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Engineering Design Methods for Cavitation Reactors II: Hydrodynamic Cavitation

Parag R. Gogate, Aniruddha B. Pandit

2000encavitationhydrodynamicschemical engineeringreactorsnumerical simulation

Abstract

Language:

The bubble behavior and the pressure generated at the collapse of the cavity for hydrodynamic cavitation depend on the operating conditions and geometry of the mechanical constriction that generates cavitation. This study aims to numerically investigate the effects of operating parameters such as inlet pressure, initial cavity size, and the indirect influence of the hole diameter on bubble dynamics and turbulence frequency in the vicinity of the orifice. The bubble dynamics were modeled in two stages using the Rayleigh-Plesset equation up to bubble wall velocities of 1,500 m/s, followed by analysis of the compressibility of the medium through the equation of Tomita and Shima. An empirical correlation was developed to predict the collapse pressure as a function of the aforementioned parameters, and the trends in collapse pressure magnitudes aligned with observed experimental trends for cavitation-induced reactions. This work extends earlier analyses conducted on sonochemical reactors, providing recommendations for hydrodynamic cavitation reactor design based on simulation outcomes.

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Cite This Work

@article{dede257b-d778-4b12-91a8-aec392ccddee,
  title={Engineering Design Methods for Cavitation Reactors II: Hydrodynamic Cavitation},
  author={Parag R. Gogate and Aniruddha B. Pandit},
  year={2000},
  language={en}
}
TY  - JOUR
TI  - Engineering Design Methods for Cavitation Reactors II: Hydrodynamic Cavitation
AU  - Parag R. Gogate
AU  - Aniruddha B. Pandit
PY  - 2000
LA  - en
ER  -

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