摘要
建立了用于模拟车辆实际运行状况的汽油发动机尾气排放实验测试系统,模拟荣光6450B微型车的不同行驶工况,对其主要有害排放物HC、CO、NOx进行采样,并对各排放物与行驶工况相对应的排放趋势及原因进行了分析。分析结果表明,不同行驶工况和行驶状态对HC、CO和NOx的排放影响较大,各行驶工况中,怠速、加速及减速比例越高,各有害气体的排放越高;当行驶工况匀速比例较高时,排放相对较低。
The gasoline engine exhaust emission test system of simulating the vehicle actual operation situation is set up, dif- ferent driving modes of glory 6450B is simulated, and the main harmful emissions of HC, CO and NOx are sampled, finally, the corresponding emission trends and their causes of various emissions in different conditions are analyzed. The analysis results show that the different road conditions and status have great influence on emissions of HC, CO and NOx, in all driving condition, the higher the proportion of idle speed, acceleration and deceleration the higher the harnfful gas emissions ; When the condition of u- niform speed ratio is higher, the emissions are relatively low.
出处
《内蒙古公路与运输》
2014年第1期62-64,共3页
Highways & Transportation in Inner Mongolia
关键词
轻型车
尾气排放
工况
light vehicle
exhaust emission
condition
