Autoignition and combustion of n-butane/air mixtures in homogeneous charge compression ignition engine (effects of internal EGR on auto ignition and combustion)

Manabu Sakai, Norimasa Iida

Research output: Contribution to journalArticle

Abstract

In this study, effects of internal EGR ratio on the ignition and the combustion of homogeneous charge compression ignition (HCCI) engine are investigated experimentally. At first, using single cylinder test engine, relation between exhaust valve close timing and internal EGR (Exhaust Gas Re -circulation) ratio is clarified. Effects of an internal EGR gas on autoignition timing, combustion duration and knocking limits are discussed. As a result of an experiment, it became clear the following facts; with advancing exhaust valve close timing, i ) internal EGR ratio is increasing, ii) both knocking limits at high load and misfiring limits at low load are expanding, iii) ignition timing is advancing, iv) combustion duration is decreasing and v) combustion efficiency is increasing.

Original languageEnglish
Pages (from-to)1842-1848
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume67
Issue number659
Publication statusPublished - 2001 Jul

Fingerprint

Exhaust gas recirculation
spontaneous combustion
exhaust gases
Butane
butanes
ignition
Ignition
engines
Compaction
time measurement
Engines
air
Air
engine tests
combustion efficiency
Engine cylinders
Gases
gases
Experiments

Keywords

  • Auto ignition
  • Combustion duration
  • EGR
  • Gaseous fuel
  • HCCI
  • High temperature reaction
  • Internal combustion engine
  • Knocking
  • Low temperature reaction
  • N-Uutane
  • Premixed combustion
  • Variable valve timing

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

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title = "Autoignition and combustion of n-butane/air mixtures in homogeneous charge compression ignition engine (effects of internal EGR on auto ignition and combustion)",
abstract = "In this study, effects of internal EGR ratio on the ignition and the combustion of homogeneous charge compression ignition (HCCI) engine are investigated experimentally. At first, using single cylinder test engine, relation between exhaust valve close timing and internal EGR (Exhaust Gas Re -circulation) ratio is clarified. Effects of an internal EGR gas on autoignition timing, combustion duration and knocking limits are discussed. As a result of an experiment, it became clear the following facts; with advancing exhaust valve close timing, i ) internal EGR ratio is increasing, ii) both knocking limits at high load and misfiring limits at low load are expanding, iii) ignition timing is advancing, iv) combustion duration is decreasing and v) combustion efficiency is increasing.",
keywords = "Auto ignition, Combustion duration, EGR, Gaseous fuel, HCCI, High temperature reaction, Internal combustion engine, Knocking, Low temperature reaction, N-Uutane, Premixed combustion, Variable valve timing",
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T1 - Autoignition and combustion of n-butane/air mixtures in homogeneous charge compression ignition engine (effects of internal EGR on auto ignition and combustion)

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N2 - In this study, effects of internal EGR ratio on the ignition and the combustion of homogeneous charge compression ignition (HCCI) engine are investigated experimentally. At first, using single cylinder test engine, relation between exhaust valve close timing and internal EGR (Exhaust Gas Re -circulation) ratio is clarified. Effects of an internal EGR gas on autoignition timing, combustion duration and knocking limits are discussed. As a result of an experiment, it became clear the following facts; with advancing exhaust valve close timing, i ) internal EGR ratio is increasing, ii) both knocking limits at high load and misfiring limits at low load are expanding, iii) ignition timing is advancing, iv) combustion duration is decreasing and v) combustion efficiency is increasing.

AB - In this study, effects of internal EGR ratio on the ignition and the combustion of homogeneous charge compression ignition (HCCI) engine are investigated experimentally. At first, using single cylinder test engine, relation between exhaust valve close timing and internal EGR (Exhaust Gas Re -circulation) ratio is clarified. Effects of an internal EGR gas on autoignition timing, combustion duration and knocking limits are discussed. As a result of an experiment, it became clear the following facts; with advancing exhaust valve close timing, i ) internal EGR ratio is increasing, ii) both knocking limits at high load and misfiring limits at low load are expanding, iii) ignition timing is advancing, iv) combustion duration is decreasing and v) combustion efficiency is increasing.

KW - Auto ignition

KW - Combustion duration

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KW - HCCI

KW - High temperature reaction

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KW - Knocking

KW - Low temperature reaction

KW - N-Uutane

KW - Premixed combustion

KW - Variable valve timing

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