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  • Summary & Details

Observation of Behavior of Post-injected Fuel Film Using Photochromism Visualization Technique

フォトクロミズム可視化手法を用いたポスト噴射に伴う燃料油膜挙動の観察

Detailed Information

Category(J)研究論文

Translation

Category(E)ResearchPaper
Author(J)1) 井上 直樹, 2) 小川 航平, 3) 伊藤 夕人, 4) 中小路 遥人, 5) 畔津 昭彦, 6) 高橋 俊, 7) 落合 成行, 8) 及川 昌訓, 9) 三田 修三, 10) 三原 雄司
Author(E)1) Naoki Inoue, 2) Kohei Ogawa, 3) Yuto Ito, 4) Haruto Nakakouji, 5) Akihiko Azetsu, 6) Shun Takahashi, 7) Masayuki Ochiai, 8) Masakuni Oikawa, 9) Shuzo Sanda, 10) Yuji Mihara
Affiliation(J)1) 東海大学大学院, 2) 東海大学大学院, 3) 東海大学大学院, 4) 東京都市大学大学院, 5) 東海大学, 6) 東海大学, 7) 東海大学, 8) 東京都市大学, 9) 東京都市大学, 10) 東京都市大学
Abstract(J)フォトクロミズム可視化手法をモータリング運転の可視化ディーゼルエンジンに適用し,ポスト噴射によりシリンダライナに形成される燃料膜の観察を行った.シリンダライナやピストンのランド上に付着した燃料膜の分布やその移動などの詳細挙動と,それに伴う潤滑油膜の変化を捉えることに成功した.

Translation

Abstract(E)The visualization experiments of fuel film attached on the cylinder liner associated with post-injection were conducted by applying the photochromic visualization technique to the optical diesel engine under motoring operation. It was confirmed that the thickness of the lubricating oil film became extremely thin at the area where the fuel impacted with post-injection, while the fuel oil film became thicker. It was also confirmed that the fuel oil film on the liner was scraped by the top ring and moved to the piston land.

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