Numerical Analysis of Gas Flow Characteristics in Intake and Exhaust Systems of Vehicle Three-cylinder Gasoline Engine
Author(s): DENG Kang-yao, FANG Shi-ying, ZHU Yi-lun, CUI Jing
Pages: 14-17
Year: 2000 Issue: 6
Journal: VEHICLE ENGINE
Keyword: 汽油机; 进排气管; 流动; 计算分析;
Abstract: 采用一维非定常流动计算模型和程序,对车用3缸汽油机的不同进排气系统流动特性进行了计算分析.计算结果表明,长进气支管的进气管比短进气支管的进气管的充量系数高,并阐明了其充气特性出现双峰现象的机理及主要影响因素,扩压型排气管和容器型排气管均有利于减少排气时的泵气损失.
Pages: 14-17
Year: 2000 Issue: 6
Journal: VEHICLE ENGINE
Keyword: 汽油机; 进排气管; 流动; 计算分析;
Abstract: 采用一维非定常流动计算模型和程序,对车用3缸汽油机的不同进排气系统流动特性进行了计算分析.计算结果表明,长进气支管的进气管比短进气支管的进气管的充量系数高,并阐明了其充气特性出现双峰现象的机理及主要影响因素,扩压型排气管和容器型排气管均有利于减少排气时的泵气损失.
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