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

Architectural Institute of Korea (대한건축학회)
권호 표지
DOI QR코드

DOI QR Code

Analysis of Infiltration of Outdoor Particulate Matter into Apartment Buildings

외기 중 미세먼지의 공동주택 실내 유입에 관한 연구

  • Received : 2017.06.26
  • Accepted : 2017.11.07
  • Published : 2018.01.30
⟨ Previous Next ⟩

Abstract

Recently, concentration of fine and ultra-fine particulate matter(PM) has been increased in KOREA. The increase of PM in KOREA is due to increase of domestic industries and yellow dust from china. PM is known to cause diseases such as dyspnoea, asthma, arrhythmia. Since PM is harmful to human, KOREA Ministry of Environment(ME) warns people to stay indoors when the outdoor PM concentration is high. However, prior studies has shown that indoor PM concentration can be relatively high when outdoor PM concentration is high due to infiltration of PM into buildings though leakage areas. In this study, airtightness, indoor and outdoor pressure difference and PM 2.5 & 10 concentration were measured in an apartment complex to observe PM infiltrating into building. Field measurement was conducted in newly-built apartment buildings to avoid the influence of indoor PM which can be generated by residents. The airtightness test was conducted to identify the leakage areas of the apartment, such as electric outlets and supply/exhaust diffusers. The airtightness test result showed that the air leakage area of the building was dominant in buildings envelop. According to indoor and outdoor pressure difference measurement result and PM concentration measurement result, it can be concluded that outdoor PM can infiltrate into indoor by leakage areas when wind is blown toward the apartment. As a result, pressure difference formed by the external weather condition and architectural characteristics such as the airtightness in building can influence PM to infiltrate into buildings. In further studies, I/O ratio, stack-effect, infiltration and penetration factor will be considered.

Keywords

Acknowledgement

Supported by : 국토교통부

References

  1. Liu, D., & Nazaroff, W.W. (2003). Particle Penetration T hrough Building Cracks, Aerosol Science and Technology, 37(7), 565-573. https://doi.org/10.1080/02786820300927
  2. Park, E., Kang, M., You, D,. Kim, D,. Yu, S,. Chung K,. & Park, K. (2005). Health Risk Assessment of Heavy Metals in Fine Particles Collected in Seoul Metropolitan Area, J.ENVIRON.TOXICOL, 20(2), 179-186. https://doi.org/10.1002/tox.20093
  3. Jo, J. (2010). Measurements of the Dwelling Unit Airtightness in High-rise Residential Buildings, Journal of the Architectural Institute of Korea, 26(10), 337-344.
  4. Chun Chen., & Bin Zhao. (2011), Review of relationship between indoor and ourdoor particles: I/O ratio, infiltration factor and penetration factor, Atmospheric Environment, 45, 275-288. https://doi.org/10.1016/j.atmosenv.2010.09.048
  5. Massey, D., Kulshrestha, A., Masih, J., & Taneja, A. (2012). Seasonal trends of PM10, PM5.0, PM2.5 & PM1.0 in indoor and outdoor environments of residential homes located in North-Central India, Building and Environment, 47, 223-231. https://doi.org/10.1016/j.buildenv.2011.07.018
  6. Lee, Y., & Shin, C. (2013). The Air Leakage Characteristics and Airtightness Performance of a Newly Built Apartment, Korean Journal of Air-Conditioning and Refrigeration Engineering, 25(11), 606-611. https://doi.org/10.6110/KJACR.2013.25.11.606
  7. Park, J., Jee, N., & Jung, J. (2014). Effects of types of ventilation system on indoor particle concentrations in residential buildings, Indoor Air, 24(6), 629-638. https://doi.org/10.1111/ina.12117
  8. Back, J., Yee, S., Lee, B., Kang, D., Yeo, M & Kim, K. (2015). A study on the Relationship between the Indoor and Outdoor Particulate Matter Concentration by Infiltration in the Winter, Journal of the Architectural Institute of Korea, 31(9), 137-144.
  9. Kang, D., & Choi, D. (2015). A Preliminary Study to Evaluate the Impact of Outdoor Dust on Indoor Air by Measuring Indoor/Outdoor Particle Concentration in a Residential Housing Unit, Journal of KIAEBS, 9(6), 462-469.
  10. Ji, K., Shin, H., & Jo, J. (2016). Analysis of Airtightness Characteristics and Investigation of Leakage Point in High-rise Residential Buildings, Journal of KIAEBS, 10(4), 307-312.