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本文根据12V190Z型柴油机燃油系统的试验结果,分析了泵腔燃油充填不足对喷射过程的影响,提出了当泵腔内存在空腔时泵端边界条件的处理方法,并以计算结果和试验结果比较说明了这一方法的可行性。本文还对12V190Z型柴油机燃油系统提出五个改进方案。
Based on the test results of the 12V190Z diesel engine fuel system, the influence of insufficient fuel filling in the pump chamber on the injection process is analyzed. The treatment method of the pump end boundary conditions when the cavity exists in the pump chamber is proposed. The calculation results and the test results are compared Illustrates the feasibility of this method. This paper also proposed five improvements to 12V190Z diesel fuel system.