柴油机相继增压匹配仿真分析  

Simulation Analysis on Sequential Turbocharging of Diesel Engine

作　　者：张广西 史玉梅 杨豫魁 刘晓梅 ZHANG Guangxi;SHI Yumei;YANG Yukui;LIU Xiaomei(State Key Laboratory of Engine Reliability,Weifang 261061,China;Weichai Power Co.,Ltd.,Weifang 261061,China)

机构地区：[1]内燃机可靠性国家重点实验室,山东潍坊261061 [2]潍柴动力股份有限公司,山东潍坊261061

出　　处：《内燃机与动力装置》2019年第5期68-74,80,共8页Internal Combustion Engine & Powerplant

基　　金：国家重点研发计划课题(2017YFC0211305)

摘　　要：基于某款16缸V型发动机进行稳态工况下相继增压器匹配,同时研究瞬态工况下空气阀相对燃气阀开启延迟时间、燃气阀和空气阀从开始开启到关闭持续周期及阀位置对性能的影响。匹配研究表明:压端阀相对涡端阀开启延迟越短,压力恢复越快,下降的幅度越小;燃气阀和空气阀从开始打开到全关的持续期越短,压力下降越低,压力恢复越快。Based on a 16-cylinder V-type engine,the matching of sequential turbocharging under steady-state conditions was carried out,and the influences of air valve opening delay time relative to gas valve opening,gas valve and air valve opening and closing duration and valve position on performance under transient conditions are studied.The matching study shows that the shorter the opening delay of the air valve relative to the gas valve,the faster the pressure recovered and the smaller the descending.The shorter the lifting of gas valve and air valve,the lower the pressure drop and the faster the pressure recovered.

关 键 词：相继增压 空气阀 燃气阀 延迟时间 

分 类 号：TK421.8[动力工程及工程热物理—动力机械及工程]