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NREL's S827 Airfoil (s827-nr) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NREL's S827 Airfoil (s827-nr)
Reynolds number: 200,000
Max Cl/Cd: 34.99 at α=8.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s827-nr-200000-n5.txt
Download as CSV file: xf-s827-nr-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S827 Airfoil                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.750  -0.2389   0.09366   0.08936  -0.1346   0.8633   0.0083
 -13.500  -0.2540   0.08774   0.08335  -0.1370   0.8602   0.0081
 -13.250  -0.2745   0.08188   0.07741  -0.1387   0.8563   0.0080
 -13.000  -0.2924   0.07713   0.07255  -0.1395   0.8526   0.0078
 -12.750  -0.3114   0.07261   0.06790  -0.1396   0.8493   0.0077
 -12.250  -0.3458   0.06470   0.05969  -0.1384   0.8428   0.0074
 -12.000  -0.3633   0.06075   0.05556  -0.1369   0.8392   0.0073
 -11.750  -0.3777   0.05690   0.05149  -0.1350   0.8360   0.0071
 -11.500  -0.3955   0.04996   0.04406  -0.1317   0.8335   0.0066
 -11.250  -0.4000   0.04666   0.04047  -0.1297   0.8306   0.0066
 -11.000  -0.3920   0.04254   0.03586  -0.1279   0.8280   0.0063
 -10.750  -0.3796   0.03985   0.03285  -0.1268   0.8255   0.0064
 -10.500  -0.3568   0.03766   0.03030  -0.1264   0.8235   0.0065
 -10.250  -0.3270   0.03607   0.02842  -0.1265   0.8219   0.0065
 -10.000  -0.2950   0.03500   0.02711  -0.1266   0.8204   0.0067
  -9.750  -0.2664   0.03431   0.02626  -0.1266   0.8190   0.0072
  -9.500  -0.2330   0.03392   0.02570  -0.1266   0.8178   0.0073
  -9.250  -0.2061   0.03368   0.02536  -0.1260   0.8159   0.0080
  -9.000  -0.1832   0.03345   0.02502  -0.1253   0.8140   0.0088
  -8.750  -0.1644   0.03307   0.02465  -0.1248   0.8121   0.0108
  -8.500  -0.1454   0.03274   0.02427  -0.1240   0.8103   0.0123
  -8.250  -0.1287   0.03233   0.02381  -0.1228   0.8086   0.0130
  -8.000  -0.1157   0.03176   0.02320  -0.1214   0.8069   0.0140
  -7.750  -0.1040   0.03110   0.02253  -0.1201   0.8054   0.0162
  -7.500  -0.0906   0.03052   0.02187  -0.1190   0.8041   0.0183
  -7.250  -0.0824   0.02982   0.02122  -0.1172   0.8022   0.0243
  -7.000  -0.0765   0.02902   0.02046  -0.1153   0.8001   0.0317
  -6.750  -0.0725   0.02815   0.01965  -0.1132   0.7979   0.0455
  -6.500  -0.0706   0.02721   0.01879  -0.1108   0.7958   0.0629
  -6.250  -0.0718   0.02609   0.01777  -0.1082   0.7940   0.0868
  -6.000  -0.0784   0.02467   0.01644  -0.1051   0.7922   0.1165
  -5.750  -0.0901   0.02296   0.01480  -0.1015   0.7905   0.1491
  -5.500  -0.1097   0.02118   0.01312  -0.0967   0.7883   0.1862
  -5.250  -0.1373   0.01962   0.01166  -0.0901   0.7852   0.2212
  -5.000  -0.1691   0.01872   0.01080  -0.0817   0.7822   0.2526
  -4.750  -0.2007   0.01732   0.00967  -0.0731   0.7795   0.3443
  -4.500  -0.2017   0.01702   0.00991  -0.0688   0.7778   0.5162
  -4.250  -0.1804   0.01723   0.00995  -0.0681   0.7768   0.5409
  -4.000  -0.1552   0.01770   0.01032  -0.0678   0.7761   0.5563
  -3.750  -0.1319   0.01844   0.01109  -0.0669   0.7747   0.5652
  -3.500  -0.1195   0.01897   0.01159  -0.0643   0.7725   0.5723
  -3.250  -0.0994   0.01986   0.01252  -0.0628   0.7707   0.5805
  -3.000  -0.0860   0.01994   0.01245  -0.0609   0.7688   0.5848
  -2.750  -0.0661   0.01997   0.01241  -0.0601   0.7673   0.5853
  -2.500  -0.0437   0.01994   0.01229  -0.0597   0.7660   0.5857
  -2.250  -0.0193   0.01988   0.01216  -0.0598   0.7649   0.5862
  -2.000   0.0060   0.01983   0.01202  -0.0599   0.7640   0.5867
  -1.750   0.0314   0.01981   0.01193  -0.0602   0.7632   0.5873
  -1.500   0.0577   0.01979   0.01186  -0.0605   0.7625   0.5879
  -1.250   0.0628   0.02024   0.01231  -0.0571   0.7600   0.5887
  -0.250   0.0342   0.02373   0.01577  -0.0356   0.7408   0.5924
   0.000   0.0552   0.02395   0.01595  -0.0352   0.7387   0.5934
   0.250   0.0799   0.02407   0.01603  -0.0354   0.7374   0.5946
   0.500   0.1069   0.02411   0.01602  -0.0359   0.7364   0.5958
   0.750   0.1353   0.02409   0.01595  -0.0367   0.7356   0.5971
   1.000   0.1642   0.02406   0.01588  -0.0375   0.7349   0.5983
   1.250   0.1930   0.02407   0.01589  -0.0383   0.7343   0.5991
   1.500   0.2209   0.02411   0.01595  -0.0389   0.7335   0.5999
   2.000   0.2235   0.02619   0.01810  -0.0321   0.7217   0.6017
   2.250   0.2526   0.02621   0.01814  -0.0329   0.7209   0.6027
   2.500   0.2824   0.02618   0.01815  -0.0338   0.7202   0.6038
   2.750   0.3129   0.02614   0.01813  -0.0348   0.7196   0.6049
   3.250   0.3249   0.02783   0.01988  -0.0296   0.7077   0.6074
   3.500   0.3555   0.02776   0.01986  -0.0306   0.7068   0.6087
   3.750   0.3865   0.02768   0.01982  -0.0317   0.7060   0.6102
   4.250   0.4075   0.02900   0.02121  -0.0279   0.6943   0.6130
   4.500   0.4380   0.02888   0.02119  -0.0288   0.6931   0.6143
   4.750   0.4698   0.02871   0.02112  -0.0299   0.6922   0.6157
   5.250   0.4965   0.02971   0.02229  -0.0268   0.6801   0.6186
   5.500   0.5293   0.02941   0.02209  -0.0279   0.6788   0.6202
   5.750   0.5606   0.02912   0.02190  -0.0288   0.6769   0.6219
   6.250   0.6017   0.02913   0.02210  -0.0275   0.6647   0.6255
   8.250   0.8196   0.02357   0.01708  -0.0256   0.5113   0.6418
   8.500   0.8307   0.02374   0.01663  -0.0228   0.4151   0.6437
   8.750   0.8195   0.02554   0.01806  -0.0182   0.3507   0.6455
   9.000   0.8123   0.02733   0.01956  -0.0144   0.2946   0.6475
   9.250   0.8079   0.02910   0.02106  -0.0112   0.2401   0.6495
   9.500   0.8086   0.03069   0.02240  -0.0088   0.1935   0.6518
   9.750   0.8122   0.03218   0.02367  -0.0068   0.1518   0.6543
  10.000   0.8193   0.03350   0.02485  -0.0052   0.1191   0.6566
  10.250   0.8273   0.03478   0.02604  -0.0038   0.0920   0.6587
  10.500   0.8367   0.03602   0.02724  -0.0025   0.0718   0.6610
  10.750   0.8472   0.03722   0.02841  -0.0015   0.0574   0.6638
  11.000   0.8579   0.03845   0.02962  -0.0005   0.0457   0.6667
  11.250   0.8696   0.03965   0.03085   0.0004   0.0376   0.6697
  11.500   0.8810   0.04086   0.03216   0.0013   0.0318   0.6725
  11.750   0.8909   0.04222   0.03356   0.0023   0.0272   0.6753
  12.000   0.9019   0.04352   0.03498   0.0032   0.0235   0.6787
  12.250   0.9127   0.04489   0.03641   0.0039   0.0200   0.6825
  12.500   0.9208   0.04651   0.03812   0.0049   0.0177   0.6859
  12.750   0.9313   0.04793   0.03972   0.0057   0.0154   0.6892
  13.000   0.9405   0.04948   0.04134   0.0064   0.0137   0.6929
  13.250   0.9473   0.05134   0.04333   0.0073   0.0122   0.6968
  13.500   0.9584   0.05281   0.04492   0.0078   0.0103   0.7007
  13.750   0.9660   0.05462   0.04687   0.0084   0.0097   0.7043
  14.000   0.9722   0.05663   0.04897   0.0090   0.0087   0.7083
  14.250   0.9799   0.05856   0.05108   0.0096   0.0076   0.7128
  14.500   0.9864   0.06062   0.05331   0.0101   0.0072   0.7167
  14.750   0.9920   0.06281   0.05566   0.0106   0.0068   0.7210
  15.000   0.9968   0.06515   0.05814   0.0109   0.0064   0.7258
  15.250   0.9992   0.06780   0.06095   0.0112   0.0061   0.7302
  15.500   1.0010   0.07058   0.06390   0.0115   0.0059   0.7346
  15.750   1.0024   0.07359   0.06712   0.0117   0.0057   0.7395
  16.000   1.0033   0.07675   0.07054   0.0118   0.0055   0.7444
  16.250   1.0029   0.08010   0.07413   0.0117   0.0054   0.7493
  16.500   0.9996   0.08398   0.07827   0.0114   0.0051   0.7545
  16.750   0.9952   0.08805   0.08259   0.0109   0.0051   0.7596
  17.000   0.9873   0.09276   0.08757   0.0099   0.0049   0.7646
  17.250   0.9793   0.09764   0.09268   0.0086   0.0049   0.7702
  17.500   0.9679   0.10322   0.09852   0.0069   0.0048   0.7750
  17.750   0.9557   0.10910   0.10466   0.0046   0.0048   0.7804
  18.000   0.9425   0.11544   0.11123   0.0017   0.0048   0.7859
  18.250   0.9272   0.12248   0.11851  -0.0018   0.0047   0.7910
  18.500   0.9135   0.12955   0.12578  -0.0057   0.0046   0.7969
  18.750   0.8895   0.13938   0.13587  -0.0112   0.0049   0.8006
  19.000   0.8687   0.14923   0.14593  -0.0171   0.0049   0.8047
  19.250   0.8409   0.16187   0.15875  -0.0245   0.0052   0.8066
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