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ディーゼル機関のすす粒径に及ぼすノズル噴孔径の影響 : 熱工学, 内燃機関, 動力など

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タイトル: ディーゼル機関のすす粒径に及ぼすノズル噴孔径の影響 : 熱工学, 内燃機関, 動力など
その他のタイトル: Effect of Nozzle Orifice Size on Soot Particle Size in a DI Diesel Engine
著者: 石田, 正弘 / 坂口, 大作 / 石橋, 研治
著者(別表記) : Ishida, Masahiro / Sakaguchi, Daisaku / Ishibashi, Kenji
発行日: 2001年 1月
出版者: 日本機械学会 / Japan Society of Mechanical Engineers
引用: 日本機械学會論文集. B編, 67(653), pp.280-287; 2001
抄録: The effect of nozzle orifice size on smoke emission was examined experimentally in a turbochar-ged DI diesel engine. The nozzle orifice size was varied from 0.26 to 0.18 mm under various engine operation condition. The rates of NO-formation, soot-formation and soot-oxidation were analyzed by using the two-zone model based on the measured combustion pressure time history. The changes due to orifice size in the excess air ratio of the burned zone, the soot particle size and the number of soot particles were estimated. It is shown that the soot size is primarily dependent on the orifice size and secondarily but more markedly on the spray penetration for the ignition delay period, and the number of soot particles is primarily dependent on the amount of fuel injected and secondarily on the excess air ratio of the burned zone.
キーワード: Diesel engine / Nozzle orifice size / Smoke / Soot number density / Soot size
URI: http://hdl.handle.net/10069/22675
ISSN: 03875016
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:060 学術雑誌論文

引用URI : http://hdl.handle.net/10069/22675



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