Particle propulsion by an attached acoustic cavitation bubble under strong ultrasonic wave excitation occupies the core of many applications, including ultrasonic cleaning, ultrasonography, targeted therapy, and microbubble motors. However, the driving capacity and mode of bubbles in the field of ultrasonics are far from being well understood, which severely limits its applicability in a variety of fields. In this study, a fluid–structure interaction model based on the boundary integral method is proposed to simulate complex interactions between a suspended spherical particle and an attached cavitation bubble. A one-to-one comparison between the numerical results and experimental data demonstrates the distinct advantage of our model over conventional approaches. Thereafter, we systematically investigate the dependence of bubble–particle interactions on the governing parameters, including the amplitude and phase of the ultrasonic wave, particle density, and particle-to-bubble size ratio. We also document different types of bubble dynamic behaviors under various governing parameters. Finally, we obtain scaling laws for the maximum displacement of the particle with respect to the governing parameters.
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April 2023
Research Article|
April 07 2023
Particle propulsion from attached acoustic cavitation bubble under strong ultrasonic wave excitation
Special Collection:
Cavitation
Wang Jie (王洁)
;
Wang Jie (王洁)
(Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft)
College of Shipbuilding Engineering, Harbin Engineering University
, Harbin 150001, China
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Li Shuai (李帅)
;
Li Shuai (李帅)
a)
(Conceptualization, Funding acquisition, Methodology, Writing – review & editing)
College of Shipbuilding Engineering, Harbin Engineering University
, Harbin 150001, China
a)Author to whom correspondence should be addressed: lishuai@hrbeu.edu.cn
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Gu Jingyu (顾靖愚)
;
Gu Jingyu (顾靖愚)
(Data curation, Visualization, Writing – review & editing)
College of Shipbuilding Engineering, Harbin Engineering University
, Harbin 150001, China
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Zhang A-Man (张阿漫)
Zhang A-Man (张阿漫)
(Conceptualization, Funding acquisition, Writing – review & editing)
College of Shipbuilding Engineering, Harbin Engineering University
, Harbin 150001, China
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a)Author to whom correspondence should be addressed: lishuai@hrbeu.edu.cn
Note: This paper is part of the special topic, Cavitation.
Physics of Fluids 35, 042009 (2023)
Article history
Received:
January 26 2023
Accepted:
March 21 2023
Citation
Jie Wang, Shuai Li, Jingyu Gu, A-Man Zhang; Particle propulsion from attached acoustic cavitation bubble under strong ultrasonic wave excitation. Physics of Fluids 1 April 2023; 35 (4): 042009. https://doi.org/10.1063/5.0143762
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