Diesel spray combustion in an ambient gas containing hydrocarbon using a rapid compression machine (Case of methane-air lean mixture)

Norimasa Iida, Mitsunori Nakamura, Hideki Ohhashi

Research output: Contribution to journalArticle

Abstract

Effect of hydrocarbon content in surrounding gas on diesel spray ignition and combustion was examined. In this study, a single-action rapid compression machine was used to observe the ignition and combustion of diesel spray and the soot formation and oxidation processes in the flame. Various surrounding gas compositions were obtained by adding different quantities of methane or propane to charged air with an equivalence ratio ranging from 0.0 to 0.6. The two color method was applied to analyze the flame temperature and KL values from the colored flame image taken by high-speed camera. Also characteristics of compression ignition of lean methane-air mixture were examined.

Original languageEnglish
Pages (from-to)1854-1861
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume63
Issue number609
Publication statusPublished - 1997 May
Externally publishedYes

Fingerprint

ignition
sprayers
Ignition
Methane
Compaction
methane
hydrocarbons
Hydrocarbons
flames
air
Air
Gases
gases
flame temperature
high speed cameras
High speed cameras
gas composition
soot
Soot
Propane

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AU - Iida, Norimasa

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AU - Ohhashi, Hideki

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AB - Effect of hydrocarbon content in surrounding gas on diesel spray ignition and combustion was examined. In this study, a single-action rapid compression machine was used to observe the ignition and combustion of diesel spray and the soot formation and oxidation processes in the flame. Various surrounding gas compositions were obtained by adding different quantities of methane or propane to charged air with an equivalence ratio ranging from 0.0 to 0.6. The two color method was applied to analyze the flame temperature and KL values from the colored flame image taken by high-speed camera. Also characteristics of compression ignition of lean methane-air mixture were examined.

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