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UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL (ui1720-il)
Reynolds number: 500,000
Max Cl/Cd: 78.05 at α=15°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-ui1720-il-500000-n5.txt
Download as CSV file: xf-ui1720-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -0.5603   0.10331   0.09888  -0.0202   0.4192   0.0177
 -12.750  -0.5853   0.09434   0.08992  -0.0255   0.4353   0.0184
 -12.250  -0.9046   0.03028   0.02651  -0.0753   1.0004   0.0159
 -12.000  -0.8882   0.02744   0.02346  -0.0770   1.0004   0.0164
 -11.750  -0.8693   0.02527   0.02114  -0.0780   1.0004   0.0169
 -11.250  -0.7311   0.02153   0.01616  -0.0990   0.6779   0.0197
 -11.000  -0.7130   0.02120   0.01512  -0.0980   0.4878   0.0206
 -10.750  -0.6893   0.02055   0.01415  -0.0978   0.4204   0.0217
 -10.500  -0.6648   0.01984   0.01320  -0.0976   0.3770   0.0228
 -10.250  -0.6396   0.01920   0.01236  -0.0975   0.3481   0.0242
 -10.000  -0.6138   0.01862   0.01161  -0.0972   0.3277   0.0256
  -9.500  -0.5614   0.01756   0.01030  -0.0968   0.3019   0.0291
  -9.250  -0.5347   0.01714   0.00979  -0.0965   0.2929   0.0312
  -9.000  -0.5077   0.01677   0.00933  -0.0962   0.2867   0.0334
  -8.750  -0.4804   0.01648   0.00896  -0.0959   0.2810   0.0357
  -8.250  -0.4254   0.01603   0.00835  -0.0953   0.2728   0.0400
  -8.000  -0.3977   0.01584   0.00808  -0.0949   0.2697   0.0419
  -7.750  -0.3698   0.01569   0.00786  -0.0946   0.2668   0.0438
  -7.500  -0.3421   0.01549   0.00752  -0.0942   0.2641   0.0457
  -7.250  -0.3143   0.01536   0.00735  -0.0938   0.2616   0.0471
  -6.750  -0.2585   0.01512   0.00692  -0.0931   0.2580   0.0505
  -6.500  -0.2306   0.01494   0.00671  -0.0928   0.2568   0.0519
  -6.250  -0.2025   0.01484   0.00657  -0.0924   0.2555   0.0533
  -6.000  -0.1745   0.01472   0.00638  -0.0921   0.2543   0.0549
  -5.750  -0.1464   0.01459   0.00615  -0.0917   0.2530   0.0563
  -5.500  -0.1186   0.01438   0.00591  -0.0914   0.2519   0.0575
  -5.250  -0.0907   0.01425   0.00574  -0.0910   0.2508   0.0588
  -5.000  -0.0627   0.01413   0.00557  -0.0907   0.2497   0.0601
  -4.750  -0.0347   0.01401   0.00538  -0.0903   0.2487   0.0614
  -4.500  -0.0066   0.01390   0.00518  -0.0900   0.2478   0.0625
  -4.250   0.0212   0.01372   0.00497  -0.0896   0.2469   0.0636
  -4.000   0.0491   0.01359   0.00481  -0.0893   0.2459   0.0648
  -3.750   0.0770   0.01350   0.00468  -0.0889   0.2451   0.0659
  -3.500   0.1049   0.01344   0.00457  -0.0885   0.2442   0.0671
  -3.250   0.1328   0.01339   0.00447  -0.0881   0.2433   0.0683
  -3.000   0.1609   0.01331   0.00435  -0.0878   0.2429   0.0693
  -2.750   0.1891   0.01321   0.00423  -0.0875   0.2426   0.0704
  -2.500   0.2172   0.01311   0.00413  -0.0871   0.2422   0.0720
  -2.250   0.2454   0.01305   0.00406  -0.0868   0.2417   0.0735
  -2.000   0.2736   0.01300   0.00399  -0.0865   0.2412   0.0751
  -1.750   0.3018   0.01297   0.00394  -0.0862   0.2407   0.0768
  -1.500   0.3300   0.01294   0.00389  -0.0859   0.2402   0.0786
  -1.250   0.3581   0.01291   0.00387  -0.0855   0.2398   0.0811
  -1.000   0.3863   0.01292   0.00387  -0.0852   0.2394   0.0843
  -0.750   0.4144   0.01292   0.00387  -0.0849   0.2390   0.0880
  -0.500   0.4425   0.01293   0.00389  -0.0846   0.2386   0.0929
  -0.250   0.4706   0.01295   0.00392  -0.0843   0.2381   0.0991
   0.000   0.4986   0.01298   0.00397  -0.0840   0.2377   0.1076
   0.500   0.5546   0.01302   0.00410  -0.0834   0.2370   0.1356
   0.750   0.5826   0.01304   0.00418  -0.0831   0.2366   0.1589
   1.000   0.6105   0.01306   0.00428  -0.0828   0.2362   0.1872
   1.250   0.6383   0.01309   0.00439  -0.0826   0.2359   0.2189
   1.500   0.6662   0.01313   0.00452  -0.0823   0.2355   0.2545
   1.750   0.6939   0.01316   0.00465  -0.0821   0.2352   0.2967
   2.000   0.7216   0.01318   0.00481  -0.0818   0.2349   0.3475
   2.250   0.7493   0.01319   0.00498  -0.0816   0.2346   0.4070
   2.500   0.7767   0.01320   0.00516  -0.0813   0.2343   0.4765
   2.750   0.8036   0.01311   0.00538  -0.0810   0.2340   0.5906
   3.000   0.8281   0.01287   0.00560  -0.0800   0.2338   0.7546
   3.250   0.8560   0.01262   0.00573  -0.0795   0.2335   0.9996
   3.500   0.8837   0.01283   0.00591  -0.0792   0.2332   0.9996
   3.750   0.9113   0.01305   0.00609  -0.0789   0.2330   0.9996
   4.000   0.9388   0.01327   0.00629  -0.0786   0.2327   0.9996
   4.500   0.9936   0.01374   0.00672  -0.0780   0.2322   0.9996
   4.750   1.0208   0.01399   0.00695  -0.0777   0.2320   0.9996
   5.000   1.0480   0.01424   0.00719  -0.0773   0.2318   0.9996
   5.250   1.0751   0.01450   0.00745  -0.0770   0.2316   0.9996
   5.500   1.1022   0.01478   0.00772  -0.0767   0.2313   0.9996
   5.750   1.1291   0.01506   0.00800  -0.0764   0.2311   0.9996
   6.000   1.1559   0.01535   0.00830  -0.0761   0.2309   0.9996
   6.250   1.1827   0.01566   0.00861  -0.0757   0.2307   0.9996
   6.500   1.2093   0.01598   0.00894  -0.0754   0.2304   0.9996
   6.750   1.2358   0.01632   0.00929  -0.0751   0.2301   0.9996
   7.000   1.2621   0.01668   0.00966  -0.0747   0.2297   0.9996
   7.250   1.2883   0.01708   0.01008  -0.0744   0.2293   0.9996
   7.500   1.3142   0.01752   0.01054  -0.0740   0.2290   0.9996
   7.750   1.3400   0.01800   0.01105  -0.0737   0.2287   0.9996
   8.000   1.3656   0.01845   0.01154  -0.0733   0.2284   0.9996
   8.250   1.3914   0.01881   0.01194  -0.0729   0.2283   0.9996
   8.500   1.4170   0.01916   0.01234  -0.0725   0.2282   0.9996
   8.750   1.4425   0.01947   0.01271  -0.0721   0.2279   0.9996
   9.000   1.4678   0.01976   0.01306  -0.0716   0.2276   0.9996
   9.250   1.4929   0.02009   0.01345  -0.0712   0.2273   0.9996
   9.500   1.5177   0.02048   0.01390  -0.0707   0.2271   0.9996
   9.750   1.5423   0.02089   0.01439  -0.0703   0.2268   0.9996
  10.000   1.5666   0.02130   0.01487  -0.0698   0.2265   0.9996
  10.250   1.5908   0.02168   0.01533  -0.0692   0.2260   0.9996
  10.500   1.6147   0.02202   0.01575  -0.0687   0.2254   0.9996
  10.750   1.6383   0.02240   0.01621  -0.0681   0.2248   0.9996
  11.000   1.6616   0.02283   0.01672  -0.0675   0.2243   0.9996
  11.250   1.6847   0.02329   0.01726  -0.0669   0.2239   0.9996
  11.500   1.7074   0.02374   0.01780  -0.0662   0.2233   0.9996
  11.750   1.7302   0.02410   0.01824  -0.0656   0.2226   0.9996
  12.000   1.7531   0.02437   0.01857  -0.0649   0.2217   0.9996
  12.250   1.7760   0.02460   0.01887  -0.0642   0.2208   0.9996
  12.500   1.7985   0.02490   0.01923  -0.0635   0.2200   0.9996
  12.750   1.8213   0.02509   0.01948  -0.0629   0.2192   0.9996
  13.000   1.8446   0.02515   0.01957  -0.0622   0.2181   0.9996
  13.250   1.8679   0.02519   0.01962  -0.0616   0.2171   0.9996
  13.500   1.8901   0.02534   0.01978  -0.0608   0.2158   0.9996
  13.750   1.9099   0.02563   0.02014  -0.0598   0.2143   0.9996
  14.000   1.9282   0.02581   0.02048  -0.0586   0.2127   0.9996
  14.250   1.9468   0.02602   0.02083  -0.0574   0.2108   0.9996
  14.500   1.9667   0.02600   0.02090  -0.0563   0.2081   0.9996
  14.750   1.9879   0.02579   0.02072  -0.0553   0.2052   0.9996
  15.000   2.0066   0.02571   0.02066  -0.0540   0.2029   0.9996
  15.250   2.0209   0.02622   0.02131  -0.0524   0.2003   0.9996
  15.500   2.0345   0.02679   0.02206  -0.0508   0.1965   0.9996
  15.750   2.0503   0.02703   0.02237  -0.0493   0.1917   0.9996
  16.000   2.0637   0.02753   0.02296  -0.0478   0.1855   0.9996
  16.500   2.0620   0.03022   0.02546  -0.0437   0.1575   0.9996
  16.750   2.0414   0.03402   0.02934  -0.0424   0.1503   0.9996
  17.000   2.0126   0.03988   0.03535  -0.0437   0.1460   0.9996
  17.250   1.9697   0.04913   0.04487  -0.0481   0.1443   0.9996
  17.500   1.8873   0.06431   0.06045  -0.0547   0.1487   0.9996
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