四ストロークガソリンエンジンの吸入新気量に及ぼすシリンダ内伝熱の影響

概要

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Many papers concerning air quantity of 4-stroke cycle gasoline engine have been published. It has been reported in these papers that heat transfer in surface of cylinder and inlet port gives big influence to the air quantity. But it has not been clear which influence of heat transfer in cylinder and inlet port is strong. So the autors derived a function of the air quantity thermodynamically considering heat transfer, and examined which of influence of heat transfer was strong. The results show;(1)The influence of heat transfer in cylinder is small(about1%)at full load, and is also small(about 5%)at light load.(2)Heat transfer in cylinder almost increases the air quantity.(3)The influence of heat transfer in inlet port decrases the air quantity with around 30% greatly.
社団法人日本機械学会の論文
2000-01-25