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← ScienceWhich outcome occurs when fluid flow exceeds Reynolds limit in a heat exchanger?
A)Increased localized vibrational fatigue failures✓
B)Enhanced convective heat transfer efficiency
C)Decreased pressure drop across baffle regions
D)Reduced corrosion due laminar sublayer
💡 Explanation
Exceeding the Reynolds number instigates turbulence-induced vibration due to increased kinetic energy. This initiates vibrational fatigue because fluctuating forces act on exchanger components. Therefore, fatigue risk increases, rather than enhanced heat transfer, due to disorganized flow.
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