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  • Summary & Details

Study of the effect of fuel property on ignition and combustion in prechamber ignition system

副室式点火システムの点火・燃焼に及ぼす燃料性状の影響に関する研究

Detailed Information

Author(J)1) 山下 陸 , 2) 大前 幹鉄, 3) 松浦 翼, 4) 嶋田 不美生 , 5) 田上 公俊, 6) 森吉 泰生
Author(E)1) Riku Yamashita, 2) Kantetsu Omae, 3) Tsubasa Matsura, 4) Fumio Shimada, 5) Kimitoshi Tanoue, 6) Yasuo Moriyoshi
Affiliation(J)1) 大分大学, 2) 大分大学, 3) 大分大学, 4) 大分大学, 5) 大分大学, 6) 千葉大学大学院
Affiliation(E)1) Oita University, 2) Oita University, 3) Oita University, 4) Oita University, 5) Oita University, 6) Graduate School of Chiba University
Abstract(J)副室式点火は副室で燃焼させたガスをトーチ火炎として噴出させることで主室内の混合器を点火,燃焼させる点火方式である.ガスエンジンの燃焼状態は副室からのトーチ火炎の噴出現象に依存するため,主室の着火・燃焼に及ぼす噴口径や初期圧力,燃料性状の違いの影響に関する研究は,ガスエンジンの性能向上に重要となっている.本研究では特に副室式点火の主室の点火・燃焼に及ぼす燃料性状の影響に関して実験による考察を行った.

Translation

Abstract(E)The prechamber combustion characteristics were studied using a rapid compression and expansion machine (RCEM) to improve the efficiency of cogeneration natural gas engines. The torch flames generated by a prechamber were used to investigate the effect that a prechamber has on the main combustion. In our previous study, we observed the correlation between the torch flame and the main flame (which is a so-called “prechamber combustion”). In this study, the effect of fuel properties on the main chamber ignition and combustion of the prechamber combustion were investigated in detail.

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