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LIEF와 Mie 산란 방법을 이용한 직분식 가솔린 엔진의 스월 및 슬릿 인젝터의 분무 특성

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dc.contributor.author이창희-
dc.contributor.author이기형-
dc.contributor.author황규민-
dc.date.accessioned2021-06-24T00:06:45Z-
dc.date.available2021-06-24T00:06:45Z-
dc.date.created2021-02-01-
dc.date.issued2005-03-
dc.identifier.issn1226-4881-
dc.identifier.urihttps://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46407-
dc.description.abstractThe spray characteristics of DISI injector have a great role in gasoline engine efficiency and emission. Thus, many researchers have studied to investigate the spray characteristics of swirl and slit injectors that are used in a DISI engine. In this study, we tried to provide spray parameters, which affect on the spray characteristics such as injection pressure, ambient pressure and ambient temperature. In addition, we calculated tb and tc to investigate the break up mechanism of test injectors and obtained Cv to evaluate the spray characteristics. As the ambient pressure increases in case of slit injector, Cv decreases. The laser-induced exciplex fluorescence (LIEF) technique, which is based on spectrally resolved two-color fluorescent emissions, has applied to measure the liquid and vapor phases for on evaporating spray simultaneously. The TMPD/naphthalene proposed by Melton is used as a dophant to detect exciplex signal. The temporal and spatial distribution of liquid and vapor phases during the mixture formation process was measured by this technique. In the LIEF technique, the vapor phase is detected by the monomer fluorescence while the liquid phase is tracked by the exciplex fluorescence. From this experiment, we found that the spray area of the vapor phase is increased with elapsed time after injection and the area of liquid is decreased when the ambient pressure is 0.1MPa. However, the area tends to increase until the end of injection when the ambient pressure is 1.0MPa.-
dc.language한국어-
dc.language.isoko-
dc.publisher대한기계학회-
dc.titleLIEF와 Mie 산란 방법을 이용한 직분식 가솔린 엔진의 스월 및 슬릿 인젝터의 분무 특성-
dc.title.alternativeThe Spray Characteristics of Swirl and Slit Injector to DISI Engine Using LIEF and Mie-scattering Method-
dc.typeArticle-
dc.contributor.affiliatedAuthor이기형-
dc.identifier.bibliographicCitation대한기계학회논문집 B, v.29, no.3, pp.356 - 367-
dc.relation.isPartOf대한기계학회논문집 B-
dc.citation.title대한기계학회논문집 B-
dc.citation.volume29-
dc.citation.number3-
dc.citation.startPage356-
dc.citation.endPage367-
dc.type.rimsART-
dc.identifier.kciidART001094474-
dc.description.journalClass2-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthor난류발생시점-
dc.subject.keywordAuthor감속점-
dc.subject.keywordAuthor레이저 유도 형광법-
dc.subject.keywordAuthor속도계수-
dc.subject.keywordAuthor직분식 가솔린 엔진-
dc.subject.keywordAuthorTurbulent Occurring Point-
dc.subject.keywordAuthorDeceleration Point-
dc.subject.keywordAuthorLIEF-
dc.subject.keywordAuthorVelocity Coefficient-
dc.subject.keywordAuthorDISI Engine-
dc.identifier.urlhttps://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00580762-
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LEE, KI HYUNG
ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)
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