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← ScienceWhich 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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