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이경선(Lee, Kyung-Sun),유다은(Yoo, Daun) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.6
This study is to identify the possibility of real world applications for responsive kinetic facades. A methodology applied is to define the concept of sustainable responsive kinetic facade, to analyze its development, and then to conduct case studies of recent examples. The responsive kinetic facade provides optimized forms with precise responses and realtime adjustment to the external environment or users’ preferences. Also, lighting, thermal, and air quality can be controlled with computer programs. Consequently, overall energy load can be reduced and the comfort level of users is enhanced. However, it is still in the experimental stage, and only a few projects have been implemented to date due to limitation on technology and costs. Despite these issues, the responsive kinetic facade has great potential to play a major role as sustainable envelope system in the near term.
스마트 재료를 활용한 리스펀시브 파사드의 성능개선에 관한 연구 - 형상기억합금 액추에이터를 활용한 루버식 차양시스템 실험 -
김유리(Kim, Yuri),이황(Yi, Hwang) 대한건축학회 2019 대한건축학회 학술발표대회 논문집 Vol.39 No.2
The authors investigate building performance of a thermomechanically-actuated responsive facade (RF) system in comparison with an electro-magnetic motor actuation. Smart material such as shape-memory alloys (SMAs) has large potential to provide lightweight, compact RF actuation against the problems of traditional kinetic mechanism (motional noise, energy consumption, complex mechnical equipment, etc.). A NiTi-alloy spring actuator was fabricated and installed in a test scale model of a louver type RF. Environmental performance (indoor illuminance and temperature) of the SMA RF was compared with the static and motor-actuated case. The test results show that there is little significant difference between the two actuation mechanisms (SMA and motor) in daylight control, thereby demonstrating the utility of SMA in climate-adaptive responsive architecture.
창호의 개폐조절을 기반으로 한 리스펀시브 뉴메틱 파사드
이지선,이현수 대한건축학회 2017 대한건축학회논문집 Vol.33 No.12
The building skins are important architectural elements in both functional and aesthetical aspects. This study focuses on developing a responsive facade with autonomous opening and closing behaviors in accordance with environmental conditions and user requirements for natural ventilation for the office building. The pneumatic ETFE panels are applied as the skin materials taking advantage of the efficiency of the inflatable skin of lightness, architectural performance and sustainable material properties. The biomimetic design methodology is taken for its innovative and visionary concept for the facade design. The interpretation of the building facade in analogy to natural organisms delivers functional and aesthetic characters. By exploring the structural movements of the plant pores, the facade control is developed to be autonomous by the parameter values. The facade opening and closing configurations are derived through parametric modeling and visualization programming. Through the application of this study, expected results are to improve user comfort and energy efficiency.