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← ScienceWhich risk is amplified downstream of a stenosis?
A)Cavitation number becomes highly variable✓
B)Laminar flow immediately recovers fully
C)Pressure builds at previous average
D)Dynamic viscosity decreases significantly
💡 Explanation
Variable energy dissipation occurs because downstream expansion promotes chaotic eddies, enhancing turbulent kinetics. Therefore, the cavitation number varies because decreased pressure leads to bubble formation and collapse rather than stable, laminar flow.
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