Ethylene Flame-Holding in Double Ramp Flows

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dc.contributor.authorChang, Eric Won Keunko
dc.contributor.authorYang, Sungmoko
dc.contributor.authorPark, Gisuko
dc.contributor.authorChoi, Hojinko
dc.date.accessioned2018-08-20T08:06:39Z-
dc.date.available2018-08-20T08:06:39Z-
dc.date.created2018-07-09-
dc.date.created2018-07-09-
dc.date.created2018-07-09-
dc.date.issued2018-09-
dc.identifier.citationAEROSPACE SCIENCE AND TECHNOLOGY, v.80, pp.413 - 423-
dc.identifier.issn1270-9638-
dc.identifier.urihttp://hdl.handle.net/10203/244947-
dc.description.abstractIn this work, ethylene flame-holding in supersonic flows was investigated using a shock tunnel. The experiments were conducted at flow stagnation temperatures ranging from 1270 to 1810 K. The two-dimensional test model consisted of a double-ramp inlet and a constant-area combustor with a recessed wall cavity. The two fuel injectors were located at the inlet and the other upstream of the cavity. Shadowgraph and flame chemiluminescence images were captured for optical visualization. The inlet injection images showed various flame-holding patterns. At 1270 K, the flame was not maintained. At 1540 K, the flame was maintained inside the cavity, and the condition provided continuous combustion during the steady flow. At 1810 K, strong flame signals were observed from the inlet to the cavity and downstream. At 1540 K, the inlet injection with a low fuel pressure showed a gradual flame quenching in the cavity during flow establishment. On the other hand, the same injection in the combustor showed flame-holding in the shear layer above the cavity. The results showed that the flame patterns are strongly influenced by the flow stagnation temperature and the location of fuel-injection.-
dc.languageEnglish-
dc.publisherELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER-
dc.subjectCAVITY-STABILIZED FLAMES-
dc.subjectSUPERSONIC CROSS-FLOWS-
dc.subjectSCRAMJET COMBUSTOR-
dc.subjectSHOCK-TUNNEL-
dc.subjectFUEL-INJECTION-
dc.subjectMACH 8-
dc.subjectIGNITION-
dc.subjectINLET-
dc.subjectESTABLISHMENT-
dc.subjectHYDROCARBONS-
dc.titleEthylene Flame-Holding in Double Ramp Flows-
dc.typeArticle-
dc.identifier.wosid000445991100035-
dc.identifier.scopusid2-s2.0-85050882742-
dc.type.rimsART-
dc.citation.volume80-
dc.citation.beginningpage413-
dc.citation.endingpage423-
dc.citation.publicationnameAEROSPACE SCIENCE AND TECHNOLOGY-
dc.identifier.doi10.1016/j.ast.2018.07.012-
dc.contributor.localauthorPark, Gisu-
dc.contributor.nonIdAuthorChang, Eric Won Keun-
dc.contributor.nonIdAuthorYang, Sungmo-
dc.contributor.nonIdAuthorChoi, Hojin-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorScramjet-
dc.subject.keywordAuthorInlet injection-
dc.subject.keywordAuthorCavity flame-holding-
dc.subject.keywordAuthorShock tunnel-
dc.subject.keywordPlusCAVITY-STABILIZED FLAMES-
dc.subject.keywordPlusSUPERSONIC CROSS-FLOWS-
dc.subject.keywordPlusSCRAMJET COMBUSTOR-
dc.subject.keywordPlusSHOCK-TUNNEL-
dc.subject.keywordPlusFUEL-INJECTION-
dc.subject.keywordPlusMACH 8-
dc.subject.keywordPlusIGNITION-
dc.subject.keywordPlusINLET-
dc.subject.keywordPlusESTABLISHMENT-
dc.subject.keywordPlusHYDROCARBONS-
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AE-Journal Papers(저널논문)
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