Catalysts and filters continue to be applied widely to meet particulate matter regulations across new and retrofit diesel engines. Soot management of the filter continues to be enhanced, including regeneration methodologies. Concerns regarding in-cylinder post-injection of fuel for active regeneration increases interests in directly injecting this fuel into the exhaust. Performance of secondary fuel injection layouts is discussed, and sensitivities on thermal uniformity are measured and analyzed, providing insight to packaging challenges and methods to characterize and improve application designs. Influences of end cone geometries, mixers, and injector mounting positions are quantified via thermal distribution at each substrate's outlet. A flow laboratory is applied for steady state characterization, repeated on an engine dynamometer, which also provides transient results across the NRTC. An example of an installed system on a hydraulic excavator is provided, as well as recommendations for further studies.


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    Titel :

    Secondary Fuel Injection Layout Influences on DOC-DPF Active Regeneration Performance


    Weitere Titelangaben:

    Sae Int. J. Commer. Veh


    Beteiligte:
    Kotrba, Adam (Autor:in) / Brockman, Alan (Autor:in) / Mikovits, Alan (Autor:in) / Butzke, Gary L. (Autor:in) / Leudeke, Matthew (Autor:in) / Martin, Scott (Autor:in) / Richey, Zack (Autor:in)

    Kongress:

    SAE 2013 Commercial Vehicle Engineering Congress ; 2013



    Erscheinungsdatum :

    2013-09-24


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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