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Which consequence results when wind turbine blade Reynolds number exceeds design limits?

A)Premature blade material fatigue increases
B)Electrical generator output voltage lowers
C)Gearbox lubrication oil thickens rapidly
D)Tower structural oscillation frequency increases

💡 Explanation

Increased Reynolds number induces turbulent flow; it causes increased drag and fluctuating forces resulting in fatigue cracking. This is because turbulent boundary layer separation induces cyclical aeroelastic stresses; therefore fatigue increases; rather than voltage altering when flow transitions past designed limits.

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