A simple, inexpensive, critical flow blender has been developed for filling a tedlar bag with controllable concentrations of HC, NOx, CO2, and CO gases at levels encountered in automobile emissions testing. According to a daily schedule, a technician takes the bag to all analyzer sites in the laboratory for analysis. The concentrations indicated by each site are compared to the overall averages.The results are stored in a computerized data base from which control charts, statistical analyses, and interpretations of significant differences among test sites can be made.The precision, accuracy, and statistical interpretations of the data are discussed.


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    Titel :

    A Quality Control Technique for Correlating Exhaust Gas Analysis Systems


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Don Paulsell, C. (Autor:in) / Keller, John (Autor:in)

    Kongress:

    1977 International Automotive Engineering Congress and Exposition ; 1977



    Erscheinungsdatum :

    01.02.1977




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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