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← ScienceWhich outcome increases downstream of a constriction when turbulent flow dominates?
A)Boundary layer momentum transfer
B)Eddy kinetic energy dispersion
C)Pressure drop and head-loss✓
D)Reynolds stress laminarization trends
💡 Explanation
High turbulence causes increased frictional losses and kinetic energy dissipation as heat; this is because turbulence intensifies the **momentum diffusion** across the fluid. Therefore pressure drops significantly at constrictions rather than recovering, because the random motion counteracts pressure conservation.
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