Non-spherical collapse of a cavitation bubble induced by a rigid filament

Pan, Jinghan; Tu, Chengxu; Chen, Taohou; Xia, Xufeng; Du, Pengfei; Bao, Fubing; Lin, Jianzhong

doi:10.1016/j.oceaneng.2023.115838

Ocean Engineering

2023

DOI: 10.1016/j.oceaneng.2023.115838

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Non-spherical collapse of a cavitation bubble induced by a rigid filament

Jinghan Pan,

Chengxu Tu,

Taohou Chen

et al.

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Cited by 2 publications

References 43 publications

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Theoretical and experimental research on the impacts of the Joukowsky hydrofoils on the bubble collapse dynamics within a confined space

Shen,

Wang,

Zhang

et al. 2025

Ultrasonics Sonochemistry

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Theoretical and experimental research on the impacts of the Joukowsky hydrofoils on the bubble collapse dynamics within a confined space

Shen,

Wang,

Zhang

et al. 2025

Ultrasonics Sonochemistry

View full text Add to dashboard Cite

On the transient dynamics of laser-induced cavitation bubbles near the end of a slender cylinder

Xiang,

Ren,

Yang

et al. 2024

Physics of Fluids

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In this work, we perform high-speed imaging and numerical simulation to investigate the transient dynamics of cavitation bubbles near the end of a slender cylinder. The bubble dynamics can be categorized into four distinct regimes in terms of the types of bubble collapse, corresponding to the regular jet, needle jet, in-phase double jets, and anti-phase double jets, respectively, depending on two dimensionless parameters, the normalized cylinder radius η (=rc/Rmax, where rc is the cylinder radius and Rmax is the spherical bubble radius at maximum expansion), and the dimensionless standoff distance γ (=SD/Rmax, where SD is the standoff distance between the end surface of the cylinder and bubble center). The peak velocity of the liquid jet could easily reach a supersonic state in the regime of the needle jet when the cavitation bubble collapses near a slender cylinder, and the maximum jet velocity can reach up to 635 m/s. Quantitative analysis of the evolution of pressure distribution also indicates that the end surface of the cylinder will have strong hydrodynamic pressure loading, particularly for the case of η=0.3 and γ ranging from 0.5 to 0.83. Additionally, we find that the collapse time of the cavitation bubble near a slender cylinder is close to the Rayleigh collapse time. We believe that our findings can be valuable in mitigating or utilizing cavitation near solid cylinders.

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Non-spherical collapse of a cavitation bubble induced by a rigid filament

Cited by 2 publications

References 43 publications

Theoretical and experimental research on the impacts of the Joukowsky hydrofoils on the bubble collapse dynamics within a confined space

Theoretical and experimental research on the impacts of the Joukowsky hydrofoils on the bubble collapse dynamics within a confined space

On the transient dynamics of laser-induced cavitation bubbles near the end of a slender cylinder

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