Current wisdom acknowledges that emissions from an engine used in over-the-road vehicles should employ a test incorporating transient engine speeds and load. It is well documented that a sudden increase in engine load is characterized by an increase in hydrocarbon emissions. The objective of this paper is to present a method for developing a chassis test for a specific and typical class of vehicles which will mirror the Federal Test Procedure (FTP) as closely as possible for purposes of emissions measurement. Emphasis will be placed on development of a preliminary heavy-duty chassis cycle for specific over-the-road class 8 trucks which will reflect the FTP currently imposed on heavy duty diesel engines.


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    Title :

    Transient chassis cycles for heavy duty trucks and tractors


    Additional title:

    Wechselbeanspruchungs-Testzyklus für Rollstandsprüfungen von Schwerlastkraftfahrzeugen


    Contributors:
    Clark, N. (author) / McKain, D. (author)

    Published in:

    Heavy Vehicle Systems ; 2 , 2 ; 143-159


    Publication date :

    1995


    Size :

    17 Seiten, 14 Bilder, 1 Tabelle, 6 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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