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Diesel Combustion Analysis Based on Two-Zone Model : Examination of Excess Air Ratio in Burned Zone
http://hdl.handle.net/10069/16786
http://hdl.handle.net/10069/1678677b6d245-b030-4aeb-99e1-87764e6dce97
名前 / ファイル | ライセンス | アクション |
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JSME_B39_3_632.pdf (763.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-04-28 | |||||
タイトル | ||||||
タイトル | Diesel Combustion Analysis Based on Two-Zone Model : Examination of Excess Air Ratio in Burned Zone | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diesel Engine | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Combustion Analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Two-Zone Model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diffusion Flame Model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Excess Air Ratio | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NO Formation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NO_x Reduction Factor | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ishida, Masahiro
× Ishida, Masahiro× Ueki, Hironobu× Matsumura, Noboru× Chen, Zhi-Li |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The burned zone excess air ratio λ_d in the diffusion combustion process was analyzed using the two-zone model, and it was compared with the excess air ratio λ_f estimated using a steady diffusion flame model of the fuel spray. It is found that λ_d is dependent on the fuel spray penetration and ignition delay. If the premixed combustion fraction is less than 50%, the NO formation is minimally influenced by the excess air ratio during premixed combustion and is dependent on the excess air ratio λ_d which determines the maximum temperature during diffusion combustion. It is clarified by analysis of the two-zone model that the large reduction in NO_x due to timing retard is mainly caused by decreases in both combustion temperature and combustion pressure, and the small reduction in NO_x occurring when the nozzle-hole diameter is decreased, is due to a small decrease in combustion pressure resulting from a decrease in the heat release rate during premixed combustion. | |||||
書誌情報 |
JSME international journal. Ser. B, Fluids and thermal engineering 巻 39, 号 3, p. 632-639, 発行日 1996-08-15 |
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出版者 | ||||||
出版者 | 社団法人日本機械学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13408054 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10888815 | |||||
権利 | ||||||
権利情報 | 社団法人日本機械学会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | JSME international journal. Ser. B, Fluids and thermal engineering. 1996, 39(3), p.632-639 |