舶用低速4ストロークディーゼル機関における設計諸元がNOx低減に与える影響 Effects of Design Factors on NOx Reduction in Four Stroke Low Speed Diesel Engines

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抄録

The examinations of NOx reduction are investigated on 3 cylinder test engine that has same dimensions as the commercial engines for marine use except number of cylinders, in order to comply with IMO Regulation No.13 only with modifications of engine design factors without using special devices such as SCR, EGR, emulsion fuel injection and so on.<BR>The test contents followings; verified number of injection holes of fuel atomizers, retarded fuel injection timming, increase of compression ratio and charged air pressure, reduced overlap period of exhaust and inlet valve opening, retarded inlet valve closing timming and adoption of fuel pump planger with retarded fuel injection timming in low loads.<BR>We have accomplished reductions by half of NOx E3 value and it seems there is good prospect of satisfying IMO Regulation No. 13 on commercial engines, in combination of constant combustion pressures with the tested design factors without deterioration of smoke, exhaust gas temperatures and fuel oil consumptions.

収録刊行物

  • 日本舶用機関学会誌  

    日本舶用機関学会誌 33(5), 340-345, 1998-05-01 

    The Japan Institute of Marine Engineering

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各種コード

  • NII論文ID(NAID)
    10002042266
  • NII書誌ID(NCID)
    AN00196373
  • 本文言語コード
    JPN
  • 資料種別
    OTR
  • ISSN
    03883051
  • NDL 記事登録ID
    4469821
  • NDL 雑誌分類
    ZN24(科学技術--運輸工学--船舶)
  • NDL 請求記号
    Z16-747
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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