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방인철

Bang, In Cheol
Nuclear Thermal Hydraulics and Reactor Safety Lab.
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dc.citation.endPage 1146 -
dc.citation.startPage 1138 -
dc.citation.title INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER -
dc.citation.volume 131 -
dc.contributor.author Seo, Seok Bin -
dc.contributor.author Bang, In Cheol -
dc.date.accessioned 2023-12-21T19:36:43Z -
dc.date.available 2023-12-21T19:36:43Z -
dc.date.created 2018-12-27 -
dc.date.issued 2019-03 -
dc.description.abstract In this study, the feasibility of identifying boiling regimes through acoustic emission (AE) measurement is tested, and the relationship between AE features and boiling dynamics is investigated. Conventional pool quenching experiments are performed using a spherical test section to investigate the entire boiling regime from film boiling to nucleate boiling. The AE measurements and accompanying optical visualization enable analyses of the AE features of each boiling regime, which are characterized by statistical and spectral parameters. The recorded boiling dynamics provide the history of vapor-liquid interface motion to verify the characteristics of AE features. The present work analyzes different acoustic features generated from different boiling regimes including nucleate boiling, transition boiling, boiling crisis, and film boiling. Each boiling regime is characterized by its measured AE signal with respect to various parameters. At the same time, optical visualization of the boiling process accompanies the AE measurements. A comparison of the wave information in vapor-liquid interface motion with AE features proves the feasibility of AE measurement for clear identification of boiling regimes and offers an insight into understanding boiling dynamics with respect to vapor behaviors. -
dc.identifier.bibliographicCitation INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.131, pp.1138 - 1146 -
dc.identifier.doi 10.1016/j.ijheatmasstransfer.2018.11.136 -
dc.identifier.issn 0017-9310 -
dc.identifier.scopusid 2-s2.0-85057569002 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/25532 -
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0017931018346994?via%3Dihub -
dc.identifier.wosid 000456761100100 -
dc.language 영어 -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.title Acoustic analysis on the dynamic motion of vapor-liquid interface for the identification of boiling regime and critical heat flux -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Thermodynamics; Engineering, Mechanical; Mechanics -
dc.relation.journalResearchArea Thermodynamics; Engineering; Mechanics -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Acoustic emission -
dc.subject.keywordAuthor Boiling dynamics -
dc.subject.keywordAuthor Identification system -
dc.subject.keywordAuthor Vapor-liquid interface motion -
dc.subject.keywordPlus BUBBLE-GROWTH -
dc.subject.keywordPlus EMISSION -
dc.subject.keywordPlus VISUALIZATION -
dc.subject.keywordPlus MICROLAYER -

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