Influence of Factors on Non-Exhaust PM Emissions from Motorcycle

Authors

  • Worawat Songkitti Mechanical Engineering, Faculty of Engineering, Kasetsart University
  • Sirasak Pong-a-mas Mechanical Engineering, Faculty of Engineering, Kasetsart University
  • Chalermpon Plengsa-ard Mechanical Engineering, Faculty of Engineering, Kasetsart University
  • Ekathai Wirojsakunchai Mechanical Engineering, Faculty of Engineering, Kasetsart University

Keywords:

Particulate Matter from motorcycle, Non-Exhaust PM Emissions, Real-time PM Measurement

Abstract

Over past several years, many countries all around the world have encountered air pollution problems.  PM (Particulate Matter) is one of the most problematic air pollutants that seriously harms human health and the environment.  The major source of PM emissions is from automobiles due to the combustion process emitted via tailpipe.  However, PM can also emit from non-exhaust sources, such as tyre wear, brake wear, and resuspension, which are referred to as non-exhaust PM emissions.  These types of PM are not only emitted from automobiles but also from motorcycles.  Based on statistics data from Department of Land Transport, it was shown that in 2019, Thailand had motorcycles registered about 62% of total registered vehicles. This research study is aimed on measuring non-exhaust PM emissions including PM1, PM2.5 and PM10 that emitted by motorcycles.  An onboard PM measuring device is attached on the front wheel of the tested motorcycle to monitor PM diffusion while braking.  Based on experimental results, it is found out that the main factor that affects the diffusion of non-exhaust PM emissions is the braking behavior.  With harder braking, more PM diffusions are produced.  Different weather conditions also affect the accumulation of PM.  High relative air humidity results in higher PM diffusions. When the payload of a motorcycle increases, the amount of PM diffusion increases as well.  Lastly, road conditions also affect the amount of emitted PM.  When the road surface is rough, it clearly increases PM diffusion.

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Published

2022-03-29

How to Cite

[1]
W. Songkitti, S. Pong-a-mas, C. Plengsa-ard, and E. Wirojsakunchai, “Influence of Factors on Non-Exhaust PM Emissions from Motorcycle ”, Eng. & Technol. Horiz., vol. 39, no. 1, pp. 45–53, Mar. 2022.

Issue

Vol. 39 No. 1 (2022): January - March

Section

Research Articles

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