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Which flow regime results along an aircraft wing when higher Reynolds numbers are exceeded?

A)Boundary layer transitions to turbulence
B)Complete laminar flow is maintained
C)Flow reverses near wing's surface
D)Drag is reduced significantly

💡 Explanation

When higher Reynolds Number exceeds a threshold, increased inertial forces induce transition to turbulence of the boundary layer because increased instabilities arise via Tollmien–Schlichting waves. Therefore, boundary layer will transition, rather than remain smoothly laminar, because this only occurs at appropriately lower conditions.

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