范立云,王广泽,李美斯,等.基于响应面的甲醇喷射器动作响应参数优化设计[J].内燃机工程,2025,46(4):97-107.
基于响应面的甲醇喷射器动作响应参数优化设计
Optimization Design of Methanol Injector Action Response Parameters Based on Response Surface
DOI：10.13949/j.cnki.nrjgc.2025.04.011
关键词:甲醇  喷射器  结构参数  响应特性  方差分析  优化设计
Key Words:methanol  injector  structural parameter  response characteristic  analysis of variance  optimization design
基金项目:
作者单位E-mail
范立云* 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 fanliyun@hrbeu.edu.cn 
王广泽 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 147314864@qq.com 
李美斯 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 1209293071@qq.com 
礼博 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 libo2022@hrbeu.edu.cn 
董伟杰 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 602334972@hrbeu.edu.cn 
李屿明 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001 1726411264@qq.com 
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摘要:为提高甲醇喷射器的响应特性，基于AMEsim液力仿真平台搭建了甲醇喷射器的一维仿真模型，通过对控制柱塞直径、针阀弹簧预紧力、喷孔直径和进回油节流孔等结构参数的单因素分析，探究了结构参数对喷射器响应特性的影响规律。采用响应面优化方法，通过试验设计对参数及其交互作用结果进行优化。结果表明：改变回油节流孔直径对喷射器开启响应的影响最为显著，改变进油节流孔直径对喷射器关闭响应的影响最为显著。在综合考虑了所有参数后，确定了最优参数配置：控制柱塞直径为8.8 mm，针阀弹簧预紧力为599.972 N，进油节流孔直径为0.31 mm，回油节流孔直径为0.55 mm，喷孔直径为0.86 mm。在这一参数配置下，甲醇喷射器的响应特性得到了显著提升，相比原始状态，优化设计后的开启响应时间缩短28.7%，关闭响应时间缩短21.1%。
Abstract:In order to improve the response characteristics of the methanol injector， a one-dimensional simulation model of the methanol injector was built based on the AMEsim hydraulic simulation platform. Through the single factor analysis of the structural parameters such as the diameter of the control plunger， the preload force of the needle valve spring， the diameter of the spray hole， and the inlet and return oil throttling holes， the influences of the structural parameters on the response characteristics of the injector was researched. The parameters and their interaction were optimized by variance analysis using design of experiment method. The results show that changing the diameter of the return oil orifice has the most significant effect on the injector opening response， while changing the inlet oil orifice diameter has the most significant effect on the injector closing response. After comprehensive consideration of all parameters， the optimal parameter configuration is determined. The diameter of the control plunger is 8.8 mm. The pre-tightening force of the needle valve spring is 599.972 N. The diameter of the oil inlet orifice is 0.31 mm. The oil return orifice is 0.55 mm， and the diameter of the jet orifice is 0.86 mm. With this parameter configuration， the response characteristics of the methanol injector are significantly improved. And the opening response time and closing response time of the optimized design reduced by 28.7% and 21.1%， respectively， compared with the original state.
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