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석호태,곽현철,송승영,송진규,이영욱 대한건축학회 2003 대한건축학회논문집 Vol.19 No.4
This study aims to evaluate the economic performance of infiltration prevention devices for the refrigerated warehouse. It is showed that the cooling loads of refrigerated warehouses is changed by assembling of infiltration prevention devices in a previous study. Space loads and cooling energy costs according to the types of the infiltration prevention devices are analyzed by the DOE-2.1E simulation. Based on the Life Cycle Costs considered the costs of initial construction, repair·replace, cooling energy and operating energy, the probability of reducing energy consumption and application of infiltration prevent devices in vestibule of refrigerated warehouse is founded.
커튼월 외피시스템 벽체부의 전열특성에 관한 실험적 연구
석호태,송승영,곽현철,정지나 대한건축학회 2005 대한건축학회논문집 Vol.21 No.10
The aim of this study is to know the heat transmission feature of fastening systems in used light-heavy curtain wall. The heat performance of curtain wall materials is measured by comparing convective heating system with floor radiant heating system through the scale-down model experiment and the use of insulation pad is verified for the improvement of insulation performance. In this experiment, it is measured the surface temperature of structure materials consisting of two types of curtain wall system by changing indoor room temperature into 18℃, 20℃, 22℃, 24℃, 26℃, respectively. One is general curtain wall building with the convective heating system, and the one is high-rise curtain wall building with the floor radiant heating system.The measurement for surface temperature difference according to the use of insulation devices are accomplished and the performance of insulation devices were evaluated. As the result of this study, the temperature difference of each materials are higher with the use of insulation devices than without that of it.
고층 주거건물 급수·급탕설비의 운용실태에 따른 압력 및 유량 변화 특성에 관한 연구
석호태,여명석,조경재,김장한,차민철 대한건축학회 2005 대한건축학회논문집 Vol.21 No.6
As the structure, material and construction of building develop continuously, so the recent residential buildings are being large, high-rise and group. High-rise residential buildings consume a lot of energy on supplying cold and hot water. As well, high-rise residential buildings bring on discomfortable use and unexpected conditions on account of faucet outlet pressure rise and the difference of water supply pressure between top floor and bottom floor. Thus, the purpose of this study is to research on using conditions of cold and hot water supply system through field measurement in high-rise residential buildings and to analyze problems.
부속기기 적용에 따른 고층 주거건물 급수?급탕 헤더시스템의 성능개선 방안에 관한 관망해석 연구
석호태,조경재,차민철 대한건축학회 2006 대한건축학회논문집 Vol.22 No.9
Recently, As the residential building becomes large-scale and high-rise, the water supply pressure go up. The water hammering is problem on cold & hot water manifold system by quick closure of valve. It bring on junction vice-leakage and damage of machinery and tools. It is required to a appropriate solution in occurring water hammering and discomfortable use of cold & hot water manifold system on account of the difference of water supply pressure on top and bottom floor. Thus, the purpose of this study is to present plan data for performance improvement of cold & hot water manifold system through finding out factors of cold & hot water system and evaluating performance cold & hot water manifold system with piping network analysis.
석호태,곽현철,송승영,Seok Ho-Tae,Kwak Hyun-Chul,Song Seung-Yeong 한국주거학회 2004 한국주거학회 논문집 Vol.15 No.5
As residential buildings becomes high rise buildings, the new cladding system was needed for structure system, and unpredictable problems were found in it. The aim of this study is to analysis the present state and find improvement of indoor environment in high rise residential building, which used curtain wall system. Then, suggest to create comfortable indoor environment for high rise residential buildings in the process of design.
Mock-up 실험을 통한 고층 주거건물 급수?급탕 헤더시스템의 유량 밸런싱 방안에 관한 연구
석호태,차민철 대한건축학회 2006 대한건축학회논문집 Vol.22 No.9
Today in residential buildings, cold & hot water supply system is composed of boiler, pipe, and faucet and so on. That is the equipment function with one system. Specially, high-rise residential buildings bring on discomfortable use and unexpected conditions on account of faucet outlet pressure rise and the difference of water supply pressure between top and bottom floor. Cold & hot water manifold system introduces positively for supplying cold & hot water more stably from residential buildings. But, the plan data is insufficient for manifold system. If water pressure is not appropriate, it loses the function of water supply system. The researches became accomplished which solve the problems about difference of water pressure between top and bottom floor and unbalance of flow rates with introduction of many water supply system and vertical zoning methods. But, the researches leave something to be desired about decrease of water pressure and flow rate or change of hot water supply because of simultaneous waste flow rate in a household. Thus, the purpose of this study is to present flow balancing plan data for performance improvement of cold & hot water manifold system through evaluating performance of alternative plans with mock-up test.
이중외피시스템의 차음성능 평가에 관한 연구 -전면형 이중외피시스템을 중심으로-
석호태,차민철 한국주거학회 2004 한국주거학회 논문집 Vol.15 No.2
The purpose of this study is to evaluate the sound insulation performance and present fundamental data for sound insulation plan about open and close windows of inner facade and outer facade of Double-skin Facade system applied to multi-story type. The Headquarter of Green Building and the Energy Saving Building in the Korea Institute of Energy Research was selected for experiment. Measurement method which are specified in the Korea Standard 2235 were selected for this study. As the result of this study, 1) Sound insulation performance of Multi-layer type of Double-skin Facades is very excellent about outdoor noise. 2) Vertical level is higher, it shows that more decreases sound pressure level.
MOCK-UP 실험을 통한 석재마감 커튼월의 전열성능 평가에 관한 연구
석호태,송승영,정지나,곽현철 대한건축학회 2006 대한건축학회논문집 Vol.22 No.8
Curtain wall systems are applied to a lot of buildings instead of multi unit wall and reinforced concrete structure. The indoor environment might be changed plentifully according to application of new outer skin system. The many fastening units are adopted to stone finished curtain wall, that often lead heat bridges finally occurring the environment problems like surface condensation and inside condensation material and also the increase of air conditioning energy consumption. The aim of this study is to know that the heat transmission feature of fastening system used for stone finished curtain wall. The heat performance of each curtain wall materials is measured through the mock-up test and the additional insulation for preventing thermal bridges is verified for improvement of insulation performance.
인체부하를 고려한 대규모 실내경기장의 동계 온열환경 특성 실측조사
석호태,채문병,최동호,Seok, Ho-Tae,Chae, Mun-Byoung,Choi, Dong-Ho 한국공간구조학회 2007 한국공간구조학회지 Vol.7 No.3
본 연구에서는 대공간의 동계시 인체발열에 따른 실내온열환경의 변화를 실측하고 난방조건 및 외부환경과 관련하여 대공간에서 형성되는 실내온열환경의 특성을 파악하는 것을 목적으로 한다. 본 논문에서는 대공간의 실내수직 및 수평온도분포, 객석의 온도분포, 실내표면온도분포, 객석의 풍속분포, 실내온열쾌적성 등의 실내온열환경을 검토한다. The purpose of this study is to grasp the characteristic of indoor thermal environment from large enclosures in connection with heating condition and outdoor environment. This study has measured indoor thermal environment in accordance with heat loads from occupant for large enclosures in winter. We examined indoor thermal environment of the large enclosures in this study which include temperature distribution vertical, horizontal, seat and surface and thermal comfort environment.