Particulate Control Systems for Diesel Engines Using Catalytically Coated and Uncoated Traps with Consideration of Regeneration Techniques 830087

Basic investigations of the particulate control system projects for VW and Audi diesel engines are summarized. A screening test procedure to evaluate the particulate concepts is developed and the significant assessment criteria are defined. The storage and regeneration characteristics as well as balance temperatures, introduced with this paper, are applied to various uncoated and catalytically coated filters. This paper discusses also the parameter studies for uncoated filters.
A survey of regeneration techniques and individual regeneration methods is given with energy consideration and fuel consumption effects. After establishing the current stage, the priorities for further technical development work are set and the problem areas throughout the particulate control field are demonstrated.
Cost-benefit in applicability for production use is considered.


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