4821 高分散型微粒化促進ノズルによる噴霧の微粒化特性と流量特性の改善(S54-2 スプレーダイナミックス-計測とモデリング-(2),S54 スプレーダイナミックス-計測とモデリング-)

概要

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The atomization enhancement nozzle, which is able to obtain the excellent spray characteristics under the low-injection pressure, was invented in the previous study. The purpose of this study is to apply this nozzle to the actual Diesel injector. It is necessary to obtain the flow rate corresponded to the high-injection pressure at the low-injection pressure. In this paper, the effects of geometric shapes and measurements of the atomization enhancement nozzle on the atomization characteristics and the flow characteristics were investigated. As the results, the shorter breakup length and the larger spray angle were obtained and the injection flow rate increased comparing with the nozzle invented in the previous study. The atomization characteristics and the flow characteristics were improved.
社団法人日本機械学会の論文
2006-09-15