Browse Publications Technical Papers 2004-01-0073
2004-03-08

Performances and Durability of DPF (Diesel Particulate Filter) Tested on a Fleet of Peugeot 607 Taxis: Final results 2004-01-0073

In order to asses the durability of DPF, a study has been performed in order to study the evolution of several taxis (Peugeot 607) and the performance of this after-treatment systems over 80,000 km mileage in hard urban driving conditions, which corresponds to the recommended mileage before the first DPF maintenance (this periodicity is applied on the first generation of DPF technology launched in 2000).
More specifically, the following evaluations are being performed at regular intervals (around 20 000 km):
  • Regulated gaseous pollutant emissions on NEDC cycle (New European Driving Cycle)
  • Particulate emissions, by mass measurement on NEDC but also by particle number and size measurement with SMPS (Scanning Mobility Particle Sizer) technique on NEDC and on unconventional steady-state running points.
  • Unregulated pollutant emissions (hydrocarbons speciation C1-C13, oxygenated compounds)
The same test protocol has been led on 2 vehicles of the same range of size but without DPF in order to evaluate precisely the potential impact of DPF technology on pollutant emissions and fuel consumption.
The results obtained after 80,000 km have not shown any degradation of the particulate filter performance. This paper presents the final results of this study in order to demonstrate the durability of DPF in hard running conditions.

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