Noticeable levels of diesel smoke and odor both from two-cycle powered city buses and four-cycle powered intercity trucks were investigated. Field studies, development of facilities and procedures, study of vehicle variability, and investigation of two techniques for smoke reduction were included. Results of field studies indicated that the two-cycle powered bus odor and smoke were grossly different from the four-cycle powered truck. Resonable atmospheric dilution levels from a typical horizontal bus exhaust were found. The odor measurement method involved simultaneous exposure of a panel of ten persons to a dynamically diluted sample of diesel exhaust. Utilizing various measurement methods, chassis dynamo-meter, panel, and smokemeter procedures were developed for the city bus and for the intercity tractor. (Author)


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    Title :

    An Investigation of Diesel Powered Vehicle Odor and Smoke. Part I


    Contributors:

    Publication date :

    1967


    Size :

    647 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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