The effects of combustion chamber geometry on the performance and exhaust emission of a direct injection diesel engine with high pressure were stu died.

• 试验结果表明：缩口燃烧室有利于实现柴油机的动力性、经济性和排放指标的折衷，特别是创造了氮氧化物排放和微粒排放同时降低的条件；