本文介绍了在 4气门 1135型 直喷式试验机上采取提高混合气形成质量 ,组织稀薄均质预混合燃烧方式 ,控制在上止点着火等措施获得理想放热规律 ,取得了经济性和排放性全面改善的效果。同时还介绍了模拟增压试验 ,不同增压比、气门重叠角、喷油定时及喷孔尺寸等实验研究。结果表明 :适当提高增压比和加大气门重叠角 ,是柴油机强化燃烧的重要措施。 This paper introduces the 4-valve 1135 type direct-injection testing machine to take to improve the quality of the gas mixture, the organization of homogeneous homogeneous premixed combustion mode, control the ignition at the top dead center and other measures to obtain the ideal heat dissipation law, achieved economic and emission The overall effect of improvement. At the same time, it also introduces the experimental research on the simulation booster test, different pressurization ratio, valve overlap angle, fuel injection timing and nozzle size. The results show that proper increase of pressure ratio and increase of valve overlap angle are important measures for intensified combustion of diesel engine.