Possible sampling artifact in real time particle size distributions related to sampling rate

Xiaohong Yao, Chak K. Chan, Ngai Ting Lau, P. S. Lau, Ming Fang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The availability of high time-resolution (1 s full spectrum scan) particle sizers permitted atmospheric researchers to scrutinize the characteristics of ultrafine particles in rapidly varying (perhaps, random) high concentration environments such as roadside, on-road, and tunnels. These data also revealed possible artifacts associated with the slower (∼30 s or more) scanning sizers when used in this kind of environment. This study discusses sampling rate artifact problems based on simulations using 1 s Engine Exhaust Particle Sizer data taken on a mobile platform. Copyright © American Association for Aerosol Research.
Original languageEnglish (US)
Pages (from-to)1080-1089
Number of pages10
JournalAerosol Science and Technology
Volume40
Issue number12
DOIs
StatePublished - Dec 1 2006
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Chemistry
  • General Materials Science
  • Pollution

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