Study on NOx Formation and Reduction of Lean-Burn Spark-Ignited Gas Engine with Pre-Combustion Chamber.
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概要
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A high-speed gas sampling method was used to analyze the local gas composition within the pre-combustion chamber and main combustion chamber of a lean-burn gas engine with a 180mm bore. The spatial distribution of the gas composition and changes every crank angle were studied. A pre-combustion chamber volume and an excess air ratio in main chamber are dominant factors to determine the NO<SUB>x</SUB> emission level. A plural small pre-combustion chamber is a key technology to achieve an ultra low NO<SUB>x</SUB> emission, which were evaluated by means of a test on a 6 cylinder engine with a 335mm bore.
- 一般社団法人 日本機械学会の論文
一般社団法人 日本機械学会 | 論文
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