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ARA-D 20% AIRFOIL

Cambered · 20% thick · low-to-mid Re
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PROFILEARA-D 20% AIRFOIL
surfacecamber line
GEOMETRY · AREA METRICS
max thickness20.0% @ 26%c
max camber3.7% @ 25%c
LE radius4.40%c
area upper / chord0.0884
area lower / chord-0.0443
area camber / chord0.0220
TE thickness2.50%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.481-50.38073.3331.24211.672.10420ClAngle of attack (°)
Why this curve

This is a NeuralFoil prediction from the stored profile coordinates and the selected flow condition, with AeroSandbox compressibility corrections. It is not a completed OpenFOAM calculation.

Prediction error has not been calibrated for this condition. No accuracy interval is claimed.

Geometry fit: RMS error 0.0259% of chord; maximum error 0.1014%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
107.1
Angle at maximum lift / drag (°)
9
Minimum Cd
0.009518
Maximum Cl
1.889
Angle at maximum Cl (°)
14
Cd at zero lift
0.00955
Cm at zero angle
-0.04022
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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