Diesel engine particulates collected on a trap cause the exhaust back pressure to increase and adversely affect fuel economy and vehicle performance. Therefore, a trap must be periodically regenerated by oxidizing the collected particulates. Several techniques for regenerating a Diesel particulate trap are discussed. Regeneration was achieved with high speed and high load engine operation. Lead, added to the Diesel fuel, acted as a catalyst and reduced the ignition temperature of particulates collected on a trap by about 300°F. Throttling the intake air flow increased exhaust temperature to facilitate regeneration at moderate vehicle speeds. An externally fueled burner provided regeneration over the widest range of engine operating conditions, including idle.


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    Title :

    Diesel Particulate Trap Regeneration Techniques


    Additional title:

    Sae Technical Papers


    Contributors:
    White, J. E. (author) / Florek, J. J. (author) / Wade, W. R. (author)

    Conference:

    SAE International Congress and Exposition ; 1981



    Publication date :

    1981-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Diesel Particulate Trap Regeneration Techniques

    Wade,W.R. / White,J.E. / Florek,J.J. et al. | Automotive engineering | 1981



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