通过试验及其分析 ,探索天然气和柴油复合燃烧特性和规律 ,并具体阐述负荷、转速、替代率、引燃油量、进气混合气浓度、供油提前角和燃烧室形式等因素对双燃料燃烧压力变化规律、放热规律、着火特性、最高替代率变化规律等的影响。特别指出了天然气 /柴油双燃料燃烧的主要特征、存在的主要问题和需要采取的技术措施 Through the experiment and analysis, the complex combustion characteristics of natural gas and diesel are explored. Combining the factors of load, rotational speed, substitution rate, fuel consumption, intake air mixture concentration, fuel supply advance angle and combustion chamber form, Pressure variation, exothermic, ignition characteristics, the highest replacement rate of change and other effects. In particular, the main features of the natural gas / diesel dual fuel combustion, the main problems and the technical measures to be taken