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2018 Vol.12, Issue 2 Preview Page
Parametric Analysis of the Factors Influencing Airborne Infection

공기전파감염확률 영향인자에 대한 매개변수 분석

Chang-Heon Cheong1*
정 창헌1*
1Department of Architectural Engineering, Gyeongnam National University of Science and Technology University
1경남과학기술대학교 건축공학과
*교신저자. *Corresponding Author. 
April 2018. pp. 171-185
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Abstract

This study investigated the influence of the various factors such as airborne pathogen type, space magnitude, ventilation rate and exposure time on the airborne infection risk. The parametric study is performed by airflow network simulation tool, CONTAMW 3.2. In addition, Wells-Riley equation is adopted to calculate airborne infection probability in a controlled volume. The results indicate occupancy time of infector significantly influence the airborne infection probability. In addition, smaller room size also affected to the increased infection risk. Especially, in the case of infector reside in a small room (30 m2) for 4 hours with 6 ACH of ventialtin rate, Tuberculosis infection risk of inpatient around infector increased to 21.0% (Influenza: 90.6%). Even though ventilation rate of 6 ACH looks appropriate in general condition to prevent airborne infection, increased ventilation over 6 ACH must be implemented to these critical environmental conditions involving smaller room size and long occupancy time.

Keywords
Airborne Infection
Simulation
Infection Risk
Airborne Pathogen
Parametric Analysis

키워드
공기전파감염
시뮬레이션
감염확률
공기전파감염원
매개변수분석
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Information
  • Publisher :Korean Institute of Architectural Sustainable Environment and Building Systems
  • Publisher(Ko) :한국건축친환경설비학회
  • Journal Title :Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
  • Journal Title(Ko) :한국건축친환경설비학회논문집
  • Volume : 12
  • No :2
  • Pages :171-185
  • Received Date : 2018-03-02
  • Revised Date : 2018-04-16
  • Accepted Date : 2018-04-13
  • DOI :https://doi.org/10.12972/jkiaebs.20180015
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