설비공학논문집 (Korean Journal of Air-Conditioning and Refrigeration Engineering)

  • 제29권3호
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  • Pages.97-104
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  • 2017
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  • 1229-6422(pISSN)
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  • 2465-7611(eISSN)
대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
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건물 부하계산 프로그램을 이용한 외단열 시공의 에너지 절감 효과 분석

Analysis of the Energy Saving Effect for the External Insulation Construction by Building Load Calculation Method

  • 박재중 (성균관대학교 글로벌건설엔지니어링학과) ;
  • 명제민 (성균관대학교 건설환경시스템공학과) ;
  • 송두삼 (성균관대학교 건축토목공학부)
  • Park, Jaejoong (Dept. of Global Construction Eng., Graduate school of Sungkyunkwan University) ;
  • Myeong, Jemin (Dept. of Civil and Environmental System Eng., Graduate school of Sungkyunkwan University) ;
  • Song, Doosam (School of Architectural, Civil and Environmental Eng., Sungkyunkwan University)
  • 투고 : 2016.10.20
  • 심사 : 2016.12.15
  • 발행 : 2017.03.10
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초록

Reinforcement of insulation in apartment buildings reduces the heating and cooling energy consumption by lowering the heat transfer in the building envelope. There are differences between internal and external insulation methods in heat transmission properties. However, some building load calculation programs cannot analysis the differences between the two. This is because these programs do no account for the timelag or thermal storage effect of the wall according to the location of insulation. In this study, the heat transmission characteristics of internal and external insulation were analyzed by EnergyPlus, and heating and cooling energy demand was compared. The results showed that external insulation system had lower heating and cooling loads than internal insulation system. Also the heat transfer rate of external insulation is steadier than internal insulation. About 13.6% of heating and cooling energy demand decreased when the outdoor wall was finished with external insulation compared to the demand with internal insulation.

키워드

참고문헌

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