Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevE.84.066307
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dc.titleInteraction of two differently sized oscillating bubbles in a free field
dc.contributor.authorChew, L.W.
dc.contributor.authorKlaseboer, E.
dc.contributor.authorOhl, S.-W.
dc.contributor.authorKhoo, B.C.
dc.date.accessioned2014-06-17T06:24:55Z
dc.date.available2014-06-17T06:24:55Z
dc.date.issued2011-12-12
dc.identifier.citationChew, L.W., Klaseboer, E., Ohl, S.-W., Khoo, B.C. (2011-12-12). Interaction of two differently sized oscillating bubbles in a free field. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 84 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.84.066307
dc.identifier.issn15393755
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/60580
dc.description.abstractMost real life bubble dynamics applications involve multiple bubbles, for example, in cavitation erosion prevention, ultrasonic baths, underwater warfare, and medical applications involving microbubble contrast agents. Most scientific dealings with bubble-bubble interaction focus on two similarly sized bubbles. In this study, the interaction between two oscillating differently sized bubbles (generated in tap water) is studied using high speed photography. Four types of bubble behavior were observed, namely, jetting toward each other, jetting away from each other, bubble coalescence, and a behavior termed the "catapult" effect. In-phase bubbles jet toward each other, while out-of-phase bubbles jet away from each other. There exists a critical phase difference that separates the two regimes. The behavior of the bubbles is fully characterized by their dimensionless separation distance, their phase difference, and their size ratio. It is also found that for bubbles with large size difference, the smaller bubble behaves similarly to a single bubble oscillating near a free surface. © 2011 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevE.84.066307
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1103/PhysRevE.84.066307
dc.description.sourcetitlePhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
dc.description.volume84
dc.description.issue6
dc.description.page-
dc.description.codenPLEEE
dc.identifier.isiut000298138200003
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