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수중익형 주변 유동장에서의 공동현상과 유동소음에 대한 수치적 연구

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dc.contributor.author김상현-
dc.contributor.author박원규-
dc.contributor.author설한신-
dc.contributor.author정철웅-
dc.date.accessioned2021-08-03T04:42:24Z-
dc.date.available2021-08-03T04:42:24Z-
dc.date.issued2016-
dc.identifier.issn1598-2785-
dc.identifier.issn2287-5476-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/690-
dc.description.abstractUnderwater cavitation is one of the most important issues because it causes not only vibration and erosion of submerged bodies but also significant flow noise problems. In this paper, flow noise due to cavitation flows around the NACA66 MOD hydrofoil is numerically investigated. The cavitation flow simulation is conducted using the Reynolds-Averaged Navier-Stokes equations based on finite difference methods. To capture the cavitation phenomena accurately and effectively, the homogeneous mixture model with the Merkle's cavitation model is applied. The predicted results are compared with available experimental data in terms of pressure coefficients and volume fraction, which confirms the validity of numerical results. Based on flow field analysis results, hydro-acoustic noise field due to the cavitation flow is predicted using the Ffowcs-Williams and Hawkings equation derived from the Lighthill’s acoustic analogy. The typical lift dipole propagation patterns are identified.-
dc.format.extent7-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국소음진동공학회-
dc.title수중익형 주변 유동장에서의 공동현상과 유동소음에 대한 수치적 연구-
dc.title.alternativeNumerical Investigation of Cavitation Flow Around Hydrofoil and Its Flow Noise-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.doi10.5050/KSNVE.2016.26.2.141-
dc.identifier.bibliographicCitation한국소음진동공학회논문집, v.26, no.2, pp 141 - 147-
dc.citation.title한국소음진동공학회논문집-
dc.citation.volume26-
dc.citation.number2-
dc.citation.startPage141-
dc.citation.endPage147-
dc.identifier.kciidART002100619-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthor공동현상-
dc.subject.keywordAuthor균질 혼합 모델-
dc.subject.keywordAuthor수중익형-
dc.subject.keywordAuthor수중소음-
dc.subject.keywordAuthorCavitation-
dc.subject.keywordAuthorHomogeneous Mixture Model-
dc.subject.keywordAuthorHydrofoil-
dc.subject.keywordAuthorHydro-acoustics-
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