Browse Publications Technical Papers 2004-01-0159
2004-03-08

Soot Regeneration Model for SiC-DPF System Design 2004-01-0159

The Diesel Particulate Filter (DPF) system has been developed as one of key technologies to comply with tight diesel PM emission regulations. For the DPF control system, it is necessary to maintain temperature inside the DPF below the allowable service temperature, especially during soot regeneration to prevent catalyst deterioration and cracks. Therefore, the evaluation of soot regeneration is one of the key development items for the DPF system. On the other hand, regeneration evaluation requires a lot of time and cost since many different regeneration conditions should be investigated in order to simulate actual driving. The simulation tool to predict soot regeneration behavior is a powerful tool to accelerate the development of DPF design and safe regeneration control strategies.
This paper describes the soot regeneration model applied to fuel additive and catalyzed types, and shows good correlation with measured data. DPF fundamental design has been optimized with this simulation model. Furthermore, this model enabled the development of safe soot regeneration conditions by investigating the impact of engine control conditions.

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