电控共轨式喷射系统喷油过程的试验研究  

Experimental Study on Injection Process of Electronically Controlled Common-rail Diesel Injection System

作　　者：田良云[1] 宋军[1] 乔信起[1] 黄震[1] 李孝禄[1] 

机构地区：[1]上海交通大学,上海200030

出　　处：《汽车工程》2004年第5期521-523,533,共4页Automotive Engineering

基　　金：国家杰出青年科学基金 (5 0 0 2 5 6 19);国家自然科学基金 (5 0 2 76 0 35 )资助项目

摘　　要：叙述了柴油机电控共轨式喷射系统喷油过程的试验装置及原理 ,实测了HEUI -A液压增压式喷油器的喷油规律 ,并对共轨压力和喷油脉宽与喷油量、预喷射和喷油率之间的依存关系进行了综合分析。The structure and operating principle of the testing device for fuel injection process of electronically controlled common rail injection system were presented.The injection characteristics of hydraulic/electronic unit injector(HEUI)were tested.And the effect of common-rail pressure and injection pulse width on the injected fuel quantity,pre-injection and injection rate was comprehensively analyzed.

关 键 词：共轨式 喷油率 电控 喷射系统 喷油规律 柴油机 喷油脉宽 喷油量 预喷射 喷油器 

分 类 号：TK42[动力工程及工程热物理—动力机械及工程]