Browse Publications Technical Papers 2007-01-0655

A New Design Concept for Metallic Diesel Particulate Filter Substrates 2007-01-0655

The work presented here describes the pre-development of a new diesel particulate filter that features an easy set-up. The system is based on a sintered metallic fibre fleece as filtering material. The filter set-up consists of a simple folded arrangement. In this folded configuration the entire filter structure can be set up without one single weld. In addition the filter concept offers a mass flow adapted cross section of the channels which allows very compact filters with a low pressure drop. Another development of the structure with a corrugated arrangement of the filtering walls results in an intensive mixing characteristic of the flow in the structure. By that a homogeneous temperature profile within the structure can be achieved which ensures homogeneous regeneration conditions throughout the structure and thereby avoids partial regenerations.


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