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서울시 온실가스 저감을 위한 녹색건축물 전생애관리방안 체계 구축 연구
강혜진(Kang, Hae Jin),김지현(Kim, Ji Hyeon) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.2
In the case of new buildings in Seoul, buildings are to be designed according to the green building design standards, but data is managed sporadically and some are not collected, so a lot of time and effort is invested in understanding the design green building performance. In the case of existing buildings in Seoul, a number of building energy saving projects such as green remodeling projects are in progress, but there are difficulties in analyzing and managing the actual greenhouse gas reduction effect because the projects are scattered in each department. Therefore, we want to create a management system plan that can systematically manage the entire life cycle of a green building so that it can be effectively managed not only in the design stage but also in the operation stage. Based on this system, it is judged that it will be possible to more effectively secure the performance of green buildings and reduce greenhouse gas emissions by establishing a management system in the future.
공장건물의 기밀성능을 고려한 에너지 절감 전략에 관한 사례연구
강혜진(Hae Jin Kang),채민수(Min Soo Chae) 한국생활환경학회 2015 한국생활환경학회지 Vol.22 No.5
Increasingly strict energy policies, rising energy prices, and a desire for a positive corporate image currently serve as incentives for multi-national corporations to reduce their factories’ energy consumption. In this paper, the performance of energy conservation strategies focusing on infiltration reduction is evaluated. For the study, energy saving strategies related with infiltration performance has been derived and then the energy saving factors that can be applied to the base buildings are evaluated using air network model in EnergyPlus simulation program. According to evaluation results, 15% of total energy in base building can be saved compared with a base building.
라그랑지승수(Lagrange multipliers)법을 활용한 건물 에너지 최적화 디자인 도출을 위한 기초연구
강혜진(Hae Jin Kang),김혜연(Hye Yeon Kim),이언구(Eon Ku Rhee) 한국생활환경학회 2015 한국생활환경학회지 Vol.22 No.2
Energy consumption of a building mainly depends on how the building architectural design factors are combined. As such, a good combination of these design factors is considerably important for effectively reducing building energy consumption. This means that determining the optimal combination of factors that consume the least amount of energy will require many alternative studies. Nonetheless, it is possible to identify the optimal combination of factors without requiring numerous alternatives by using Lagrange multipliers method in optimization. However, at present, the applicability of this theory should be verified before actively applying it to architectural design. In this study, a basic research is carried out to examine whether the optimal design obtained via Lagrange multipliers method is consistent with the design option identified through numerous alternative simulation studies. To this end, a standard model is established and two variables that affect energy are designed. Experiments 1 and 2 are carried out to identify the optimal design through simulation and the Lagrange multipliers method, respectively, in order to verify the consistency between the two experimental values.
친환경건축물의 실내공기질 (TVOC, HCHO) 평가방식 개선을 위한 예측방정식 개발에 관한 연구
강혜진(Kang, Hae Jin),김혜연(Kim, Hye Yeon) 한국건축친환경설비학회 2015 한국건축친환경설비학회 논문집 Vol.9 No.2
The majority of certification systems evaluate indoor air quality by the considering the factors affecting the indoor air quality (e.g. interior architecture finishing, the possibility of bake out, ventilation rate, etc.) as individual items. These individual evaluation methods considering individual factors, offer a simple method for a rapid evaluation of indoor air quality during the planning stage of the method. However, these evaluation methods make it difficult to grasp the degree of overall improvement in the indoor air quality, and they cannot accurately reflect how much each of these items contribute to the indoor air quality improvement in terms of their weighted values. Although a number of programs have been developed for the evaluation of indoor air quality, they cannot perform rapid calculations because of being too complicated and requiring various input values. Hence, in this study, we aim to develop a certification system with a simple equation that can be used for an overall evaluation of the indoor air quality. To set up a variable to be input in the equation, the factors examined for the analysis included: wall/ceiling paper, adhesive for wall/ceiling paper, floor material, adhesive for floor material, and ventilation rate. The experimental design which helped us identify the main factors, among the main factors, with a minimum number of experiments was used as a measure to decrease the number of experiments. The indoor air quality scenarios were simulated using a validation equation, and the results of the simulations were used as data for multiple regression analysis for the development of load prediction equations.