摘要
为研究低温等离子体活性物质对柴油机有害排放物的去除效果,自行设计了介质阻挡放电型低温等离子体反应器。采用独立于柴油机排气管之外的低温等离子体喷射系统,研究其在不同的柴油机模拟排气温度下,对各排气成分的转化效果。研究结果表明:在低温等离子体环境下,NO主要转化为NO2;O3对NO和HC有较强的氧化作用;高温不利于NO的转化和O3的产生,但有利于HC的氧化,同时产生CO;温度和激励峰峰值电压的变化对CO2浓度基本没有影响。
In order to study the effect of non-thermal plasma（NTP） after-treatment system on removal of diesel engine harmful emissions,using the self-designed dielectric barrier discharge NTP reactor and a NTP injection system located outside diesel engine exhaust pipe,the removal efficiency of simulated diesel exhaust gas was studied at different temperatures.Results show that in NTP environment,NO is mainly converted into NO2,O3 has a strong oxidation effect to HC and NO,high temperature is not conducive to NO conversion and O3 production,however it can promote HC oxidation and producing CO,temperature and peak excitation voltage change hardly affect CO2 concentration.
出处
《内燃机工程》
EI
CAS
CSCD
北大核心
2011年第4期7-11,共5页
Chinese Internal Combustion Engine Engineering
基金
国家自然科学基金资助项目(50776041)
江苏省自然科学基金资助项目(BK2008225)
关键词
内燃机
柴油机
低温等离子体
介质阻挡放电
排放
IC engine
diesel engine
non-thermal plasma（NTP）
dielectric barrier discharge
emission
