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NREL's S815 Airfoil (s815-nr) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NREL's S815 Airfoil (s815-nr)
Reynolds number: 500,000
Max Cl/Cd: 75.89 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-s815-nr-500000-n5.txt
Download as CSV file: xf-s815-nr-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S815 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
  ------ -------- --------- --------- -------- -------- --------
 -15.500  -0.6116   0.12842   0.12469  -0.0329   0.9995   0.2127
 -14.500  -0.5907   0.11709   0.11325  -0.0383   0.9978   0.2239
 -14.250  -0.5598   0.11707   0.11322  -0.0400   0.9967   0.2233
 -14.000  -0.5180   0.11689   0.11302  -0.0438   0.9946   0.2222
 -12.500  -0.4325   0.09732   0.09322  -0.0642   0.9833   0.2373
 -12.250  -0.4047   0.09599   0.09187  -0.0671   0.9819   0.2376
 -12.000  -0.3773   0.09471   0.09058  -0.0698   0.9807   0.2380
 -11.750  -0.3513   0.09346   0.08932  -0.0723   0.9798   0.2383
 -11.500  -0.3222   0.09231   0.08815  -0.0752   0.9789   0.2387
 -11.250  -0.3051   0.09137   0.08722  -0.0754   0.9768   0.2392
 -11.000  -0.2882   0.09059   0.08644  -0.0754   0.9740   0.2397
 -10.750  -0.2676   0.08947   0.08532  -0.0766   0.9717   0.2403
 -10.250  -0.2942   0.07766   0.07340  -0.0825   0.9675   0.2510
  -9.750  -0.7336   0.02938   0.02426  -0.0902   0.9410   0.2780
  -9.500  -0.7316   0.02679   0.02155  -0.0922   0.9350   0.2784
  -9.250  -0.7449   0.02551   0.02025  -0.0881   0.9207   0.2791
  -9.000  -0.7526   0.02433   0.01903  -0.0849   0.9056   0.2797
  -8.750  -0.7490   0.02320   0.01787  -0.0833   0.8921   0.2803
  -8.500  -0.7269   0.02208   0.01669  -0.0848   0.8821   0.2809
  -8.250  -0.6886   0.02106   0.01562  -0.0887   0.8723   0.2814
  -8.000  -0.6337   0.02017   0.01467  -0.0953   0.8621   0.2819
  -7.750  -0.5544   0.01952   0.01392  -0.1059   0.8481   0.2825
  -7.500  -0.4963   0.01890   0.01314  -0.1132   0.8194   0.2830
  -7.250  -0.4737   0.01828   0.01232  -0.1144   0.7866   0.2836
  -7.000  -0.4601   0.01767   0.01156  -0.1141   0.7588   0.2842
  -6.750  -0.4455   0.01711   0.01085  -0.1138   0.7351   0.2848
  -6.500  -0.4279   0.01662   0.01024  -0.1139   0.7143   0.2854
  -6.000  -0.3874   0.01595   0.00935  -0.1137   0.6784   0.2864
  -5.750  -0.3653   0.01569   0.00900  -0.1136   0.6628   0.2869
  -5.500  -0.3425   0.01546   0.00868  -0.1135   0.6485   0.2874
  -5.250  -0.3193   0.01526   0.00838  -0.1134   0.6349   0.2879
  -5.000  -0.2945   0.01505   0.00811  -0.1136   0.6220   0.2884
  -4.750  -0.2697   0.01487   0.00785  -0.1136   0.6099   0.2889
  -4.500  -0.2447   0.01472   0.00761  -0.1137   0.5975   0.2894
  -4.250  -0.2184   0.01455   0.00738  -0.1140   0.5865   0.2899
  -4.000  -0.1927   0.01442   0.00718  -0.1141   0.5760   0.2904
  -3.750  -0.1652   0.01427   0.00698  -0.1145   0.5668   0.2909
  -3.500  -0.1386   0.01415   0.00679  -0.1147   0.5579   0.2913
  -3.250  -0.1107   0.01402   0.00662  -0.1151   0.5503   0.2918
  -3.000  -0.0830   0.01392   0.00646  -0.1154   0.5423   0.2922
  -2.750  -0.0554   0.01383   0.00632  -0.1157   0.5353   0.2926
  -2.500  -0.0268   0.01372   0.00618  -0.1162   0.5286   0.2930
  -2.250   0.0013   0.01365   0.00606  -0.1166   0.5219   0.2933
  -2.000   0.0292   0.01355   0.00593  -0.1169   0.5161   0.2939
  -1.750   0.0582   0.01342   0.00580  -0.1174   0.5107   0.2948
  -1.500   0.0868   0.01333   0.00570  -0.1178   0.5051   0.2956
  -1.250   0.1150   0.01326   0.00562  -0.1181   0.4997   0.2964
  -1.000   0.1440   0.01319   0.00554  -0.1186   0.4949   0.2972
  -0.750   0.1731   0.01312   0.00548  -0.1190   0.4900   0.2979
  -0.500   0.2019   0.01308   0.00543  -0.1194   0.4853   0.2987
  -0.250   0.2305   0.01305   0.00539  -0.1197   0.4812   0.2995
   0.000   0.2593   0.01303   0.00536  -0.1201   0.4776   0.3003
   0.250   0.2890   0.01299   0.00533  -0.1206   0.4744   0.3012
   0.500   0.3183   0.01296   0.00531  -0.1210   0.4710   0.3021
   0.750   0.3474   0.01294   0.00530  -0.1213   0.4676   0.3029
   1.000   0.3763   0.01294   0.00529  -0.1216   0.4643   0.3038
   1.250   0.4050   0.01296   0.00530  -0.1219   0.4613   0.3048
   1.500   0.4340   0.01298   0.00532  -0.1222   0.4586   0.3058
   1.750   0.4636   0.01298   0.00533  -0.1226   0.4562   0.3068
   2.000   0.4929   0.01299   0.00535  -0.1229   0.4535   0.3077
   2.250   0.5219   0.01300   0.00538  -0.1231   0.4506   0.3084
   2.500   0.5508   0.01302   0.00542  -0.1234   0.4479   0.3093
   2.750   0.5802   0.01303   0.00546  -0.1238   0.4456   0.3107
   3.000   0.6092   0.01307   0.00551  -0.1241   0.4433   0.3120
   3.500   0.6679   0.01318   0.00568  -0.1247   0.4392   0.3146
   3.750   0.6974   0.01321   0.00577  -0.1250   0.4375   0.3160
   4.000   0.7266   0.01325   0.00586  -0.1253   0.4355   0.3175
   4.250   0.7555   0.01330   0.00595  -0.1255   0.4331   0.3189
   4.500   0.7841   0.01337   0.00605  -0.1256   0.4307   0.3204
   4.750   0.8119   0.01345   0.00615  -0.1255   0.4278   0.3219
   5.000   0.8388   0.01355   0.00626  -0.1253   0.4243   0.3232
   5.250   0.8660   0.01369   0.00639  -0.1252   0.4208   0.3244
   5.500   0.8940   0.01372   0.00650  -0.1252   0.4176   0.3261
   5.750   0.9213   0.01378   0.00663  -0.1251   0.4132   0.3281
   6.000   0.9473   0.01389   0.00677  -0.1247   0.4083   0.3300
   6.250   0.9721   0.01406   0.00694  -0.1241   0.4032   0.3320
   6.500   0.9989   0.01414   0.00710  -0.1239   0.3985   0.3342
   6.750   1.0244   0.01426   0.00726  -0.1234   0.3924   0.3363
   7.000   1.0482   0.01444   0.00744  -0.1227   0.3861   0.3384
   7.250   1.0737   0.01458   0.00762  -0.1222   0.3806   0.3404
   7.500   1.0988   0.01472   0.00781  -0.1217   0.3734   0.3428
   7.750   1.1211   0.01494   0.00805  -0.1207   0.3657   0.3454
   8.000   1.1459   0.01510   0.00827  -0.1202   0.3559   0.3481
   8.250   1.1668   0.01538   0.00854  -0.1190   0.3421   0.3506
   8.500   1.1845   0.01578   0.00888  -0.1173   0.3205   0.3529
   8.750   1.1953   0.01647   0.00942  -0.1147   0.2896   0.3549
   9.000   1.2033   0.01738   0.01016  -0.1119   0.2591   0.3567
   9.250   1.2110   0.01834   0.01098  -0.1090   0.2323   0.3584
   9.500   1.2190   0.01934   0.01188  -0.1064   0.2080   0.3606
   9.750   1.2253   0.02042   0.01287  -0.1037   0.1848   0.3628
  10.000   1.2310   0.02157   0.01394  -0.1010   0.1648   0.3651
  10.250   1.2368   0.02276   0.01507  -0.0985   0.1474   0.3674
  10.500   1.2423   0.02401   0.01627  -0.0961   0.1322   0.3695
  10.750   1.2476   0.02534   0.01756  -0.0939   0.1196   0.3717
  11.000   1.2531   0.02673   0.01893  -0.0919   0.1087   0.3736
  11.250   1.2589   0.02818   0.02037  -0.0901   0.0994   0.3753
  11.500   1.2641   0.02977   0.02198  -0.0885   0.0916   0.3777
  11.750   1.2679   0.03156   0.02378  -0.0869   0.0841   0.3800
  12.000   1.2729   0.03337   0.02563  -0.0857   0.0778   0.3824
  12.250   1.2771   0.03534   0.02763  -0.0846   0.0723   0.3849
  12.500   1.2803   0.03749   0.02981  -0.0837   0.0674   0.3875
  12.750   1.2847   0.03964   0.03200  -0.0829   0.0632   0.3901
  13.000   1.2868   0.04209   0.03448  -0.0823   0.0592   0.3922
  13.250   1.2906   0.04447   0.03692  -0.0818   0.0558   0.3946
  13.500   1.2924   0.04715   0.03965  -0.0815   0.0522   0.3973
  13.750   1.2955   0.04978   0.04235  -0.0814   0.0493   0.4000
  14.000   1.2971   0.05262   0.04524  -0.0813   0.0463   0.4027
  14.250   1.2992   0.05547   0.04814  -0.0813   0.0438   0.4052
  14.500   1.3011   0.05841   0.05114  -0.0814   0.0414   0.4077
  14.750   1.3022   0.06150   0.05428  -0.0816   0.0394   0.4099
  15.000   1.3053   0.06442   0.05726  -0.0819   0.0374   0.4121
  15.250   1.3071   0.06756   0.06046  -0.0823   0.0355   0.4148
  15.500   1.3090   0.07074   0.06372  -0.0828   0.0340   0.4177
  15.750   1.3121   0.07381   0.06685  -0.0832   0.0323   0.4207
  16.000   1.3136   0.07715   0.07024  -0.0839   0.0308   0.4235
  16.250   1.3162   0.08036   0.07351  -0.0845   0.0295   0.4265
  16.500   1.3189   0.08358   0.07679  -0.0851   0.0281   0.4292
  16.750   1.3208   0.08699   0.08026  -0.0860   0.0268   0.4322
  17.000   1.3236   0.09032   0.08367  -0.0868   0.0258   0.4360
  17.250   1.3269   0.09359   0.08702  -0.0877   0.0247   0.4398
  17.500   1.3291   0.09702   0.09051  -0.0886   0.0237   0.4437
  17.750   1.3311   0.10049   0.09403  -0.0896   0.0228   0.4472
  18.000   1.3338   0.10394   0.09756  -0.0907   0.0220   0.4506
  18.250   1.3377   0.10720   0.10091  -0.0918   0.0213   0.4549
  18.500   1.3399   0.11075   0.10453  -0.0930   0.0205   0.4592
  18.750   1.3419   0.11431   0.10815  -0.0943   0.0198   0.4636
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