圧縮天然ガス(CNG)直接噴射エンジンの燃焼解析 Numerical Analysis of Combustion in a Compressed Natural Gas Direct Injection Engine

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Compressed Natural Gas (CNG) direct injection engine has many advantages for the reduction of CO<sub>2</sub> emission. For further improvement of those engines, a numerical simulation technique has been developed for the analysis of combustion process. Prior to an in-cylinder calculation, the wall function was modified to improve the accuracy of the wall heat loss. Then the nozzle-to-cylinder entire calculation was performed. Good agreements were obtained in comparison with the experiment for the behavior of impinging jets. This method was applied to the analysis of the difference of combustion processes between CNG and conventional gasoline direct-injection engines. It is accordingly found that the velocity and the turbulence of in-cylinder gas are increased by the fuel injection into CNG engine and thus the combustion speed is enhanced significantly.

収録刊行物

  • 伝熱 : journal of the Heat Transfer Society of Japan  

    伝熱 : journal of the Heat Transfer Society of Japan 46(194), 33-37, 2007-01-01 

    The Heat Transfer Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018576202
  • NII書誌ID(NCID)
    AA11315621
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13448692
  • NDL 記事登録ID
    8658403
  • NDL 雑誌分類
    ZM5(科学技術--科学技術一般--工学・工業)
  • NDL 請求記号
    Z54-J404
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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