In order to reduce fine particle emission, a diesel particulate filter (DPF) has begun to be equipped to a diesel engine. During regeneration of DPF, nanoparticles are known to be formed downstream of DPF. VOCs emission during regeneration is of interest in view of toxicity and formation mechanism of nanoparticles. A heavy duty diesel engine equipped with DPF was investigated to measure particle and VOCs emissions using PTR-TOFMS (Proton Transfer Reaction - Time of Flight Mass Spectrometer). PTR-TOFMS is a new on-line mass spectrometer using chemical ionization and its application to engine exhaust measurements is new. During active regeneration of the DPF, fine particle emission was increased by nucleation. But VOCs as well as THC emissions increased prior to particle increase. After the regeneration the particle and VOCs emissions decreased immediately to the level of normal operation.


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    Titel :

    Transient Behavior of VOCs Emission and Particle Size Distribution during Active Regeneration of Diesel Particulate Filter Equipped Diesel Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Satou, Kaoru (Autor:in) / Shibata, Keiko (Autor:in) / Enya, Kenji (Autor:in) / Yanagisawa, Nobuhiro (Autor:in)

    Kongress:

    SAE International Powertrains, Fuels and Lubricants Meeting ; 2011



    Erscheinungsdatum :

    30.08.2011




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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