乳化燃料使用ディーゼル機関の性能に及ぼす燃料噴射方向の影響

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書誌事項

タイトル別名
  • Influence of Injection Direction on Performance of Diesel Engine with Emulsified Fuel
  • ニュウカ ネンリョウ シヨウ ディーゼル キカン ノ セイノウ ニ オヨボス
公開日
1993
DOI
  • 10.5988/jime1966.28.228
公開者
公益社団法人 日本マリンエンジニアリング学会

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説明

This paper presents the influence of injection direction on the performance of a diesel engine driven by water-in-gas oil emulsified fuel.<BR>The experiments were conducted on a small direct injection diesel engine equipped with a bowl in the piston, and the directions of fuel injection were changed from the bowl center (ψ=0°: normal condition) to the side wall of the combustion chamber (ψ= 50°), using a single hole nozzle with nozzle diameter of 0.6mm.<BR>It was found that when water-in-gas oil emulsified fuel was used, the specific fuel consumption increased significantly compared with gas oil operation as the injection direction changed toward the side wall of the chamber, especially at ψ=50°, whereas the NOx concentration and smoke density were remarkably reduced.<BR>The reason may be considered that the degree of constant volume of combustion ηglh and the cooling loss φw deteriorate respectively.

収録刊行物

  • 日本舶用機関学会誌

    日本舶用機関学会誌 28 (3), 228-235, 1993

    公益社団法人 日本マリンエンジニアリング学会

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