This is the fourth in a series of tests conducted as a Coordinating Research Council cooperative program to evaluate the measurement methods used to analyze diesel exhaust gas constituents. A multi-cylinder engine was circulated to 15 participants who measured emissions at three engine conditions. All 15 participants measured nitric oxide and carbon monoxide with several laboratories measuring nitric oxide by both NDIR (Non-Dispersive Infrared) and CHEMI (Chemiluminescence). Some participants also measured carbon dioxide, nitrogen dioxide, oxygen, and unknown span gases. The test results are compared with the Phase III cooperative tests which involved simultaneous measurement of emissions by participants. The precision of the results was poorer in Phase IV than Phase III.


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    Title :

    Cooperative Evaluation of Techniques for Measuring Nitric Oxide and Carbon Monoxide (Phase IV Tests)


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1975 Automotive Engineering Congress and Exposition ; 1975



    Publication date :

    1975-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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