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TAN Pi-qiang, LI Jie, HU Zhi-yuan, LOU Di-ming. Emission characteristics of diesel bus burning different alternative fuels[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 63-69. doi: 10.19818/j.cnki.1671-1637.2013.04.010
Citation: TAN Pi-qiang, LI Jie, HU Zhi-yuan, LOU Di-ming. Emission characteristics of diesel bus burning different alternative fuels[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 63-69. doi: 10.19818/j.cnki.1671-1637.2013.04.010
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Emission characteristics of diesel bus burning different alternative fuels

doi: 10.19818/j.cnki.1671-1637.2013.04.010

  • School of Automobile, Tongji University, Shanghai 201804, China

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  • Author Bio:

    TAN Pi-qiang(1974-), male, associate professor, PhD, +86-21-69589981, tanpq@hotmail.com

  • Received Date: 2013-02-05
  • Publish Date: 2013-08-25
    Abstract
  • The gaseous emissions of diesel bus fueled with pure diesel fuel, gas-to-liquid(GTL)fuel and biodiesel fuel were studied by using OBS-2200 gaseous portable emission measurement system on arterial road, residential road and elevated road. Analysis result shows that the on-road transient mass emission rates of CO, NOx, HC and CO2 have good following performance with the transient change of vehicle speeds. The mass emission rates of gaseous pollutants from the bus burning alternative fuels show a total ascending tendency with increasing vehicle speed. The mass emission rates of HC and CO2 almost linearly increase with ascending vehicle speed, while CO and NOx emissions firstly increase with the speed increasing in low and medium vehicle speed ranges, and then decrease with the speed increasing in high vehicle speed range. Compared to arterial road and residential road, the emission factors of the bus burning alternative fuels on elevated road are the lowest. Compared to pure diesel fuel, the emission factors and mass emission rates of CO and HC from the bus burning biodiesel fuel and GTL fuel decline, and for biodiesel fuel, the decreasing range is greater. The average emissions of CO and HC from the bus burning pure biodiesel fuel on the whole test roads are the lowest. Compared to pure diesel fuel, NOx emissions from the bus burning pure biodiesel fuel are higher on all roads. CO2 emissions of the bus burning pure GTL fuel, GTL fuel with 20% blend ratio and biodiesel fuel with 20% blend ratio are respectively lower than the emission for pure diesel fuel, but CO2 emission of the bus burning pure biodiesel fuel is slightly higher than the emission for pure diesel fuel.

     

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