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(1-21) Cylinder to Cylinder Deviations in Fuel Spray and Exhaust Emissions at Idling in High Pressure DI Diesel Engines
https://kitami-it.repo.nii.ac.jp/records/7857
https://kitami-it.repo.nii.ac.jp/records/785782543266-933f-47c0-b117-7c188e219243
名前 / ファイル | ライセンス | アクション |
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2001-07_Cylinder to Cylinder Deviations in Fuel Spray and Exhaust Emissions at Idling in High Pressure DI Diesel Engines.pdf (70.9 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-06-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | (1-21) Cylinder to Cylinder Deviations in Fuel Spray and Exhaust Emissions at Idling in High Pressure DI Diesel Engines | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Diesel Engine | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Direct Injection | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | High Pressure | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_5794 | |||||
タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
TSUNEMOTO, Hideyuki
× TSUNEMOTO, Hideyuki× ISHITANI, Hiromi× Montajir, Rhaman MD.× HAYASHI, Takeshi× Kitayama, Naoto× 常本, 秀幸× 石谷, 博美 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | High pressure fuel injection in a direct injection diesel engine is one of the most effective methods to reduce PM emissions. Pilot injection is also used to reduce NOx emissions and engine noise. Little research has investigated the fuel spray behavior under high pressure injection and pilot injection, and cylinder to cylinder deviations in spray behavior and the correlations with deviations in HC emissions are not clear. This study attempted to determine the relationship between cylinder to cylinder deviations in spray configuration and deviations in THC emissions with high pressure and pilot injections. It was found that an increase in injection pressure causes decreases in hole to hole and nozzle to nozzle spray deviations (Fig. 1). Very high injection pressures cause unstable spray development due to leakage from the magnetic valve. Deviations in THC emissions have a minimum at 40 to 80 MPa injection pressures (Fig. 2). Pilot injection of a very small quantity of fuel causes larger deviations in the spray configuration and mass. The amount of fuel adhering to the walls is less with pilot injection but there is no significant improvement in the THC emission while the HC components in the exhaust gas differ. | |||||
言語 | en | |||||
書誌情報 |
en : The international symposium on diagnostics and modeling of combustion in internal combustion engines 巻 01-204, p. 70-70, 発行日 2001-07 |
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著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | The Japan Society of Mechanical Engineers |