Abstract
Keywords:
Diesel Passenger Car, Engine, Catalyzed Particulate Filter, Soot Regeneration, Flow Resistance, Balance Point Temperature, Accumulated Soot Amount
Abstract
To meet EURO-IV/EURO-V regulation for diesel passenger car, catalyzed particulate filter (CPF) is the essential part of emission system. Several regeneration technologies for accumulated soot in CPF need to be implemented for diesel smoke filtration device. Currently, the most important parameter among them is the technique to predict the amount of accumulated soot in real time. It is the main key to define the regeneration term, point and period for the accumulated soot, simultaneously. C car, one of sample vehicles for this research, with the diesel particulate filter (DPF) was monitored for the period of three years. In addition, several vehicles equipped with Common Rail Direct Injection (CRDI) system was fitted with CPF and they were monitored continuously. A correlation between soot regeneration and an influence of the coated catalyst on DPF was investigated. An attempt to make CPF commercially available, this paper illustrated few real examples for the prediction of the amount of the accumulated soot and the regeneration strategy through the CPF fitted vehicles.