Studies on Direct-Injection Stratified-Charge Combustion in a Constant Volume Bomb (Effects of Local Premixing by Radial Fuel Injection)

Hiroyuki Kido, Kenshiro Nakashima, Hiroshi Tajima, Toshiaki Kitagawa, Shuwei Huang

研究成果: Contribution to journalArticle査読

抄録

The direct-injection stratified-charge engine has the advantages of higher thermal efficiency and less CO and NOx emission levels than conventional spark ignition engines. However, its actual utilization is prevented by high unburned hydrocarbon emission levels during light-load operations. In order to reduce the unburned hydrocarbon emissions, the effects of intensification of local premixing by radial fuel injection were examined experimentally using a pancake-type constant volume bomb. Unburned hydrocarbon emission levels by this “locally homogenized DISC system” with radial fuel injection were shown to be lower than those of tangential fuel injection cases. Moreover, the emission levels were discussed by comparing them with unburned hydrocarbon levels of premixed turbulent combustion.

本文言語英語
ページ(範囲)2949-2954
ページ数6
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
54
506
DOI
出版ステータス出版済み - 1988
外部発表はい

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 機械工学

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