Journal of the Architectural Institute of Korea Planning & Design (대한건축학회논문집:계획계)

Architectural Institute of Korea (대한건축학회)
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x-Ray Approach to Develop Energy Model for Existing Buildings

기존 건축물을 위한 x-Ray 개념의 에너지 모델 작성과 평가

  • 윤성환 (성균관대 건설환경시스템공학과) ;
  • 박철수 (성균관대 건축토목공학부)
  • Received : 2013.10.02
  • Accepted : 2014.01.15
  • Published : 2014.01.25
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Abstract

Energy consumption by existing buildings accounts for a significant portion of the energy use in building stock. To improve energy performance of existing buildings, it is necessary to have a scientific and objective energy model to assess building energy performance as well as decision making for building energy retrofit. Such energy model must be very simple, easy-to-develop, accurate enough and easy-to-use so that it can be used for a large portfolio of existing buildings. With this in mind, the paper presents a new concept so called building energy x-Ray approach. The approach utilizes ISO 13790 simple hourly calculation method as well as other EN energy standards, rather than resorting to full-blown dynamic simulation tools (e.g. EnergyPlus) which is too time-effort-cost intensive. The x-Ray approach, implementable in MATLAB environment, was applied to two existing office buildings. The paper reports the results of such application in terms of accuracy, usability, and limitations.

Keywords

Acknowledgement

Supported by : 국토해양부

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