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← ScienceWhich phenomenon prevents accurate flow measurement using Bernoulli's equation at high Reynolds numbers?
A)Increased fluid boundary layer thickness
B)Onset of flow induced cavitation
C)Dominance of turbulent kinetic energy✓
D)Static pressure head loss reduction
💡 Explanation
Turbulence negates the assumptions of steady, laminar flow crucial for Bernoulli’s equation; energy dissipates via eddies due to viscous forces, rather than conforming to streamline assumptions. Therefore, turbulent kinetic energy dominates, rather than a simple pressure-velocity relationship, because the equation is valid only for laminar flow.
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