ArticleUltrasonics sonochemistry2023
Manipulation of bubble collapse patterns near the wall of an adherent gas layer.
Article in Ultrasonics sonochemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Research on the Anti-Erosion Mechanism of the Shell Surface Structure Based on Numerical Simulation.Biomimetics (Basel, Switzerland) · 2026Article
- On demand controlling of cavitation bubble collapse and jet formation through a free and rigid boundary arrangement.Ultrasonics sonochemistry · 2025Article
- Interaction between cavitation bubbles and plastrons on superhydrophobic surfaces.Ultrasonics sonochemistry · 2024Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This paper aims to apply experimental methods to investigate the effect of the thickness of gas layers on the wall on the collapse direction of spark-induced bubbles. In the experiment, two high-speed cameras synchronously record the time evolution of the bubbles and the corresponding parameters such as the normalized collapse position and bubble collapse time. Experiments yielded results for individual bubbles over a range of normalized distances from 0 to 4.0 for different air layer thicknesses. Based on the morphology of the bubbles, the experimental jets were visualized into six different modes, namely, forward jet (FJ), merging jet (MJ), bidirectional jet (BJ), reversing jet (RJ), forward followed by reversing jet (FRJ), and non-directional jet (NDJ). The height of the air layer on the wall is affected by the fluctuation of the bubble volume and shows the opposite trend to the change of the bubble volume. The air film reaches its maximum height when the bubble collapses, which affects the final jet pattern. In addition, as the thickness of the air layer increases, the center of the bubble gradually migrates away from the wall. The different collapse modes and the migration of the bubble centers have positive significance for reducing cavitation erosion in engineering.
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