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UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il)
Reynolds number: 1,000,000
Max Cl/Cd: 117.89 at α=14.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-ui1720-il-1000000-n5.txt
Download as CSV file: xf-ui1720-il-1000000-n5.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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.6248   0.11424   0.11016  -0.0170   0.3901   0.0122
 -14.250  -0.6298   0.10924   0.10512  -0.0197   0.3786   0.0125
 -13.750  -1.0585   0.02967   0.02628  -0.0794   1.0004   0.0105
 -13.500  -1.0433   0.02708   0.02353  -0.0808   1.0004   0.0107
 -13.250  -1.0245   0.02529   0.02161  -0.0813   1.0004   0.0110
 -13.000  -1.0039   0.02386   0.02007  -0.0815   1.0004   0.0112
 -12.750  -0.9833   0.02228   0.01837  -0.0818   1.0004   0.0116
 -12.250  -0.8442   0.02010   0.01455  -0.1020   0.4941   0.0130
 -12.000  -0.8204   0.01952   0.01371  -0.1017   0.4304   0.0134
 -11.750  -0.7959   0.01890   0.01289  -0.1014   0.3864   0.0138
 -11.500  -0.7711   0.01822   0.01204  -0.1012   0.3536   0.0144
 -11.250  -0.7457   0.01764   0.01131  -0.1010   0.3296   0.0151
 -11.000  -0.7197   0.01713   0.01067  -0.1007   0.3112   0.0157
 -10.750  -0.6934   0.01666   0.01009  -0.1004   0.2980   0.0164
 -10.500  -0.6672   0.01611   0.00945  -0.1002   0.2884   0.0173
 -10.250  -0.6406   0.01567   0.00891  -0.0999   0.2801   0.0182
 -10.000  -0.6136   0.01527   0.00843  -0.0996   0.2738   0.0192
  -9.750  -0.5868   0.01481   0.00791  -0.0993   0.2692   0.0205
  -9.500  -0.5596   0.01445   0.00747  -0.0990   0.2646   0.0220
  -9.000  -0.5051   0.01373   0.00663  -0.0983   0.2575   0.0255
  -8.750  -0.4776   0.01339   0.00625  -0.0980   0.2553   0.0277
  -8.500  -0.4500   0.01310   0.00592  -0.0977   0.2530   0.0299
  -8.000  -0.3945   0.01264   0.00540  -0.0970   0.2487   0.0355
  -7.750  -0.3665   0.01247   0.00520  -0.0966   0.2465   0.0379
  -7.500  -0.3385   0.01234   0.00502  -0.0963   0.2442   0.0401
  -7.250  -0.3103   0.01221   0.00486  -0.0959   0.2429   0.0420
  -7.000  -0.2820   0.01210   0.00472  -0.0956   0.2423   0.0439
  -6.750  -0.2537   0.01199   0.00456  -0.0952   0.2415   0.0453
  -6.500  -0.2254   0.01186   0.00440  -0.0949   0.2408   0.0465
  -6.250  -0.1971   0.01176   0.00428  -0.0945   0.2399   0.0478
  -6.000  -0.1687   0.01167   0.00416  -0.0942   0.2391   0.0492
  -5.750  -0.1403   0.01161   0.00405  -0.0938   0.2383   0.0505
  -5.500  -0.1120   0.01150   0.00391  -0.0935   0.2375   0.0517
  -5.250  -0.0837   0.01141   0.00380  -0.0931   0.2367   0.0529
  -5.000  -0.0553   0.01133   0.00370  -0.0928   0.2359   0.0540
  -4.750  -0.0269   0.01127   0.00360  -0.0925   0.2352   0.0551
  -4.500   0.0015   0.01121   0.00349  -0.0921   0.2345   0.0560
  -4.250   0.0299   0.01114   0.00338  -0.0918   0.2338   0.0567
  -4.000   0.0582   0.01102   0.00325  -0.0915   0.2331   0.0580
  -3.750   0.0865   0.01095   0.00316  -0.0911   0.2324   0.0590
  -3.500   0.1149   0.01090   0.00308  -0.0908   0.2317   0.0599
  -3.250   0.1433   0.01086   0.00301  -0.0905   0.2311   0.0609
  -3.000   0.1716   0.01083   0.00295  -0.0901   0.2303   0.0617
  -2.750   0.1999   0.01081   0.00290  -0.0898   0.2295   0.0624
  -2.500   0.2281   0.01079   0.00286  -0.0894   0.2287   0.0632
  -2.250   0.2565   0.01074   0.00280  -0.0891   0.2283   0.0647
  -2.000   0.2849   0.01070   0.00276  -0.0888   0.2281   0.0660
  -1.750   0.3133   0.01067   0.00273  -0.0885   0.2280   0.0673
  -1.500   0.3417   0.01066   0.00270  -0.0882   0.2278   0.0687
  -1.250   0.3702   0.01066   0.00268  -0.0879   0.2276   0.0699
  -1.000   0.3985   0.01064   0.00267  -0.0876   0.2274   0.0722
  -0.750   0.4269   0.01063   0.00267  -0.0873   0.2272   0.0747
  -0.500   0.4552   0.01064   0.00268  -0.0870   0.2270   0.0774
  -0.250   0.4836   0.01064   0.00270  -0.0867   0.2267   0.0820
   0.250   0.5401   0.01066   0.00275  -0.0861   0.2263   0.0945
   0.500   0.5683   0.01067   0.00279  -0.0858   0.2260   0.1042
   0.750   0.5965   0.01069   0.00284  -0.0855   0.2258   0.1160
   1.000   0.6247   0.01070   0.00290  -0.0852   0.2255   0.1310
   1.250   0.6528   0.01071   0.00296  -0.0850   0.2253   0.1501
   1.500   0.6809   0.01071   0.00304  -0.0847   0.2251   0.1765
   1.750   0.7090   0.01072   0.00313  -0.0844   0.2248   0.2059
   2.000   0.7370   0.01074   0.00322  -0.0842   0.2246   0.2365
   2.250   0.7650   0.01075   0.00332  -0.0839   0.2243   0.2692
   2.500   0.7929   0.01077   0.00343  -0.0837   0.2241   0.3059
   2.750   0.8207   0.01078   0.00355  -0.0834   0.2239   0.3531
   3.000   0.8485   0.01077   0.00369  -0.0832   0.2237   0.4129
   3.250   0.8761   0.01071   0.00384  -0.0830   0.2235   0.5020
   3.500   0.9033   0.01062   0.00402  -0.0827   0.2233   0.6103
   3.750   0.9299   0.01050   0.00419  -0.0822   0.2231   0.7276
   4.250   0.9842   0.01027   0.00447  -0.0812   0.2227   0.9996
   4.500   1.0119   0.01042   0.00461  -0.0809   0.2225   0.9996
   4.750   1.0395   0.01058   0.00476  -0.0806   0.2223   0.9996
   5.000   1.0670   0.01074   0.00491  -0.0803   0.2221   0.9996
   5.250   1.0944   0.01091   0.00507  -0.0800   0.2220   0.9996
   5.500   1.1218   0.01108   0.00524  -0.0797   0.2218   0.9996
   5.750   1.1491   0.01126   0.00542  -0.0794   0.2216   0.9996
   6.000   1.1764   0.01144   0.00560  -0.0791   0.2215   0.9996
   6.250   1.2035   0.01162   0.00579  -0.0788   0.2213   0.9996
   6.500   1.2306   0.01181   0.00598  -0.0785   0.2211   0.9996
   6.750   1.2576   0.01200   0.00618  -0.0781   0.2210   0.9996
   7.000   1.2845   0.01220   0.00639  -0.0778   0.2208   0.9996
   7.250   1.3113   0.01240   0.00661  -0.0775   0.2206   0.9996
   7.500   1.3381   0.01261   0.00683  -0.0772   0.2205   0.9996
   7.750   1.3647   0.01282   0.00705  -0.0768   0.2203   0.9996
   8.000   1.3914   0.01300   0.00726  -0.0765   0.2200   0.9996
   8.250   1.4180   0.01318   0.00744  -0.0762   0.2196   0.9996
   8.500   1.4446   0.01335   0.00763  -0.0758   0.2191   0.9996
   8.750   1.4709   0.01355   0.00785  -0.0755   0.2188   0.9996
   9.000   1.4970   0.01378   0.00810  -0.0751   0.2185   0.9996
   9.250   1.5230   0.01401   0.00836  -0.0748   0.2183   0.9996
   9.500   1.5489   0.01424   0.00862  -0.0744   0.2179   0.9996
   9.750   1.5746   0.01448   0.00888  -0.0740   0.2175   0.9996
  10.000   1.6001   0.01475   0.00918  -0.0736   0.2171   0.9996
  10.250   1.6254   0.01503   0.00949  -0.0731   0.2167   0.9996
  10.500   1.6503   0.01535   0.00984  -0.0727   0.2161   0.9996
  10.750   1.6748   0.01576   0.01028  -0.0722   0.2153   0.9996
  11.000   1.6995   0.01607   0.01064  -0.0717   0.2147   0.9996
  11.250   1.7251   0.01619   0.01081  -0.0713   0.2144   0.9996
  11.500   1.7506   0.01631   0.01099  -0.0709   0.2140   0.9996
  11.750   1.7760   0.01643   0.01116  -0.0705   0.2135   0.9996
  12.000   1.8014   0.01652   0.01131  -0.0702   0.2128   0.9996
  12.250   1.8266   0.01664   0.01148  -0.0698   0.2119   0.9996
  12.500   1.8515   0.01677   0.01167  -0.0693   0.2110   0.9996
  12.750   1.8769   0.01682   0.01177  -0.0690   0.2095   0.9996
  13.000   1.9029   0.01677   0.01174  -0.0687   0.2074   0.9996
  13.250   1.9284   0.01676   0.01175  -0.0683   0.2053   0.9996
  13.500   1.9526   0.01687   0.01186  -0.0678   0.2029   0.9996
  13.750   1.9774   0.01700   0.01206  -0.0674   0.2008   0.9996
  14.000   2.0021   0.01713   0.01227  -0.0670   0.1977   0.9996
  14.250   2.0270   0.01720   0.01236  -0.0667   0.1922   0.9996
  14.500   2.0501   0.01739   0.01246  -0.0662   0.1774   0.9996
  14.750   2.0566   0.01895   0.01382  -0.0638   0.1526   0.9996
  15.000   2.0654   0.02020   0.01506  -0.0615   0.1416   0.9996
  15.250   2.0709   0.02158   0.01645  -0.0590   0.1306   0.9996
  15.500   2.0674   0.02322   0.01807  -0.0552   0.1192   0.9996
  15.750   2.0563   0.02525   0.02011  -0.0509   0.1079   0.9996
  16.000   2.0383   0.02792   0.02281  -0.0469   0.0978   0.9996
  16.250   2.0162   0.03151   0.02649  -0.0446   0.0905   0.9996
  16.500   1.9882   0.03702   0.03215  -0.0452   0.0866   0.9996
  16.750   1.9460   0.04677   0.04219  -0.0505   0.0872   0.9996
  17.000   1.8793   0.06055   0.05641  -0.0567   0.0944   0.9996
  17.250   1.8043   0.07395   0.07017  -0.0610   0.1040   0.9996
  17.500   1.7263   0.08749   0.08402  -0.0655   0.1112   0.9996
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