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NREL's S809 Airfoil (s809-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NREL's S809 Airfoil (s809-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 100.59 at α=6.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s809-nr-1000000.txt
Download as CSV file: xf-s809-nr-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S809 Airfoil                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.500  -0.7676   0.04840   0.04261  -0.0644   0.6364   0.0051
 -13.250  -0.7384   0.04793   0.04204  -0.0631   0.6334   0.0048
 -13.000  -0.7122   0.04800   0.04188  -0.0611   0.6302   0.0053
 -12.750  -0.7018   0.04646   0.04030  -0.0617   0.6275   0.0049
 -12.500  -0.6760   0.04702   0.04077  -0.0596   0.6257   0.0053
 -12.250  -0.6585   0.04648   0.04017  -0.0589   0.6238   0.0052
 -12.000  -0.6431   0.04583   0.03950  -0.0583   0.6221   0.0054
 -11.750  -0.6291   0.04481   0.03846  -0.0582   0.6203   0.0056
 -11.500  -0.6152   0.04420   0.03779  -0.0571   0.6186   0.0054
 -11.250  -0.6007   0.04318   0.03676  -0.0571   0.6170   0.0058
 -11.000  -0.5887   0.04223   0.03577  -0.0564   0.6154   0.0060
 -10.750  -0.5748   0.04126   0.03476  -0.0561   0.6137   0.0061
 -10.500  -0.5658   0.04011   0.03355  -0.0552   0.6119   0.0061
 -10.250  -0.5549   0.03897   0.03239  -0.0547   0.6112   0.0063
 -10.000  -0.5426   0.03790   0.03131  -0.0543   0.6103   0.0064
  -9.750  -0.5386   0.03634   0.02971  -0.0532   0.6095   0.0064
  -9.500  -0.5294   0.03507   0.02842  -0.0525   0.6085   0.0066
  -9.250  -0.5185   0.03394   0.02726  -0.0520   0.6075   0.0067
  -9.000  -0.5108   0.03264   0.02593  -0.0511   0.6065   0.0067
  -8.750  -0.4959   0.03180   0.02507  -0.0508   0.6054   0.0070
  -8.500  -0.4964   0.03003   0.02325  -0.0493   0.6045   0.0069
  -8.250  -0.4934   0.02858   0.02177  -0.0480   0.6035   0.0074
  -8.000  -0.4932   0.02698   0.02013  -0.0464   0.6027   0.0077
  -7.750  -0.4851   0.02587   0.01899  -0.0454   0.6018   0.0077
  -7.500  -0.4794   0.02462   0.01772  -0.0441   0.6010   0.0080
  -7.250  -0.4743   0.02335   0.01641  -0.0427   0.6000   0.0085
  -7.000  -0.4688   0.02212   0.01514  -0.0414   0.5991   0.0088
  -6.750  -0.4633   0.02089   0.01387  -0.0399   0.5981   0.0093
  -6.500  -0.4617   0.01943   0.01237  -0.0381   0.5971   0.0104
  -6.250  -0.4631   0.01782   0.01073  -0.0360   0.5961   0.0139
  -6.000  -0.4761   0.01576   0.00869  -0.0330   0.5957   0.0269
  -5.750  -0.4775   0.01371   0.00679  -0.0322   0.5953   0.0806
  -5.500  -0.5003   0.00889   0.00331  -0.0295   0.5948   0.4056
  -5.250  -0.4735   0.00852   0.00316  -0.0300   0.5943   0.4647
  -5.000  -0.4436   0.00858   0.00320  -0.0307   0.5937   0.4776
  -4.750  -0.4134   0.00871   0.00330  -0.0314   0.5931   0.4858
  -4.500  -0.3832   0.00891   0.00349  -0.0321   0.5925   0.4939
  -4.250  -0.3522   0.00941   0.00395  -0.0327   0.5919   0.5019
  -4.000  -0.3226   0.00940   0.00392  -0.0334   0.5914   0.5048
  -3.750  -0.2930   0.00935   0.00384  -0.0340   0.5908   0.5059
  -3.500  -0.2633   0.00932   0.00379  -0.0347   0.5902   0.5067
  -3.250  -0.2336   0.00930   0.00375  -0.0354   0.5896   0.5076
  -3.000  -0.2038   0.00929   0.00372  -0.0361   0.5891   0.5085
  -2.750  -0.1740   0.00929   0.00370  -0.0367   0.5885   0.5094
  -2.500  -0.1442   0.00929   0.00368  -0.0374   0.5880   0.5103
  -2.250  -0.1144   0.00928   0.00365  -0.0381   0.5873   0.5112
  -2.000  -0.0846   0.00928   0.00362  -0.0388   0.5866   0.5121
  -1.750  -0.0548   0.00928   0.00360  -0.0395   0.5861   0.5130
  -1.500  -0.0249   0.00928   0.00359  -0.0402   0.5856   0.5139
  -1.250   0.0050   0.00929   0.00358  -0.0409   0.5851   0.5147
  -1.000   0.0349   0.00931   0.00358  -0.0416   0.5846   0.5155
  -0.750   0.0648   0.00934   0.00359  -0.0423   0.5841   0.5162
  -0.500   0.0948   0.00937   0.00361  -0.0430   0.5836   0.5169
  -0.250   0.1247   0.00942   0.00365  -0.0438   0.5830   0.5174
   0.000   0.1545   0.00940   0.00363  -0.0445   0.5825   0.5185
   0.250   0.1841   0.00939   0.00363  -0.0452   0.5820   0.5199
   0.500   0.2139   0.00943   0.00370  -0.0459   0.5814   0.5209
   0.750   0.2436   0.00952   0.00381  -0.0466   0.5807   0.5219
   1.000   0.2733   0.00958   0.00390  -0.0472   0.5801   0.5227
   1.250   0.3031   0.00959   0.00393  -0.0479   0.5797   0.5236
   1.500   0.3329   0.00960   0.00398  -0.0486   0.5792   0.5244
   1.750   0.3626   0.00960   0.00401  -0.0492   0.5785   0.5253
   2.000   0.3923   0.00960   0.00405  -0.0498   0.5776   0.5262
   2.250   0.4219   0.00961   0.00410  -0.0505   0.5767   0.5272
   2.500   0.4516   0.00963   0.00415  -0.0511   0.5756   0.5282
   2.750   0.4811   0.00961   0.00416  -0.0517   0.5738   0.5292
   3.000   0.5107   0.00956   0.00413  -0.0522   0.5713   0.5302
   3.250   0.5404   0.00951   0.00407  -0.0528   0.5686   0.5309
   3.500   0.5700   0.00960   0.00414  -0.0534   0.5651   0.5316
   3.750   0.5989   0.00951   0.00411  -0.0538   0.5625   0.5322
   4.000   0.6279   0.00940   0.00404  -0.0542   0.5591   0.5327
   4.250   0.6569   0.00921   0.00390  -0.0547   0.5552   0.5341
   4.500   0.6858   0.00909   0.00379  -0.0550   0.5507   0.5355
   4.750   0.7145   0.00903   0.00380  -0.0554   0.5471   0.5367
   5.000   0.7433   0.00895   0.00380  -0.0558   0.5433   0.5378
   5.250   0.7719   0.00882   0.00373  -0.0561   0.5375   0.5388
   5.500   0.8003   0.00875   0.00370  -0.0564   0.5305   0.5398
   5.750   0.8289   0.00867   0.00368  -0.0568   0.5216   0.5407
   6.000   0.8575   0.00863   0.00370  -0.0571   0.5100   0.5417
   6.250   0.8812   0.00876   0.00367  -0.0566   0.4576   0.5427
   6.500   0.8901   0.00993   0.00434  -0.0538   0.3599   0.5436
   6.750   0.9002   0.01099   0.00503  -0.0512   0.2829   0.5445
   7.000   0.9127   0.01180   0.00559  -0.0491   0.2282   0.5453
   7.250   0.9249   0.01255   0.00613  -0.0469   0.1841   0.5462
   7.500   0.9356   0.01329   0.00667  -0.0444   0.1470   0.5469
   7.750   0.9456   0.01395   0.00719  -0.0418   0.1181   0.5476
   8.000   0.9519   0.01448   0.00764  -0.0384   0.0980   0.5484
   8.250   0.9584   0.01508   0.00817  -0.0353   0.0814   0.5498
   8.500   0.9668   0.01572   0.00878  -0.0326   0.0681   0.5510
   8.750   0.9755   0.01641   0.00944  -0.0302   0.0576   0.5521
   9.000   0.9844   0.01714   0.01016  -0.0280   0.0491   0.5532
   9.250   0.9931   0.01795   0.01097  -0.0259   0.0420   0.5542
   9.500   1.0004   0.01891   0.01193  -0.0239   0.0358   0.5552
   9.750   1.0076   0.01999   0.01302  -0.0222   0.0311   0.5562
  10.000   1.0172   0.02105   0.01412  -0.0210   0.0279   0.5572
  10.250   1.0250   0.02231   0.01537  -0.0197   0.0247   0.5583
  10.500   1.0346   0.02352   0.01663  -0.0188   0.0227   0.5593
  10.750   1.0456   0.02469   0.01782  -0.0180   0.0208   0.5604
  11.000   1.0522   0.02618   0.01933  -0.0169   0.0189   0.5614
  11.250   1.0623   0.02746   0.02066  -0.0162   0.0178   0.5623
  11.500   1.0758   0.02849   0.02171  -0.0158   0.0162   0.5631
  11.750   1.0838   0.02992   0.02318  -0.0150   0.0153   0.5645
  12.000   1.0907   0.03146   0.02477  -0.0141   0.0141   0.5662
  12.250   1.1032   0.03259   0.02596  -0.0137   0.0135   0.5676
  12.500   1.1128   0.03395   0.02739  -0.0131   0.0131   0.5690
  12.750   1.1248   0.03513   0.02858  -0.0128   0.0120   0.5704
  13.000   1.1319   0.03674   0.03024  -0.0122   0.0116   0.5716
  13.250   1.1372   0.03852   0.03207  -0.0115   0.0108   0.5730
  13.500   1.1481   0.03987   0.03349  -0.0112   0.0105   0.5743
  13.750   1.1577   0.04136   0.03505  -0.0109   0.0102   0.5757
  14.000   1.1677   0.04286   0.03659  -0.0107   0.0097   0.5769
  14.250   1.1773   0.04442   0.03819  -0.0105   0.0094   0.5781
  14.500   1.1865   0.04604   0.03985  -0.0103   0.0089   0.5795
  14.750   1.1922   0.04803   0.04191  -0.0101   0.0087   0.5814
  15.000   1.1930   0.05056   0.04453  -0.0099   0.0082   0.5831
  15.250   1.2026   0.05228   0.04632  -0.0099   0.0080   0.5850
  15.500   1.2116   0.05408   0.04820  -0.0100   0.0078   0.5869
  15.750   1.2191   0.05607   0.05027  -0.0101   0.0076   0.5889
  16.000   1.2266   0.05812   0.05239  -0.0103   0.0073   0.5908
  16.250   1.2336   0.06024   0.05457  -0.0106   0.0071   0.5928
  16.500   1.2407   0.06239   0.05677  -0.0109   0.0067   0.5947
  16.750   1.2456   0.06484   0.05930  -0.0113   0.0065   0.5973
  17.000   1.2471   0.06777   0.06232  -0.0119   0.0062   0.5998
  17.250   1.2450   0.07123   0.06588  -0.0126   0.0059   0.6019
  17.500   1.2500   0.07387   0.06861  -0.0133   0.0058   0.6046
  17.750   1.2559   0.07644   0.07126  -0.0140   0.0056   0.6072
  18.000   1.2592   0.07941   0.07432  -0.0149   0.0055   0.6096
  18.250   1.2604   0.08272   0.07774  -0.0160   0.0053   0.6127
  18.500   1.2616   0.08614   0.08127  -0.0172   0.0051   0.6161
  18.750   1.2640   0.08942   0.08464  -0.0185   0.0050   0.6195
  19.000   1.2625   0.09335   0.08867  -0.0201   0.0048   0.6228
  19.250   1.2639   0.09689   0.09228  -0.0216   0.0046   0.6264
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