Aerodynamics-supercritical aerofoils, Other Engineering

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Design Features of Supercritical Aerofoil

• Blunt nose-

rapid p pressure reduction around leading edge

• Flat top-

Reduce the flow acceleration on upper surface toreduce shock strength

• Cusped trailing edge-

Increased loading over rear of aerofoil to recoversome lift

Velocity vector

1146_velocity vector.png

Speed of NACA

1258_velocity vector1.png

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