J0801-1-1 定容燃焼容器を用いた火花点火ガソリン噴霧燃焼特性に関する基礎研究([J0801-1]エンジン,動力システムにおける燃焼技術(1))

概要

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It is essential to increase compression ratio to improve thermal efficiency in gasoline engines. The direct-injection system is necessary to avoid knock at high compression ratios together with lowering hydrocarbons and soot emissions. A fundamental study was conducted on a lift-off gasoline stray combustion system devised to achieve combustion free from knock and soot and HC emissions at high compression rations. Gasoline was directly injected into high pressure and temperature air in a constant volume chamber. Test results showed that combustion is controlled by mixing with air and the relative location spark plug. A CFD model, KIVA-3V could reproduce such lift-off combustion phenomena in the combustion chamber.
2010-09-04