摘要
Thisarticleinvestigatedanexistingsteadypatternofcollapseandrebound(disintegrationandaggregation)ofcavitationbubblesnearrigidboundaryinacousticfield.Adeformationprocessofcavitationbubblewasaccomplishedintwoacousticcycles,namely,asphericalbubblecollapsedtowardstheboundarytoitsminimumvolumeandthenreboundedandgrewintoatoroidalbubble(ortwoindividualbubbles)inoneacousticcycle,andthetoroidalbubble(ortwoindividualbubbles)collapsedtowardsthecenterofringtoitsminimumvolume,andthenreboundedintoasphericalbubbleinthenextacousticcycle.Inertiaforceplaysakeyroleinthetransitionbetweenthesetwostates.Themicrojetproducedduringthecollapseofsphericalbubbleandtheshockwaveproducedduringthecollapseoftoroidalbubble(ortwoindividualbubbles)impactstheboundaryalternately.Acavitationbubbleoperatinginthispatterncanthusbeaneffectivecorrosionmechanismofrigidboundary.
出版日期
2008年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
