Combustion Technologies of High Compression Ratio Engine Using High Pressure Gasoline Injection (ThirdReport)

- Study on Improvement of Thermal Efficiency by Mixture Control -

Abstract

In the previous research, it became possible to avoid abnormal combustion at high load by using gasoline high pressure injection and showed the possibility of high compression ratio. In this paper, we tried to make the concentration of the mixture in the combustion chamber homogeneous for the purpose of further improving efficiency at low speed full load. By using CAE to analyze and improve the mixture state, we achieved thermal efficiency over conventional engine.