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NASA/LANGLEY LS(1)-0421 AIRFOIL (ls421-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NASA/LANGLEY LS(1)-0421 AIRFOIL (ls421-il)
Reynolds number: 500,000
Max Cl/Cd: 89.52 at α=4.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-ls421-il-500000.txt
Download as CSV file: xf-ls421-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NASA/LANGLEY LS(1)-0421 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
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9798   0.09144   0.08680  -0.0747   1.0000   0.0298
 -19.500  -0.9849   0.08708   0.08233  -0.0770   1.0000   0.0300
 -19.250  -0.9887   0.08299   0.07813  -0.0791   1.0000   0.0302
 -19.000  -0.9913   0.07915   0.07419  -0.0809   1.0000   0.0305
 -18.750  -0.9928   0.07550   0.07044  -0.0827   1.0000   0.0307
 -18.500  -0.9935   0.07200   0.06682  -0.0843   1.0000   0.0310
 -18.250  -0.9934   0.06866   0.06338  -0.0858   1.0000   0.0313
 -18.000  -0.9925   0.06551   0.06012  -0.0871   1.0000   0.0315
 -17.750  -0.9909   0.06248   0.05696  -0.0884   1.0000   0.0318
 -17.500  -0.9878   0.05970   0.05408  -0.0895   1.0000   0.0320
 -17.250  -0.9784   0.05796   0.05235  -0.0896   1.0000   0.0324
 -17.000  -0.9693   0.05604   0.05042  -0.0901   1.0000   0.0328
 -16.750  -0.9605   0.05403   0.04840  -0.0909   1.0000   0.0331
 -16.500  -0.9508   0.05209   0.04644  -0.0918   1.0000   0.0335
 -16.250  -0.9390   0.05011   0.04440  -0.0933   0.9861   0.0339
 -16.000  -0.9253   0.04817   0.04239  -0.0948   0.9723   0.0344
 -15.750  -0.9153   0.04639   0.04052  -0.0952   0.9585   0.0349
 -15.500  -0.9081   0.04481   0.03882  -0.0946   0.9457   0.0353
 -15.250  -0.9000   0.04328   0.03717  -0.0942   0.9349   0.0358
 -15.000  -0.8919   0.04182   0.03558  -0.0936   0.9260   0.0361
 -14.750  -0.8825   0.04046   0.03422  -0.0928   0.9181   0.0368
 -14.500  -0.8728   0.03916   0.03287  -0.0922   0.9109   0.0373
 -14.250  -0.8615   0.03784   0.03151  -0.0920   0.9047   0.0379
 -14.000  -0.8493   0.03660   0.03023  -0.0917   0.8986   0.0385
 -13.750  -0.8374   0.03543   0.02897  -0.0912   0.8929   0.0392
 -13.500  -0.8248   0.03431   0.02775  -0.0908   0.8876   0.0399
 -13.250  -0.8099   0.03327   0.02662  -0.0907   0.8828   0.0405
 -13.000  -0.8005   0.03193   0.02530  -0.0900   0.8777   0.0414
 -12.750  -0.7881   0.03082   0.02416  -0.0895   0.8729   0.0422
 -12.500  -0.7740   0.02988   0.02316  -0.0890   0.8679   0.0431
 -12.250  -0.7581   0.02895   0.02219  -0.0888   0.8639   0.0442
 -12.000  -0.7413   0.02810   0.02127  -0.0886   0.8598   0.0451
 -11.750  -0.7300   0.02692   0.02009  -0.0879   0.8556   0.0462
 -11.500  -0.7154   0.02598   0.01913  -0.0874   0.8518   0.0473
 -11.250  -0.6995   0.02517   0.01826  -0.0869   0.8479   0.0485
 -11.000  -0.6817   0.02443   0.01748  -0.0866   0.8445   0.0498
 -10.750  -0.6664   0.02351   0.01654  -0.0862   0.8411   0.0510
 -10.500  -0.6510   0.02261   0.01566  -0.0857   0.8375   0.0525
 -10.250  -0.6329   0.02191   0.01493  -0.0854   0.8339   0.0541
 -10.000  -0.6139   0.02128   0.01424  -0.0850   0.8306   0.0559
  -9.750  -0.5988   0.02042   0.01338  -0.0843   0.8271   0.0580
  -9.500  -0.5796   0.01984   0.01277  -0.0840   0.8239   0.0603
  -9.250  -0.5620   0.01913   0.01208  -0.0835   0.8212   0.0629
  -9.000  -0.5459   0.01851   0.01148  -0.0827   0.8181   0.0659
  -8.750  -0.5303   0.01794   0.01091  -0.0817   0.8150   0.0694
  -8.500  -0.5102   0.01737   0.01034  -0.0815   0.8122   0.0744
  -8.250  -0.4895   0.01674   0.00974  -0.0815   0.8094   0.0812
  -8.000  -0.4670   0.01616   0.00918  -0.0818   0.8067   0.0909
  -7.750  -0.4437   0.01559   0.00869  -0.0823   0.8035   0.1045
  -7.500  -0.4185   0.01504   0.00824  -0.0830   0.8014   0.1215
  -7.250  -0.3928   0.01452   0.00783  -0.0836   0.7991   0.1412
  -7.000  -0.3663   0.01401   0.00745  -0.0844   0.7967   0.1640
  -6.750  -0.3389   0.01350   0.00708  -0.0853   0.7943   0.1915
  -6.500  -0.3107   0.01296   0.00670  -0.0864   0.7920   0.2259
  -6.250  -0.2814   0.01240   0.00634  -0.0877   0.7898   0.2682
  -6.000  -0.2509   0.01188   0.00599  -0.0892   0.7875   0.3126
  -5.750  -0.2194   0.01141   0.00569  -0.0908   0.7854   0.3566
  -5.500  -0.1870   0.01099   0.00544  -0.0925   0.7831   0.4030
  -5.250  -0.1538   0.01059   0.00526  -0.0944   0.7811   0.4542
  -5.000  -0.1202   0.01024   0.00514  -0.0962   0.7794   0.5078
  -4.750  -0.0875   0.01012   0.00518  -0.0975   0.7775   0.5493
  -4.500  -0.0551   0.01013   0.00523  -0.0986   0.7753   0.5774
  -4.250  -0.0231   0.01019   0.00531  -0.0994   0.7729   0.5964
  -4.000   0.0082   0.01028   0.00543  -0.1001   0.7706   0.6097
  -3.750   0.0403   0.01038   0.00548  -0.1009   0.7686   0.6206
  -3.500   0.0712   0.01051   0.00561  -0.1015   0.7667   0.6287
  -3.250   0.1038   0.01064   0.00566  -0.1024   0.7648   0.6375
  -3.000   0.1337   0.01079   0.00584  -0.1027   0.7625   0.6436
  -2.750   0.1639   0.01104   0.00609  -0.1031   0.7603   0.6496
  -2.500   0.1953   0.01116   0.00620  -0.1038   0.7584   0.6559
  -2.250   0.2259   0.01126   0.00631  -0.1044   0.7561   0.6616
  -2.000   0.2548   0.01143   0.00654  -0.1044   0.7536   0.6663
  -1.750   0.2850   0.01154   0.00665  -0.1048   0.7511   0.6702
  -1.500   0.3163   0.01159   0.00668  -0.1055   0.7486   0.6740
  -1.250   0.3485   0.01161   0.00665  -0.1064   0.7461   0.6775
  -1.000   0.3808   0.01161   0.00659  -0.1074   0.7435   0.6805
  -0.750   0.4108   0.01170   0.00666  -0.1077   0.7401   0.6831
  -0.500   0.4400   0.01169   0.00671  -0.1080   0.7371   0.6855
  -0.250   0.4695   0.01170   0.00675  -0.1082   0.7331   0.6882
   0.000   0.4997   0.01169   0.00674  -0.1086   0.7287   0.6915
   0.250   0.5309   0.01168   0.00668  -0.1091   0.7245   0.6954
   0.500   0.5628   0.01173   0.00667  -0.1099   0.7207   0.6989
   0.750   0.5939   0.01176   0.00670  -0.1107   0.7168   0.7012
   1.000   0.6235   0.01159   0.00658  -0.1111   0.7116   0.7037
   1.250   0.6533   0.01147   0.00645  -0.1113   0.7056   0.7057
   1.500   0.6836   0.01145   0.00638  -0.1117   0.7001   0.7076
   1.750   0.7125   0.01143   0.00642  -0.1119   0.6948   0.7096
   2.000   0.7423   0.01139   0.00640  -0.1123   0.6890   0.7117
   2.250   0.7728   0.01135   0.00633  -0.1128   0.6833   0.7138
   2.500   0.8032   0.01133   0.00631  -0.1134   0.6773   0.7158
   2.750   0.8329   0.01130   0.00630  -0.1139   0.6700   0.7180
   3.000   0.8633   0.01127   0.00623  -0.1145   0.6627   0.7201
   3.250   0.8929   0.01127   0.00625  -0.1150   0.6540   0.7217
   3.500   0.9225   0.01126   0.00621  -0.1154   0.6442   0.7231
   3.750   0.9508   0.01120   0.00618  -0.1156   0.6331   0.7250
   4.000   0.9777   0.01123   0.00619  -0.1155   0.6198   0.7267
   4.250   1.0034   0.01132   0.00625  -0.1151   0.6025   0.7285
   4.500   1.0277   0.01148   0.00636  -0.1145   0.5799   0.7303
   4.750   1.0482   0.01179   0.00653  -0.1132   0.5481   0.7320
   5.000   1.0637   0.01229   0.00684  -0.1110   0.5090   0.7339
   5.250   1.0752   0.01293   0.00727  -0.1082   0.4698   0.7359
   5.500   1.0840   0.01360   0.00776  -0.1050   0.4336   0.7380
   5.750   1.0852   0.01428   0.00829  -0.1004   0.4040   0.7401
   6.000   1.0905   0.01515   0.00901  -0.0969   0.3740   0.7423
   6.250   1.0995   0.01610   0.00981  -0.0942   0.3461   0.7442
   6.500   1.1098   0.01699   0.01058  -0.0920   0.3201   0.7463
   6.750   1.1196   0.01795   0.01144  -0.0898   0.2968   0.7482
   7.000   1.1297   0.01895   0.01235  -0.0876   0.2754   0.7500
   7.250   1.1407   0.01997   0.01327  -0.0857   0.2557   0.7519
   7.500   1.1526   0.02096   0.01418  -0.0840   0.2378   0.7538
   7.750   1.1651   0.02196   0.01511  -0.0825   0.2217   0.7559
   8.000   1.1786   0.02292   0.01601  -0.0811   0.2071   0.7580
   8.250   1.1922   0.02391   0.01695  -0.0798   0.1948   0.7601
   8.500   1.2055   0.02494   0.01791  -0.0785   0.1840   0.7622
   8.750   1.2188   0.02600   0.01892  -0.0773   0.1744   0.7643
   9.000   1.2339   0.02694   0.01984  -0.0763   0.1665   0.7662
   9.250   1.2462   0.02801   0.02088  -0.0750   0.1591   0.7686
   9.500   1.2612   0.02892   0.02182  -0.0740   0.1533   0.7706
   9.750   1.2739   0.03001   0.02289  -0.0727   0.1475   0.7726
  10.000   1.2876   0.03104   0.02394  -0.0716   0.1426   0.7748
  10.250   1.3017   0.03207   0.02498  -0.0706   0.1378   0.7770
  10.500   1.3126   0.03335   0.02624  -0.0694   0.1333   0.7793
  10.750   1.3283   0.03431   0.02724  -0.0686   0.1297   0.7817
  11.000   1.3421   0.03545   0.02839  -0.0678   0.1260   0.7840
  11.250   1.3531   0.03683   0.02974  -0.0667   0.1224   0.7860
  11.500   1.3673   0.03793   0.03089  -0.0660   0.1194   0.7883
  11.750   1.3811   0.03906   0.03207  -0.0652   0.1163   0.7906
  12.000   1.3924   0.04040   0.03342  -0.0642   0.1133   0.7930
  12.250   1.4012   0.04195   0.03498  -0.0630   0.1104   0.7956
  12.500   1.4157   0.04311   0.03622  -0.0624   0.1082   0.7985
  12.750   1.4285   0.04442   0.03756  -0.0617   0.1057   0.8013
  13.000   1.4393   0.04593   0.03907  -0.0609   0.1033   0.8040
  13.250   1.4461   0.04780   0.04093  -0.0599   0.1009   0.8062
  13.500   1.4600   0.04903   0.04226  -0.0594   0.0989   0.8089
  13.750   1.4723   0.05041   0.04371  -0.0587   0.0967   0.8115
  14.000   1.4813   0.05211   0.04544  -0.0580   0.0947   0.8142
  14.250   1.4872   0.05412   0.04745  -0.0571   0.0927   0.8169
  14.500   1.4974   0.05575   0.04915  -0.0565   0.0910   0.8199
  14.750   1.5081   0.05741   0.05089  -0.0561   0.0893   0.8229
  15.000   1.5179   0.05918   0.05269  -0.0557   0.0875   0.8256
  15.250   1.5249   0.06114   0.05470  -0.0551   0.0857   0.8287
  15.500   1.5273   0.06356   0.05713  -0.0542   0.0840   0.8316
  15.750   1.5371   0.06533   0.05901  -0.0539   0.0827   0.8350
  16.000   1.5453   0.06731   0.06107  -0.0535   0.0812   0.8386
  16.250   1.5526   0.06942   0.06324  -0.0533   0.0797   0.8419
  16.500   1.5584   0.07167   0.06553  -0.0530   0.0784   0.8450
  16.750   1.5604   0.07428   0.06817  -0.0526   0.0770   0.8481
  17.000   1.5649   0.07663   0.07059  -0.0523   0.0757   0.8514
  17.250   1.5708   0.07899   0.07306  -0.0522   0.0746   0.8550
  17.500   1.5763   0.08139   0.07554  -0.0522   0.0734   0.8588
  17.750   1.5805   0.08398   0.07820  -0.0523   0.0722   0.8623
  18.000   1.5832   0.08665   0.08093  -0.0523   0.0711   0.8659
  18.250   1.5838   0.08955   0.08386  -0.0523   0.0700   0.8697
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