Effect of Injector Nozzle Hole Geometry on Particulate Emissions in a Downsized Direct Injection Gasoline Engine

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dc.contributor.authorOh, Heechangko
dc.contributor.authorLee, Juhunko
dc.contributor.authorHan, Seungkookko
dc.contributor.authorPark, Chansooko
dc.contributor.authorBae, Choongsikko
dc.contributor.authorLee, Junghoko
dc.contributor.authorSeo, In Keunko
dc.contributor.authorKim, Sung Jaeko
dc.date.accessioned2023-06-29T11:00:47Z-
dc.date.available2023-06-29T11:00:47Z-
dc.date.created2023-06-08-
dc.date.created2023-06-08-
dc.date.issued2017-09-
dc.identifier.citationSAE 13th International Conference on Engines and Vehicles, ICE 2017-
dc.identifier.issn0148-7191-
dc.identifier.urihttp://hdl.handle.net/10203/310155-
dc.description.abstractIn this study, the effect of the nozzle tip geometry on the nozzle tip wetting and particulate emissions was investigated. Various designs for the injector nozzle hole were newly developed for this study, focusing on the step hole geometry to reduce the nozzle tip wetting. The laser induced fluorescence technique was applied to evaluate the fuel wetting on the nozzle tip. A vehicle test and an emissions measurement in a Chassi-Dynamo were performed to investigate the particulate emission characteristics for injector nozzle designs. In addition, the in-cylinder combustion light signal measurement by the optical fiber sensor was conducted to observe diffusion combustion behavior during the vehicle test. Results showed that the step hole surface area is strongly related to nozzle tip wetting and particulate emissions characteristics. Injectors without the step hole and with a smaller step hole geometry showed significant reduction of nozzle tip wetting and number of particulate emissions.-
dc.languageEnglish-
dc.publisherSAE International-
dc.titleEffect of Injector Nozzle Hole Geometry on Particulate Emissions in a Downsized Direct Injection Gasoline Engine-
dc.typeConference-
dc.identifier.scopusid2-s2.0-85025171588-
dc.type.rimsCONF-
dc.citation.publicationnameSAE 13th International Conference on Engines and Vehicles, ICE 2017-
dc.identifier.conferencecountryIT-
dc.identifier.conferencelocationCapri, Napoli-
dc.identifier.doi10.4271/2017-24-0111-
dc.contributor.localauthorBae, Choongsik-
dc.contributor.nonIdAuthorOh, Heechang-
dc.contributor.nonIdAuthorLee, Juhun-
dc.contributor.nonIdAuthorHan, Seungkook-
dc.contributor.nonIdAuthorPark, Chansoo-
dc.contributor.nonIdAuthorLee, Jungho-
dc.contributor.nonIdAuthorSeo, In Keun-
dc.contributor.nonIdAuthorKim, Sung Jae-
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ME-Conference Papers(학술회의논문)
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