FUNDAMENTAL STUDY ON DIRECT-INJECTION STRATIFIED CHARGE COMBUSTION.

Yasuhiro Daisho; Takeshi Saito; Daisuke Horiuchi; Naoya Tsutsumoto

FUNDAMENTAL STUDY ON DIRECT-INJECTION STRATIFIED CHARGE COMBUSTION.

Yasuhiro Daisho, Takeshi Saito, Daisuke Horiuchi, Naoya Tsutsumoto

Research output: Contribution to journal › Article

Abstract

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.

Original language	English
Pages (from-to)	985-990
Number of pages	6
Journal	Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	52
Issue number	474
Publication status	Published - 1986 Feb
Externally published	Yes

ASJC Scopus subject areas

Mechanical Engineering

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Daisho, Y., Saito, T., Horiuchi, D., & Tsutsumoto, N. (1986). FUNDAMENTAL STUDY ON DIRECT-INJECTION STRATIFIED CHARGE COMBUSTION. Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 52(474), 985-990.

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abstract = "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.",

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AU - Tsutsumoto, Naoya

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