内燃机工程2017，Vol.38Issue(2)：67-72,6.DOI:10.13949/j.cnki.nrjgc.2017.02.012
DOC对柴油机颗粒物排放影响的试验研究
Experimental Investigation on the Influence of DOC on Diesel Engine Particle Emission
摘要
Abstract
Based on diesel engine bench test, a DOC device was added on a diesel engine to analyze the particle number concentration and the variation trend of both SOF content and activation energy of particles before and after the DOC device.Results show that the DOC device can reduce the nucleation mode particle number concentration and the accumulation mode particle number concentration, but with the increase of torque, the DOC device will increase the accumulation mode particle number concentration.The effect of DOC on the total particle number concentration shows a trend of decreasing first and then increasing with the increase of torque.The DOC device can reduce the content of SOF component and increase the apparent oxidation activation energy of particles under the conditions of torque of 50 N·m and 100 N·m.In addition, the apparent oxidation activation energy of exhaust particles shows a decreasing trend as a whole with the increase of SOF content.关键词
DOC/柴油机颗粒/颗粒数量浓度/SOF含量/表观活化能Key words
DOC/diesel particulate/particle number concentration/SOF concentration/intrinsic activation energy分类
能源科技引用本文复制引用
孟忠伟,张川,李路,张文强,陈超..DOC对柴油机颗粒物排放影响的试验研究[J].内燃机工程,2017,38(2):67-72,6.基金项目
国家自然科学基金项目(51106130) （51106130）
教育部"春晖计划"合作科研项目(Z2014058) （Z2014058）
柴油机燃料电控系统及尾气后处理系统产业集群项目(成财教[2013]265) （成财教[2013]265）
四川省教育厅青年基金项目(12ZB138) （12ZB138）
西华大学重点科研基金项目(Z1120319) （Z1120319）
四川省重点科技项目(2011JYZ014) （2011JYZ014）
西华大学研究生创新基金项目(ycjj2015040) （ycjj2015040）
