Phase synchronization of fluid-fluid interfaces as hydrodynamically coupled oscillators

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dc.contributor.authorUm, Eujinko
dc.contributor.authorKim, Minjunko
dc.contributor.authorKim, Hyoungsooko
dc.contributor.authorKang, Joo H.ko
dc.contributor.authorStone, Howard A.ko
dc.contributor.authorJeong, Joonwooko
dc.date.accessioned2020-12-14T08:30:29Z-
dc.date.available2020-12-14T08:30:29Z-
dc.date.created2020-11-23-
dc.date.issued2020-10-
dc.identifier.citationNATURE COMMUNICATIONS, v.11, no.1-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10203/278431-
dc.description.abstractHydrodynamic interactions play a role in synchronized motions of coupled oscillators in fluids, and understanding the mechanism will facilitate development of applications in fluid mechanics. For example, synchronization phenomenon in two-phase flow will benefit the design of future microfluidic devices, allowing spatiotemporal control of microdroplet generation without additional integration of control elements. In this work, utilizing a characteristic oscillation of adjacent interfaces between two immiscible fluids in a microfluidic platform, we discover that the system can act as a coupled oscillator, notably showing spontaneous in-phase synchronization of droplet breakup. With this observation of in-phase synchronization, the coupled droplet generator exhibits a complete set of modes of coupled oscillators, including out-of-phase synchronization and nonsynchronous modes. We present a theoretical model to elucidate how a negative feedback mechanism, tied to the distance between the interfaces, induces the in-phase synchronization. We also identify the criterion for the transition from in-phase to out-of-phase oscillations.-
dc.languageEnglish-
dc.publisherNATURE RESEARCH-
dc.titlePhase synchronization of fluid-fluid interfaces as hydrodynamically coupled oscillators-
dc.typeArticle-
dc.identifier.wosid000582681400033-
dc.identifier.scopusid2-s2.0-85092586839-
dc.type.rimsART-
dc.citation.volume11-
dc.citation.issue1-
dc.citation.publicationnameNATURE COMMUNICATIONS-
dc.identifier.doi10.1038/s41467-020-18930-7-
dc.contributor.localauthorKim, Hyoungsoo-
dc.contributor.nonIdAuthorUm, Eujin-
dc.contributor.nonIdAuthorKim, Minjun-
dc.contributor.nonIdAuthorKang, Joo H.-
dc.contributor.nonIdAuthorStone, Howard A.-
dc.contributor.nonIdAuthorJeong, Joonwoo-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusDROPLETS-
dc.subject.keywordPlusGENERATION-
dc.subject.keywordPlusCHANNEL-
dc.subject.keywordPlusTRAINS-
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