Modern diesel aftertreatment systems may produce ammonia (NH3), especially in gas samples from midbed locations. NH3 causes significant measurement errors in NO, NO2, and NOx measurements for several NOx measurement technologies.A standard addition test was run adding NO, NO2, and/or NH3 to a diesel engine exhaust. Chemiluminescent (CLD), FTIR, and chemical ionization mass spectrometer (CIMS) instruments were used in a designed experiment.None of the instruments gave accurate, robust NOx measurement in the presence of high levels of NH3.


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    Titel :

    NOx Measurement Errors in Ammonia-Containing Exhaust


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Gierczak, Christine (Autor:in) / Montreuil, Cliff (Autor:in) / Hoard, John (Autor:in) / Xu, Lifeng (Autor:in) / Snow, Rachel (Autor:in) / Hammerle, Robert (Autor:in) / Farooq, S. Iskander (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    2007-04-16




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    NOx Measurement Errors in Ammonia-Containing Exhaust

    Hoard, J. / Snow, R. / Xu, L. et al. | British Library Conference Proceedings | 2007


    NOx measurement errors in ammonia-containing exhaust

    Hoard,J. / Snow,R. / Xu,L. et al. | Kraftfahrwesen | 2007


    2007-01-0330 NOx Measurement Errors in Ammonia-Containing Exhaust

    Hoard, J. / Snow, R. / Xu, L. et al. | British Library Conference Proceedings | 2007


    Time-resolved ammonia measurement in vehicle exhaust

    Mohn, Joachim / Forss, Anna-Maria / Bruhlmann, Stefan et al. | Tema Archiv | 2004


    Ammonia into auto exhaust

    Harkins, J.H. / Nicksic, S.W. | Engineering Index Backfile | 1967