There are no files associated with this item.
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 66 | - |
dc.citation.number | 1 | - |
dc.citation.startPage | 57 | - |
dc.citation.title | 한국가시화정보학회지 | - |
dc.citation.volume | 21 | - |
dc.contributor.author | 황종빈 | - |
dc.contributor.author | 신이수 | - |
dc.contributor.author | 김주하 | - |
dc.date.accessioned | 2023-12-21T12:45:41Z | - |
dc.date.available | 2023-12-21T12:45:41Z | - |
dc.date.created | 2023-05-30 | - |
dc.date.issued | 2023-03 | - |
dc.description.abstract | In this study, we investigate the effects of a single roughness element on Venturi cavitation. The single roughness element of hemispherical shape is installed at the throat inlet of a Venturi tube. Since the wake behind the roughness element induces an additional pressure drop, cavitation inception occurs at a higher Cavitation number for the Venturi model with the single roughness element than for the Venturi model with no roughness. Cavitation bubbles form along the wake of the roughness element and lengthen in the streamwise direction as the Cavitation number decreases, forming a longitudinal cavitation. With a further decrease in the Cavitation number, the longitudinal cavitation bubble merges with the sheet cavitation initiated from the exit edge of the Venturi tube throat, followed by the shedding of cloud cavitation. The merging of the longitudinal cavitation and sheet cavitation is accompanied by a sudden decrease in the discharge coefficient and an increase in the pressure loss coefficient as it chokes the flow inside the Venturi tube. |
- |
dc.identifier.bibliographicCitation | 한국가시화정보학회지, v.21, no.1, pp.57 - 66 | - |
dc.identifier.doi | 10.5407/jksv.2023.21.1.057 | - |
dc.identifier.issn | 1598-8430 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/64421 | - |
dc.language | 한국어 | - |
dc.publisher | 한국가시화정보학회 | - |
dc.title.alternative | Effects of a single roughness element on Venturi cavitation | - |
dc.title | 단일 거칠기 요소가 벤투리 캐비테이션에 미치는 영향 | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.identifier.kciid | ART002948111 | - |
dc.description.journalRegisteredClass | kci | - |
dc.subject.keywordAuthor | Cavitation | - |
dc.subject.keywordAuthor | Venturi | - |
dc.subject.keywordAuthor | Roughness | - |
dc.subject.keywordAuthor | Flow visualization | - |
dc.subject.keywordAuthor | 공동 현상 | - |
dc.subject.keywordAuthor | 벤투리 | - |
dc.subject.keywordAuthor | 거칠기 | - |
dc.subject.keywordAuthor | 유동가시화 | - |
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Tel : 052-217-1404 / Email : scholarworks@unist.ac.kr
Copyright (c) 2023 by UNIST LIBRARY. All rights reserved.
ScholarWorks@UNIST was established as an OAK Project for the National Library of Korea.