KIEAE Journal

Korea Institute of Ecological Architecture and Environment (한국생태환경건축학회)
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An Analysis of the Airtightness Performance and Heating Energy Demand According to Building Structural Characteristics -Focused on Newly Apartment Houses-

건물 구조 특성에 따른 기밀성능 및 난방 에너지 요구량 분석 - 신축 공동주택 중심으로 -

  • Lee, Su-In (Dept. of Energy System Engineering, Korea University of Science and Technology) ;
  • Kim, Jeong-Gook (Dept. of Architectural Engineering, Sungkyunkwan University) ;
  • Kim, Seo-Hun (Dept. of Architectural Engineering, Hanyang University) ;
  • Kim, Jong-Hun (Energy Saving Laboratory, Korea Institute of Energy Research) ;
  • Jeong, Hak-Geun (Energy Saving Laboratory, Korea Institute of Energy Research) ;
  • Jang, Cheol-Yong (Energy Saving Laboratory, Korea Institute of Energy Research)
  • Received : 2015.01.28
  • Accepted : 2015.03.30
  • Published : 2015.04.30
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Abstract

Purpose: The importance of building airtightness is increased as the demand and expectation of building energy efficiency is growing. Previous research only focused on airtightness of building openings only to improve building airtightness. However, the analysis of difference of airtightness performance according to the characteristic of building structure has not been performed. Therefore, this study analyzed the difference of airtightness performance according to building structural characteristics in a number of ways. Method: Airtightness that are classified as rigid-frame type or wall type are measured and analyzed the difference of airtightness performance between rigid frame type apartments and wall type apartments. This study calculated the heating energy demand and quantitatively analysis using ISO 13790. Futhermore, this study compared research trend of domestic airtightness performance with airtightness standards of the developed countries based on the field measurement. Result: Airtight performance of wall type is better than rigid frame type in terms of energy saving. The difference of heating energy demand between wall type and rigid frame type was $8.14kWh/m^2yr$.

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References

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