火花点火機関の性能に及ぼす燃料性状の影響

概要

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The coming shortage of crude oil supply and the demand for environmental conservation has resulted in an increased interest in introducing alternative fuels for internal combustion engines. The objective of the present work is to identify the role of the properties of various liquid fuels in the performance of a spark ignition engine. Fuels tested were methanol, ethanol, isooctane, benzene and regular gasoline. Attention was focused mainly on the chemical aspect of the fuel properties, while the influence of physical parameters was minimized. A test engine was devised so as to allow the liquid fuel to vaporize well and to mix with fresh air prior to being charged inside the combustion chamber. The mixtures were observed by means of the laser light scattering method. The cylinder pressure, rate of heat release, combustion duration, thermal efficiency and NO emissions were measured.
一般社団法人日本機械学会の論文
1993-09-25