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제로에너지건축물 인증을 고려한 공동주택 태양광 발전시스템 적용 방안
원종연(Won, Jong-Yeon),태영란(Tae, Yeong-Ran) 한국건축친환경설비학회 2021 한국건축친환경설비학회 논문집 Vol.15 No.3
This study examined the applicable capacity of the photovoltaic system of two blocks of the apartment complex for each ZEB certification grade through a solar simulation program. District heating is applied to the two blocks of the apartment, and the Ⓐ block is higher-rise than the Ⓑ block. Accordingly, since the Ⓐ block has a relatively long district heating pipe length and pumping power, the primary energy requirement was calculated to be higher. As a result of calculating the PV applicable area of the roof and the facade using the solar simulation program, the roof was found to be in the range of 54 to 73% depending on the building arrangement, and it was analyzed that the average of 65% was applicable. The facade was found to be available as much as 15% of the total facade area in the southeast and 20% in the southwest. As a result of applying the PV system according to the ZEB certification grade, it was analyzed that up to Grade4 can be achieved only by the rooftop area, and it was found that the facade area from Grade3 should be available. As the maximum achievable level, Ⓐ block was analyzed as ZEB Grade3 and Ⓑ block as Grade2.
정상상태 3차원 열전달해석 프로그램을 활용한 복도식 공동주택의 단열 및 복도공간 개선에 따른 열손실량 분석
이도형(Lee, Do-Hyung),원종연(Won, Jong-Yeon),변수영(Byun, Soo-Young) 한국건축친환경설비학회 2020 한국건축친환경설비학회 논문집 Vol.14 No.6
As of 2019, the amount of energy used in apartments accounts for the largest portion of residential buildings, accounting for 59 percent. Due to the desperate need for energy saving efforts in apartments, this study used a steady state three-dimensional heat transfer analysis program to compare the temperature distribution and the amount of heat loss depending on the insulation conditions of apartments. The effect of temperature improvement in the proposal plan of creating a thermal buffer space in the corridor compared to the original plan, which is an apartment with internal insulation but does not have continuous insulation between generations and corridors, was shown to be significant. In terms of heat loss, it was also shown that the proposal plan was significantly reduced.
정삼동(Jung Sam Dong),원종화(Won Jong Hwa),조우연(Cho Woo Yeon),김문겸(Kim Moon Kyum) 대한토목학회 2007 대한토목학회논문집 A Vol.27 No.4A
셀식 구조물은 대표적인 불연속 구조체로서 일반적인 연속체 해석기법의 적용이 난해하여 전단저항력에 관한 평가기법이 명확하게 확립되어 있지 않다. 본 연구에서는 셀식 구조물의 내부채움재에서 발생하는 전단저항력을 정량적으로 평가하기 위한 전단저항력 해석기법을 제안하고 전단변형실험을 통하여 제안된 해석기법의 적용성에 대하여 검토하였다. 전단저항력 해석기법은 개별요소법을 도입함으로써 연속체에서 불연속체 거동까지의 일련의 과정에 대하여 모형화가 가능하고 이들의 정동적 해석을 수행할 수 있다. 또한 내부마찰각과 상재하중을 전단저항력의 주요영향인자로 선정하고 케이스별 해석을 설시하여 이들이 전단저항력에 미치는 영향을 분석하였으며, 이는 실험 결과와 매우 유사한 거동을 보임을 확인하였다. It is rather difficult to apply finite element methods to a cellular structure due to the fact that it is a typical model of discontinuous structures, and there are no clearly established evaluation techniques regarding its shear resistance. This paper presents an analytical approach on the shear resistance force of fill materials in a cellular structure. In order to solve the issue, shear resistance analysis was performed by introducing displacement incremental analysis into the distinct element method, which enabled it to modelize not only continuous but also discontinuous structures for static and dynamic analyses. Also, friction angle and vertical load were selected as main factors influencing shear resistance, and their effect on shear resistance was analyzed through a case study. This approach has led to a conclusion in which the computational results are in close agreement with the experimental ones.
건물의 에너지 절약을 위한 외기냉수냉방 시스템에 관한 연구
김세훈(Kim.Se-Hun),원종연(Won.Jong-Yeon),이언구(Rhee.Eon-Ku) 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
Using energy economically and environment - friendly is important. Recently the cooling load in buildings is increasing even in winter. Free cooling can be a very energy efficient way for buildings that are high in cooling load all year round. In this research economical aspect of free cooling and problems of operation were studied through surveys of buildings that need all year round cooling load. On the basic theory and then designs guide lines of using free cooling and upgraded operation method are suggested.<br/> Through developments of design guide lines and control algorithm free cooling system is expected to be adopted in new buildings as well as building renovation.
2050 탄소중립 실현을 위한 공동주택 기계설비 에너지로드맵 수립 연구
이도형(Do Hyung Lee),원종연(Jong Yeon Won),최윤철(Yun Chull Choi),양동헌(Dong Heon Yang) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
This study conducted a sensitivity analysis of mechanical equipment elements according to supply type and heating type of the house for 500 households supplied by LH. Accordingly, an optimal setting plan for each ZEB grade was presented, and the effects of energy cost and carbon emission reduction were analyzed. In the standard type model, it was found that the difficulty of achieving ZEB was higher in the public tract house than in rental house. It is judged that it is necessary to optimize mechanical equipment and improve performance in order to achieve high-level ZEB. According to the annual sapartment supply plan, apartment supplied in 2050 can be expected to reduce energy costs by 79.7% and carbon emissions by 94.6% compared to apartments supplied in 2021.
국내 비주거용 건물을 대상으로 한 제로에너지건축물 본인증 사례와 기술요소 분석
전지운(Jeon, Ji-Woon),송국섭(Song, Gook-Sup),전인아(Jun, In-Ah),원종연(Won, Jong-Yeon) 한국건축친환경설비학회 2018 한국건축친환경설비학회 논문집 Vol.12 No.5
This report presented the process of ZEB (zero energy building) main certification for a office building based on Korean regulation. The total design strategies were included combining passive design, active design, renewable energy generation and BEMS (building energy management system). Finally, the primary energy consumption was calculated to 137.2 ㎾h/㎡.y and CO₂ emission was 27.0 ㎏/㎡. The building energy efficiency rating was evaluated 1<SUP>++</SUP> grade. Preliminary certification for ZEB was acquired through the energy consumption/generation calculation using the ECO2 official simulation program. The main certification for ZEB was acquired through the inspections for the design elements after the building construction.