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저층 대형판매시설과 연결된 초고층 사무소건물의 연돌현상 평가 및 저감 설계 사례연구
유정연(Yu Jung-Yeon),송규동(Song Kyoo-Dong),조동우(Cho Dong-Woo) 대한건축학회 2010 대한건축학회논문집 Vol.26 No.3
In this study, we sought solutions to minimize the stack effect problems in a tall office building connected to a low-rise, large-scale shopping center. Toward this end, we carried out field research and experiments under different conditions involving previous construction cases. We applied procedures for minimizing stack effect problems as derived through case studies to design plans for new buildings. The proposed stack effect minimization procedures were reevaluated using the ContamW program and field tests. Based on our findings, our final choice among the stack effect minimization procedures that we evaluated would most likely reduce the pressure differences at the elevator doors in a tall office building by 50% compared to the original design plan.
초고층 복합건축물 엘리베이터에서의 연돌현상 저감방안 평가
유정연(Jung-Yeon Yu),송규동(Kyoo-Dong Song),조동우(Dong-Woo Cho) 대한설비공학회 2009 설비공학 논문집 Vol.21 No.2
The purpose of this study is to evaluate the stack effect reduction alternatives in tall complex buildings in cold climates. The main problems in tall buildings occur in elevators. Such problems as elevator doors that do not close and exhaust airflows result in excessive pressure differences across elevator doors due to stack effect. Under the expected conditions causing these pressure differences, Field measurcmcnts arc performed in three tall buildings. Each result of thc measurements is analyzcd in architectural design aspects. With these analysis, building design guidelines are proposed and analyzed by field measuremcnts and computer simulations.
유정연(Yu Jung-Yeon),김민희(Kim Min-Hee),송규동(Song Kyoo-Dong) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The purpose of this study is to find methods to minimize glare problem of a newly developed wall-type daylight collecting system. A total of six glare reduction methods were comparatively tested through measurements with physical scale models. The six glare reduction methods included light-guiding ceiling, planer light shelf, parabolic light shelf, horizontal louvers, vertical louvers and prismatic panel, all of which were attached to the wall-type daylight collecting system. The measurements were conducted under direct sunlit conditions for the winter solstice, summer solstice and the equinox.
제로카본 그린홈의 여름철 운영조건에 따른 실내 열환경 평가
유정연(Yu Jung yeon),조동우(Cho Dong woo),김기한(Kim Kee Han) 한국태양에너지학회 2020 한국태양에너지학회 논문집 Vol.40 No.2
The Korean government has a plan to mandate zero-energy buildings in 2020 for public and 2025 for private buildings. In order to design a zero-energy building, insulation and airtightness, which are the most basic elements of passive house technology, are required, and the government has been accomplished this through step-by-step strengthening of related standards. In passive house with high thermal insulation and airtightness performance, the heat introduced into the building through solar radiation can be stored for a long time to keep the inside warm during winter. On the other hand, during summer, heat introduced into the building cannot be easily released to outside, so it is necessary to actively block solar radiation and high temperature outdoor air to prevent an increase of indoor temperature. Therefore, this study aims to derive an appropriate operation condition of passive house to maintain the indoor temperature at an suitable level according to the ventilation methods and solar shading conditions. As a result, under the conditions that the outdoor temperature was 28°C or less, the ventilation using a heat recovery ventilation system at daytime and natural ventilation at nighttime were selected for the most appropriate operation method. In addition, in the case of solar shading, it was found that blocking solar radiation at daytime using the blind and open the blind at nighttime to ensure natural ventilation were selected for the most appropriate solar shading condition.
유정연(Yu Jung-Yeon),조동우(Cho Dong-Woo),유기형(Yu Ki-Hyung),정해권(Jung Hae-Kwon),양인호(Yang In-Ho) 대한건축학회 2010 대한건축학회논문집 Vol.26 No.12
The purpose of this study is to evaluate for application of the new type of floor heating system with an improved performance than an existed floor heating system in apartment houses. The warmer and moderate part Ondol system suggested in this study were applied to the experimental apartment house and the mock-up room. The field measurements for this system were executed in winter climates. As a result of field measurement, when the load differences between perimeter zone and central zone are increased, the separately controled Ondol system divided in the warmer and moderate part can be evaluated as the new Ondol system with a capability for suppling proper heating energy for each zone. The user can have the freedom for changing warmer parts and the moderate parts and controlling each temperature according to their needs.