Spatial Non-Uniformities in Diesel Particulate Trap Regeneration Michigan Technological Univ

Format:

Conference/Event

Author/Creator:

Konstandopoulos, Athanasios G., author.

Conference Name:

SAE 2001 World Congress (2001-03-05 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2001

Summary:

Diesel particulate trap regeneration is a complex process involving the interaction of phenomena at several scales. A hierarchy of models for the relevant physicochemical processes at the different scales of the problem (porous wall, filter channel, entire trap) is employed to obtain a rigorous description of the process in a multidimensional context. The final model structure is validated against experiments, resulting in a powerful tool for the computer-aided study of the regeneration behavior. In the present work we employ this tool to address the effect of various spatial non-uniformities on the regeneration characteristics of diesel particulate traps. Non-uniformities may include radial variations of flow, temperature and particulate concentration at the filter inlet, as well as variations of particulate loading. In addition, we study the influence of the distribution of catalytic activity along the filter wall. Despite the complexity of the process and the many factors that influence it, the computational tools developed make it feasible to undertake a systematic optimization of these factors for the development of the next generation of diesel particulate trap systems

Notes:

Vendor supplied data

Publisher Number:

2001-01-0908

Access Restriction:

Restricted for use by site license