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UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il)
Reynolds number: 500,000
Max Cl/Cd: 60.13 at α=15.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-ui1720-il-500000.txt
Download as CSV file: xf-ui1720-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL          
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -0.7515   0.07645   0.07363  -0.0283   1.0004   0.0221
 -12.750  -0.7994   0.06533   0.06241  -0.0365   1.0004   0.0220
 -12.500  -0.8480   0.05541   0.05243  -0.0436   1.0004   0.0218
 -12.250  -0.8945   0.03303   0.02949  -0.0724   1.0004   0.0214
 -12.000  -0.8809   0.02932   0.02548  -0.0757   1.0004   0.0220
 -11.750  -0.8643   0.02687   0.02293  -0.0771   1.0004   0.0227
 -11.500  -0.8439   0.02524   0.02121  -0.0776   1.0004   0.0234
 -11.250  -0.8224   0.02380   0.01965  -0.0779   1.0004   0.0243
 -11.000  -0.8000   0.02243   0.01807  -0.0780   1.0004   0.0253
 -10.750  -0.7776   0.02116   0.01680  -0.0781   1.0004   0.0265
 -10.500  -0.7535   0.02025   0.01582  -0.0778   1.0004   0.0278
 -10.250  -0.7295   0.01923   0.01468  -0.0776   1.0004   0.0293
 -10.000  -0.7046   0.01854   0.01399  -0.0773   1.0004   0.0308
  -9.750  -0.5696   0.01768   0.01230  -0.0997   0.7286   0.0360
  -9.500  -0.5534   0.01820   0.01196  -0.0974   0.4876   0.0376
  -9.250  -0.5283   0.01843   0.01182  -0.0967   0.3907   0.0395
  -9.000  -0.5021   0.01830   0.01142  -0.0963   0.3474   0.0417
  -8.750  -0.4747   0.01845   0.01148  -0.0959   0.3263   0.0434
  -8.500  -0.4474   0.01828   0.01104  -0.0956   0.3137   0.0458
  -8.250  -0.4200   0.01828   0.01107  -0.0952   0.3062   0.0473
  -8.000  -0.3923   0.01833   0.01103  -0.0948   0.3001   0.0493
  -7.750  -0.3653   0.01809   0.01057  -0.0945   0.2944   0.0514
  -7.500  -0.3377   0.01809   0.01060  -0.0941   0.2913   0.0529
  -7.250  -0.3099   0.01802   0.01045  -0.0938   0.2886   0.0549
  -7.000  -0.2824   0.01773   0.00997  -0.0935   0.2860   0.0570
  -6.750  -0.2551   0.01760   0.00987  -0.0931   0.2835   0.0585
  -6.500  -0.2274   0.01760   0.00980  -0.0927   0.2812   0.0605
  -6.250  -0.1997   0.01757   0.00958  -0.0923   0.2789   0.0625
  -6.000  -0.1732   0.01714   0.00912  -0.0920   0.2765   0.0644
  -5.750  -0.1456   0.01707   0.00903  -0.0916   0.2753   0.0661
  -5.500  -0.1177   0.01691   0.00880  -0.0912   0.2744   0.0680
  -5.250  -0.0895   0.01681   0.00856  -0.0909   0.2735   0.0696
  -5.000  -0.0624   0.01617   0.00792  -0.0906   0.2725   0.0714
  -4.750  -0.0346   0.01601   0.00775  -0.0902   0.2715   0.0731
  -4.500  -0.0067   0.01584   0.00752  -0.0898   0.2705   0.0747
  -4.250   0.0212   0.01566   0.00726  -0.0895   0.2695   0.0763
  -4.000   0.0494   0.01556   0.00706  -0.0891   0.2684   0.0775
  -3.750   0.0767   0.01502   0.00651  -0.0888   0.2673   0.0792
  -3.500   0.1046   0.01484   0.00632  -0.0884   0.2664   0.0807
  -3.250   0.1325   0.01470   0.00614  -0.0880   0.2655   0.0822
  -3.000   0.1605   0.01460   0.00600  -0.0877   0.2648   0.0838
  -2.750   0.1885   0.01452   0.00586  -0.0873   0.2640   0.0853
  -2.500   0.2165   0.01446   0.00574  -0.0869   0.2632   0.0863
  -2.250   0.2441   0.01421   0.00550  -0.0866   0.2625   0.0884
  -2.000   0.2720   0.01420   0.00548  -0.0863   0.2618   0.0906
  -1.750   0.3000   0.01425   0.00550  -0.0859   0.2610   0.0929
  -1.500   0.3280   0.01436   0.00557  -0.0856   0.2603   0.0951
  -1.250   0.3559   0.01443   0.00564  -0.0853   0.2596   0.0979
  -1.000   0.3838   0.01462   0.00585  -0.0850   0.2590   0.1017
  -0.750   0.4120   0.01467   0.00589  -0.0847   0.2588   0.1062
  -0.500   0.4402   0.01465   0.00591  -0.0844   0.2586   0.1134
  -0.250   0.4684   0.01467   0.00597  -0.0842   0.2584   0.1236
   0.000   0.4966   0.01468   0.00606  -0.0839   0.2581   0.1426
   0.250   0.5247   0.01469   0.00620  -0.0837   0.2579   0.1785
   0.500   0.5527   0.01470   0.00637  -0.0835   0.2577   0.2291
   0.750   0.5805   0.01473   0.00658  -0.0833   0.2575   0.2858
   1.000   0.6083   0.01478   0.00680  -0.0831   0.2573   0.3494
   1.250   0.6360   0.01483   0.00706  -0.0829   0.2571   0.4212
   1.500   0.6634   0.01487   0.00733  -0.0826   0.2568   0.5039
   1.750   0.6901   0.01486   0.00764  -0.0822   0.2566   0.6117
   2.000   0.7138   0.01468   0.00795  -0.0810   0.2564   0.7714
   2.250   0.7432   0.01458   0.00818  -0.0808   0.2562   0.9996
   2.500   0.7710   0.01490   0.00847  -0.0805   0.2560   0.9996
   2.750   0.7987   0.01524   0.00878  -0.0802   0.2558   0.9996
   3.000   0.8263   0.01559   0.00911  -0.0799   0.2556   0.9996
   3.250   0.8538   0.01591   0.00942  -0.0797   0.2552   0.9996
   3.500   0.8812   0.01623   0.00973  -0.0794   0.2547   0.9996
   3.750   0.9085   0.01660   0.01009  -0.0791   0.2544   0.9996
   4.000   0.9356   0.01700   0.01050  -0.0787   0.2541   0.9996
   4.250   0.9626   0.01742   0.01092  -0.0784   0.2539   0.9996
   4.500   0.9894   0.01785   0.01137  -0.0781   0.2536   0.9996
   4.750   1.0161   0.01830   0.01184  -0.0778   0.2534   0.9996
   5.000   1.0426   0.01878   0.01234  -0.0774   0.2531   0.9996
   5.250   1.0688   0.01927   0.01287  -0.0770   0.2528   0.9996
   5.500   1.0949   0.01979   0.01342  -0.0767   0.2526   0.9996
   5.750   1.1208   0.02033   0.01400  -0.0763   0.2523   0.9996
   6.000   1.1464   0.02091   0.01462  -0.0759   0.2521   0.9996
   6.250   1.1717   0.02151   0.01527  -0.0754   0.2518   0.9996
   6.500   1.1968   0.02214   0.01597  -0.0750   0.2516   0.9996
   6.750   1.2215   0.02281   0.01670  -0.0745   0.2514   0.9996
   7.000   1.2463   0.02342   0.01736  -0.0741   0.2510   0.9996
   7.250   1.2718   0.02386   0.01782  -0.0737   0.2503   0.9996
   7.500   1.2977   0.02419   0.01816  -0.0733   0.2495   0.9996
   7.750   1.3232   0.02460   0.01859  -0.0729   0.2488   0.9996
   8.000   1.3474   0.02523   0.01928  -0.0724   0.2484   0.9996
   8.250   1.3718   0.02578   0.01988  -0.0720   0.2479   0.9996
   8.500   1.3960   0.02636   0.02050  -0.0715   0.2474   0.9996
   8.750   1.4199   0.02696   0.02115  -0.0710   0.2470   0.9996
   9.000   1.4441   0.02751   0.02173  -0.0705   0.2464   0.9996
   9.250   1.4679   0.02811   0.02237  -0.0701   0.2458   0.9996
   9.500   1.4906   0.02891   0.02322  -0.0695   0.2452   0.9996
   9.750   1.5119   0.03000   0.02438  -0.0689   0.2446   0.9996
  10.000   1.5283   0.03204   0.02653  -0.0681   0.2437   0.9996
  10.250   1.5404   0.03418   0.02886  -0.0667   0.2429   0.9996
  10.500   1.5605   0.03463   0.02944  -0.0658   0.2424   0.9996
  10.750   1.5794   0.03520   0.03014  -0.0648   0.2416   0.9996
  11.000   1.5963   0.03605   0.03113  -0.0637   0.2406   0.9996
  11.250   1.6101   0.03728   0.03252  -0.0624   0.2395   0.9996
  11.500   1.6219   0.03866   0.03405  -0.0610   0.2383   0.9996
  11.750   1.6352   0.03979   0.03530  -0.0597   0.2371   0.9996
  12.000   1.6542   0.04025   0.03583  -0.0588   0.2359   0.9996
  12.250   1.6788   0.04013   0.03572  -0.0583   0.2348   0.9996
  12.500   1.7055   0.03982   0.03541  -0.0579   0.2339   0.9996
  12.750   1.7309   0.03973   0.03532  -0.0574   0.2331   0.9996
  13.000   1.7528   0.03995   0.03556  -0.0567   0.2323   0.9996
  13.250   1.7809   0.03957   0.03516  -0.0565   0.2315   0.9996
  13.500   1.8158   0.03850   0.03401  -0.0567   0.2304   0.9996
  13.750   1.8347   0.03971   0.03519  -0.0562   0.2283   0.9996
  14.000   1.8482   0.03927   0.03490  -0.0543   0.2270   0.9996
  14.250   1.8580   0.03955   0.03532  -0.0523   0.2252   0.9996
  14.500   1.8715   0.03974   0.03560  -0.0506   0.2236   0.9996
  14.750   1.8949   0.03906   0.03494  -0.0497   0.2219   0.9996
  15.000   1.9308   0.03726   0.03308  -0.0497   0.2200   0.9996
  15.250   1.9632   0.03578   0.03153  -0.0494   0.2185   0.9996
  15.500   1.9986   0.03437   0.03003  -0.0496   0.2170   0.9996
  15.750   2.0287   0.03374   0.02931  -0.0496   0.2152   0.9996
  16.000   2.0272   0.03449   0.03023  -0.0462   0.2140   0.9996
  16.250   2.0201   0.03564   0.03157  -0.0428   0.2125   0.9996
  16.500   2.0157   0.03692   0.03303  -0.0404   0.2106   0.9996
  16.750   2.0224   0.03758   0.03380  -0.0393   0.2083   0.9996
  17.000   2.0438   0.03715   0.03339  -0.0389   0.2057   0.9996
  17.250   2.0667   0.03671   0.03293  -0.0387   0.2034   0.9996
  17.500   2.0665   0.03870   0.03507  -0.0384   0.2011   0.9996
  17.750   2.0459   0.04335   0.04000  -0.0393   0.1979   0.9996
  18.000   2.0223   0.04919   0.04605  -0.0419   0.1943   0.9996
  18.250   2.0113   0.05398   0.05095  -0.0447   0.1907   0.9996
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