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← ScienceWhich mechanism accelerates pipe corrosion in turbulent flows?
A)Increased wall shear stress
B)Reduced diffusion layer thickness✓
C)Elevated fluid static pressure
D)Decreased fluid dynamic viscosity
💡 Explanation
Reduced diffusion layer thickness accelerates corrosion because it lessens reactant concentration polarization through turbulent mixing. This enhances the electrochemical reaction rate at the pipe wall; therefore, corrosion rate increases rapidly, rather than decreasing from diffusion limits.
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