The mathematic model of the transient flow was set up to study the unsteady flow phenomena in the high-pressure common-rail injector.
针对高压共轨喷油器内部非稳态流动现象，建立起瞬态流动的物理数学模型，采用模块化分析方法进行了瞬态数值模拟。
The results show that the different structural parameters of the high-pressure common-rail injector have strong effects on the dynamic characteristic, injection rate and cycle fuel injection quantity.
结果表明：高压共轨喷油器不同结构参数对其动态特性、喷油率及循环喷油量等性能指标有很大的影响。
The response characteristics of the common rail system are improved by optimizing the hydraulic parameters of the injector and the driving circuit of its solenoid.
通过优化共轨喷油器液力参数和电磁阀高压驱动电路，改善了高压共轨系统的响应特性。
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