Compressible effect on the mutual interaction of two cavitation bubbles in radial oscillations and translational motion

IF 8.7 1区化学 Q1 ACOUSTICS

Ultrasonics Sonochemistry Pub Date : 2024-09-18 DOI:10.1016/j.ultsonch.2024.107075

Hancheng Wang, Junjie Jiao, Xuchao Pan, Yanjie Qi, Feng Shan, Zhong Fang, Chuanting Wang, Yong He

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Abstract

In this study, we considered the compressible effect on the mutual interaction of two cavitation bubbles by correcting the sound field emitted by one bubble in the radial equations of the other bubble to first order in the Mach number of the flow, and the effect is represented by the incident wave acting on bubbles. The results illustrates that the incident wave can enhance the resonance response at the redistributed resonance frequency, which leads to an increase in radial acceleration and the secondary Bjerknes force, and rapid approach of bubbles. Furthermore, the influence of incident wave on the interaction of bubbles driven at lower frequencies is more significant, due to resonance enhancement caused by the proximity of natural frequencies and frequency multiplications of the external sound field. Our findings reveal that the compressible effect is not only critical to interaction in radial oscillations, but also in translational motion.

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两个空化气泡在径向振荡和平移运动中相互影响的可压缩效应

在这项研究中，我们考虑了两个空化气泡相互影响的可压缩效应，方法是将一个气泡发出的声场在另一个气泡的径向方程中修正为流动马赫数的一阶，并用作用于气泡的入射波来表示这种效应。结果表明，入射波能增强再分布共振频率下的共振响应，从而导致径向加速度和次生比氏力的增加，气泡迅速接近。此外，入射波对低频驱动气泡相互作用的影响更为显著，这是由于固有频率接近和外部声场的频率倍增导致共振增强。我们的研究结果表明，可压缩效应不仅对径向振荡中的相互作用至关重要，而且对平移运动也至关重要。

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来源期刊

Ultrasonics Sonochemistry 化学-化学综合

CiteScore

15.80

自引率

11.90%

发文量

361

审稿时长

59 days

期刊介绍： Ultrasonics Sonochemistry stands as a premier international journal dedicated to the publication of high-quality research articles primarily focusing on chemical reactions and reactors induced by ultrasonic waves, known as sonochemistry. Beyond chemical reactions, the journal also welcomes contributions related to cavitation-induced events and processing, including sonoluminescence, and the transformation of materials on chemical, physical, and biological levels. Since its inception in 1994, Ultrasonics Sonochemistry has consistently maintained a top ranking in the "Acoustics" category, reflecting its esteemed reputation in the field. The journal publishes exceptional papers covering various areas of ultrasonics and sonochemistry. Its contributions are highly regarded by both academia and industry stakeholders, demonstrating its relevance and impact in advancing research and innovation.