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강제가진조건에서 자유롭게 매달린 PVC 파이프의 와류유기진동 특성에 관한 시험 연구

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dc.contributor.author권용주-
dc.contributor.author정동호-
dc.contributor.author박병원-
dc.contributor.author정재환-
dc.contributor.author오승훈-
dc.date.accessioned2021-08-03T04:29:14Z-
dc.date.available2021-08-03T04:29:14Z-
dc.date.issued2018-
dc.identifier.issn1225-0767-
dc.identifier.issn2287-6715-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/494-
dc.description.abstractA series of model tests was carried out to investigate the vortex-induced vibration (VIV) characteristics of a free hanging PVC pipe under forced oscillation conditions. The prescribed displacement with a period and amplitude was forced at the top of the riser. The motion of the riser along its length was measured with underwater cameras in three dimensions. The top-excited responses in the inline direction and vortex-induced vibration in the cross-flow direction were examined in the time and frequency domains. Multi-peak frequencies in the VIV were demonstrated to be strongly dependent upon the Keulegan-Carpenter number, corresponding with the results of Blevin. It was found that the Reynolds numbers (excitation period) was a critical parameter for the dominant VIV characteristics, even under the condition of using the same Keulegan-Carpenter number, under the top-excited condition. In the resonance at the nth natural frequency by the forced-motion induced VIV frequency, the riser responded with a large amplitude and forced frequency, dominantly in the VIV CF direction.-
dc.format.extent10-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국해양공학회-
dc.title강제가진조건에서 자유롭게 매달린 PVC 파이프의 와류유기진동 특성에 관한 시험 연구-
dc.title.alternativeExperimental Study of VIV Characteristics of Free Hanging PVC Pipe under Forced Oscillation Conditions-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.doi10.26748/KSOE.2018.6.32.5.341-
dc.identifier.bibliographicCitation한국해양공학회지, v.32, no.5, pp 341 - 350-
dc.citation.title한국해양공학회지-
dc.citation.volume32-
dc.citation.number5-
dc.citation.startPage341-
dc.citation.endPage350-
dc.identifier.kciidART002396729-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthorVIV(Vortex-induced vibration) characteristics 와류유기진동 특성-
dc.subject.keywordAuthorExperimental study 시험연구-
dc.subject.keywordAuthorForced oscillation 강제가진-
dc.subject.keywordAuthorEnvironmental loads 환경하중-
dc.subject.keywordAuthorRiser 라이저-
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친환경해양개발연구본부 (심해공학연구센터)
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