Structural Parameter Match and Design of Common Rail Injector for Diesel Engine of Medium-Heavy Duty Vehicle

XU Wenyan; LIU Lifeng; REN Qingshuang; CHENG Xiuwei; WANG Xulan; WANG Shangxue

doi:10.3969/j.issn.1001-2222.2020.05.011

Vehicle Engine ›› 2020, Vol. 0 ›› Issue (5) : 66-72. DOI: 10.3969/j.issn.1001-2222.2020.05.011

Structural Parameter Match and Design of Common Rail Injector for Diesel Engine of Medium-Heavy Duty Vehicle

XU Wenyan,LIU Lifeng,REN Qingshuang,CHENG Xiuwei,WANG Xulan,WANG Shangxue

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Abstract

The match and design of structural parameters for common rail injector were conducted based on onedimensional simulation and orthogonal test design principle in order to solve the problems of difficult injector design due to many parameters and their interrelation. The new designed common rail injector was further verified by high pressure common rail bench test and engine performance test. Accordingly, the designed fuel injector can meet the performance requirements of engine.

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diesel engine / common rail injector / simulation / orthogonal test

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XU Wenyan,LIU Lifeng,REN Qingshuang,CHENG Xiuwei,WANG Xulan,WANG Shangxue. Structural Parameter Match and Design of Common Rail Injector for Diesel Engine of Medium-Heavy Duty Vehicle[J]. Vehicle Engine. 2020, 0(5): 66-72 https://doi.org/10.3969/j.issn.1001-2222.2020.05.011