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September 10, 2025Open Access

New concept for Simulating the Cavitation Phenomenon by using Sub-grid Model for Characteristic the Fine Structures

Key Points

This research develops a new sub-grid model to better simulate cavitation, enhancing the understanding of the phenomenon.
Key findings indicate that using this model can help characterize fine structures responsible for energy dissipation in turbulent flows.
Methodologies include simulations that focus on vapor pressure dynamics and turbulence characteristics impacting cavitation effects.
The results highlight the potential for improved performance in fluid systems by better understanding cavitation through this sub-grid modeling approach.

Abstract

Cavitation occurs in liquid flows at the operation temperature, when the local pressure reaches values lower than the vapor pressure, inducing vaporization, this phenomenon causes some potentially negative effects such as: performance deterioration, vibration noise and cavitation erosion. This research is working on the development of new approach for simulating the cavitation phenomenon by using sub-grid model for characteristic the Fine Structures which are used for simulating the cavitation phenomenon which relay on using sub-grid model to characteristic the fine structures whose are responsible for the dissipation of turbulence energy into heat as well as for the molecular mixing, these fine structure gives the space for reactions to occur.

New concept for Simulating the Cavitation Phenomenon by using Sub-grid Model for Characteristic the Fine Structures

Key Points

Abstract

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