4710 実機を用いた混合拡散制御によるディーゼルNO_x低減実験(S56-2 エンジン燃焼-さらなる進化を目指して-(2),S56 エンジン燃焼-さらなる進化を目指して-)

概要

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This paper presents results of two different trials to reduce NO_x from diesel engines: one is pre-shock injection method and the other is the method with pre-shock jet created by using premixed charge combustion. The both concepts are based on the fact that dominant part of NO_x formation is the area close to the spray tip, where mixing intensity is weak. The mixing intensity of this area is to be maintained high by the two methods. The result shows reasonable effect for the reduction of NO_x, but the extent was not as significant as expected. It was found that the pre-shock jet was not realized in the present setup, and further attempt was necessary to evaluate the concept.
一般社団法人日本機械学会の論文
2006-09-15