某柴油机怠速燃烧噪声的试验研究  

Experimental Study of a Diesel Engine Idle Combustion Noise

作　　者：王金立[1] 李凯[1] 张立庆[1] 王超[1] 

机构地区：[1]安徽江淮汽车股份有限公司

出　　处：《内燃机与配件》2016年第3期13-17,共5页Internal Combustion Engine & Parts

摘　　要：针对某柴油机怠速工况的燃烧噪声进行了试验研究,通过调整轨压、喷射模式、提前角、预喷量和预喷间隔等5个影响燃烧的标定参量,测试了不同状态的燃烧压力和排放烟度,通过缸压数据计算得到燃烧噪声,分析了各标定参量对燃烧噪声的影响,同时考虑排放烟度,给出了怠速燃烧噪声最优的标定参量组合,确定了对燃烧噪声影响较大的标定参量,为后期全MAP优化燃烧噪声提供方向和参考。Research of idle combustion noise has been studied on a diesel engine. Different cylinder pressure and smoke had been measured by adjusting CR pressure, ignition mode, pre -injection angle, pre - injection mass and the pre - injection interval, then the combusiton noise was calculated by cylinder pressure, Influence of calibration variables on combustion noise and smoke has been analysised, finally defined the optimized calibration variables, giving the direction of the combustion noise calibration in total MAP.

关 键 词：燃烧噪声 轨压 喷射模式 提前角 预喷量 预喷间隔 

分 类 号：TK421.2[动力工程及工程热物理—动力机械及工程]