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NREL's S819 Airfoil (s819-nr) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NREL's S819 Airfoil (s819-nr)
Reynolds number: 500,000
Max Cl/Cd: 72.52 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s819-nr-500000-n5.txt
Download as CSV file: xf-s819-nr-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.6428   0.16047   0.15770  -0.0253   1.0000   0.0080
 -18.750  -0.6601   0.15239   0.14953  -0.0294   1.0000   0.0079
 -18.500  -0.6781   0.14473   0.14175  -0.0332   1.0000   0.0078
 -18.250  -0.6935   0.13811   0.13503  -0.0365   1.0000   0.0078
 -18.000  -0.7091   0.13174   0.12856  -0.0395   1.0000   0.0078
 -17.750  -0.7247   0.12564   0.12233  -0.0423   1.0000   0.0077
 -17.500  -0.7394   0.11997   0.11656  -0.0448   1.0000   0.0077
 -17.250  -0.7538   0.11459   0.11105  -0.0471   1.0000   0.0077
 -17.000  -0.7661   0.10973   0.10610  -0.0490   1.0000   0.0077
 -16.750  -0.7774   0.10517   0.10143  -0.0507   1.0000   0.0077
 -16.500  -0.7888   0.10067   0.09681  -0.0523   1.0000   0.0077
 -16.250  -0.7986   0.09653   0.09256  -0.0536   1.0000   0.0077
 -16.000  -0.8072   0.09265   0.08858  -0.0547   1.0000   0.0078
 -15.750  -0.8146   0.08897   0.08480  -0.0556   1.0000   0.0078
 -15.500  -0.8208   0.08553   0.08126  -0.0563   1.0000   0.0078
 -15.250  -0.8256   0.08229   0.07792  -0.0569   1.0000   0.0078
 -15.000  -0.8290   0.07928   0.07480  -0.0572   1.0000   0.0078
 -14.750  -0.8313   0.07640   0.07182  -0.0574   1.0000   0.0079
 -14.500  -0.8327   0.07368   0.06902  -0.0574   1.0000   0.0080
 -14.250  -0.8321   0.07117   0.06641  -0.0572   1.0000   0.0080
 -14.000  -0.8303   0.06872   0.06388  -0.0570   1.0000   0.0081
 -13.750  -0.8264   0.06655   0.06163  -0.0566   1.0000   0.0082
 -13.500  -0.8208   0.06450   0.05950  -0.0560   1.0000   0.0082
 -13.250  -0.8136   0.06254   0.05746  -0.0553   1.0000   0.0084
 -13.000  -0.8047   0.06082   0.05566  -0.0546   1.0000   0.0085
 -12.750  -0.7925   0.05924   0.05402  -0.0536   1.0000   0.0087
 -12.500  -0.7793   0.05788   0.05259  -0.0526   1.0000   0.0088
 -12.250  -0.7654   0.05662   0.05126  -0.0515   1.0000   0.0091
 -12.000  -0.7565   0.05528   0.04983  -0.0505   1.0000   0.0094
 -11.750  -0.7757   0.05307   0.04743  -0.0501   1.0000   0.0097
 -11.500  -0.7676   0.05174   0.04601  -0.0490   1.0000   0.0098
 -11.250  -0.7675   0.05025   0.04442  -0.0479   1.0000   0.0098
 -11.000  -0.7512   0.04924   0.04336  -0.0466   1.0000   0.0099
 -10.750  -0.7337   0.04830   0.04238  -0.0452   1.0000   0.0099
 -10.500  -0.5940   0.05666   0.05120  -0.0368   1.0000   0.0067
 -10.250  -0.5725   0.05742   0.05200  -0.0342   1.0000   0.0065
 -10.000  -0.5521   0.05819   0.05282  -0.0316   1.0000   0.0061
  -9.750  -0.5350   0.05823   0.05288  -0.0299   0.9998   0.0060
  -9.500  -0.5023   0.05885   0.05353  -0.0298   0.9985   0.0056
  -9.250  -0.4747   0.05859   0.05327  -0.0306   0.9966   0.0053
  -9.000  -0.4522   0.05726   0.05192  -0.0323   0.9944   0.0051
  -8.750  -0.4371   0.05545   0.05012  -0.0338   0.9917   0.0052
  -8.500  -0.4203   0.05340   0.04805  -0.0359   0.9887   0.0050
  -8.250  -0.4081   0.05066   0.04530  -0.0385   0.9857   0.0051
  -8.000  -0.4000   0.04749   0.04209  -0.0412   0.9820   0.0051
  -7.750  -0.3985   0.04401   0.03856  -0.0434   0.9760   0.0051
  -7.500  -0.3943   0.04000   0.03447  -0.0471   0.9715   0.0051
  -7.250  -0.4006   0.03604   0.03043  -0.0489   0.9609   0.0051
  -7.000  -0.3987   0.03243   0.02673  -0.0514   0.9488   0.0051
  -6.500  -0.3918   0.02354   0.01751  -0.0603   0.8974   0.0053
  -6.250  -0.3828   0.02035   0.01402  -0.0636   0.8543   0.0055
  -6.000  -0.3877   0.01833   0.01172  -0.0626   0.8175   0.0054
  -5.750  -0.3803   0.01709   0.01026  -0.0620   0.7911   0.0057
  -5.500  -0.3664   0.01631   0.00930  -0.0613   0.7704   0.0060
  -5.250  -0.3490   0.01566   0.00849  -0.0607   0.7523   0.0062
  -5.000  -0.3293   0.01513   0.00783  -0.0602   0.7350   0.0066
  -4.750  -0.3076   0.01470   0.00725  -0.0599   0.7190   0.0071
  -4.500  -0.2849   0.01432   0.00673  -0.0596   0.7040   0.0074
  -4.250  -0.2610   0.01404   0.00635  -0.0595   0.6895   0.0087
  -4.000  -0.2361   0.01382   0.00603  -0.0594   0.6749   0.0099
  -3.750  -0.2111   0.01357   0.00565  -0.0594   0.6610   0.0109
  -3.500  -0.1854   0.01339   0.00537  -0.0593   0.6476   0.0124
  -3.250  -0.1594   0.01321   0.00512  -0.0593   0.6351   0.0185
  -3.000  -0.1443   0.01095   0.00360  -0.0599   0.6240   0.2899
  -2.750  -0.1166   0.01090   0.00358  -0.0601   0.6121   0.3053
  -2.500  -0.0889   0.01086   0.00356  -0.0604   0.6008   0.3144
  -2.250  -0.0611   0.01085   0.00348  -0.0606   0.5899   0.3163
  -2.000  -0.0331   0.01083   0.00340  -0.0608   0.5795   0.3174
  -1.750  -0.0051   0.01081   0.00334  -0.0610   0.5696   0.3184
  -1.500   0.0227   0.01082   0.00328  -0.0612   0.5590   0.3195
  -1.250   0.0508   0.01081   0.00323  -0.0614   0.5485   0.3204
  -1.000   0.0788   0.01078   0.00318  -0.0616   0.5392   0.3220
  -0.750   0.1067   0.01077   0.00314  -0.0618   0.5299   0.3235
  -0.500   0.1350   0.01075   0.00312  -0.0621   0.5211   0.3252
  -0.250   0.1628   0.01077   0.00310  -0.0622   0.5120   0.3269
   0.000   0.1910   0.01077   0.00310  -0.0625   0.5023   0.3287
   0.250   0.2190   0.01079   0.00310  -0.0627   0.4934   0.3306
   0.500   0.2471   0.01081   0.00310  -0.0629   0.4847   0.3324
   0.750   0.2752   0.01085   0.00312  -0.0631   0.4770   0.3342
   1.000   0.3033   0.01087   0.00313  -0.0633   0.4687   0.3361
   1.250   0.3313   0.01089   0.00317  -0.0635   0.4609   0.3385
   1.500   0.3592   0.01092   0.00320  -0.0637   0.4524   0.3410
   1.750   0.3872   0.01097   0.00325  -0.0639   0.4445   0.3436
   2.000   0.4151   0.01102   0.00331  -0.0640   0.4368   0.3463
   2.250   0.4429   0.01108   0.00337  -0.0642   0.4300   0.3488
   2.500   0.4710   0.01112   0.00343  -0.0644   0.4229   0.3517
   2.750   0.4985   0.01119   0.00352  -0.0645   0.4160   0.3550
   3.000   0.5265   0.01124   0.00360  -0.0646   0.4088   0.3586
   3.250   0.5538   0.01133   0.00370  -0.0647   0.4019   0.3621
   3.500   0.5817   0.01140   0.00380  -0.0648   0.3959   0.3651
   3.750   0.6093   0.01147   0.00391  -0.0649   0.3896   0.3686
   4.000   0.6365   0.01156   0.00404  -0.0650   0.3836   0.3723
   4.250   0.6640   0.01164   0.00416  -0.0650   0.3764   0.3761
   4.500   0.6906   0.01178   0.00429  -0.0650   0.3684   0.3794
   4.750   0.7177   0.01188   0.00443  -0.0650   0.3594   0.3831
   5.000   0.7441   0.01201   0.00459  -0.0649   0.3511   0.3872
   5.250   0.7707   0.01214   0.00474  -0.0648   0.3425   0.3914
   5.500   0.7970   0.01228   0.00491  -0.0646   0.3350   0.3952
   5.750   0.8233   0.01242   0.00509  -0.0645   0.3267   0.3994
   6.000   0.8492   0.01257   0.00528  -0.0643   0.3182   0.4039
   6.250   0.8744   0.01276   0.00549  -0.0640   0.3088   0.4084
   6.500   0.9003   0.01291   0.00569  -0.0638   0.3005   0.4126
   6.750   0.9249   0.01312   0.00593  -0.0634   0.2916   0.4175
   7.000   0.9502   0.01330   0.00616  -0.0631   0.2818   0.4230
   7.250   0.9744   0.01352   0.00642  -0.0627   0.2706   0.4281
   7.500   0.9978   0.01378   0.00669  -0.0621   0.2577   0.4338
   7.750   1.0204   0.01407   0.00699  -0.0614   0.2423   0.4394
   8.000   1.0403   0.01450   0.00736  -0.0603   0.2196   0.4445
   8.250   1.0574   0.01504   0.00781  -0.0588   0.1931   0.4498
   8.500   1.0712   0.01564   0.00832  -0.0567   0.1691   0.4550
   8.750   1.0848   0.01622   0.00885  -0.0546   0.1501   0.4599
   9.000   1.0978   0.01688   0.00946  -0.0525   0.1318   0.4654
   9.250   1.1112   0.01755   0.01009  -0.0505   0.1155   0.4710
   9.500   1.1241   0.01825   0.01075  -0.0485   0.1010   0.4763
   9.750   1.1373   0.01892   0.01144  -0.0467   0.0901   0.4823
  10.250   1.1631   0.02033   0.01288  -0.0431   0.0726   0.4952
  10.500   1.1750   0.02109   0.01368  -0.0413   0.0663   0.5021
  10.750   1.1863   0.02190   0.01453  -0.0395   0.0601   0.5092
  11.000   1.1973   0.02276   0.01545  -0.0378   0.0555   0.5169
  11.250   1.2073   0.02371   0.01646  -0.0362   0.0505   0.5247
  11.500   1.2160   0.02477   0.01758  -0.0346   0.0462   0.5335
  11.750   1.2245   0.02592   0.01880  -0.0331   0.0421   0.5424
  12.000   1.2309   0.02727   0.02021  -0.0316   0.0383   0.5518
  12.250   1.2383   0.02863   0.02166  -0.0305   0.0349   0.5604
  12.500   1.2422   0.03033   0.02341  -0.0293   0.0316   0.5697
  12.750   1.2485   0.03194   0.02513  -0.0284   0.0288   0.5781
  13.000   1.2517   0.03391   0.02716  -0.0277   0.0261   0.5866
  13.250   1.2554   0.03593   0.02929  -0.0271   0.0241   0.5959
  13.500   1.2583   0.03812   0.03157  -0.0268   0.0219   0.6051
  13.750   1.2592   0.04061   0.03415  -0.0265   0.0203   0.6150
  14.000   1.2616   0.04304   0.03669  -0.0265   0.0189   0.6248
  14.250   1.2596   0.04603   0.03975  -0.0267   0.0164   0.6344
  14.500   1.2596   0.04892   0.04276  -0.0270   0.0152   0.6449
  14.750   1.2606   0.05178   0.04577  -0.0274   0.0151   0.6565
  15.000   1.2596   0.05497   0.04907  -0.0281   0.0139   0.6679
  15.250   1.2566   0.05849   0.05271  -0.0289   0.0127   0.6804
  15.500   1.2544   0.06204   0.05638  -0.0298   0.0118   0.6937
  15.750   1.2525   0.06562   0.06010  -0.0309   0.0110   0.7090
  16.000   1.2490   0.06952   0.06413  -0.0321   0.0102   0.7239
  16.250   1.2447   0.07364   0.06839  -0.0336   0.0096   0.7409
  16.500   1.2423   0.07753   0.07243  -0.0350   0.0088   0.7610
  16.750   1.2383   0.08168   0.07675  -0.0365   0.0081   0.7869
  17.000   1.2337   0.08586   0.08113  -0.0379   0.0077   0.8256
  17.250   1.2233   0.08971   0.08527  -0.0383   0.0072   1.0000
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