(A) system for measuring composition and size distribution of atmospheric dust = 대기 중 먼지의 크기 분포 및 성분 측정을 위한 시스템 개발

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Due to abrupt industrialization and urbanization, attention toward air pollution including PM is rising. As studies show that not only mass concentration of PM10 but ratio of even smaller particle or specific component also has an impact on daily mortality, it is crucial to develop a system capable of measuring size distribution and composition of PM conveniently. Former study showed that there is significant difference in complex reflective index between major components of PM i.e. mineral dust and combustion particle, which implies different scattered light intensity according to Mie theory. In this paper, method of differentiating black carbon component using measurement of scattered light from two different angle was suggested and verified with computer simulation. Prototype is built and measured soot particle and reference polystyrene bead to check the deviation.
Advisors
Kim, Soohyunresearcher김수현researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2017.2,[v, 63 p. :]

Keywords

Atmospheric dust; Particulate matter; Composition; Mie scattering; Size distribution; 대기 중 먼지; 미세먼지; 구성성분; 미 산란; 크기 분포

URI
http://hdl.handle.net/10203/242843
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=675108&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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