FUNDAMENTAL STUDY ON DIRECT-INJECTION STRATIFIED CHARGE COMBUSTION.

Yasuhiro Daisho, Takeshi Saito, Daisuke Horiuchi, Naoya Tsutsumoto

研究成果: Article

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An experimental study has been made on stratified charge combustion which may possibly realize lean combustion in a spark ignition engine. In order to simulate charge stratification, methane was injected into a constant volume vessel, and its temporal and spatial concentrations were measured using a hot wire probe. Thus, fuel distribution maps were drawn throughout the vessel for successive timings after fuel injection. Then, ignitability was determined for various spark plug locations and related to the measured stratified charge. The results have shown that a local mixture exceeding its flammable limit for mean fuel-air ratio can be ignited with a proper turbulence of fuel concentration and that for fast burning of the whole charge, spark ignition should be made at a downstream point of the fuel jet.

元の言語English
ページ(範囲)985-990
ページ数6
ジャーナルNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
52
発行部数474
出版物ステータスPublished - 1986 2
外部発表Yes

ASJC Scopus subject areas

  • Mechanical Engineering

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