高分散形ディーゼル噴射ノズルの開発研究 : 第3報,微粒化促進ノズルの幾何学寸法が間欠噴霧の微粒化に及ぼす影響(熱工学,内燃機関,動力など)

概要

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The purpose of this study is to develop the nozzle, which is able to obtain the spray with high-dispersion and high-penetration and to apply the atomization enhancement nozzle developed in this study to an actual Diesel injector. In this paper, the effects of geometric shape and dimension of the atomization enhancement nozzle on atomization of intermittent spray were investigated. Moreover, spread of the spray of the atomization enhancement nozzle, which was invented in this study, was compared with a single hole nozzle used in the actual Diesel nozzle. As the results, although the spray tip penetration of the atomization enhancement nozzle was short, spread of the spray became large significantly compared with the single hole nozzle at the intermittent injection.
2008-08-25