20409 複合掃気方式の小型2サイクルエンジンが燃焼状態及び排気ガス成分に及ぼす影響の実験的研究(OS3 エンジン燃焼と排気浄化)

概要

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This paper presents the results of experiments conducted with a 2-cycle engine that was the world's first such engine to comply with the emissions regulations applied to small off-road engines by the U.S. state of California in 2000. This engine is fitted with a scavenging passage that runs around the crankcase before the scavenging port. The scavenging stratified flows in directly the sub-scavenging port. The aim of this research was to investigate how changes in the quantity of heat transferred to the fresh air as a result of varying the scavenging passage and scavenging stratified would affect the state of combustion and exhaust gas composition. Two ion probes were fitted to the combustion chamber in order to detect the state of combustion.
一般社団法人日本機械学会の論文
2005-03-17