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BOEING 737 ROOT AIRFOIL (b737a-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: BOEING 737 ROOT AIRFOIL (b737a-il)
Reynolds number: 500,000
Max Cl/Cd: 67.7 at α=9.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-b737a-il-500000.txt
Download as CSV file: xf-b737a-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: BOEING 737 ROOT 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
  ------ -------- --------- --------- -------- -------- --------
 -18.000  -1.1866   0.08946   0.08451  -0.0080   1.0000   0.0350
 -17.750  -1.1902   0.08544   0.08044  -0.0096   1.0000   0.0353
 -17.500  -1.1947   0.08127   0.07621  -0.0114   1.0000   0.0356
 -17.250  -1.2000   0.07696   0.07184  -0.0132   1.0000   0.0359
 -17.000  -1.2062   0.07252   0.06732  -0.0151   1.0000   0.0361
 -16.750  -1.2131   0.06797   0.06268  -0.0171   1.0000   0.0364
 -16.500  -1.2204   0.06341   0.05803  -0.0192   1.0000   0.0367
 -16.250  -1.2269   0.05900   0.05351  -0.0211   1.0000   0.0370
 -16.000  -1.2322   0.05477   0.04917  -0.0230   1.0000   0.0373
 -15.750  -1.2368   0.05079   0.04509  -0.0247   1.0000   0.0376
 -15.500  -1.2463   0.04643   0.04066  -0.0264   1.0000   0.0379
 -15.250  -1.2525   0.04259   0.03674  -0.0278   1.0000   0.0382
 -15.000  -1.2552   0.03930   0.03337  -0.0287   1.0000   0.0386
 -14.750  -1.2550   0.03646   0.03045  -0.0294   1.0000   0.0390
 -14.500  -1.2523   0.03400   0.02792  -0.0297   1.0000   0.0395
 -14.250  -1.2475   0.03184   0.02568  -0.0298   1.0000   0.0401
 -14.000  -1.2403   0.03002   0.02377  -0.0296   1.0000   0.0407
 -13.750  -1.2297   0.02857   0.02223  -0.0293   1.0000   0.0414
 -13.500  -1.2286   0.02649   0.02010  -0.0285   1.0000   0.0421
 -13.250  -1.2228   0.02499   0.01855  -0.0273   1.0000   0.0428
 -13.000  -1.2137   0.02386   0.01737  -0.0257   1.0000   0.0437
 -12.750  -1.2014   0.02296   0.01641  -0.0240   1.0000   0.0446
 -12.500  -1.1843   0.02223   0.01561  -0.0228   1.0000   0.0456
 -12.250  -1.1729   0.02099   0.01434  -0.0212   1.0000   0.0468
 -12.000  -1.1561   0.02011   0.01342  -0.0199   1.0000   0.0481
 -11.750  -1.1367   0.01941   0.01267  -0.0188   1.0000   0.0495
 -11.500  -1.1186   0.01854   0.01177  -0.0175   1.0000   0.0512
 -11.250  -1.0988   0.01779   0.01098  -0.0164   1.0000   0.0534
 -11.000  -1.0793   0.01699   0.01017  -0.0152   1.0000   0.0569
 -10.750  -1.0565   0.01647   0.00994  -0.0144   1.0000   0.0862
 -10.500  -1.0281   0.01655   0.00999  -0.0140   1.0000   0.0934
 -10.250  -1.0005   0.01657   0.00996  -0.0136   1.0000   0.0977
 -10.000  -0.9747   0.01645   0.00984  -0.0130   1.0000   0.1012
  -9.750  -0.9478   0.01646   0.00977  -0.0124   1.0000   0.1038
  -9.500  -0.9256   0.01597   0.00932  -0.0114   1.0000   0.1062
  -9.250  -0.9014   0.01572   0.00908  -0.0106   1.0000   0.1085
  -9.000  -0.8765   0.01556   0.00888  -0.0098   1.0000   0.1106
  -8.750  -0.8529   0.01528   0.00857  -0.0089   1.0000   0.1123
  -8.500  -0.8310   0.01480   0.00815  -0.0077   1.0000   0.1141
  -8.250  -0.8080   0.01449   0.00786  -0.0066   1.0000   0.1157
  -8.000  -0.7845   0.01423   0.00760  -0.0056   1.0000   0.1171
  -7.750  -0.7610   0.01400   0.00737  -0.0046   1.0000   0.1183
  -7.500  -0.7376   0.01381   0.00717  -0.0035   1.0000   0.1192
  -7.250  -0.7078   0.01352   0.00689  -0.0039   0.9976   0.1202
  -7.000  -0.6642   0.01302   0.00645  -0.0071   0.9857   0.1217
  -6.750  -0.6193   0.01262   0.00608  -0.0104   0.9604   0.1231
  -6.500  -0.5729   0.01229   0.00571  -0.0138   0.9139   0.1245
  -6.250  -0.5425   0.01215   0.00543  -0.0138   0.8712   0.1255
  -6.000  -0.5163   0.01205   0.00522  -0.0131   0.8462   0.1262
  -5.750  -0.4897   0.01194   0.00502  -0.0124   0.8278   0.1269
  -5.500  -0.4630   0.01183   0.00484  -0.0118   0.8119   0.1275
  -5.250  -0.4362   0.01173   0.00467  -0.0112   0.7954   0.1281
  -5.000  -0.4095   0.01153   0.00446  -0.0107   0.7802   0.1292
  -4.750  -0.3827   0.01134   0.00425  -0.0101   0.7665   0.1307
  -4.500  -0.3558   0.01118   0.00405  -0.0096   0.7518   0.1321
  -4.250  -0.3283   0.01102   0.00389  -0.0092   0.7380   0.1334
  -4.000  -0.3008   0.01091   0.00373  -0.0087   0.7250   0.1343
  -3.750  -0.2730   0.01079   0.00359  -0.0083   0.7105   0.1354
  -3.500  -0.2453   0.01068   0.00346  -0.0079   0.6952   0.1367
  -3.250  -0.2178   0.01057   0.00332  -0.0074   0.6772   0.1390
  -3.000  -0.1905   0.01045   0.00319  -0.0069   0.6561   0.1431
  -2.750  -0.1638   0.01026   0.00307  -0.0064   0.6314   0.1611
  -2.500  -0.1369   0.01018   0.00300  -0.0059   0.5985   0.1872
  -2.250  -0.1102   0.01023   0.00293  -0.0053   0.5504   0.1981
  -2.000  -0.0850   0.01051   0.00289  -0.0046   0.4583   0.2058
  -1.750  -0.0610   0.01097   0.00294  -0.0038   0.3447   0.2133
  -1.500  -0.0343   0.01123   0.00300  -0.0034   0.2988   0.2201
  -1.250  -0.0070   0.01133   0.00304  -0.0031   0.2756   0.2268
  -0.750   0.0486   0.01151   0.00313  -0.0025   0.2487   0.2394
  -0.500   0.0759   0.01159   0.00319  -0.0022   0.2384   0.2471
  -0.250   0.1041   0.01162   0.00323  -0.0020   0.2320   0.2550
   0.000   0.1318   0.01167   0.00328  -0.0017   0.2254   0.2637
   0.250   0.1593   0.01175   0.00337  -0.0014   0.2188   0.2737
   0.500   0.1873   0.01171   0.00340  -0.0012   0.2136   0.2878
   0.750   0.2147   0.01170   0.00344  -0.0009   0.2081   0.3088
   1.000   0.2410   0.01171   0.00355  -0.0005   0.2024   0.3487
   1.250   0.2669   0.01131   0.00356  -0.0001   0.1995   0.4544
   1.500   0.2925   0.01103   0.00366   0.0004   0.1959   0.5565
   1.750   0.3191   0.01102   0.00383   0.0009   0.1923   0.6135
   2.000   0.3460   0.01118   0.00402   0.0014   0.1884   0.6458
   2.250   0.3733   0.01134   0.00424   0.0018   0.1851   0.6691
   2.500   0.4012   0.01141   0.00438   0.0021   0.1823   0.6880
   2.750   0.4290   0.01149   0.00452   0.0024   0.1787   0.7039
   3.000   0.4566   0.01164   0.00465   0.0027   0.1747   0.7193
   3.250   0.4834   0.01188   0.00489   0.0032   0.1706   0.7344
   3.500   0.5114   0.01193   0.00501   0.0035   0.1675   0.7476
   3.750   0.5394   0.01205   0.00514   0.0037   0.1643   0.7596
   4.000   0.5664   0.01218   0.00530   0.0041   0.1611   0.7708
   4.250   0.5930   0.01249   0.00557   0.0045   0.1574   0.7823
   4.500   0.6205   0.01253   0.00571   0.0049   0.1548   0.7942
   4.750   0.6480   0.01262   0.00585   0.0052   0.1515   0.8066
   5.000   0.6748   0.01275   0.00600   0.0056   0.1482   0.8193
   5.250   0.7004   0.01300   0.00626   0.0062   0.1448   0.8330
   5.500   0.7273   0.01305   0.00641   0.0066   0.1420   0.8482
   5.750   0.7537   0.01313   0.00656   0.0071   0.1388   0.8646
   6.000   0.7788   0.01326   0.00673   0.0079   0.1357   0.8864
   6.250   0.8039   0.01342   0.00700   0.0087   0.1327   0.9216
   6.500   0.8442   0.01358   0.00723   0.0063   0.1293   0.9711
   6.750   0.8809   0.01381   0.00744   0.0044   0.1259   1.0000
   7.000   0.9060   0.01415   0.00771   0.0048   0.1230   1.0000
   7.250   0.9325   0.01436   0.00795   0.0051   0.1207   1.0000
   7.500   0.9586   0.01461   0.00819   0.0054   0.1183   1.0000
   7.750   0.9843   0.01489   0.00845   0.0057   0.1160   1.0000
   8.000   1.0088   0.01530   0.00880   0.0062   0.1138   1.0000
   8.250   1.0349   0.01555   0.00910   0.0065   0.1120   1.0000
   8.500   1.0605   0.01583   0.00941   0.0068   0.1100   1.0000
   8.750   1.0859   0.01613   0.00971   0.0072   0.1080   1.0000
   9.000   1.1103   0.01650   0.01004   0.0076   0.1059   1.0000
   9.250   1.1348   0.01687   0.01043   0.0080   0.1041   1.0000
   9.500   1.1600   0.01717   0.01078   0.0084   0.1024   1.0000
   9.750   1.1847   0.01750   0.01113   0.0087   0.1005   1.0000
  10.000   1.2087   0.01788   0.01150   0.0092   0.0986   1.0000
  10.250   1.2312   0.01836   0.01197   0.0097   0.0968   1.0000
  10.500   1.2558   0.01866   0.01234   0.0101   0.0948   1.0000
  10.750   1.2795   0.01903   0.01275   0.0106   0.0928   1.0000
  11.000   1.3021   0.01947   0.01319   0.0111   0.0907   1.0000
  11.250   1.3235   0.01997   0.01370   0.0118   0.0887   1.0000
  11.500   1.3465   0.02035   0.01414   0.0123   0.0862   1.0000
  11.750   1.3674   0.02085   0.01464   0.0129   0.0832   1.0000
  12.000   1.3878   0.02138   0.01520   0.0136   0.0806   1.0000
  12.250   1.4077   0.02191   0.01577   0.0144   0.0775   1.0000
  12.500   1.4241   0.02256   0.01644   0.0155   0.0745   1.0000
  12.750   1.4411   0.02318   0.01711   0.0166   0.0708   1.0000
  13.000   1.4560   0.02395   0.01790   0.0177   0.0668   1.0000
  13.250   1.4690   0.02488   0.01885   0.0187   0.0617   1.0000
  13.500   1.4791   0.02606   0.02003   0.0198   0.0554   1.0000
  13.750   1.4856   0.02762   0.02159   0.0206   0.0505   1.0000
  14.000   1.4902   0.02947   0.02347   0.0210   0.0478   1.0000
  14.250   1.4939   0.03153   0.02559   0.0212   0.0464   1.0000
  14.500   1.4958   0.03389   0.02803   0.0210   0.0453   1.0000
  14.750   1.4948   0.03667   0.03090   0.0205   0.0445   1.0000
  15.000   1.4908   0.03994   0.03427   0.0196   0.0439   1.0000
  15.250   1.4844   0.04365   0.03810   0.0183   0.0435   1.0000
  15.500   1.4748   0.04797   0.04255   0.0164   0.0432   1.0000
  15.750   1.4588   0.05337   0.04811   0.0139   0.0431   1.0000
  16.000   1.4341   0.06040   0.05532   0.0102   0.0430   1.0000
  16.250   1.3952   0.07006   0.06521   0.0050   0.0430   1.0000
  16.500   1.3395   0.08258   0.07799  -0.0015   0.0432   1.0000
  16.750   1.2829   0.09513   0.09075  -0.0079   0.0434   1.0000
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