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NREL's S814 Airfoil (s814-nr)

NREL's S814 Airfoil - NREL HAWT airfoil S814 root 24.0% Dia=20 to 30 m Re=1.5E+6 Clmax(S)=1.56 Clmax(R)=1.51 High max lift coef


Airfoil s814-nr
Details Dat file Parser  
(s814-nr) NREL's S814 Airfoil
NREL HAWT airfoil S814 root 24.0% Dia=20 to 30 m Re=1.5E+6 Clmax(S)=1.56 Clmax(R)=1.51 High max lift coef
Max thickness 24.1% at 28.4% chord.
Max camber 3% at 74.5% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S814 Airfoil
   x/c        y/c
1.000000   0.000000
0.996277   0.001079
0.985681   0.004644
0.969429   0.010691
0.948574   0.018525
0.923625   0.027157
0.894505   0.035738
0.860850   0.044178
0.823023   0.052748
0.781586   0.061424
0.737130   0.070108
0.690273   0.078659
0.641651   0.086901
0.591910   0.094633
0.541692   0.101631
0.491625   0.107648
0.442317   0.112418
0.394345   0.115645
0.348257   0.116962
0.304384   0.115627
0.261983   0.111612
0.221337   0.105629
0.182903   0.097997
0.147112   0.088966
0.114367   0.078763
0.085039   0.067619
0.059481   0.055766
0.038007   0.043458
0.020952   0.030954
0.008577   0.018556
0.001431   0.006672
0.001119   0.005797
0.000338   0.002959
0.000002   0.000223
0.000245  -0.002549
0.000678  -0.004584
0.000925  -0.005491
0.006381  -0.017430
0.016792  -0.031576
0.031367  -0.046492
0.049641  -0.061655
0.071240  -0.076713
0.095610  -0.091093
0.122438  -0.104309
0.151203  -0.115726
0.181669  -0.124578
0.213672  -0.130235
0.247139  -0.131310
0.283942  -0.127757
0.323782  -0.120293
0.367326  -0.109093
0.414593  -0.095249
0.465255  -0.079660
0.518814  -0.063236
0.574574  -0.046894
0.631638  -0.031520
0.688908  -0.017904
0.745125  -0.006688
0.798908   0.001698
0.848830   0.007070
0.893492   0.009517
0.931609   0.009395
0.962086   0.007279
0.983819   0.003889
0.996132   0.001014
1.000000   0.000000
Dat file parser warnings
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Polars for NREL's S814 Airfoil (s814-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s814-nr50,00094.4 at α=14.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s814-nr50,000510.9 at α=14°Mach=0 Ncrit=5Xfoil predictionDetails
   s814-nr100,000935.2 at α=11°Mach=0 Ncrit=9Xfoil predictionDetails
   s814-nr100,000540.1 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s814-nr200,000958.3 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s814-nr200,000558.8 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s814-nr500,000984.4 at α=8.75°Mach=0 Ncrit=9Xfoil predictionDetails
   s814-nr500,000580.8 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s814-nr1,000,0009104.7 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   s814-nr1,000,000597.1 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
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