高压共轨燃油喷射系统结构参数影响的仿真研究

Simulation of structural parameters of high pressure common-rail fuel injection system

建立了高压共轨燃油喷射系统的模块化数学模型,进行了仿真分析,讨论了主要部件如高压油泵、高压油轨及喷油器的重要结构参数对系统特性的影响,确定了保证系统稳定性的结构参数选取原则.

The modularized mathematical model of high\|pressure common\|rail fuel injection system is established on the basis of simulation analysis. The effects of the important structural parameters of main parts such as high\|pressure fuel pump, high\|pressure rail and fuel injector on system characteristics are discussed. The principles of selecting structural parameters to ensure system′s stability are given.