4.500   0.3905   0.03381   0.02394   0.0092   0.6517   0.9096
   4.750   0.4258   0.03385   0.02417   0.0078   0.6429   0.9160
   5.000   0.4594   0.03373   0.02427   0.0068   0.6338   0.9236
   5.250   0.4901   0.03391   0.02466   0.0057   0.6215   0.9311
   5.500   0.5191   0.03393   0.02489   0.0052   0.6094   0.9405
   5.750   0.5598   0.03369   0.02490   0.0031   0.5969   0.9465
   6.000   0.5951   0.03332   0.02481   0.0021   0.5835   0.9551
   6.250   0.6350   0.03284   0.02461   0.0003   0.5673   0.9622
   6.500   0.6718   0.03216   0.02419  -0.0007   0.5497   0.9711
   6.750   0.7124   0.03114   0.02346  -0.0018   0.5293   0.9796
   7.000   0.7468   0.03043   0.02301  -0.0026   0.5022   0.9905
   7.250   0.7660   0.03005   0.02278  -0.0014   0.4716   1.0000
   7.500   0.7501   0.03018   0.02292   0.0049   0.4519   1.0000
   7.750   0.7443   0.02999   0.02267   0.0103   0.4269   1.0000
   8.000   0.7407   0.03001   0.02258   0.0152   0.3961   1.0000
   8.250   0.7418   0.03014   0.02247   0.0194   0.3580   1.0000
   8.500   0.7404   0.03081   0.02286   0.0232   0.3163   1.0000
   8.750   0.7371   0.03200   0.02373   0.0264   0.2746   1.0000
   9.000   0.7328   0.03360   0.02506   0.0290   0.2355   1.0000
   9.250   0.7281   0.03552   0.02668   0.0312   0.2001   1.0000
   9.500   0.7246   0.03762   0.02850   0.0329   0.1696   1.0000
   9.750   0.7229   0.03981   0.03048   0.0342   0.1438   1.0000
  10.000   0.7230   0.04203   0.03253   0.0354   0.1220   1.0000
  10.250   0.7248   0.04421   0.03459   0.0364   0.1057   1.0000
  10.500   0.7284   0.04637   0.03666   0.0373   0.0923   1.0000
  10.750   0.7360   0.04834   0.03862   0.0383   0.0827   1.0000
  11.000   0.7435   0.05033   0.04048   0.0391   0.0751   1.0000
  11.250   0.7544   0.05222   0.04256   0.0398   0.0669   1.0000
  11.500   0.7686   0.05398   0.04429   0.0407   0.0618   1.0000
  11.750   0.7865   0.05584   0.04648   0.0417   0.0566   1.0000
  12.000   0.7974   0.05788   0.04851   0.0421   0.0524   1.0000
  12.250   0.8086   0.06036   0.05120   0.0426   0.0492   1.0000
  12.500   0.8161   0.06335   0.05452   0.0429   0.0469   1.0000
  12.750   0.8189   0.06667   0.05810   0.0430   0.0452   1.0000
  13.000   0.8176   0.07020   0.06184   0.0427   0.0439   1.0000
  13.250   0.8142   0.07377   0.06555   0.0420   0.0425   1.0000
  13.500   0.8111   0.07742   0.06930   0.0413   0.0413   1.0000
  13.750   0.8066   0.08156   0.07351   0.0403   0.0404   1.0000
  14.000   0.7885   0.08724   0.07945   0.0379   0.0401   1.0000
  14.250   0.7725   0.09318   0.08560   0.0353   0.0402   1.0000
  14.500   0.7538   0.09995   0.09254   0.0318   0.0403   1.0000
  14.750   0.7319   0.10792   0.10068   0.0272   0.0404   1.0000
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