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非定常高噴射圧ディーゼル噴霧の初期発達過程
- フォーマット:
- 論文
- 責任表示:
- 高橋, 秀夫 ; 柳沢, 洋樹 ; 志賀, 聖一 ; 柄沢, 隆夫 ; 中村, 壽雄
- 言語:
- 日本語
- 出版情報:
- 日本機械学会, 1994-03-25
- 著者名:
- 掲載情報:
- 日本機械学會論文集. B編
- ISSN:
- 0387-5016
- 巻:
- 60
- 通号:
- 571
- 開始ページ:
- 1093
- 終了ページ:
- 1098
- バージョン:
- VoR
- 概要:
- application/pdf<br />Journal Article<br />The development of a high-pressure diesel spray in its very early stage is examined through enlarged shadowgraphs in both atmospheric and pressurized conditions. A rather wide range of valve opening pressure was covered to clarify the mechanisms of the initial stage of development. At 0.3 ms after the start of injection, there is a region where the tip penetration is insensitive to the ambient pressure and it becomes … shorter with the increase in valve opening pressure. This characteristic feature of the spray formation process is related to the eddy motion generated in the spray. The transition of the atomization regime from a wavy jet to a fully developed spray is also shown, and it is suggested that the pressure history in the nozzle sac is closely related to this phenomenon. 続きを見る
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