文中利用该装置研究了轴针式喷嘴的喷油过程，探讨了喷嘴油束形成的特征。
The apparatus has been used in investigating the spray formation of a pintle nozzle.
结果表明：节流孔板是电控共轨喷油器的重要构成部分，既控制着唢油嘴针阀的开启速度，义控制着喷油率的形状。
The results show that, as important components of electronic injector used in common rail system, orifices affect on the open rate of nozzle needle and injection rate shapes.
结果表明，电磁阀铁心弹簧刚度对喷油规律没有影响，但其质量影响针阀落座响应时间；
The results show that stiffness of spring does not affect the injection rate, but the mass of will affect the needle valve closing response time.
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