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← ScienceWhich outcome occurs when pressurized liquid water flows through a subcooled converging-diverging nozzle above its cavitation inception point?
A)Localized film boiling heat transfer reduction
B)Isothermal transition to supercooled vapor
C)Momentum increase causing sonic flow✓
D)Delayed phase transition due to surface tension
💡 Explanation
When water flows through a converging-diverging nozzle, its velocity increases while pressure decreases; reaching sonic flow at throat happens when pressure drop reaches sufficient level, without actual vaporization at cavitation inception point.. This happens because of converging geometry increase fluid accelerate locally, rather than reduce heat transfer, isothermality or surface phenomena impacts.
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