Diesel bus emissions of submicrometer particles measured in a tunnel study
He, Congrong, Jamriska, Milan, Morawska, Lidia, & Thomas, Stephen (2003) Diesel bus emissions of submicrometer particles measured in a tunnel study. In Winch, B (Ed.) Proceedings of National Clean Air Conference, 23-27 November 2003, Newcastle City Hall, New South Wales.
The emission factors of a bus fleet consisting of approximately three hundreds diesel powered buses were measured in a tunnel study under well controlled conditions during a two-day monitoring campaign in Brisbane. The number concentration of particles in the size range 0.017-0.7 m was monitored simultaneously by two Scanning Mobility Particle Sizers located at the tunnel’s entrance and exit. The mean value of the number emission factors was found to be (2.44±1.41)×1014 particles km-1. The results are in good agreement with the emission factors determined from steady-state dynamometer testing of 12 buses from the same Brisbane City bus fleet, thus indicating that when carefully designed, both approaches, the dynamometer and on-road studies, can provide comparable results, applicable for the assessment of the effect of traffic emissions on airborne particle pollution.
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|Item Type:||Conference Paper|
|Keywords:||emission factor, submicrometer particles, bus fleet, tunnel study|
|Subjects:||Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2003 Please consult the authors.|
|Deposited On:||18 Jun 2009 00:25|
|Last Modified:||14 Mar 2011 16:05|
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