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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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Title: 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
Other Titles: Effect of Nozzle Orifice Size on Soot Particle Size in a DI Diesel Engine
Authors: 石田, 正弘 / 坂口, 大作 / 石橋, 研治
Authors (alternative): Ishida, Masahiro / Sakaguchi, Daisaku / Ishibashi, Kenji
Issue Date: Jan-2001
Publisher: 日本機械学会 / Japan Society of Mechanical Engineers
Citation: 日本機械学會論文集. B編, 67(653), pp.280-287; 2001
Abstract: 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.
Keywords: Diesel engine / Nozzle orifice size / Smoke / Soot number density / Soot size
URI: http://hdl.handle.net/10069/22675
ISSN: 03875016
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

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

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