Experimental methods and numerical analysis were used to investigate the mechanism of high-speed knocking that occurs in small two-stroke engines. The multi-ion probe method was used in the experiments to visualize flame propagation in the cylinde...
Yasuo Moriyoshi   Tatsuya Kuboyama   Zhiyuan Wang   
SAE Technical Papers 2023年10月
For the survival of internal combustion engines, the required research right now is for alternative fuels, including drop-ins. Certain types of alternative fuels have been estimated to confirm the superiority in thermal efficiency. In this study, ...
Liquid fuel attached to the wall surface of the intake port, the piston and the combustion chamber is one of the main causes of the unburned hydrocarbon emissions from a port fueled SI engine, especially during transient operations. To investigate...
Hironao Sato   Masahiro Oba   Takashi Hiromoto   Kiyofumi Sato   Toshiyuki Sonobe   Satoru Hayakawa   Koji Morikawa   Yasuo Moriyoshi   Noriaki Sekine   
SAE Technical Papers 2023年5月
Following Part 1 of the previous study, this paper reports the structure's exciting force and summarize the overall research results. An experimental study was conducted to clarify the relationship between engine combustion and vibration, and to e...