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Joukovsky f=0% t=21% (joukowsk0021-jf) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: Joukovsky f=0% t=21% (joukowsk0021-jf)
Reynolds number: 200,000
Max Cl/Cd: 46.18 at α=9.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-joukowsk0021-jf-200000.txt
Download as CSV file: xf-joukowsk0021-jf-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: Joukovsky f=0% t=21%                            
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.7181   0.21296   0.20850   0.0487   1.0000   0.1085
 -19.500  -1.2432   0.09549   0.08961  -0.0165   1.0000   0.1082
 -19.250  -1.1840   0.10095   0.09537  -0.0125   1.0000   0.1101
 -19.000  -1.1524   0.10236   0.09691  -0.0114   1.0000   0.1119
 -18.750  -1.1917   0.09280   0.08711  -0.0168   1.0000   0.1140
 -18.500  -1.2372   0.08297   0.07695  -0.0223   1.0000   0.1160
 -18.250  -1.2762   0.07470   0.06834  -0.0266   1.0000   0.1176
 -18.000  -1.2392   0.07623   0.07009  -0.0251   1.0000   0.1199
 -17.750  -1.2306   0.07422   0.06810  -0.0258   1.0000   0.1220
 -17.500  -1.2402   0.06995   0.06370  -0.0277   1.0000   0.1242
 -17.250  -1.2612   0.06453   0.05804  -0.0301   1.0000   0.1263
 -17.000  -1.2608   0.06168   0.05512  -0.0309   1.0000   0.1285
 -16.750  -1.2429   0.06084   0.05439  -0.0308   1.0000   0.1309
 -16.500  -1.2401   0.05840   0.05191  -0.0315   1.0000   0.1333
 -16.250  -1.2480   0.05493   0.04829  -0.0326   1.0000   0.1358
 -16.000  -1.2634   0.05102   0.04414  -0.0338   1.0000   0.1379
 -15.750  -1.2386   0.05067   0.04398  -0.0333   1.0000   0.1408
 -15.500  -1.2311   0.04894   0.04225  -0.0334   1.0000   0.1435
 -15.250  -1.2327   0.04645   0.03966  -0.0338   1.0000   0.1463
 -15.000  -1.2422   0.04348   0.03647  -0.0341   1.0000   0.1488
 -14.750  -1.2217   0.04273   0.03586  -0.0338   1.0000   0.1520
 -14.500  -1.2128   0.04127   0.03442  -0.0336   1.0000   0.1550
 -14.250  -1.2111   0.03931   0.03237  -0.0335   1.0000   0.1582
 -14.000  -1.2151   0.03709   0.02997  -0.0332   1.0000   0.1611
 -13.750  -1.1945   0.03634   0.02937  -0.0328   1.0000   0.1646
 -13.500  -1.1859   0.03503   0.02807  -0.0324   1.0000   0.1680
 -13.250  -1.1833   0.03341   0.02635  -0.0317   1.0000   0.1716
 -13.000  -1.1738   0.03211   0.02502  -0.0311   1.0000   0.1751
 -12.750  -1.1598   0.03117   0.02416  -0.0305   1.0000   0.1788
 -12.500  -1.1518   0.03002   0.02298  -0.0297   1.0000   0.1828
 -12.250  -1.1494   0.02872   0.02152  -0.0285   1.0000   0.1865
 -12.000  -1.1302   0.02792   0.02087  -0.0280   1.0000   0.1906
 -11.750  -1.1188   0.02707   0.02003  -0.0270   1.0000   0.1949
 -11.500  -1.1118   0.02613   0.01900  -0.0256   1.0000   0.1992
 -11.250  -1.0966   0.02531   0.01824  -0.0247   1.0000   0.2037
 -11.000  -1.0827   0.02465   0.01764  -0.0236   1.0000   0.2081
 -10.750  -1.0729   0.02398   0.01693  -0.0219   1.0000   0.2129
 -10.500  -1.0589   0.02331   0.01626  -0.0207   1.0000   0.2177
 -10.250  -1.0411   0.02279   0.01585  -0.0199   1.0000   0.2225
 -10.000  -1.0256   0.02231   0.01535  -0.0190   1.0000   0.2280
  -9.750  -1.0044   0.02176   0.01483  -0.0192   0.9893   0.2336
  -9.500  -0.9625   0.02122   0.01435  -0.0226   0.9644   0.2408
  -9.250  -0.9317   0.02075   0.01373  -0.0239   0.9398   0.2478
  -9.000  -0.9091   0.02040   0.01346  -0.0230   0.9172   0.2535
  -8.750  -0.8939   0.02019   0.01317  -0.0208   0.8967   0.2595
  -8.500  -0.8783   0.01991   0.01278  -0.0187   0.8790   0.2654
  -8.250  -0.8593   0.01964   0.01256  -0.0171   0.8636   0.2711
  -8.000  -0.8418   0.01945   0.01226  -0.0151   0.8499   0.2776
  -7.750  -0.8206   0.01911   0.01190  -0.0140   0.8356   0.2840
  -7.500  -0.7990   0.01889   0.01169  -0.0128   0.8232   0.2904
  -7.250  -0.7782   0.01869   0.01135  -0.0115   0.8108   0.2976
  -7.000  -0.7543   0.01837   0.01110  -0.0108   0.7990   0.3041
  -6.750  -0.7313   0.01819   0.01087  -0.0098   0.7878   0.3113
  -6.500  -0.7076   0.01797   0.01055  -0.0090   0.7765   0.3187
  -6.250  -0.6828   0.01772   0.01036  -0.0083   0.7657   0.3255
  -6.000  -0.6583   0.01758   0.01013  -0.0076   0.7553   0.3334
  -5.750  -0.6328   0.01731   0.00988  -0.0070   0.7444   0.3406
  -5.500  -0.6075   0.01719   0.00973  -0.0063   0.7351   0.3481
  -5.250  -0.5817   0.01702   0.00947  -0.0059   0.7240   0.3563
  -5.000  -0.5555   0.01681   0.00931  -0.0053   0.7149   0.3634
  -4.750  -0.5288   0.01670   0.00916  -0.0050   0.7043   0.3718
  -4.500  -0.5022   0.01649   0.00894  -0.0046   0.6947   0.3794
  -4.250  -0.4754   0.01640   0.00885  -0.0041   0.6855   0.3873
  -4.000  -0.4485   0.01629   0.00864  -0.0038   0.6751   0.3959
  -3.750  -0.4212   0.01612   0.00852  -0.0034   0.6666   0.4033
  -3.500  -0.3936   0.01605   0.00844  -0.0032   0.6566   0.4120
  -3.250  -0.3661   0.01588   0.00826  -0.0029   0.6471   0.4200
  -3.000  -0.3385   0.01585   0.00821  -0.0025   0.6387   0.4280
  -2.500  -0.2827   0.01563   0.00798  -0.0020   0.6199   0.4446
  -2.250  -0.2547   0.01561   0.00795  -0.0018   0.6107   0.4535
  -2.000  -0.2266   0.01549   0.00782  -0.0016   0.6012   0.4618
  -1.500  -0.1702   0.01546   0.00772  -0.0012   0.5833   0.4793
  -1.250  -0.1419   0.01534   0.00766  -0.0009   0.5746   0.4870
  -1.000  -0.1136   0.01537   0.00766  -0.0007   0.5660   0.4960
  -0.750  -0.0852   0.01530   0.00759  -0.0006   0.5565   0.5047
  -0.500  -0.0569   0.01530   0.00758  -0.0003   0.5485   0.5128
  -0.250  -0.0284   0.01532   0.00759  -0.0002   0.5392   0.5223
   0.000   0.0000   0.01525   0.00756   0.0000   0.5303   0.5303
   0.250   0.0284   0.01532   0.00759   0.0002   0.5223   0.5392
   0.500   0.0569   0.01530   0.00758   0.0003   0.5128   0.5485
   0.750   0.0852   0.01530   0.00759   0.0006   0.5047   0.5565
   1.000   0.1136   0.01537   0.00766   0.0007   0.4959   0.5660
   1.250   0.1419   0.01534   0.00766   0.0009   0.4870   0.5746
   1.500   0.1702   0.01546   0.00772   0.0012   0.4793   0.5833
   2.000   0.2266   0.01549   0.00782   0.0016   0.4618   0.6012
   2.250   0.2547   0.01561   0.00794   0.0018   0.4535   0.6107
   2.500   0.2827   0.01563   0.00798   0.0020   0.4446   0.6199
   3.000   0.3385   0.01585   0.00821   0.0025   0.4280   0.6387
   3.250   0.3661   0.01588   0.00826   0.0029   0.4200   0.6471
   3.500   0.3936   0.01605   0.00844   0.0032   0.4120   0.6565
   3.750   0.4212   0.01612   0.00852   0.0034   0.4033   0.6666
   4.000   0.4485   0.01629   0.00864   0.0038   0.3959   0.6751
   4.250   0.4754   0.01640   0.00885   0.0041   0.3873   0.6855
   4.500   0.5022   0.01649   0.00894   0.0046   0.3794   0.6946
   4.750   0.5288   0.01670   0.00916   0.0050   0.3718   0.7043
   5.000   0.5555   0.01682   0.00931   0.0053   0.3634   0.7149
   5.250   0.5817   0.01702   0.00947   0.0059   0.3563   0.7240
   5.500   0.6075   0.01719   0.00973   0.0063   0.3481   0.7351
   5.750   0.6328   0.01731   0.00988   0.0070   0.3406   0.7444
   6.000   0.6583   0.01758   0.01013   0.0076   0.3334   0.7553
   6.250   0.6828   0.01772   0.01036   0.0083   0.3255   0.7657
   6.500   0.7077   0.01797   0.01055   0.0090   0.3187   0.7765
   6.750   0.7313   0.01819   0.01086   0.0098   0.3113   0.7878
   7.000   0.7543   0.01837   0.01110   0.0108   0.3042   0.7990
   7.250   0.7782   0.01869   0.01135   0.0115   0.2976   0.8108
   7.500   0.7991   0.01889   0.01169   0.0128   0.2904   0.8232
   7.750   0.8207   0.01911   0.01190   0.0140   0.2840   0.8356
   8.000   0.8418   0.01945   0.01226   0.0151   0.2776   0.8499
   8.250   0.8594   0.01964   0.01256   0.0170   0.2711   0.8636
   8.500   0.8784   0.01990   0.01278   0.0187   0.2653   0.8789
   8.750   0.8939   0.02019   0.01317   0.0208   0.2595   0.8967
   9.000   0.9092   0.02039   0.01345   0.0230   0.2535   0.9173
   9.250   0.9319   0.02075   0.01373   0.0239   0.2478   0.9399
   9.500   0.9628   0.02122   0.01435   0.0226   0.2408   0.9645
   9.750   1.0048   0.02176   0.01483   0.0191   0.2335   0.9896
  10.000   1.0258   0.02231   0.01535   0.0190   0.2280   1.0000
  10.250   1.0414   0.02279   0.01585   0.0198   0.2225   1.0000
  10.500   1.0593   0.02331   0.01626   0.0206   0.2176   1.0000
  10.750   1.0733   0.02398   0.01693   0.0219   0.2129   1.0000
  11.000   1.0831   0.02464   0.01763   0.0235   0.2081   1.0000
  11.250   1.0970   0.02530   0.01823   0.0246   0.2036   1.0000
  11.500   1.1122   0.02613   0.01900   0.0255   0.1992   1.0000
  11.750   1.1195   0.02706   0.02002   0.0269   0.1949   1.0000
  12.000   1.1308   0.02791   0.02086   0.0279   0.1906   1.0000
  12.250   1.1500   0.02872   0.02152   0.0284   0.1864   1.0000
  12.500   1.1525   0.03001   0.02297   0.0296   0.1827   1.0000
  12.750   1.1606   0.03115   0.02414   0.0304   0.1787   1.0000
  13.000   1.1746   0.03209   0.02500   0.0310   0.1751   1.0000
  13.250   1.1840   0.03340   0.02634   0.0316   0.1715   1.0000
  13.500   1.1869   0.03501   0.02805   0.0323   0.1680   1.0000
  13.750   1.1957   0.03631   0.02934   0.0327   0.1645   1.0000
  14.000   1.2169   0.03703   0.02990   0.0331   0.1610   1.0000
  14.250   1.2124   0.03928   0.03234   0.0334   0.1582   1.0000
  14.500   1.2141   0.04123   0.03437   0.0335   0.1550   1.0000
  14.750   1.2231   0.04268   0.03581   0.0337   0.1519   1.0000
  15.000   1.2434   0.04345   0.03643   0.0340   0.1488   1.0000
  15.250   1.2340   0.04641   0.03962   0.0337   0.1463   1.0000
  15.500   1.2323   0.04889   0.04220   0.0333   0.1435   1.0000
  15.750   1.2402   0.05059   0.04388   0.0332   0.1407   1.0000
  16.000   1.2658   0.05088   0.04399   0.0337   0.1378   1.0000
  16.250   1.2493   0.05487   0.04823   0.0325   0.1358   1.0000
  16.500   1.2415   0.05833   0.05184   0.0314   0.1333   1.0000
  16.750   1.2448   0.06072   0.05427   0.0307   0.1308   1.0000
  17.000   1.2631   0.06153   0.05496   0.0309   0.1284   1.0000
  17.250   1.2619   0.06455   0.05806   0.0300   0.1262   1.0000
  17.500   1.2414   0.06990   0.06364   0.0275   0.1242   1.0000
  17.750   1.2327   0.07406   0.06793   0.0257   0.1220   1.0000
  18.000   1.2417   0.07602   0.06987   0.0250   0.1198   1.0000
  18.250   1.2789   0.07447   0.06809   0.0266   0.1175   1.0000
  18.500   1.2385   0.08291   0.07688   0.0221   0.1159   1.0000
  18.750   1.1942   0.09258   0.08687   0.0168   0.1140   1.0000
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