Numerical simulation on spray characteristics in direct injection gasoline engine

  • Shuhua Li*
  • , Ying Gao
  • , Jun Li
  • , Shichun Yang
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a simulation model was built for in-cylinder stratified charged and lean combustion GDI engine, and the spray model was validated. Based on this, numerical simulation of mixture stratified combustion was performed in a gasoline direct injection (GDI) engine with AVL FIRE. The effects of different injection timings on the mixture quality near the spark plug were analyzed and the results showed that injection timings would significantly influence the fuel stratification pattern and the combustion characteristics. Improper injection timings would make the mixture too lean or too rich near the spark plug, resulting in a poor combustion. For a GDI engine, injection timing will play an important role in the success of stratified combustion.

Original languageEnglish
Title of host publication2011 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2011 - Proceedings
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2011 - Wuhan, China
Duration: 25 Mar 201128 Mar 2011

Publication series

NameAsia-Pacific Power and Energy Engineering Conference, APPEEC
ISSN (Print)2157-4839
ISSN (Electronic)2157-4847

Conference

Conference2011 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2011
Country/TerritoryChina
CityWuhan
Period25/03/1128/03/11

Keywords

  • Formatting
  • GDI engine
  • Numerical simulation
  • Stratified combustion

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