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本文提出了一个用于比较直接喷射式柴油机喷油系统强化程度的评价指标,它的定义是一次喷油过程中折算至单位喷孔面积的平均喷射功率。理论分析与实践表明,该指标不仅可以用来评价柴油机喷油系统的强化程度,而且在改善柴油机的工作性能以及实现柴油机与喷油系统之间的合理匹配方面也具有一定的指导意义。
This paper presents an evaluation index to compare the degree of enhancement of a direct injection diesel engine injection system. It is defined as the average injection power converted to unit orifice area during a fuel injection. Theoretical analysis and practice show that this index not only can be used to evaluate the degree of enhancement of diesel injection system, but also has certain guiding significance in improving the performance of diesel engine and achieving a reasonable match between diesel engine and fuel injection system.