Paper Title:
Aerosol Behavior in the near Wake Region of the Vehicle
  Abstract

In the present study, the interaction effects of different vehicle speeds and vehicular exhaust tailpipe exit velocity conditions on the exhaust particle dynamic behaviors in the near-wake region behind the studied vehicle were numerically investigated. The results showed that the particles were drawn up into the recirculation region and then moved toward into the upper vortex by its lower vortex. A lower particle number concentration behind the studied vehicle is observed for a higher vehicle speed because of the rapidly increasing dilution ratio and the nucleation rate. The particle volume concentration is the highest in the recirculation region behind the studied vehicle and is diluted gradually beyond the recirculation region in the downstream.

  Info
Periodical
Advanced Materials Research (Volumes 299-300)
Edited by
Jianzhong Wang and Jingang Qi
Pages
1239-1243
DOI
10.4028/www.scientific.net/AMR.299-300.1239
Citation
Z. He, Q. Z. Shen, B. K. Li, T. L. Chan, "Aerosol Behavior in the near Wake Region of the Vehicle", Advanced Materials Research, Vols. 299-300, pp. 1239-1243, 2011
Online since
July 2011
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Price
$32.00
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