Numerical optimization of the fuel mixing process in a direct-injection gasoline engine

Ken Naitoh, Yasuo Takagi, Kunio Kuwahara

研究成果: Conference article査読

6 被引用数 (Scopus)

抄録

The spray formation and mixing processes in a direct-injection gasoline engine are examined by using a sophisticated air flow calculation model and an original spray model. The spray model for a spiral injector can evaluate the droplet size and spatial distribution under a wide range of parameters such as the initial cone angle, back pressure and injection pressure. This model also includes the droplet breakup process due to wall impingement. The arbitrary constants used in the spray model are derived theoretically without using any experimental data. Fuel vapor distributions just before ignition and combustion processes are analyzed for both homogeneous and stratified charge conditions.

本文言語English
ジャーナルSAE Technical Papers
DOI
出版ステータスPublished - 1998 1 1
外部発表はい
イベントInternational Spring Fuels and Lubricants Meeting and Exposition - Dearborn, MI, United States
継続期間: 1998 5 41998 5 6

ASJC Scopus subject areas

  • 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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