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2022 Vol.42, Issue 6 Preview Page

Research Article

A Study on a Flux Chamber Design and its Performance Verification for Field Measurement of Indoor Air Pollutants Emissions

실내오염물질 방출량의 현장측정을 위한 플럭스 챔버의 설계 및 성능 검증 연구

Jinhee Jeong1*
정 진희1*
1Postdoctoral Researcher, Department of Building Research, Korea Institute of Civil Engineering and Building Technology
1한국건설기술연구원 건축연구본부, 박사후연구원
*Corresponding Author
30 December 2022. pp. 137-146
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Abstract

As concerns about indoor air quality increase, there has been a need to develop an accurate method of measuring surface emissions from actual living environments. In this study, a cost-effect and accurate flux chamber for measuring surface emissions was designed, and several tests, including airtightness, sample homogeneity, and recovery, were performed. The flux chamber was reinforced to maintain airtightness without leakage, and samples from the chamber were homogeneous (below 4% of the relative standard deviation) enough to represent the entire chamber. In the case of recovery, the concentration inside the chamber reached 100% of the injection concentration within 50 to 100 minutes. To increase the recovery of the experimental emissions relative to theoretical emissions, the rate at which the concentration changes over time should be used as early as possible when performing measurements. The sample inside the chamber, however, was not sufficiently mixed early during the measuring period; thus, research on how to overcome this methodological limitation is currently being conducted.

Keywords
Surface emission
Flux chamber
Indoor air quality
Building environment
Field measurement
Performance verification
키워드
표면 방출량
플럭스 챔버
실내공기질
건축환경
현장측정
성능 검증
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Information
  • Publisher :Korean Solar Energy Society
  • Publisher(Ko) :한국태양에너지학회
  • Journal Title :Journal of the Korean Solar Energy Society
  • Journal Title(Ko) :한국태양에너지학회 논문집
  • Volume : 42
  • No :6
  • Pages :137-146
  • Received Date : 2022-09-19
  • Revised Date : 2022-10-25
  • Accepted Date : 2022-12-13
  • DOI :https://doi.org/10.7836/kses.2022.42.6.137
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