【摘 要】
：
利用AMESim软件建立仿真模型,通过与试验数据对比,验证了仿真模型能够准确预测系统各工况的 喷射特性参数。通过仿真模型对低压供油压力、凸轮型线速度、柱塞配合间隙、峰值控制电流、衔铁残余气隙、 阀芯配合间隙、阀芯升程、喷油器开启压力、流量系数和针阀升程等参数的波动对循环喷油量波动的影响进行 了详细的分析,得出各种参数对循环喷油量波动影响的百分比量化指标:随着凸轮转速从500 r/min增加到 1
【机 构】
：
大连理工大学内燃机研究所, 辽宁大连116024 成都威特电喷有限责任公司, 四川成都611731
论文部分内容阅读
利用AMESim软件建立仿真模型,通过与试验数据对比,验证了仿真模型能够准确预测系统各工况的 喷射特性参数。通过仿真模型对低压供油压力、凸轮型线速度、柱塞配合间隙、峰值控制电流、衔铁残余气隙、 阀芯配合间隙、阀芯升程、喷油器开启压力、流量系数和针阀升程等参数的波动对循环喷油量波动的影响进行 了详细的分析,得出各种参数对循环喷油量波动影响的百分比量化指标:随着凸轮转速从500 r/min增加到 1 300 r/min,喷油器特性参数影响从44％减小到34％ ,阀芯特性参数影响从20％增大到35％ ,柱塞特性参数 影响从32％减小到19％,低压供油特性参数影响从4％增大到12％。并且根据试验设计的方法,考虑交互作 用,进行了各种因数与循环喷油量之间的相关性分析,得出了各种因数和循环喷油量之间的相关系数,表明不 但参数的单因数和循环喷油量有相关性,参数交互作用因数和循环喷油量也有相关性。
其他文献
Adaptive rejection Metropolis sampling(ARMS)is one of the popular tools for solving many modern-day statistical,optimization and computational problems.
Peter Hall visited the Department of Statistics and Actuarial Science,University of Hong Kong almost annually since the late nineties of the last century.In memorizing this great colleague we will rev
When establish an effective treatment using binary data from a two-stage design,one-sided tests for a proportion p are employed.
Combining datasets collected from similar studies becomes increasingly popular in biomedical research to achieve larger sample sizes and greater statistical power.
Remote sensing images from Earth-orbiting satellites are a potentially rich data source for monitoring atmospheric health hazards that cover large geographic regions.
The Zero-inflated Poisson model is used to fit the counting data that contain excess zeros.This article mainly discusses the situation that the mean parameter of Poisson distribution is assumed to be
Randomized controlled trials(RCT)have been the gold standard for demonstrating relative treatment efficacy.