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Which outcome occurs when a long-distance oil pipeline's Reynolds number significantly increases?

A)Transition to turbulent flow regime
B)Reduced energy loss from friction
C)Increased laminar sublayer thickness
D)Decreased pressure drop per kilometer

💡 Explanation

Turbulent flow emerges with heightened Reynolds number because the increased inertial forces overwhelm viscous dampening via the inertial instability mechanism; therefore, turbulence ensues, rather than smoother flow, because the dimensionless ratio exceeds a critical number within the pipe.

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