对天然气和柴油双燃料发动机的复合燃烧规律进行了研究 ,主要阐述负荷、转速、替代率、柴油供油特性、引燃油量、进气混合气浓度和供油提前角等因素对双燃料的耗热率、燃烧循环变动和爆震燃烧的影响。特别指出天然气、柴油双燃料燃烧经济性和稳定性的主要特点、存在问题及解决的途径 The complex combustion rules of natural gas and diesel dual-fuel engines are mainly studied. The effects of load, rotation speed, substitution rate, diesel fuel supply characteristics, pilot fuel consumption, intake air mixture concentration and fuel supply advance angle on the dual fuel consumption Heat rate, combustion cycle variation and knock combustion effects. In particular, it points out the main features, problems and solutions to the economy and stability of natural gas and diesel dual fuel combustion