柴油机高原燃烧特性研究进展

Research Progress of Diesel Engine Combustion Characteristics in Plateau Environment

柴油机高原燃烧特性研究有助于揭示柴油机高原环境对柴油机工作过程的影响机理,提升柴油机高原性能。综述了柴油机高原燃烧特性研究总体情况,总结了高原环境条件对柴油机燃烧过程影响的规律和柴油机高原燃烧优化的基本规律。提出了柴油机高原燃烧特性研究的发展趋势,即研究目标从单工况功率恢复向变海拔全工况综合性能提升发展,研究内容从宏观规律到微观过程发展,研究方向向变海拔增压技术应用侧重。

Research on diesel engine combustion characteristics in plateau environment can help disclose the influencing mechanism of plateau environment on working process and improve the performance of diesel engine in plateau environment.The overall situation of diesel engine combustion characteristics was reviewed.The rules for the influence of plateau environmental condition on combustion process and the optimization of plateau combustion for diesel engine were summarized.Then the research trend of diesel engine plateau combustion characteristics was put forward.Up to now,the research target has been changing from power recovery of single point to comprehensive performance improvement of full working conditions at variable altitudes,the research content has been changing from macroscopic rule to microscopic process,and the research direction has been changing to turbocharging technologies at varying altitudes.