发动机燃油经济性的灵敏度分析  

Analysis on the Sensitivity of Engine Fuel Economy

作　　者：胡亚楠[1] 

机构地区：[1]辽宁石油化工大学机械工程学院,抚顺113001

出　　处：《科学技术与工程》2011年第15期3600-3602,共3页Science Technology and Engineering

摘　　要：利用GT-POWER软件,建立发动机工作过程模型。对点火提前角、进气门迟闭角及空燃比耦合作用下发动机的工作过程进行优化计算,得出三个参数耦合作用下的的最低油耗率。对各参数进行灵敏度分析,得出三个参数中空燃比对油耗率的影响最大。The working process model of an engine is established by using the software GT-POWER.An optimized calculation,which is carried out under the coupling influences of the spark angle,the intake valve close angle and the air-fuel ratio,is made and the lowest fuel consumption rate is got.At last the sensitivity of each parameter is analyzed,from which know that the air-fuel ratio is much more important than the other two parameters.

关 键 词：数值模拟 燃油经济性 灵敏度分析 

分 类 号：U464.123[机械工程—车辆工程]