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스틸 하우스 적용 스틸 스터드의 형상에 따른 단열성능 비교 연구
장철용(Jang Cheol-Yong),이나은(Lee Na-Eun),엄은정(Um Eun-Jung) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월
The dry wall using steel stud is used to buildings in the inside and outside of the country because it has the merit that application is possible to various architecture. The purpose of this study is to measure thermal performance of dry wall which uses steel stud transformed one by using measurement equipment to decrease heat bridge of steel stud and ensure heat performance as dry wall. As a comparative performance test result, dry wall which uses steel stud transformed one has a performance enhancement compare with the dry wall using general steel stud.
Tilt & Sliding 시스템창호의 단열성능 실측과 시뮬레이션 비교 분석
장철용(Jang Cheol-Yong),안병립(Ahn Byung-Lip),김치훈(Kim Chi-Hoon),홍원화(Hong Won-Hwa) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월
The parts of building which has the most influence on thermal load are skins, outer walls and windows. Among them, window is the worst weak point of building even if it has many advantage of solar radiation gain than other parts. The present time, many researches on various performance of window and many types of system-window are being made. This study evaluates thermal performance of tilt & sliding system window by simulation program Therm 5.2 and Window 5.2. After making a sample model improving it's thermal weak point, this study evaluates real thermal performace of system window. As a result, this study understands manufacture ability condition of domestic company and proposes a research plan of system window.
공동주택의 건축물 부위 열성능 변화를 통한 건물에너지 효율등급 평가
장철용(Jang Cheol-Yong),이진숙(Lee Jin-Sook),한혜심(Han Hye-Sim) 한국태양에너지학회 2010 한국태양에너지학회 학술대회논문집 Vol.2010 No.4
Generally for improvement of energy saving and thermal performance, building exterior's enhancement of wall or window is efficient for heating energy saving. In this paper, the change of grade will be examined considering the wall's thermal performance in contradistinction to standard housing. And then, countermeasures will be proposed for gain higher grades in a response to strengthened 2010 Building Energy Rating Systems. U-value(Heat Transmission Coefficient) of each region's standard housing is improved to 40% from 10%.
장철용(Cheol-Yong Jang),조수(Soo Cho),성욱주(Uk-Joo Sung),이진성(Jin-Sung Lee) 한국생활환경학회 2004 한국생활환경학회지 Vol.11 No.3
In the present study the heating characteristics of the by passed heat pump using an inverter compressor are experimentally investigated. The test is executed in two rooms of identical condition. To one test room it established the Heat pump, to the other it established the electricity heater. During the test, the each room was maintained with 23℃. The purpose of the test is comparison with heat pump and electricity heater power consumption. At the result of the test, heat pump is saved on electric power consumption 59.5% than electric heater. At total supplied heat, heat pump supply 18,878 ㎉ and electricity heater supply 1,110 ㎉. COP of heat pump is 2.87. When outdoor temperature is high, the COP value was high.
장철용(Jang Cheol-Yong),김치훈(Kim Chi-Hoon),안병립(Ahn Byung-Lip),홍원화(Hong Won-Hwa) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.2
Currently, Exterior wall's U-value about building envelope is 0.36W/㎡K(Central Region), but window's one is 2.1W/㎡K according to air gap of glazing, filling gas, coating and type of windows. The door's one is 1.6∼5.5 W/㎡?K depending on material and configuration of door. As such, energy loss per unit of door is considerably larger like windows. The door for the recognition was relatively low because energy loss through the door is relatively small compared to window area. In this paper, thermal performance was analyzed through simulation targeting the door which has thermal break that can improve the insulation performance and doesn't have one. As a results of simulations, case1 was calculated as the average of 1.63w/m2k and case 2 was calculated as the average of 4.14w/m2k. The thermal performance of door depends on the type and condition of insulations. As a results of final simulations, Case1 was calculated as 1.06w/m2k and Case2 was calculated as 1.27w/m2k. As a results of the experiments, thermal performance of case 1 was measured as 1.28w/m2k. Error between experiments and simulations is considered problems encountered when creating the samples. The effect of door frame on the overall thermal performance is slight because it's a small proportion of the door frame.
지역별 발코니확장 전용 진공창의 건물에너지효율등급에 관한 연구
장철용(Jang Cheol-Yong),안병립,한혜심(Han Hye-Sim),Kim Chi-Hoon 한국태양에너지학회 2010 한국태양에너지학회 학술대회논문집 Vol.2010 No.11
Generally, the building's windows and ventilation for the purpose of mining and the vista and windows by emotional engineering design area is a growing trend. According to the flow of energy is lost from the building, will be achieved through the walls and roof and windows. Although the basic concept of vacuum window was already initiated in 1893, it has not been developed completely until now because of the lack of manufacturing technology. Recently KIER (Korea Institute of Energy Research) succeeded in developing prototype vacuum window glazing in the lab. By applying the results of this experiment to building energy efficience rating tool, this study compares energy efficiency rates depending on a region.-Jeju, South, Central. And it shows how much does Super window reduce Building energy consumption.
장철용(Jang Cheol-Yong),김치훈(Kim Chi-Hoon),이나은(Lee Na-Eun) 한국태양에너지학회 2010 한국태양에너지학회 학술대회논문집 Vol.2010 No.11
Generally, the building's windows and ventilation for the purpose of mining and the vista and windows by emotional engineering design area is a growing trend. According to the flow of energy is lost from the building, will be achieved through the walls and roof and windows. Although the basic concept of vacuum window was already initiated in 1893, it has not been developed completely until now because of the lack of manufacturing technology. Recently KIER (Korea Institute of Energy Research) succeeded in developing prototype vacuum window glazing in the lab. The results of this study are as follows; 1)Thermal performance of insulated Vacuum Glazing measured as 1.0W/㎡℃ 2)Vacuum Glazing's reduction rates increased 8.82% from 29.54% to 38.36% when it is compared to normal windows. 3)Building energy efficiency rating elevated from 3rd rating to 2nd rating.
열화상 측정장비를 활용한 스틸스터드 형상에 따른 열성능 비교분석
장철용(Cheol-Yong Jang),엄은정(Eun-Jung Um),이나은(Na-Eun Lee) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
Dry wall using steel stud has the advantage of possibility to install various building, so it used to many buildings inside and outside of the country very rapidly. Though Light gauge steel framed housing offers many advantages to the consumer and the builder, the use of steel studs in wall system cause thermal problems such as thermal performance and pattern staing on walls. The present study has been conducted to observe effect of stud by the shape, and two kind of stud is made for this test to compare thermal performance. The test was conducted by setting those stud on the chamber and heating them. As the results of test and photograping by using TVS, there was temperature gap of each stud, and surface temperature of each section was appeared differently due to shape of stud delaying thermal bridge.
장철용(Jang Cheol-Yong),안병립(Ahn Byung-Lip),김치훈(Kim Chi-Hoon),홍원화(Hong Won-Hwa) 한국건축친환경설비학회 2010 한국건축친환경설비학회 학술발표대회 논문집 Vol.2010 No.10
Currently the country's foreign energy dependence reaches approximately 97% and the total energy consumption percentage of buildings(commercial and domestic parts) reaches approximately 24%. Building energy saving by enhanced insulation will be very important issue. Therefore, the solution is required to reduce energy loss and increasing displeasure caused by excessive influx of solar energy through windows, to solve the problems like decoloration on indoor furniture an clothes by harmful ultraviolet rays, air conditioning and increased cost. This research used for commercialization and dissemination by basic information.,through a evaluation on airtightness and insulation performance of the window of high efficiency energy equipment which can improve the airtightness and insulation performance