直噴ディーゼル機関におけるスプリツト噴射時の混合気特性と燃焼・排気特性(ディーゼル噴霧とその燃焼,内燃機関の燃焼化学と排出物制御)

概要

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Influences of split injection on combustion and emission characteristics of a D.I. Diesel engine were investigated. A ratio of amount of fuel injected between two injection pulses were varied under the total injection period kept constant. The concentration distributions of the vapor and liquid phases in the splitting fuel spray injected into a high-pressure and high-temperature vessel were measured by means of the Laser Absorption Scattering (LAS) technique. The mixture properties obtained by the LAS measurements were correlated with the engine experiment. The results indicate the possibility that the split injection could reduce NO_x without an increase in BSFC and with a slight increase in the smoke emission.
社団法人日本機械学会の論文
2004-09-04