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소형챔버 및 데시케이터를 이용한 비-판상형 목재제품의 오염물질 방출량 분석
강유진(Yujin Kang),김현진(Hyunjin Kim),이준규(Jun-Gyu Lee),류정민(Jungmin Ryu),심인근(Inkeun Shim),김수민(Sumin Kim) 한국생활환경학회 2021 한국생활환경학회지 Vol.28 No.4
As wood products emit volatile organic compounds (VOCs) and formaldehyde that are harmful to the human body, the regulation on the emission rates and the labeling as per emissions are run. The management regulations and standards for measuring the emission rates of pollutants are mainly intended for flat types. However, wood products are manufactured and used in various forms. In this study, therefore, a test method for non-flat-type wood products applicable to the small chamber method and desiccator method for measuring the emission rate of pollutants was proposed; and the emission intensity of total volatile organic compound (TVOC), toluene, and formaldehyde from the molding was analyzed. As the measuring results, when the exposed surface in the test chamber was curved, the loading factor of the specimen increased; so the difference occurred up to 33% compared to the emissions assuming that the result was flat. Through various test results, the necessity for the management of the emission rates of pollutants in the moldings was confirmed.
PHPP를 활용한 조적, 콘크리트, 목조 레이어 구성별 표준주택 냉·난방 에너지 요구량 평가
강유진 ( Yujin Kang ),이준희 ( Junhee Lee ),이화영 ( Hwayoung Lee ),김수민 ( Sumin Kim ) 한국목재공학회 2017 목재공학 Vol.45 No.1
A lot of the energy are consumed on heating and cooling in buildings. The buildings need to minimize the heating and cooling loads for CO<sub>2</sub> emissions and energy consumption reduction. In recently, also demand of detached houses were increase while the residential culture was changed. The structure of the domestic detached houses can be divided into masonry, concrete, wood frame houses. Therefore, in this study, the heating and cooling load and energy demand were analyzed on the equal area detached house consisting of three structural methods (Masonry, Concrete, Wood frame). Layer of wall, roof, and floor were composited by structure. Thermal transmittance (U-value) of each layer was using the PHPP calculation for considering stud, such as the wood frame wall. In addition, the case of without considering for studs in wood frame wall (Non-studs) was analyzed in order to compare the difference between studs or not. Analysis was performed using self-developed heating and cooling load calculation program (CHLC) based excel and ECO2. The results of cooling and heating load and energy demand showed the highest values in the wood frame structure, and the concrete structure were confirmed to maintain a high value secondly. Two structure were determined to be disadvantageous on the energy consumption. Consequently, the masonry structure have an advantage over the other structure under the identical conditions. It was determined that if the except for thermal bridges due to the studs in the wood frame structure, it can be reduced the energy consumption.
탄소나노소재 기반 혼합 석고보드 제조 및 열·습기 성능 분석
강유진(Kang, Yujin),이화영(Lee, Hwayoung),김수민(Kim, Sumin) 대한건축학회 2016 대한건축학회 학술발표대회 논문집 Vol.36 No.2
The CO₂ emission of the buildings continually were increased. It is caused by the energy consumption that takes possession of a great part of the occurrence. In the buildings, the building materials are the primary element determining the energy consumption. Among that, the gypsum board is mainly used for interior finishing material. Therefore, the thermal performance and the performance for influence by moisture in the gypsum board were improved using to the carbon nano-materials called porous material. The 10wt% carbon nano-materials were composited in gypsum by the mass percentage of the gypsum. The specimens of the gypsum board were prepared to 100 x 100 x 20 mm of size using by mold. Prepared the compound gypsum boards (S1, S2, S3) were analyzed for hygrothermal performance, and were evaluated the effect on buildings as compared with reference gypsum board (R1). At the analysis results, the density of compound gypsum boards was confirmed that is decreased for 30% compared to R1. The thermal conductivity of S1, S2, and S3 was confirmed that is decreased 31%, 35%, and 44%, respectively, compared to R1. The water vapour resistance factor of compound gypsum boards was generally decreased by R1. The value of S1, S2, and S3 is increased gradually, however, in contrast with the value of thermal conductivity. Consequentially, a high-function gypsum board is produced, and its gypsum board is expected that bring effect on the heating and cooling energy reduction and the peak load reduction, after that applied in the interior materials.
입양대기아동 가정위탁 보호제공자의 돌봄경험에 관한 내러티브 탐구
강유진(Yujin Kang),이선혜(Sun Hae Lee) 한국가족치료학회 2019 가족과 가족치료 Vol.27 No.4
본 연구는 국외입양을 기다리는 아동을 위탁양육한 경험이 있는 여성들을 대상으로 그들의 위탁양육 경험과 의미를 심층 조명하고 아동 생태환경으로서 위탁가정의 지원에 대한 시사점을 제시하고자 하였다. 이를 위해 국외입양 전문기관을 통해 위탁모로 활동한 여성 4명을 모집하여 Clandinin과 Connelly(2000)의 내러티브 탐구(Narrative Inquiry) 방법과 절차에 따라 면접을 진행하고, 이들의 내러티브를 이야기하기(telling)와 다시이야기하기(retelling)의 두 가지 연구텍스트로 재구성하였다. 연구결과, 이야기하기(telling) 단계에서 연구참여자들은 각각 위탁가정을 ‘따끈따끈한 볶음밥’, ‘마음의 안식처’, ‘무거운 것’, ‘자신감을 준 계기’로 정의하였으며, 다시이야기하기(retelling) 단계에서는 이들의 개인적 경험과 의미가 사회문화적 맥락 속에서 서로 교차하고 재구성되는 과정을 잘 보여주는 집단내러티브가 구성되었다. 이러한 연구텍스트에 기초하여, 본 연구는 국외입양대기아동에 대한 가정위탁보호서비스가 위탁아동만 뿐만 아니라 위탁모와 위탁가정구성원이 함께 발달하고 성장하는 과정임을 확인하였다. 결론에서는 사회적 구성과정으로서 가정위탁보호서비스에 대한 이해의 확산 그리고 법적 근거 마련 및 지원체계 개선에 대한 필요성을 제언하였다. Purpose: The purpose of the study is to describe in depth the experience and meaning of women who have provided foster care for children listed for overseas adoption. Method: The authors conducted a narrative inquiry dictated by Clandinin and Connelly (2000) on four women with such experience. Study participants were interviewed both individually and in groups, after which a two part research text of telling and retelling was constructed. Results: In the telling stage, the participants each defined a foster family as ‘warm fried rice’, ‘heaven of heart’, ‘something heavy’, or ‘confidence-gaining’. In the retelling stage, a group narrative was constructed which revealed the process of each individual’s experience and meaning interacting with those of others and being reconstructed within the sociocultural context. This study in all showed that foster caring of children listed for overseas adoption is a process of development and growth not only for those children but also for foster mothers and their family members. Conclusion: The authors emphasized the need for enhanced understanding of foster care as a social construction process as well as the need for a legal basis to improve support for these families.
김은선(EunSun Kim),강유진(Yujin Kang),조윤식(Yoon-Sik Cho) 대한전자공학회 2024 대한전자공학회 학술대회 Vol.2024 No.6
Large Language Models (LLMs), which trained on a larger corpus of dataset with huge number of parameters, outperform language models in general tasks. However, as LLMs are increasingly used across different fields, the risk of personal information leakage has increased. In this study, we explore the potential for privacy leakage posed by LLMs, specifically focusing on a Korean-specialized LLM. To analyze the patterns of personal information leakage, we fine-tuned Korean LLM on simulated Korean personal data. When prompted with personal information about a target individual, we find that the LLM partially matches the provided information and generates information that does not match the target but exists in the training dataset.