Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Issues and Recommendations for Quasi Steady-State Building Energy Analysis: Focusing on a Domestic Building Energy Efficiency Rating Program (ECO2)

준 정적 건물에너지 해석 평가 도구의 쟁점들 - 국내 건축물 에너지효율등급 인증평가 프로그램 (ECO2)을 중심으로 -

  • Lee, Seung-Ju (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Jo, Hyeong-Gon (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Yoo, Young-Seo (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Park, Chul-Hong (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Park, Cheol-Soo (Dept. of Architecture and Architectural Engineering.Institute of Engineering Research.Institute of Construction and Environmental Engineering, Seoul National University)
  • 이승주 (서울대 건축학과) ;
  • 조형곤 (서울대 건축학과 ) ;
  • 유영서 (서울대 건축학과) ;
  • 박철홍 (서울대 건축학과) ;
  • 박철수 (서울대 건축학과.공학연구원.건설환경종합연구소)
  • Received : 2023.08.21
  • Accepted : 2023.12.09
  • Published : 2024.01.30
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Abstract

Building energy analysis can be categorized into steady state, quasi-steady state and dynamic methods. The current Korean building energy standards relies on ECO2 that is based on the quasi-steady state approach. For the purpose of clarity and simplicity, ECO2 is designed to receive deterministic inputs only, and allow for predefined usage profiles such as occupant/lighting/equipment schedule. In this regard, the authors examine technical disadvantages caused by ECO2: (1) unrealistic geometric and HVAC modeling, (2) non-adjustable default input fields, (3) lack of validation for building energy models and users, (4) no account for building's stochastic characteristics, (5) lack of usability in energy-conscious decision making. This paper proposes further recommendations for the Korean building energy standards.

Keywords

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원의 지원으로 수행되었음(과제번호 RS-2022-00141900).

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