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NREL's S818 Airfoil (s818-nr) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NREL's S818 Airfoil (s818-nr)
Reynolds number: 500,000
Max Cl/Cd: 81.95 at α=9°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s818-nr-500000-n5.txt
Download as CSV file: xf-s818-nr-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S818 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
  ------ -------- --------- --------- -------- -------- --------
 -14.250  -0.6674   0.09069   0.08584  -0.0464   0.9964   0.0653
 -14.000  -0.6587   0.08870   0.08389  -0.0472   0.9959   0.0719
 -13.750  -0.6505   0.08643   0.08166  -0.0484   0.9952   0.0794
 -13.500  -0.6422   0.08387   0.07915  -0.0501   0.9943   0.0887
 -13.250  -0.6354   0.08043   0.07580  -0.0530   0.9931   0.1035
 -13.000  -0.6412   0.07574   0.07129  -0.0559   0.9911   0.1301
 -12.750  -0.6672   0.06881   0.06456  -0.0594   0.9880   0.1659
 -12.500  -0.7118   0.05958   0.05552  -0.0644   0.9847   0.2008
 -11.750  -0.8054   0.03824   0.03436  -0.0773   0.9709   0.2801
 -11.500  -0.8569   0.03122   0.02714  -0.0787   0.9640   0.2774
 -11.250  -0.8851   0.02646   0.02228  -0.0798   0.9561   0.2841
 -11.000  -0.9176   0.02306   0.01878  -0.0770   0.9448   0.2876
 -10.750  -0.8983   0.02043   0.01601  -0.0816   0.9408   0.2958
 -10.500  -0.8916   0.01858   0.01410  -0.0825   0.9315   0.3010
 -10.000  -0.8348   0.01666   0.01195  -0.0877   0.9209   0.3100
  -9.750  -0.8073   0.01634   0.01161  -0.0885   0.9139   0.3131
  -9.500  -0.7822   0.01606   0.01128  -0.0888   0.9054   0.3164
  -9.250  -0.7534   0.01572   0.01085  -0.0898   0.8977   0.3194
  -9.000  -0.7246   0.01538   0.01038  -0.0909   0.8891   0.3218
  -8.750  -0.6895   0.01502   0.00995  -0.0929   0.8821   0.3237
  -8.500  -0.6532   0.01475   0.00967  -0.0948   0.8742   0.3253
  -8.250  -0.6085   0.01454   0.00942  -0.0982   0.8665   0.3270
  -8.000  -0.5563   0.01434   0.00915  -0.1032   0.8555   0.3287
  -7.750  -0.4906   0.01407   0.00874  -0.1110   0.8392   0.3297
  -7.500  -0.4278   0.01382   0.00827  -0.1185   0.8110   0.3300
  -7.250  -0.3935   0.01368   0.00792  -0.1203   0.7797   0.3304
  -7.000  -0.3675   0.01357   0.00764  -0.1205   0.7516   0.3307
  -6.750  -0.3433   0.01348   0.00738  -0.1202   0.7267   0.3310
  -6.500  -0.3193   0.01339   0.00715  -0.1199   0.7040   0.3314
  -6.250  -0.2951   0.01331   0.00693  -0.1196   0.6835   0.3318
  -6.000  -0.2705   0.01323   0.00672  -0.1194   0.6647   0.3323
  -5.750  -0.2454   0.01314   0.00652  -0.1193   0.6473   0.3327
  -5.500  -0.2199   0.01306   0.00632  -0.1192   0.6310   0.3331
  -5.250  -0.1941   0.01299   0.00614  -0.1192   0.6151   0.3336
  -5.000  -0.1679   0.01292   0.00596  -0.1192   0.6002   0.3339
  -4.750  -0.1415   0.01285   0.00580  -0.1193   0.5861   0.3343
  -4.500  -0.1149   0.01280   0.00564  -0.1194   0.5731   0.3347
  -4.250  -0.0874   0.01273   0.00550  -0.1196   0.5612   0.3351
  -4.000  -0.0599   0.01267   0.00536  -0.1199   0.5507   0.3355
  -3.500  -0.0043   0.01258   0.00512  -0.1204   0.5310   0.3363
  -3.250   0.0232   0.01256   0.00501  -0.1206   0.5219   0.3367
  -3.000   0.0517   0.01251   0.00492  -0.1210   0.5136   0.3370
  -2.500   0.1081   0.01244   0.00474  -0.1216   0.4984   0.3379
  -2.250   0.1361   0.01239   0.00466  -0.1219   0.4911   0.3386
  -2.000   0.1643   0.01236   0.00461  -0.1222   0.4850   0.3393
  -1.750   0.1928   0.01234   0.00456  -0.1226   0.4784   0.3400
  -1.500   0.2206   0.01234   0.00453  -0.1228   0.4721   0.3407
  -1.250   0.2491   0.01233   0.00450  -0.1231   0.4666   0.3413
  -1.000   0.2775   0.01233   0.00449  -0.1234   0.4609   0.3420
  -0.750   0.3054   0.01236   0.00448  -0.1236   0.4559   0.3427
  -0.500   0.3337   0.01237   0.00448  -0.1239   0.4517   0.3434
  -0.250   0.3624   0.01237   0.00448  -0.1242   0.4475   0.3442
   0.000   0.3907   0.01239   0.00449  -0.1245   0.4433   0.3450
   0.250   0.4187   0.01243   0.00451  -0.1247   0.4395   0.3458
   0.500   0.4466   0.01248   0.00454  -0.1249   0.4360   0.3466
   0.750   0.4754   0.01250   0.00456  -0.1252   0.4330   0.3474
   1.000   0.5039   0.01252   0.00459  -0.1255   0.4298   0.3483
   1.250   0.5320   0.01257   0.00463  -0.1257   0.4266   0.3491
   1.500   0.5599   0.01263   0.00468  -0.1258   0.4237   0.3500
   1.750   0.5876   0.01270   0.00474  -0.1259   0.4209   0.3508
   2.000   0.6157   0.01276   0.00480  -0.1261   0.4185   0.3515
   2.250   0.6442   0.01281   0.00486  -0.1264   0.4160   0.3522
   2.500   0.6725   0.01285   0.00493  -0.1266   0.4134   0.3531
   2.750   0.7008   0.01290   0.00501  -0.1269   0.4109   0.3543
   3.000   0.7289   0.01297   0.00511  -0.1270   0.4087   0.3554
   3.250   0.7567   0.01306   0.00521  -0.1272   0.4066   0.3566
   3.500   0.7843   0.01316   0.00534  -0.1273   0.4046   0.3577
   3.750   0.8120   0.01328   0.00547  -0.1274   0.4027   0.3589
   4.000   0.8404   0.01335   0.00560  -0.1276   0.4012   0.3601
   4.250   0.8685   0.01344   0.00573  -0.1278   0.3997   0.3615
   4.500   0.8965   0.01354   0.00588  -0.1279   0.3980   0.3629
   4.750   0.9242   0.01365   0.00603  -0.1280   0.3963   0.3643
   5.000   0.9518   0.01377   0.00619  -0.1281   0.3946   0.3657
   5.250   0.9790   0.01390   0.00635  -0.1281   0.3928   0.3669
   5.500   1.0059   0.01405   0.00651  -0.1281   0.3909   0.3679
   5.750   1.0332   0.01419   0.00669  -0.1281   0.3893   0.3694
   6.000   1.0607   0.01434   0.00690  -0.1282   0.3877   0.3710
   6.250   1.0883   0.01453   0.00712  -0.1283   0.3862   0.3725
   6.500   1.1158   0.01466   0.00733  -0.1284   0.3850   0.3741
   6.750   1.1427   0.01479   0.00755  -0.1283   0.3834   0.3757
   7.000   1.1676   0.01490   0.00773  -0.1279   0.3793   0.3774
   7.250   1.1883   0.01509   0.00790  -0.1267   0.3712   0.3790
   7.500   1.2110   0.01522   0.00809  -0.1259   0.3630   0.3805
   7.750   1.2341   0.01541   0.00830  -0.1252   0.3575   0.3821
   8.000   1.2564   0.01566   0.00856  -0.1244   0.3532   0.3834
   8.250   1.2815   0.01580   0.00879  -0.1240   0.3481   0.3850
   8.500   1.3047   0.01600   0.00906  -0.1234   0.3414   0.3870
   8.750   1.3264   0.01626   0.00936  -0.1225   0.3354   0.3889
   9.000   1.3497   0.01647   0.00965  -0.1219   0.3277   0.3909
   9.250   1.3696   0.01679   0.00999  -0.1207   0.3177   0.3931
   9.500   1.3879   0.01719   0.01038  -0.1193   0.3017   0.3953
   9.750   1.3985   0.01793   0.01099  -0.1169   0.2719   0.3972
  10.000   1.3993   0.01923   0.01206  -0.1132   0.2335   0.3989
  10.250   1.3993   0.02065   0.01333  -0.1096   0.2024   0.4002
  10.500   1.4006   0.02207   0.01464  -0.1064   0.1772   0.4020
  10.750   1.4025   0.02351   0.01602  -0.1035   0.1560   0.4039
  11.000   1.4037   0.02506   0.01751  -0.1007   0.1384   0.4057
  11.250   1.4055   0.02665   0.01907  -0.0982   0.1238   0.4075
  11.500   1.4075   0.02831   0.02074  -0.0960   0.1115   0.4095
  11.750   1.4096   0.03008   0.02251  -0.0940   0.1014   0.4114
  12.000   1.4104   0.03205   0.02449  -0.0922   0.0927   0.4133
  12.250   1.4103   0.03424   0.02670  -0.0906   0.0850   0.4150
  12.500   1.4123   0.03640   0.02891  -0.0894   0.0791   0.4166
  12.750   1.4113   0.03899   0.03154  -0.0884   0.0733   0.4186
  13.000   1.4121   0.04154   0.03416  -0.0877   0.0686   0.4209
  13.250   1.4107   0.04445   0.03713  -0.0871   0.0639   0.4231
  13.500   1.4087   0.04756   0.04031  -0.0868   0.0601   0.4256
  13.750   1.4074   0.05069   0.04351  -0.0866   0.0563   0.4280
  14.000   1.4037   0.05420   0.04709  -0.0866   0.0529   0.4304
  14.250   1.4014   0.05766   0.05061  -0.0868   0.0501   0.4326
  14.500   1.3992   0.06121   0.05425  -0.0871   0.0473   0.4350
  14.750   1.3951   0.06506   0.05816  -0.0876   0.0447   0.4376
  15.000   1.3926   0.06879   0.06198  -0.0881   0.0425   0.4402
  15.250   1.3911   0.07246   0.06573  -0.0887   0.0404   0.4430
  15.500   1.3885   0.07633   0.06966  -0.0894   0.0383   0.4457
  15.750   1.3854   0.08028   0.07368  -0.0902   0.0363   0.4482
  16.000   1.3856   0.08389   0.07736  -0.0910   0.0348   0.4508
  16.250   1.3852   0.08764   0.08119  -0.0919   0.0331   0.4539
  16.500   1.3843   0.09146   0.08508  -0.0929   0.0314   0.4571
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