喷油孔直径对机车柴油机排放的影响  

Influence of different nozzle orifice diameter on locomotive diesel engine emissions

作　　者：金旭 JIN Xu(Dalian CRRC Diesel Engine Co.,Ltd.,Dalian 116023,China)

机构地区：[1]大连中车柴油机有限公司,辽宁大连116023

出　　处：《铁道机车与动车》2024年第6期22-24,31,I0001,共5页Railway Locomotive and Motor Car

摘　　要：柴油发动机素以其良好的高性能被广泛地应用于各类机械装置。柴油机排放的有害物最主要的是PM及NOx。研究表明,喷油孔直径的大小对于柴油机的燃烧和排放有重要影响。文章通过安装不同喷油孔直径的喷油器,测量柴油机尾气排放量的变化,以深入研究喷油孔的直径对机车用柴油机排放量的具体影响。Diesel engines are widely used in various mechanical devices due to their excellent high performance.The main harmful substances emitted by diesel engines are PM and NOx.According to research,the size of the nozzle orifice diameter has a significant impact on the combustion and emissions of diesel engines.In this article,the changes in diesel engine exhaust emissions were measured by installing the different nozzle hole size injectors to deeply study the specific impact of nozzle orifice diameter on locomotive diesel engine emissions.

关 键 词：柴油机 喷油孔 排放 烟度 

分 类 号：U262[机械工程—车辆工程]