Cycle-to-cycle fluctuation in combustion of diluted mixture in a spark-ignition engine (2nd report, simulation of combustion fluctuation)

Yoshisuke Hamamoto, Sadami Yoshiyama, Eiji Tomita, Xinghu Li, Hiroyuki Ohtsubo

Research output: Contribution to journalArticle

Abstract

Cycle-to-cycle fluctuation in combustion of a lean mixture and a nitrogen-diluted in a spark-ignition engine was investigated. From the results given in the first report, it was clarified through experimentation that the duration of 1% combustion was a dominant factor for determining the fluctuation of mean effective pressure. In this study, the fluctuations of 1% combustion duration and indicated mean effective pressure were computed as the function of fluctuations both in the equivalence ratio of the mixture and in the turbulence characteristics of the cylinder charge. The computed results were in good agreement with the experimental results obtained under well-controlled conditions of mixture composition in the cylinder.

Original languageEnglish
Pages (from-to)1468-1474
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume63
Issue number608
DOIs
Publication statusPublished - Jan 1 1997
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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