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2021 Vol.15, Issue 3 Preview Page

Research Article

In-situ Method for Calculation of the Linear Thermal Transmittance of Wall-window Joints using Infrared Thermography

열화상을 활용한 현장측정 기반의 창-벽체 접합부 선형열관류율 산출 방법

Chang-Min Kim1
,
Jae-Sol Choi2
,
Eui-Jong Kim3
,
Hyang-In Jang4*
김 창민1
,
최 재솔2
,
김 의종3
,
장 향인4*
1Senior Researcher, Institute of Green Building and New Technology, Mirae Environment Plan, Seoul, Korea
2Ph.D. Program Student, Graduate School, Department of Architecture, Inha University, Incheon, Korea
3Associate Professor, Department of Architecture, Inha University, Incheon, Korea
4Director, Institute of Green Building and New Technology, Mirae Environment Plan, Seoul, Korea
1(주)미래환경플랜건축사사무소 건축친환경신기술연구소 실장
2인하대학교 건축학부 대학원 박사과정
3인하대학교 건축학부 부교수
4(주)미래환경플랜건축사사무소 건축친환경신기술연구소 소장
*Corresponding Author
30 June 2021. pp. 265-278
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Abstract

The occurrence of defects in wall-window joints directly affects occupants. However, there are challenges in measuring defects quantitatively due to the lack of evaluation standards. Therefore, this study proposes a digital twin-based method for calculating the linear thermal transmittance of wall-window joints using thermal images, and verifies its applicability. The applicability of the proposed field measurement-based linear thermal transmittance calculation method was verified by reproducing the results through chamber tests. The chamber tests were performed by fabricating specimens with construction defects, setting the internal and external temperatures to a dynamic state, and measuring the thermal images at four different time points. As a result of applying the proposed method, the maximum error of linear thermal transmittance between the four time points was 6.32%. The results demonstrate the possibility of quantitatively measuring defects in wall-window joints.

Keywords
Infrared thermography
Digital twin
Field measurement
Linear thermal transmittance
키워드
적외선 열화상
디지털 트윈
현장 측정
선형열관류율
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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 : 15
  • No :3
  • Pages :265-278
  • Received Date : 2021-04-19
  • Revised Date : 2021-06-14
  • Accepted Date : 2021-06-16
  • DOI :https://doi.org/10.22696/jkiaebs.20210023
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