September 10, 2025Physics of Fluids

Flow field instability mechanism induced by cavitation inside the regulating valve

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Cavitation behavior significantly affects flow resistance and vortex structure development.
Initial cavitation development aligns with the first peak in flow resistance, showing a mere 0.24% deviation.
The maximum flow resistance occurs at specific conditions, reaching 4.18 × 10² W·cm−3.
Understanding vortex dynamics is crucial for revealing the cavitation mechanism in regulating valves.

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Numerical model reveals cavitation's influence on flow resistance and vortex dynamics in regulating valves.

Zhang et al. (2025) studied this question.

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