West Virginia University has designed and constructed a Transportable Heavy Duty Vehicle Testing Laboratory for measuring emissions from heavy duty vehicles, such as buses, and trucks, operating on conventional and alternative fuels. The laboratory facility can be transported to a test site located at, or nearby, the home base of the vehicles to be tested. The laboratory has the capability of measuring vehicle emissions as the vehicle is operated under either transient or steady state loads and speeds. The exhaust from the vehicle is sampled and the levels of the constituents of the emission are measured. The laboratory consists of two major units, a power absorber unit and an emissions measurement unit. The power absorber unit allows for the connection of a dynamic load to the drive train of the vehicle so that the vehicle can be 'driven' through a test cycle while actually mounted on a stationary test bed. The emissions unit contains instrumentation and equipment which allows for the dilution of the vehicle's exhaust with air. The diluted exhaust is sampled and analyzed to measure the concentration level of those constituents which have been identified as having an impact on the clean environment, such as carbon monoxide (CO), carbon dioxide (CO2), oxides of nitrogen (NOx), unburned hydrocarbons (HC), formaldehyde (HCHO), methane (CH4) and particulate matter.


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    Title :

    Design and construction of a transportable heavy duty vehicle emission testing laboratory


    Additional title:

    Entwicklung und Konstruktion einer mobilen Anlage zur Messung von Abgasemissionen schwerer Kraftfahrzeuge


    Contributors:
    Lyons, W. (author) / Bata, R.M. (author) / Wang, W.G. (author) / Clark, N. (author) / Palmer, G.M. (author) / Gautam, M. (author) / Howell, A.D. (author) / Loth, J. (author) / Long, T. (author)


    Publication date :

    1992


    Size :

    8 Seiten, 5 Bilder, 9 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Design and construction of a transportable heavy duty vehicle emission testing laboratory

    Lyons,D.W. / Bata,R.M. / Wang,W.G. et al. | Automotive engineering | 1992


    The First Transportable Heavy Duty Vehicle Emissions Testing Laboratory

    Howell, A. / Rapp, B. / Lyons (PI), D. et al. | SAE Technical Papers | 1991


    The first transportable heavy duty vehicle emissions testing laboratory

    Bata,R. / Clark,N. / Gautam,N. et al. | Automotive engineering | 1991