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- 저자 : 조혜진 ( Jo Hye Jin ) (검색결과 79 건)
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조혜진 ( Hye Jin Jo ),심일우 ( Il Woo Shim ),유혁재 ( Hyuk Jae You ),김명수 ( Myung Soo Kim ),함현식 ( Hyun Sik Hahm ),박홍수 ( Hong Soo Park ) 한국유화학회 2005 한국응용과학기술학회지 Vol.22 No.1
N/A Na₂CO₃. Sodium orthosilicate (Na-OSi), Tetronix T-701 (T-701), Na-dioctyl sulfosuccinate (303C), Newpol PE-68 (PE-68), MJU-100A, and tetrasodium pyrophosphate were blended to prepare high performance alkaline cleaning agents (ACASs). The results of cleaning test with steel specimen showed that ACAS-6 (Na₂CO₃ 50g/Na-OSi 35g/T-701 20g/303C 18g/PE-68 17g/MJU-100A 10g/TSPP 20g/ water 180g mixture) had a good cleaning power. The cleaning power for press-rust preventing oil was 98% and 99% degreasing at 4wt%, 70℃ and 90℃, respectively ; for quenching oil, the cleaning power of ACAS-6 was 91% degreasing at 4wt% and 70℃. The foam heights measured immediately after foaming by Ross & Miles method and Ross & Clark method at 6wt%, 60℃ were 18㎜ and 65㎜, respectively. It was concluded that ACAS-6 had a good low foaming cleaning agent.
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에너지 효율등급과 연간부하를 고려한 공동주택의 창호 계획에 관한 연구
조혜진(Jo Hye-Jin),김기훈(Kim Ki-Hoon) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(계획계)
The Purpose of this report is energy saving on multi-housing of tower-type. The tower-type apartment house, on the average, has large grazing ratio more than flat-type. So, this report analysis energy load by the variation the grazing ratio and window U-value, and then, propose the proper wind size and type. The grazing ratio is changing to 4type - 37.8%, 49.6%, 65.3%, 78.9%. The standard multi-housing is arranged to the south and has balcony on all of window. The kind of window is selected by the energy performance evaluation. Then, annual load is analyzed by the TRNSYS 16.
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초고층 건물 최상층의 유입구 형상 및 개수에 따른 풍력에너지 평가에 대한 연구
조혜진(Jo Hye-Jin),유장열(You Jang-Youl),유기표(You ki-Pyo),김영문(Kim Young-Moon) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
Increases with the interest in renewable energy using wind power resources, many attempts have been used. In the past, produces an electricity in Large-scale wind turbine sector was the most, but the current trend in city attempts to introduce small wind turbines. However, these researches limited Computational Fluid Dynamics. In this paper, use effectively the preceded BIWP system experiments efficiency according to shape and the number of inlet.
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사물인터넷통신을 기반으로 한 LED 컨버터 제어 및 관리 시스템에 대한 설계
조혜진(Hye-Jin Jo),이윤주(Yoon-Ju Lee),최진탁(Jin-Tak Choi) 융복합지식학회 2015 융복합지식학회논문지 Vol.3 No.1
최근 전 세계적으로 에너지 부족과 고갈에 대한 문제점을 인식하고, 향 후 국가 경쟁력은 천연자원의 매장량이 아닌 보유하고 있는 에너지를 효율적으로 이용하고 재활용을 해야 한다는 인식의 변화에 따라, 최근 IT분야에서는 친환경적 발전을 중요시하는 Green-IT에 대한 관심이 높아졌으며, 기존 모바일 장치의 발전으로 이룬 무선 인터넷 통신 분야를 보다 확장하여 이동 모바일 장치뿐만 아니라 모든 사물이 인터넷 망을 이용하여 인터넷에 접속 해 서로 통신하는 IoT(Internet of Things)기술이 최근 유럽과 미국을 중심으로 빠르게 확산되고 있는 추세이다. 이에 본 연구에서는 최근 IT동향에 맞게 IoT를 이용하여 건물 내의 LED 조명을 보다 효율적으로 제어·관리할 수 있는 LED컨버터 제어 및 관리 시스템에 대한 설계 기법에 대해 서술하고, 이를 통해 이루어지는 Green-IT, 그리고 향 후 스마트그리드의 진행 및 발전 방향을 제시한다. As the entire world is becoming more aware of the problems regarding the energy depletion and due to the shift of the awareness in recent years that a nation’s competitiveness depends on how the country effectively uses its energy and natural resources rather than amount the country possesses, people’s interest on Green IT giving emphasis to the environment-friendly development, such as the Smart Water Grid and Smart Grid, is ever increasing in the IT industry. Furthermore, with the expansion of the field of internet communication achieved with the advancement of various mobile devices, the IoT(Internet of Things) technology, a technology that enables all objects to be connected to the internet for inter-communication, is rapidly spreading in the United States and Europe in recent years. Therefore, in accordance with the recent IT trend, this study illustrates the design method for led converter control and management system, facilitating to effectively control and manage indoor LED lightings by utilizing IoT and suggests the future directions for progress and development for Green-IT and Smart Grid.
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실험을 통한 BIPV/T 시스템 성능분석 2 : 시스템 열성능
조혜진(Jo Hye-Jin),이현주(Lee Hyeon-Ju) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.3
BIPV/T (Building Intergrated Photo Voltaic/Thermal) is combined system produces electricity and thermal energy. The heat from PV modules should be removed for better electrical performance, and can be converted into useful thermal energy. The test system is installed to top floor of the experimental house in the KEPCO Research Institute. The experimental performance is executed from 13th February to 13th March, 2012. The expected system's thermal performance is 1.9kWh under the haizontal solar radiation is 600W/m2 and the air flow in the system is 20CMH/m2.
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