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Which mechanism initiates turbulent transition as Reynolds number increases?

A)Amplified energy transfer from boundary oscillations
B)Decreased fluid momentum diffusion process
C)Increased laminar viscosity dominates flow
D)Reduced impact because gravity stabilizes layers

💡 Explanation

Increased Reynolds number leads to instability; the Tollmien-Schlichting wave amplification causes turbulence because initially small boundary oscillations grow exponentially. These are amplified, therefore accelerating turbulence rather than stabilizing layer impacts because inertia dominates viscosity.

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