A study on the PM emission characteristics of light diesel vehicle equipped with DPF

作者：Xu Yueyun^*; Li Mengliang; Fang Maodong; Hou Xianjun

来源：Qiche Gongcheng/automotive Engineering, 2010, 32(12): 1030-1032+1037.

• Before and after
• Diesel particulate filters
• Diesel vehicles
• Filtration efficiency
• High sulfur contents
• Low pressure impactor
• Low sulfur content
• Mass concentration
• Number concentration
• Particulate matter emissions
• PM emissions

Using electronic low pressure impactor (ELPI), the particulate matter (PM) emission and its size distribution of both number concentration and mass concentration in diesel vehicle with diesel particulate filter (DPF) when using different fuels, and before and after DPF are studied respectively. The results show that both number and mass of PM emission when vehicle using high sulfur content fuel are more than that when vehicle using low sulfur content fuel. But after DPF both number and mass of PM greatly reduce, in particular for PM with a size larger than 0.04 μm no matter which fuel is used. The efficiency of DPF when vehicle using low sulfur content fuel is higher than that when vehicle using high sulfur content fuel.

• 出版日期2010