A commercial PEMS, the SemtechD, was evaluated for its suitability to measure transient emissions from light-duty, oxidation catalyst equipped, diesel passenger cars. The PEMS was evaluated for its analytical capabilities in a state-of-the-art chassis dynamometer test facility. The system, manufactured by Sensors, Inc of Saline, MI, proved to be both accurate and precise. The SemtechD proved capable of measuring THC concentrations (FID-based measurement) as low as 2 ppmC with measurements on average within 4.5% of those reported by modal test cell instrumentation. Similarly, both CO and NOx measurements fell within 9% and 3% of the values reported (respectively) by modal test cell analyzers. Finally, modal CO2 agreed within 2.6% of the two measurement systems across eleven vehicle tests and with more than 6000 data points compared.


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    Titel :

    SemtechD: The Chassis Roll Evaluation of a Commercial Portable Emission Measurement System (PEMS)


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Colvin, Alex (Autor:in) / Gierczak, Christine (Autor:in) / Butler, James W. (Autor:in) / Dearth*, Mark A. (Autor:in) / Kaberline, Steve (Autor:in) / Korniski, Tom (Autor:in)

    Kongress:

    SAE 2005 World Congress & Exhibition ; 2005



    Erscheinungsdatum :

    11.04.2005




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :