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이재승(Lee Jae-Sung),임현창(Yim Hyun-Chang),김형준(Kim Hyung-Jun),김흥열(Kim Heung-Yeal),조봉호(Cho Bong-Ho) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.7
Technologies on energy saving and materials used in curtain walls have progressed with increase of high-rise and large buildings. However, there is little study to explain fire resistance performance of whole system of the curtain walls since the curtain walls are classified as non-structural members in Korean Building Codes. Aluminum has been widely used as frame materials in the curtain walls. Recently, use of steel as the curtain wall frame is increasing due to its higher strength and thermal resistance as compared with aluminum frame. In this study, fire tests on the basis of EN 13830 were performed with aluminum and steel curtain walls. From the tests, fire resistance integrity, thermal insulation, and radiation properties were evaluated for both systems and compared. The results showed that the fire resistance performance of steel curtain wall was higher than that of aluminum curtain wall, and the properties of glass and sealants were important factors in the fire resistance of the curtain walls.
김선숙(Kim, Sun-Sook),임현창(Yim, Hyun-Chang) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.11
The glass curtain wall system is widely used in modern high-rise buildings. It is important to improve thermal performance of curtain walls to improve energy efficiency in buildings. In this paper, international standards were analyzed to evaluate the thermal performance of curtain walls including calculation standards as well as experimental standards. The thermal transmittance of three curtain wall design alternatives were calculated according to the single assessment method, length-related component assessment method, and area-related component assessment method specified in EN 13947. Laboratory tests were also conducted on three curtain wall test specimens according to KS 2278. The calculated and measured results showed good overall agreement. The results show that the calculation method can be commonly used to evaluate the thermal performance of curtain wall systems.
에너지 모니터링 가시화 시스템을 위한 도시 모델링 저작도구 개발
김갑득(Kim Gap-Deug),김상희(Kim Sang-Hee),임현창(Yim Hyun-Chang),최진원(Choi Jin-Won) 대한건축학회 2010 대한건축학회논문집 Vol.26 No.10
EnerISS is a software system in which a state-of-the-art urban energy control technology is integrated. This system is ultimately aimed at developing energy-saving, ubiquitous-ecology city, usable in city planning and operating steps. As a branch module of the EnerISS, EnerISS Solution(Modeler/Viewer) was developed to visualize energy distribution, demand and consumption status of a target city. This visualization tool operated by city planers, energy-monitoring engineers, and even consumers is expected to virtually derive an energy conservation and efficient use/supply. First of all, the tool should be able to model space and buildings of the target city in terms of accurate geographic information and to express real-time energy information. One part of the packages, called EnerISS Modeler was therefore developed to build the GIS-based city models in which energy data can be input. The software package contains various user-friendly background functions such as create, open, save, view, navigate, etc. This paper is introducing the development process, theoretical background, and functional explanation for the developed modeling software. One city model was selected as an application example to examine and demonstrate the applicability and efficiency.