Heavy Duty Vehicle (HDV) Diesel emission regulations are set to be tightened in the future. The introduction of PN PEMS testing for Euro VI-e, and the expected tightening of PM/NOx targets set to be introduced by CARB in the US beyond 2024 are expected to create challenging tailpipe PN conditions for OEMs. Additionally, warranty and the useful life period will be extended from current levels. Improved fuel efficiency (reduction of CO2) also remains an important performance criteria. Furthermore, future non-road diesel emission regulations may follow tighten HDV diesel emission regulations contents, and non-road cycles evaluation needs to be considered as well for future. In response to the above tightened regulation, for Diesel Particulate Filter (DPF) technologies will require higher PN filtration performance, lower pressure drop, higher ash capacity and better pressure drop hysteresis for improved soot detectability. Additionally, thermal management of aftertreatment system has become increasingly important for NOx conversion performance improvement. Lower heat mass DPF is desired to prevent significant heat loss toward downstream SCR components in the aftertreatment system. To satisfy these requirements, a next generation Cordierite-DPF has been developed, which combines pore structure that enables high PN filtration performance while improving pressure drop hysteresis and geometric structure that achieves low pressure drop, high Ash capacity and low heat capacity. This paper investigates the development of the DPF, compares its performance in both the laboratory and on engine bench. Results of simulations to validate the performance of the base material are presented to confirm the findings of the engine and lab testing.


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    Titel :

    Next Generation Diesel Particulate Filter for Future Tighter HDV/NRMM Emission Regulations


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kaneda, Atsushi (Autor:in) / Vogt, Claus Dieter (Autor:in) / Kato, Kyohei (Autor:in) / Mishina, Ritsuko (Autor:in) / Honda, Takahiro (Autor:in) / Aoki, Takashi (Autor:in) / Kurimoto, Yudai (Autor:in)

    Kongress:

    WCX SAE World Congress Experience ; 2022



    Erscheinungsdatum :

    2022-03-29




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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