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← ScienceWhich outcome occurs when laminar airflow transitions through a pipe restriction?
A)Increased thermal boundary layer separation
B)Significant energy loss transforms into heat✓
C)Fluid inertial forces become negligible
D)Viscosity dominates, reducing net momentum
💡 Explanation
A turbulent flow profile develops because the increased velocity overcomes viscous damping promoting chaotic motion, leading to enhanced internal friction and energy dissipation via viscous forces. Therefore, energy turns to heat rather than kinetic energy, and turbulent KE dominates, inertia rises, and energy stays significant.
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