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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 50,000
Max Cl/Cd: 22.62 at α=9.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s819-nr-50000-n5.txt
Download as CSV file: xf-s819-nr-50000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S819 Airfoil                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.250  -0.7393   0.12818   0.11934  -0.0456   1.0000   0.0363
 -17.000  -0.7646   0.12261   0.11350  -0.0490   1.0000   0.0358
 -16.750  -0.7916   0.11792   0.10855  -0.0520   1.0000   0.0354
 -16.500  -0.7829   0.11489   0.10535  -0.0523   1.0000   0.0347
 -16.250  -0.7592   0.11236   0.10277  -0.0515   1.0000   0.0341
 -16.000  -0.7469   0.10957   0.09983  -0.0514   1.0000   0.0336
 -15.750  -0.7354   0.10703   0.09715  -0.0513   1.0000   0.0332
 -15.500  -0.7228   0.10474   0.09469  -0.0512   1.0000   0.0331
 -15.250  -0.7047   0.10308   0.09288  -0.0505   1.0000   0.0330
 -15.000  -0.6808   0.10212   0.09176  -0.0493   1.0000   0.0330
 -14.750  -0.6535   0.10177   0.09127  -0.0478   1.0000   0.0333
 -14.500  -0.6216   0.10224   0.09159  -0.0458   1.0000   0.0335
 -14.250  -0.5875   0.10335   0.09258  -0.0433   1.0000   0.0337
 -14.000  -0.5511   0.10521   0.09436  -0.0405   1.0000   0.0337
 -13.750  -0.5204   0.10670   0.09579  -0.0381   1.0000   0.0335
 -13.500  -0.4933   0.10789   0.09693  -0.0360   1.0000   0.0334
 -13.250  -0.4681   0.10896   0.09796  -0.0340   1.0000   0.0334
 -13.000  -0.4471   0.10945   0.09843  -0.0325   1.0000   0.0334
 -12.750  -0.4276   0.10979   0.09875  -0.0311   1.0000   0.0336
 -12.500  -0.4111   0.10964   0.09856  -0.0301   1.0000   0.0337
 -12.250  -0.3963   0.10920   0.09810  -0.0292   1.0000   0.0340
 -12.000  -0.3835   0.10844   0.09733  -0.0284   1.0000   0.0341
 -11.750  -0.3720   0.10745   0.09633  -0.0278   1.0000   0.0345
 -11.500  -0.3619   0.10622   0.09507  -0.0273   1.0000   0.0347
 -11.250  -0.3533   0.10476   0.09362  -0.0268   1.0000   0.0353
 -11.000  -0.3475   0.10297   0.09183  -0.0265   1.0000   0.0362
 -10.750  -0.3426   0.10101   0.08989  -0.0262   1.0000   0.0371
 -10.500  -0.3382   0.09894   0.08783  -0.0259   1.0000   0.0385
 -10.250  -0.3341   0.09685   0.08573  -0.0256   1.0000   0.0398
 -10.000  -0.3302   0.09475   0.08361  -0.0253   1.0000   0.0411
  -9.750  -0.3258   0.09272   0.08156  -0.0249   1.0000   0.0417
  -9.500  -0.3227   0.09057   0.07938  -0.0245   1.0000   0.0431
  -9.250  -0.3202   0.08839   0.07719  -0.0240   1.0000   0.0442
  -9.000  -0.3192   0.08610   0.07490  -0.0235   1.0000   0.0455
  -8.750  -0.2772   0.09099   0.08094  -0.0200   1.0000   0.1769
  -8.500  -0.2867   0.08720   0.07706  -0.0201   1.0000   0.2322
  -8.250  -0.2968   0.08363   0.07342  -0.0200   1.0000   0.2427
  -8.000  -0.3083   0.08014   0.06987  -0.0197   1.0000   0.2510
  -7.750  -0.3171   0.07733   0.06702  -0.0191   1.0000   0.2596
  -7.500  -0.3275   0.07456   0.06423  -0.0182   1.0000   0.2666
  -7.250  -0.3399   0.07196   0.06162  -0.0170   1.0000   0.2745
  -7.000  -0.3493   0.07032   0.06002  -0.0154   1.0000   0.2861
  -6.750  -0.3660   0.06750   0.05721  -0.0137   1.0000   0.2897
  -6.500  -0.3621   0.06778   0.05753  -0.0112   1.0000   0.2995
  -6.250  -0.2435   0.08710   0.07701  -0.0026   1.0000   0.3896
  -6.000  -0.2480   0.08590   0.07584  -0.0005   1.0000   0.3903
  -5.750  -0.2544   0.08469   0.07468   0.0019   1.0000   0.3896
  -5.500  -0.2648   0.08361   0.07366   0.0047   1.0000   0.3894
  -5.250  -0.2602   0.08199   0.07202   0.0043   0.9958   0.3897
  -5.000  -0.2334   0.07947   0.06939  -0.0005   0.9851   0.3905
  -4.750  -0.2088   0.07694   0.06675  -0.0049   0.9734   0.3911
  -4.500  -0.1860   0.07444   0.06417  -0.0088   0.9605   0.3912
  -4.000  -0.1495   0.06940   0.05899  -0.0151   0.9315   0.3917
  -3.750  -0.1358   0.06680   0.05633  -0.0177   0.9162   0.3923
  -3.500  -0.1305   0.06376   0.05323  -0.0199   0.9003   0.3935
  -3.250  -0.1362   0.05983   0.04921  -0.0222   0.8838   0.3960
  -3.000  -0.1069   0.05856   0.04792  -0.0238   0.8709   0.3971
  -2.750  -0.0787   0.05714   0.04646  -0.0257   0.8583   0.3984
  -2.500  -0.0552   0.05535   0.04463  -0.0275   0.8456   0.3999
  -2.250  -0.0361   0.05305   0.04226  -0.0297   0.8332   0.4014
  -2.000  -0.0241   0.05026   0.03938  -0.0319   0.8202   0.4036
  -1.750  -0.0306   0.04624   0.03517  -0.0336   0.8049   0.4073
  -1.500  -0.0339   0.04245   0.03114  -0.0354   0.7902   0.4119
  -1.250  -0.0064   0.04205   0.03075  -0.0355   0.7777   0.4134
  -1.000   0.0219   0.04143   0.03011  -0.0362   0.7659   0.4154
  -0.750   0.0511   0.04047   0.02910  -0.0375   0.7552   0.4181
  -0.500   0.0674   0.03913   0.02767  -0.0380   0.7417   0.4216
  -0.250   0.0818   0.03679   0.02507  -0.0400   0.7290   0.4267
   0.000   0.1100   0.03649   0.02480  -0.0401   0.7176   0.4283
   0.250   0.1397   0.03608   0.02439  -0.0407   0.7070   0.4303
   0.500   0.1616   0.03571   0.02403  -0.0404   0.6942   0.4328
   0.750   0.1856   0.03515   0.02345  -0.0408   0.6826   0.4360
   1.000   0.2151   0.03405   0.02217  -0.0428   0.6729   0.4414
   1.250   0.2376   0.03393   0.02212  -0.0424   0.6609   0.4442
   1.500   0.2612   0.03392   0.02221  -0.0419   0.6496   0.4470
   1.750   0.2912   0.03362   0.02190  -0.0425   0.6405   0.4510
   2.000   0.3139   0.03323   0.02148  -0.0430   0.6291   0.4561
   2.250   0.3385   0.03308   0.02137  -0.0431   0.6187   0.4598
   2.500   0.3671   0.03301   0.02140  -0.0432   0.6099   0.4631
   2.750   0.3882   0.03306   0.02153  -0.0427   0.5991   0.4670
   3.000   0.4183   0.03270   0.02110  -0.0441   0.5906   0.4730
   3.250   0.4405   0.03285   0.02141  -0.0435   0.5807   0.4765
   3.500   0.4643   0.03303   0.02171  -0.0430   0.5718   0.4809
   3.750   0.4914   0.03299   0.02171  -0.0435   0.5632   0.4871
   4.000   0.5135   0.03321   0.02207  -0.0432   0.5542   0.4922
   4.250   0.5401   0.03334   0.02232  -0.0430   0.5464   0.4972
   4.500   0.5610   0.03363   0.02270  -0.0428   0.5375   0.5036
   4.750   0.5883   0.03373   0.02294  -0.0428   0.5302   0.5091
   5.000   0.6063   0.03423   0.02363  -0.0418   0.5215   0.5144
   5.250   0.6357   0.03432   0.02378  -0.0426   0.5144   0.5225
   5.500   0.6520   0.03494   0.02464  -0.0412   0.5061   0.5274
   5.750   0.6788   0.03516   0.02497  -0.0414   0.4989   0.5353
   6.000   0.6967   0.03576   0.02577  -0.0405   0.4909   0.5415
   6.250   0.7202   0.03613   0.02632  -0.0401   0.4835   0.5491
   6.500   0.7393   0.03671   0.02707  -0.0394   0.4754   0.5568
   6.750   0.7616   0.03710   0.02764  -0.0387   0.4675   0.5644
   7.000   0.7789   0.03773   0.02846  -0.0379   0.4588   0.5725
   7.250   0.8035   0.03796   0.02887  -0.0373   0.4508   0.5809
   7.500   0.8152   0.03881   0.02993  -0.0358   0.4414   0.5892
   7.750   0.8478   0.03861   0.02987  -0.0359   0.4333   0.5995
   8.000   0.8508   0.03976   0.03128  -0.0334   0.4230   0.6068
   8.250   0.8749   0.03989   0.03158  -0.0329   0.4136   0.6175
   8.500   0.8917   0.04021   0.03211  -0.0313   0.4034   0.6266
   8.750   0.8978   0.04116   0.03326  -0.0292   0.3927   0.6363
   9.000   0.9192   0.04115   0.03342  -0.0280   0.3822   0.6470
   9.250   0.9346   0.04131   0.03377  -0.0262   0.3711   0.6577
   9.500   0.9298   0.04262   0.03528  -0.0231   0.3599   0.6678
   9.750   0.9387   0.04320   0.03607  -0.0210   0.3485   0.6788
  10.000   0.9534   0.04333   0.03636  -0.0192   0.3362   0.6912
  10.250   0.9625   0.04385   0.03705  -0.0173   0.3237   0.7042
  10.500   0.9540   0.04581   0.03922  -0.0151   0.3111   0.7159
  10.750   0.9497   0.04756   0.04115  -0.0133   0.2984   0.7286
  11.000   0.9478   0.04918   0.04296  -0.0117   0.2853   0.7421
  11.250   0.9468   0.05084   0.04479  -0.0104   0.2720   0.7576
  11.500   0.9452   0.05266   0.04676  -0.0092   0.2583   0.7748
  11.750   0.9425   0.05460   0.04885  -0.0082   0.2446   0.7942
  12.000   0.9401   0.05637   0.05075  -0.0068   0.2313   0.8181
  12.250   0.9339   0.05854   0.05311  -0.0056   0.2186   0.8499
  12.500   0.9208   0.06132   0.05607  -0.0045   0.2070   0.9145
  12.750   0.9211   0.06392   0.05865  -0.0056   0.1938   1.0000
  13.000   0.9256   0.06671   0.06136  -0.0068   0.1807   1.0000
  13.250   0.9285   0.06967   0.06425  -0.0080   0.1687   1.0000
  13.500   0.9335   0.07233   0.06680  -0.0089   0.1578   1.0000
  13.750   0.9362   0.07536   0.06976  -0.0099   0.1477   1.0000
  14.000   0.9302   0.07990   0.07440  -0.0117   0.1392   1.0000
  14.250   0.9360   0.08256   0.07696  -0.0125   0.1306   1.0000
  14.500   0.9288   0.08749   0.08204  -0.0146   0.1236   1.0000
  14.750   0.9322   0.09063   0.08512  -0.0157   0.1164   1.0000
  15.000   0.9222   0.09632   0.09099  -0.0184   0.1109   1.0000
  15.250   0.9311   0.09854   0.09310  -0.0190   0.1042   1.0000
  15.500   0.9108   0.10645   0.10129  -0.0230   0.1005   1.0000
  15.750   0.9054   0.11158   0.10649  -0.0256   0.0956   1.0000
  16.000   0.9079   0.11524   0.11014  -0.0272   0.0910   1.0000
  16.250   0.8676   0.12829   0.12346  -0.0346   0.0896   1.0000
  16.500   0.8029   0.14897   0.14421  -0.0464   0.0882   1.0000
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