The common rail injector has become an essential part of modern diesel engine, and it is important to study the its working characteristics. Through the mathematical modeling of the main structure of the common rail injector, the structural parameters affecting the injection characteristics and leakage characteristics of the injector were obtained. The working process of common rail injector was analyzed by AMESim, and the influence of individual structure parameters on injection rate and leakage rate was obtained. The orthogonal test was carried out by choosing the reasonable range of the structural parameters, comprehensive balance method was adopted to evaluate the indexes. The optimum structure parameters are obtained, and the optimized scheme has obvious effect in improving injection rate of injector and reducing the leakage.
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张勇,蒙国尤,肖怡,汪宇航,赵晋.共轨喷油器参数优化研究[J].机床与液压,2019,47(9):156-161. . Optimization Study of Common Rail Injector on Parameters[J]. Machine Tool & Hydraulics,2019,47(9):156-161