Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Performance Evaluation of Low-cost Optical Components used for Measuring the Optical Density and Concentration of Particulate Matter(PM)

입자상물질의 광학밀도 및 농도측정에 적용된 저가형 광학 부품의 성능평가

  • Baik, Young Jo (Graduate School of Industrial Technology, Chosun University) ;
  • Hong, Terki (Graduate School of Chosun University) ;
  • Hwang, Cheol Hong (Department of Fire and Disaster Prevention, Daejeon University) ;
  • Park, Seul Hyun (School of Mechanical System and Automotive Engineering, Chosun University)
  • 백영조 (조선대학교 산업융합기술대학원) ;
  • 홍터기 (조선대학교 대학원) ;
  • 황철홍 (대전대학교 소방방재학과) ;
  • 박설현 (조선대학교 기계시스템.미래자동차공학부)
  • Received : 2016.06.14
  • Accepted : 2016.10.24
  • Published : 2016.10.31
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Abstract

The performance of a set of low-cost optical components used for measuring the optical density of PM particles was evaluated in the present study. To this end, the set of low-cost optical components was replaced with that of general optical components used to measure the PM optical density under identical experimental conditions. The optical densities measured from the set of general optical components were then compared to those obtained from the set of low-cost optical components. While the optical density is measured, another key parameter, the dimensionless extinction constant of PM particles (which is needed to optically measure the PM concentration) was also determined in the present study. The experimental results indicate that the optical density and PM concentration measurements performed by low-cost optical components are feasible, producing trackable variations in the OD and concentrations compared to values obtained from the set of general optical components.

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References

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