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NREL's S827 Airfoil (s827-nr) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NREL's S827 Airfoil (s827-nr)
Reynolds number: 1,000,000
Max Cl/Cd: 121.42 at α=6°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s827-nr-1000000.txt
Download as CSV file: xf-s827-nr-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
  -9.250  -0.2575   0.02569   0.01977  -0.1228   0.7730   0.0041
  -9.000  -0.2352   0.02547   0.01950  -0.1220   0.7716   0.0040
  -8.750  -0.2165   0.02522   0.01921  -0.1207   0.7701   0.0040
  -8.500  -0.2016   0.02477   0.01871  -0.1194   0.7686   0.0040
  -8.250  -0.1863   0.02426   0.01817  -0.1184   0.7672   0.0040
  -8.000  -0.1731   0.02368   0.01755  -0.1172   0.7657   0.0040
  -7.750  -0.1697   0.02273   0.01655  -0.1147   0.7642   0.0041
  -7.500  -0.1534   0.02224   0.01603  -0.1141   0.7628   0.0040
  -7.250  -0.1564   0.02097   0.01470  -0.1110   0.7613   0.0044
  -7.000  -0.1511   0.01999   0.01370  -0.1090   0.7602   0.0049
  -6.750  -0.1432   0.01910   0.01280  -0.1073   0.7591   0.0050
  -6.500  -0.1361   0.01817   0.01183  -0.1055   0.7579   0.0061
  -6.250  -0.1287   0.01726   0.01089  -0.1037   0.7567   0.0064
  -6.000  -0.1279   0.01605   0.00966  -0.1011   0.7553   0.0101
  -5.750  -0.1284   0.01480   0.00845  -0.0983   0.7541   0.0204
  -5.500  -0.1241   0.01380   0.00746  -0.0960   0.7529   0.0302
  -5.250  -0.1190   0.01291   0.00659  -0.0937   0.7517   0.0411
  -5.000  -0.1205   0.01209   0.00578  -0.0900   0.7505   0.0567
  -4.750  -0.1193   0.01164   0.00534  -0.0863   0.7491   0.0745
  -4.500  -0.1102   0.01116   0.00495  -0.0839   0.7476   0.1144
  -4.250  -0.1199   0.00963   0.00401  -0.0788   0.7467   0.2905
  -4.000  -0.1202   0.00795   0.00309  -0.0753   0.7458   0.5073
  -3.750  -0.0918   0.00802   0.00316  -0.0759   0.7452   0.5297
  -3.500  -0.0631   0.00808   0.00321  -0.0766   0.7446   0.5368
  -3.250  -0.0342   0.00817   0.00325  -0.0773   0.7439   0.5434
  -3.000  -0.0054   0.00825   0.00334  -0.0780   0.7432   0.5487
  -2.750   0.0236   0.00832   0.00338  -0.0787   0.7426   0.5520
  -2.500   0.0528   0.00850   0.00350  -0.0795   0.7419   0.5558
  -2.250   0.0814   0.00845   0.00348  -0.0802   0.7413   0.5601
  -2.000   0.1104   0.00845   0.00346  -0.0810   0.7407   0.5608
  -1.750   0.1395   0.00844   0.00343  -0.0818   0.7401   0.5614
  -1.500   0.1686   0.00844   0.00341  -0.0826   0.7395   0.5620
  -1.250   0.1978   0.00843   0.00340  -0.0834   0.7389   0.5627
  -1.000   0.2270   0.00843   0.00338  -0.0842   0.7382   0.5633
  -0.750   0.2563   0.00844   0.00337  -0.0851   0.7375   0.5640
  -0.500   0.2856   0.00845   0.00338  -0.0859   0.7369   0.5648
  -0.250   0.3149   0.00847   0.00339  -0.0868   0.7364   0.5655
   0.000   0.3442   0.00850   0.00342  -0.0877   0.7358   0.5662
   0.250   0.3736   0.00855   0.00346  -0.0886   0.7352   0.5670
   0.500   0.4029   0.00861   0.00352  -0.0895   0.7346   0.5677
   0.750   0.4321   0.00871   0.00363  -0.0903   0.7339   0.5684
   1.000   0.4607   0.00877   0.00371  -0.0911   0.7334   0.5690
   1.250   0.4891   0.00881   0.00377  -0.0917   0.7330   0.5696
   1.500   0.5173   0.00884   0.00382  -0.0924   0.7325   0.5703
   1.750   0.5451   0.00883   0.00386  -0.0929   0.7318   0.5716
   2.000   0.5730   0.00885   0.00394  -0.0935   0.7312   0.5727
   2.250   0.6009   0.00889   0.00403  -0.0941   0.7306   0.5738
   2.500   0.6287   0.00894   0.00413  -0.0947   0.7299   0.5748
   2.750   0.6564   0.00898   0.00422  -0.0952   0.7289   0.5760
   3.000   0.6843   0.00901   0.00429  -0.0958   0.7277   0.5770
   3.250   0.7125   0.00904   0.00438  -0.0964   0.7266   0.5782
   3.500   0.7413   0.00903   0.00440  -0.0971   0.7250   0.5793
   3.750   0.7758   0.00887   0.00418  -0.0988   0.7196   0.5804
   4.000   0.7964   0.00849   0.00386  -0.0975   0.7119   0.5814
   4.250   0.8244   0.00830   0.00364  -0.0978   0.7046   0.5824
   4.500   0.8460   0.00820   0.00361  -0.0968   0.6994   0.5833
   4.750   0.8715   0.00814   0.00357  -0.0968   0.6952   0.5841
   5.000   0.8959   0.00807   0.00355  -0.0965   0.6899   0.5856
   5.250   0.9148   0.00799   0.00356  -0.0950   0.6834   0.5871
   5.500   0.9337   0.00794   0.00354  -0.0935   0.6753   0.5885
   5.750   0.9481   0.00790   0.00356  -0.0910   0.6653   0.5898
   6.000   0.9592   0.00790   0.00362  -0.0879   0.6543   0.5912
   6.250   0.9639   0.00804   0.00374  -0.0835   0.6326   0.5925
   6.500   0.9422   0.00878   0.00424  -0.0739   0.5785   0.5937
   6.750   0.9118   0.01010   0.00528  -0.0635   0.5236   0.5949
   7.000   0.8924   0.01146   0.00643  -0.0556   0.4770   0.5962
   7.250   0.8718   0.01310   0.00782  -0.0481   0.4254   0.5974
   7.500   0.8492   0.01504   0.00945  -0.0408   0.3638   0.5983
   7.750   0.8458   0.01632   0.01058  -0.0367   0.3233   0.6001
   8.000   0.8395   0.01781   0.01185  -0.0324   0.2725   0.6018
   8.250   0.8344   0.01932   0.01309  -0.0283   0.2176   0.6034
   8.500   0.8368   0.02055   0.01412  -0.0255   0.1757   0.6050
   8.750   0.8408   0.02174   0.01511  -0.0229   0.1358   0.6067
   9.000   0.8485   0.02278   0.01601  -0.0210   0.1045   0.6085
   9.250   0.8592   0.02371   0.01683  -0.0194   0.0817   0.6102
   9.500   0.8700   0.02466   0.01768  -0.0179   0.0616   0.6119
   9.750   0.8819   0.02556   0.01849  -0.0166   0.0455   0.6137
  10.000   0.8946   0.02642   0.01931  -0.0154   0.0323   0.6162
  10.250   0.9089   0.02722   0.02011  -0.0145   0.0259   0.6185
  10.500   0.9231   0.02804   0.02091  -0.0135   0.0204   0.6209
  10.750   0.9390   0.02877   0.02169  -0.0128   0.0178   0.6234
  11.000   0.9535   0.02961   0.02250  -0.0120   0.0141   0.6258
  11.250   0.9689   0.03041   0.02333  -0.0113   0.0118   0.6283
  11.500   0.9826   0.03130   0.02425  -0.0104   0.0094   0.6313
  11.750   0.9978   0.03212   0.02514  -0.0097   0.0080   0.6346
  12.000   1.0101   0.03317   0.02620  -0.0087   0.0058   0.6378
  12.250   1.0246   0.03408   0.02715  -0.0081   0.0048   0.6407
  12.500   1.0367   0.03517   0.02829  -0.0071   0.0041   0.6440
  12.750   1.0492   0.03625   0.02945  -0.0063   0.0031   0.6475
  13.000   1.0632   0.03725   0.03052  -0.0057   0.0032   0.6512
  13.250   1.0749   0.03844   0.03177  -0.0048   0.0028   0.6547
  13.500   1.0832   0.03992   0.03334  -0.0037   0.0024   0.6582
  13.750   1.0927   0.04131   0.03483  -0.0028   0.0021   0.6622
  14.000   1.1041   0.04259   0.03619  -0.0021   0.0021   0.6663
  14.250   1.1142   0.04401   0.03770  -0.0014   0.0019   0.6702
  14.500   1.1266   0.04522   0.03901  -0.0009   0.0017   0.6748
  14.750   1.1326   0.04707   0.04098   0.0001   0.0018   0.6792
  15.000   1.1425   0.04856   0.04255   0.0006   0.0017   0.6838
  15.250   1.1520   0.05011   0.04418   0.0011   0.0016   0.6885
  15.500   1.1603   0.05180   0.04597   0.0016   0.0015   0.6937
  15.750   1.1674   0.05366   0.04791   0.0021   0.0013   0.6988
  16.000   1.1508   0.05805   0.05254   0.0039   0.0011   0.7022
  16.250   1.1548   0.06036   0.05498   0.0043   0.0011   0.7077
  16.500   1.1575   0.06290   0.05766   0.0046   0.0010   0.7131
  16.750   1.1619   0.06530   0.06018   0.0047   0.0010   0.7187
  17.000   1.1573   0.06883   0.06389   0.0050   0.0010   0.7243
  17.250   1.1595   0.07167   0.06685   0.0048   0.0010   0.7299
  17.500   1.1539   0.07551   0.07086   0.0047   0.0010   0.7354
  17.750   1.1488   0.07945   0.07495   0.0042   0.0010   0.7411
  18.000   1.1471   0.08307   0.07871   0.0035   0.0010   0.7470
  18.250   1.1404   0.08754   0.08337   0.0025   0.0010   0.7530
  18.500   1.1309   0.09255   0.08855   0.0012   0.0009   0.7584
  18.750   1.1224   0.09751   0.09367  -0.0004   0.0010   0.7645
  19.000   1.1117   0.10308   0.09941  -0.0025   0.0009   0.7704
  19.250   1.0982   0.10927   0.10579  -0.0050   0.0009   0.7758
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