In this paper a method of DPF(Diesel Particulate Filter) lifetime estimation against the thermal stress is presented. In the method, experimentally measured material fatigue property and DPF temperature distributions under various conditions including regeneration mode were used to perform FEM stress analyses and the estimation of DPF lifetime and allowable stresses.From the viewpoint of the system design, to prevent DPF damages such as cracks created through thermal stress or melting, controlling the amount of PM accumulation is important. In this study, the pressure difference behavior under each of PM accumulation mode and regeneration mode was investigated experimentally. The experimental results showed different pressure drop behaviors in accumulation and regeneration. DPFs were observed in detail after PM accumulation and during regeneration to discuss mechanisms of the pressure difference behavior.


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    Titel :

    Study on Reliability of Wall-Flow Type Diesel Particulate Filter


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Miyazaki, Makoto (Autor:in) / Miwa, Shinichi (Autor:in) / Kuki, Tatsuyuki (Autor:in) / Kasai, Yoshiyuki (Autor:in) / Miyairi, Yukio (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    08.03.2004




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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