611 頂部に掃・排気弁を持つ2サイクルガス機関の研究(オーガナイズドセッション : 環境問題とエネルギー)

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This paper deals with a two-stroke cycle gas engine with poppet valves oh the cylinder head. The characteristics of two-stroke engine are high power and high torque from low revolutions range. But general two-stroke engines have problems of air pollusion due to HC emission at scavenging process or consumption of lubricating oil. This two-stroke engine with poppet valves was improved from a four-stroke engine to solve their problems. The engine adopted direct injection to prevent short-circuit loss of fuel and methane gas is used on the supposition of natural gas. As a result of experiment, stable combustion and stable operation had be got, but enough power had not be got. For this cause, ignition timing, mixture or diffusion of fuel, penetration of fuel, etc. are considered.
一般社団法人日本機械学会の論文
2001-09-20