Diesel fueling and exhaust flow strategies are investigated to control the substrate temperatures of diesel aftertreatment systems. The fueling control includes the common-rail post injection and the external supplemental fuel injection. The post injection pulses are further specified at the early, mid, or late stages of the engine expansion stroke. In comparison, the external fueling rates are moderated under various engine loads to evaluate the thermal impact. Additionally, the active-flow control schemes are implemented to improve the overall energy efficiency of the system. In parallel with the empirical work, the dynamic temperature characteristics of the exhaust system are simulated one-dimensionally with in-house and external codes. The dynamic thermal control, measurement, and modeling of this research intend to improve the performance of diesel particulate filters and diesel NOx absorbers.


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    Titel :

    A Thermal Response Analysis on the Transient Performance of Active Diesel Aftertreatment


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ting, David S-K (Autor:in) / Wang, Dong (Autor:in) / Reader, Graham T (Autor:in) / Zuo, Jun (Autor:in) / Wang, Meiping (Autor:in) / Zheng, Ming (Autor:in) / Mulenga, Mwila C (Autor:in) / Kumar, Raj (Autor:in) / Asad, Usman (Autor:in)

    Kongress:

    Powertrain & Fluid Systems Conference & Exhibition ; 2005



    Erscheinungsdatum :

    2005-10-24




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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