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이정배(Lee Jeong-Bae),장성주(Chang Seong-Ju) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.2
Building skin is a highly complex entity that plays interface role between indoor and outdoor environments. Heat, energy, sound, air, moisture and various physical and chemical agents are exchanged through building skin, therefore, the processes associated with a typical window system or grazing system are intrinsically interrelated in a complicated manner so that they could not be easily understood or analyzed especially for predicting the window system’s energy performance. A significant amount of energy being used in buildings has been lost through the building envelope. Therefore, in order to reduce building energy consumption, systematic approach for breaking up a window system into its components and predicting the energy performances of each component’s design alternatives through simulations is thought to be needed. The analyzed window system components are then systematically synthesized to form diversified sub system design alternatives which also are subject to energy performance simulations. This study focuses on U-Value and SHGC as primary energy performance indicators of selected glazing systems that have glasses, frame, spacer, cavity and blind as its constituting components. This study demonstrates how to systematically design a high-performance glazing system through utilizing parametric sensitivity analysis. As a result, This research identified an energy sensitive window design decision making process along with meaningful window design guidelines for better energy performance.
백정엽(Baek, Jeong-Yeop),장성주(Chang, Seong-Ju) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.1
Primary objective of this study is to improve lighting performance and to reduce electrical energy consumption by deploying light shelf combined with lens and diffusion film. This research further aims at verifying its validity by conducting performance evaluation through simulation operated on a program for light environments. The outcome of this study revealed significant performance improvement of the light shelf when diffusion film is adopted combined with 30 degrees of a light shelf angle is configured for the target test system.
제설, 폭염방지 및 기상 데이터 수집용 IoT 기반 스마트 가로등
민세웅(Min, Sae-Woong),장성주(Chang, Seong-Ju) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.1
Smart city systems that could effectively manage urban environment in relation with micro-climate condition have recently attracted public attention. Typical precedent micro-climate managing systems were unable to react quickly to dynamically changing urban weather conditions. To solve this problem, we devised a “IoT enabled Smart Street Lamp” that can instantly and granularly coped with climate induced critical street conditions. This IoT Smart Streetlamp is designed to manage immediate surrounding environment by operating an electro-mechanical system that respondes micro-climate condition in the vicinity by utilizing sensors, communication channel, embedded microprocessor and a computer, and big data analysis so that it could spray water for heat dissipation or ejects snow removal solution depending on the detected condition. The primary focus of our design is on an innovative IoT streetlight to collect, store and analyze micro-climate data seamlessly and use it to mitigate potential problems of the immediate surrounding environment by providing localized treatment.