KIEAE Journal

Korea Institute of Ecological Architecture and Environment (한국생태환경건축학회)
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Evaluation of Thermal and Visual Environment for the Glazing and Shading Device in an Office Building with Installed of Venetian Blind

베네시안 블라인드가 적용된 오피스 건물의 외피 투과체 계획을 위한 열·빛 환경 평가에 대한 연구

  • Kim, Chul-Ho (Department of Architecture, Graduate School, Korea University) ;
  • Kim, Kang-Soo (Department of Architecture, Korea University)
  • Received : 2015.09.14
  • Accepted : 2015.11.04
  • Published : 2015.12.31
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Abstract

Purpose: Glazing and shading devices influence a lot on the thermal and visual environment in office buildings. Solar heat and daylight are contrary concept, therefore proper arrangement of thermal and optical performance is needed when designing a glazing and shading devices. The purpose of this study is to examine the conditions of the glazing and shading devices available for promoting the reduction of cooling loads + lighting loads and the improvement in thermal comfort and visual comfort for the summer season in an office building installed with venetian blind. Method: This study established 12 simulation cases which have different glazings and the positions of venetian blind for evaluating different thermal and optical performance. And by using EnergyPlus v8.1 and Window v7.2 program, we quantitatively analyzed cooling loads + lighting loads, thermal comfort and visual comfort in an office building installed with the glazing and shading devices. Result: Consequently, Case 9(Double Low-E+Exterior Blind) is the best arrangement of solar heat gain and daylight influx, thereby becomes the most excellent case of reducing cooling+lighting loads(46.8%) and simultaneously becomes the enhancement case in thermal comfort. Also, DGI(Daylight glare index) under clear sky conditions in summer was evaluated to be 19.6, and thereby satisfied the recommendation level of allowing visual comfort.

Keywords

References

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