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Title: Analysis of Mixture Formation Process in a Diesel Engine with Post Injection
Authors: Horibe, Naoto  kyouindb  KAKEN_id  orcid (unconfirmed)
Komizo, Tatsuya
Mamizuka, Yuji
Sumimoto, Takashi
Kawanabe, Hiroshi  kyouindb  KAKEN_id  orcid (unconfirmed)
Ishiyama, Takuji
Author's alias: 堀部, 直人
小溝, 達也
狸塚, 雄司
隅本, 貴
川那辺, 洋
石山, 拓二
Issue Date: 1-Sep-2015
Publisher: SAE International
Journal title: SAE Technical Papers
Thesis number: 2015-01-1836
Abstract: A series of experiments was conducted using a single-cylinder small-bore (85 mm) diesel engine to investigate the smoke-reduction effect of post injection by varying the number of injection nozzle orifices and the injection pressure. The experiments were performed under a constant injection quantity condition and under a fixed NOx emission condition. The results indicated that the smoke emission of six-hole, seven-hole, and eight-hole nozzles decreased for advanced post injection, except that the smoke emission of the 10-hole nozzle increased as the post injection was advanced from a moderately late timing around 17° ATDC. However, the smoke emission of the 10-hole nozzle with a higher injection pressure decreased for advanced post injection. These trends were explained considering the influence of the main-spray flames on post sprays based on CFD simulation results.
Description: JSAE/SAE 2015 International Powertrains, Fuels & Lubricants Meeting
Rights: This is the accepted manuscript of the article, which has been published in final form at
The full-text file will be made open to the public on 1 March 2016 in accordance with publisher's 'Terms and Conditions for Self-Archiving'
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.4271/2015-01-1836
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