车用柴油机氧化催化转化器的试验研究

Experimental Research on Vehicle Diesel Oxidation Catalyst Converter

对车用柴油机氧化催化转化器进行了发动机台架试验研究。结果表明,加装氧化催化转化器后,柴油机烟度、CO,HC和PM排放显著降低,对其动力性能、经济性能和NOx排放影响则很小。分别燃用含硫体积分数不大于500×10-6和350×10-6两种柴油的结果表明,燃油硫含量对氧化催化转化器的性能有一定的影响。

The performance of vehicle diesel oxidation catalyst converter was researched through the experiment. The results show, with the oxidation catalyst converter, the smoke and the CO, HC and PM emissions are obviously reduced, while the dynamic performance, economic performance and NOx emissions are little affected. It is proved for further that the sulfur content has a certain influence on the performance of diesel oxidation catalyst converter by the experiment that two kinds of fuel with not more than 500× 10^-6 and 350× 10^-6 sulfur content were fueled with.