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Numerical Study on Ignition Process of Micro Pilot Fuel Spray in CH<sub>4</sub>-Air Mixture using 1D Diesel Jet Model

DOI Open Access

Bibliographic Information

Other Title
  • 一次元噴霧モデルによるメタン-空気予混合気中における微小燃料噴霧の着火過程の数値解析

Abstract

This study examines how the enhanced entrainment affects the ignition processes of micro pilot spray using a onedimentional model. The calculation model could quantitatively simulate the increasing tendency of the measured ignition delay. In addition, the simulation result demonstrated that OH radical decreased prior to the onset of the hot flame under injection conditions leading to long ignition delays. Examining the change in the entrainment rate into the spray showed that the decrease in OH radical was related to an increase in enhanced entrainment after the end of injection.

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Details

  • CRID
    1390285300185027584
  • NII Article ID
    130007891834
  • DOI
    10.11351/jsaeronbun.51.767
  • ISSN
    18830811
    02878321
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
    • KAKEN
  • Abstract License Flag
    Disallowed

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