Visual study focused on the Combustion problem in Gasoline Direct Injection engine

Hiroshi Tajima, Masayoshi Nakashima, Masashi Sawada, Masayuki Aoyama

研究成果: Contribution to conferencePaper査読

抄録

Combustion phenomena inside the actual Gasoline-Direct-Injection (GDI) engines have been drawing high attention to its emission characteristics as well as its potential to deal with ultra lean mixture. Although the detailed observation is necessary for its improvement, combustion visualization seems to be strangely overlooked for some reason. This study focuses on the direct observation of GDI combustion to clarify the difficulties behind GDI concept by using a test engine of an actual "wall-guided" configuration and by comparing GDI spray quality with diesel spray in a high-pressure constant volume bomb. The results show that some of the problems about GDI combustion seem to be rather essential than easily conquered, which suggests the necessity for another combustion concept.

本文言語英語
DOI
出版ステータス出版済み - 9 16 2003
イベント2003 SAE/JSAE Small Engine Technology Conference and Exhibition, SETC 2003 - Madison, 米国
継続期間: 9 15 20039 18 2003

その他

その他2003 SAE/JSAE Small Engine Technology Conference and Exhibition, SETC 2003
国/地域米国
CityMadison
Period9/15/039/18/03

All Science Journal Classification (ASJC) codes

  • 自動車工学
  • 安全性、リスク、信頼性、品質管理
  • 汚染
  • 産業および生産工学

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