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← ScienceWhich outcome is likely when coolant Reynolds number increases rapidly?
A)Increased acoustic resonance of impeller
B)Fluid boundary-layer transition to turbulence✓
C)Enhanced nucleate boiling heat transfer
D)Decreased local fluid convective resistance
💡 Explanation
At sufficient flow rates, the increased Reynolds number triggers boundary layer transition; because increased inertia dominates viscous forces, turbulence develops rapidly. Therefore, transitioning occurs prior to improvements in heat transfer, rather than increased acoustic resonance or lowering fluid local resistance.
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