Combustion aspects in advanced internal combustion engines

Suk Ho Chung*, Sang Hee Won, Junhong Kim

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Combustion characteristics in recently developing internal combustion engines can be different from those in conventional engines, where the combustion occurs predominantly as premixed and diffusion flame modes. In advanced engines including direct-injection (DI) gasoline engines and high speed direct injection (HSDI) diesel engines, mixtures are frequendy partially-premixed inhomogeneous conditions. The flame then could propagate through stratified fuel/air mixing layers ranging from fuel lean to fuel rich conditions. In such cases, the leading edge of propagating flame could be the structure of tribrachial (or triple) flames. In this paper, the propagation characteristics of tribrachial flames will be discussed together with their relevance to diesel spray combustion. A brief description of soot formation characteristics in partially premixed conditions will be also discussed.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalAdvanced Engine Design and Performance
Volume36
StatePublished - Jan 1 2006
Event2006 Global Powertrain Congress on Advanced Engine Design and Performance, GPC 2006 - Novi, MI, United States
Duration: Sep 19 2006Sep 21 2006

ASJC Scopus subject areas

  • Fuel Technology
  • Aerospace Engineering
  • Automotive Engineering
  • Mechanical Engineering

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