대한건축학회논문집:구조계 (Journal of the Architectural Institute of Korea Structure & Construction)

  • 제36권2호
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  • Pages.155-163
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  • 2020
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  • 1226-9107(pISSN)
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  • 2384-1788(eISSN)
대한건축학회 (Architectural Institute of Korea)
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공동주택의 기밀성능에 따른 실외 유입 및 실내 발생 PM2.5의 계절별 실내농도 기여도 분석

Seasonal Contribution of Indoor generated- and Outdoor Originating PM2.5 to Indoor Concentration Depending on Airtightness of Apartment Units

  • 박보람 (서울시립대학교 대학원 건축공학과) ;
  • 최동희 (경일대학교 건축공학과) ;
  • 강동화 (서울시립대학교 건축공학과)
  • 투고 : 2019.08.06
  • 심사 : 2020.02.11
  • 발행 : 2020.02.28
⟨ 이전 논문 다음 논문 ⟩

초록

Indoor airborne particles are consisted of outdoor- and indoor-generated particles, which can be characterized by their compositions, generation features and toxicity. The identification of source contribution of indoor and outdoor origin to indoor particles is important to understand PM2.5 transport in a building as well as its impact on occupant health. The objective of this study is to investigate seasonal source contribution to indoor PM2.5 concentration depending on airtightness of apartment units. To evaluate the source contribution, particle transport including penetration, generation, exfiltration in an apartment housing unit was simulated by using CONTAM with particle and airflow simulation parameters obtained from field measurements. The result showed that the outdoor source contribution to indoor air was relatively dominant in the leaky housing unit during spring (77.2%) and winter (73.9%), and the indoor source was dominant in the airtight housing unit during summer (60.3%) and fall (60.7%). These results indicate the seasonal health risk of indoor PM2.5 can be varied according to airtightness of apartment units.

키워드

과제정보

연구 과제 주관 기관 : 한국연구재단

이 연구는 2017년도와 2018년도 한국연구재단 연구비 지원에 의한 결과의 일부임. 과제번호:NRF-2017R1C1B2011561, NRF-2018R1D1A1B07050503

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