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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 100,000
Max Cl/Cd: 47.7 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca4418-il-100000-n5.txt
Download as CSV file: xf-naca4418-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -13.250  -0.4401   0.10738   0.10128  -0.0617   1.0000   0.0688
 -13.000  -0.7459   0.05786   0.05111  -0.0881   1.0000   0.0705
 -12.750  -0.7914   0.05352   0.04661  -0.0867   1.0000   0.0705
 -12.500  -0.8293   0.05094   0.04392  -0.0828   1.0000   0.0706
 -12.250  -0.8630   0.04922   0.04211  -0.0774   0.9996   0.0708
 -12.000  -0.8545   0.04677   0.03945  -0.0789   0.9937   0.0723
 -11.750  -0.8477   0.04391   0.03623  -0.0800   0.9867   0.0743
 -11.500  -0.8292   0.04190   0.03402  -0.0814   0.9815   0.0761
 -11.250  -0.8077   0.04076   0.03285  -0.0821   0.9757   0.0778
 -11.000  -0.7866   0.03922   0.03114  -0.0830   0.9703   0.0800
 -10.750  -0.7682   0.03733   0.02886  -0.0836   0.9647   0.0829
 -10.500  -0.7441   0.03653   0.02814  -0.0840   0.9586   0.0848
 -10.250  -0.7162   0.03545   0.02694  -0.0853   0.9543   0.0877
 -10.000  -0.6972   0.03412   0.02529  -0.0851   0.9474   0.0909
  -9.750  -0.6702   0.03338   0.02462  -0.0857   0.9419   0.0934
  -9.500  -0.6390   0.03243   0.02355  -0.0873   0.9381   0.0971
  -9.250  -0.6196   0.03150   0.02242  -0.0865   0.9303   0.1004
  -9.000  -0.5908   0.03082   0.02179  -0.0873   0.9249   0.1036
  -8.750  -0.5573   0.02994   0.02073  -0.0890   0.9214   0.1082
  -8.500  -0.5371   0.02929   0.02005  -0.0880   0.9132   0.1115
  -8.250  -0.5074   0.02865   0.01939  -0.0888   0.9077   0.1157
  -8.000  -0.4726   0.02783   0.01841  -0.0905   0.9043   0.1209
  -7.750  -0.4505   0.02735   0.01797  -0.0897   0.8964   0.1245
  -7.500  -0.4216   0.02674   0.01727  -0.0901   0.8904   0.1295
  -7.250  -0.3876   0.02604   0.01655  -0.0914   0.8865   0.1344
  -7.000  -0.3635   0.02559   0.01609  -0.0909   0.8790   0.1391
  -6.750  -0.3360   0.02504   0.01543  -0.0909   0.8723   0.1445
  -6.500  -0.3023   0.02446   0.01489  -0.0920   0.8680   0.1500
  -6.250  -0.2771   0.02403   0.01438  -0.0915   0.8605   0.1561
  -6.000  -0.2502   0.02357   0.01395  -0.0914   0.8533   0.1618
  -5.750  -0.2159   0.02303   0.01333  -0.0925   0.8488   0.1701
  -5.500  -0.1921   0.02266   0.01301  -0.0917   0.8404   0.1768
  -5.250  -0.1634   0.02225   0.01252  -0.0918   0.8334   0.1861
  -5.000  -0.1293   0.02171   0.01202  -0.0928   0.8287   0.1959
  -4.750  -0.1070   0.02145   0.01173  -0.0917   0.8191   0.2057
  -4.500  -0.0768   0.02103   0.01133  -0.0920   0.8124   0.2169
  -4.250  -0.0437   0.02059   0.01091  -0.0929   0.8070   0.2292
  -4.000  -0.0216   0.02042   0.01073  -0.0917   0.7965   0.2409
  -3.750   0.0111   0.02005   0.01038  -0.0924   0.7904   0.2546
  -3.500   0.0358   0.01987   0.01024  -0.0917   0.7811   0.2673
  -3.250   0.0654   0.01961   0.00996  -0.0918   0.7731   0.2820
  -3.000   0.0959   0.01938   0.00967  -0.0921   0.7659   0.2981
  -2.750   0.1206   0.01920   0.00956  -0.0914   0.7560   0.3128
  -2.500   0.1533   0.01887   0.00924  -0.0920   0.7494   0.3304
  -2.250   0.1762   0.01877   0.00919  -0.0910   0.7388   0.3475
  -2.000   0.2065   0.01851   0.00896  -0.0913   0.7312   0.3689
  -1.750   0.2314   0.01837   0.00890  -0.0906   0.7216   0.3914
  -1.500   0.2593   0.01815   0.00876  -0.0904   0.7130   0.4174
  -1.250   0.2862   0.01799   0.00868  -0.0900   0.7044   0.4458
  -1.000   0.3120   0.01785   0.00865  -0.0895   0.6951   0.4767
  -0.750   0.3407   0.01767   0.00854  -0.0893   0.6873   0.5150
  -0.500   0.3643   0.01760   0.00862  -0.0883   0.6774   0.5554
  -0.250   0.3937   0.01743   0.00853  -0.0882   0.6701   0.6015
   0.000   0.4158   0.01742   0.00868  -0.0868   0.6602   0.6462
   0.500   0.4665   0.01734   0.00882  -0.0848   0.6437   0.7450
   0.750   0.4925   0.01736   0.00893  -0.0838   0.6352   0.7943
   1.000   0.5241   0.01740   0.00899  -0.0838   0.6277   0.8430
   1.250   0.5572   0.01756   0.00919  -0.0844   0.6183   0.8896
   1.500   0.6011   0.01767   0.00921  -0.0871   0.6109   0.9326
   1.750   0.6441   0.01790   0.00942  -0.0902   0.6013   0.9669
   2.000   0.6930   0.01804   0.00945  -0.0944   0.5930   0.9894
   2.250   0.7290   0.01823   0.00957  -0.0964   0.5846   1.0000
   2.500   0.7472   0.01839   0.00966  -0.0947   0.5767   1.0000
   2.750   0.7702   0.01853   0.00966  -0.0938   0.5701   1.0000
   3.000   0.7859   0.01878   0.00991  -0.0917   0.5618   1.0000
   3.250   0.8074   0.01897   0.01001  -0.0905   0.5546   1.0000
   3.500   0.8289   0.01920   0.01016  -0.0894   0.5476   1.0000
   3.750   0.8477   0.01947   0.01042  -0.0878   0.5398   1.0000
   4.000   0.8720   0.01967   0.01052  -0.0871   0.5331   1.0000
   4.250   0.8916   0.01997   0.01082  -0.0857   0.5256   1.0000
   4.500   0.9123   0.02025   0.01107  -0.0844   0.5181   1.0000
   5.000   0.9553   0.02084   0.01161  -0.0822   0.5037   1.0000
   5.250   0.9774   0.02111   0.01184  -0.0812   0.4964   1.0000
   5.500   0.9998   0.02141   0.01210  -0.0803   0.4893   1.0000
   5.750   1.0176   0.02177   0.01249  -0.0786   0.4811   1.0000
   6.000   1.0418   0.02202   0.01266  -0.0779   0.4740   1.0000
   6.250   1.0578   0.02243   0.01313  -0.0760   0.4656   1.0000
   6.500   1.0776   0.02275   0.01344  -0.0747   0.4578   1.0000
   6.750   1.0977   0.02310   0.01377  -0.0734   0.4505   1.0000
   7.000   1.1134   0.02352   0.01424  -0.0715   0.4423   1.0000
   7.250   1.1363   0.02382   0.01447  -0.0707   0.4355   1.0000
   7.500   1.1479   0.02432   0.01507  -0.0681   0.4273   1.0000
   7.750   1.1643   0.02471   0.01546  -0.0663   0.4198   1.0000
   8.000   1.1807   0.02516   0.01593  -0.0645   0.4126   1.0000
   8.250   1.1928   0.02571   0.01653  -0.0622   0.4044   1.0000
   8.500   1.2124   0.02609   0.01685  -0.0610   0.3974   1.0000
   8.750   1.2209   0.02681   0.01769  -0.0583   0.3888   1.0000
   9.000   1.2368   0.02730   0.01816  -0.0566   0.3812   1.0000
   9.250   1.2468   0.02805   0.01899  -0.0543   0.3727   1.0000
   9.500   1.2594   0.02869   0.01965  -0.0524   0.3645   1.0000
   9.750   1.2694   0.02950   0.02051  -0.0503   0.3558   1.0000
  10.000   1.2791   0.03030   0.02133  -0.0482   0.3469   1.0000
  10.250   1.2873   0.03125   0.02233  -0.0460   0.3377   1.0000
  10.500   1.2958   0.03219   0.02327  -0.0440   0.3285   1.0000
  10.750   1.3018   0.03337   0.02451  -0.0419   0.3190   1.0000
  11.000   1.3096   0.03443   0.02556  -0.0401   0.3101   1.0000
  11.250   1.3135   0.03587   0.02710  -0.0381   0.3004   1.0000
  11.500   1.3205   0.03708   0.02825  -0.0364   0.2917   1.0000
  11.750   1.3220   0.03883   0.03012  -0.0346   0.2818   1.0000
  12.000   1.3261   0.04039   0.03167  -0.0330   0.2729   1.0000
  12.250   1.3270   0.04231   0.03366  -0.0314   0.2631   1.0000
  12.500   1.3284   0.04424   0.03561  -0.0300   0.2541   1.0000
  12.750   1.3286   0.04636   0.03774  -0.0287   0.2449   1.0000
  13.000   1.3281   0.04868   0.04013  -0.0276   0.2359   1.0000
  13.250   1.3278   0.05099   0.04242  -0.0266   0.2275   1.0000
  13.500   1.3256   0.05370   0.04523  -0.0258   0.2188   1.0000
  13.750   1.3248   0.05623   0.04771  -0.0250   0.2110   1.0000
  14.000   1.3215   0.05927   0.05087  -0.0246   0.2027   1.0000
  14.250   1.3198   0.06206   0.05363  -0.0241   0.1954   1.0000
  14.500   1.3159   0.06533   0.05702  -0.0239   0.1877   1.0000
  14.750   1.3137   0.06834   0.06001  -0.0237   0.1810   1.0000
  15.000   1.3092   0.07185   0.06364  -0.0238   0.1738   1.0000
  15.250   1.3064   0.07503   0.06679  -0.0238   0.1676   1.0000
  15.500   1.3012   0.07879   0.07068  -0.0241   0.1607   1.0000
  15.750   1.2981   0.08214   0.07400  -0.0244   0.1549   1.0000
  16.000   1.2923   0.08611   0.07811  -0.0250   0.1485   1.0000
  16.250   1.2887   0.08965   0.08165  -0.0254   0.1429   1.0000
  16.500   1.2834   0.09363   0.08574  -0.0262   0.1371   1.0000
  16.750   1.2791   0.09743   0.08956  -0.0269   0.1318   1.0000
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