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성기현(Gi Hyun Sung),염동우(Dong Woo Yeom),배희득(Hui Deuk Bae),김지은(Ji Eun Kim),김청균(Chung kyun Kim) 한국가스학회 2016 한국가스학회 학술대회논문집 Vol.2016 No.6
본 연구에서는70MPa의 압력 하에 수소자동차용 알루미늄 라이너의 강도 안전성에 대해 요소 해석을 통해 3차원 알루미늄의 응력에 대해 분석하였다. 그리고 탱크내의 가장 약한 부분이라고 예상되는 위치에 부재를 추가적으로 더하여 안전성을 높이고자 하였다. 또한 알루미늄 라이너의 강도 높이기 위해 자긴공정(Autofrettage process)을 통해 알루미늄 탱크의 안전성을 확보하고자 하였다. 또한 알루미늄 라이너의 외부에는 탄소섬유(Carbon fiber)등 복합재를 이용하여 내부압에 대해 더 버틸 수 있도록 하였다. 알루미늄은 공업적으로 가장 많이 사용되고 있는 Al-7075 T6와 Al-6061 T6(AISI) 두 가지 물질을 가지고 비교해보기로 하였다. 추가적 부재를 더하는 라이너에서의 응력을 FEM 해석 결과 응력집중의해 주변부에 응력집중이 나타나 안전성에 더욱 문제를 일으키는 결과를 얻을 수 있었다.
초고층 주거복합 건축물의 지속가능성 평가지표의 가중치 설정 및 모의 평가 연구
이규인(Lee Kyu-In),염동우(Yeom Dong-Woo) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.3
In these days, construction of super high-rise residential complexes have been increased in Korea. Therefore, developing assessment method to attain high sustainability of super high-rise residential complexes became critical issues. The former study for this subject had been done about assessment indicators and sustainable assessment standards of super high-rise residential complexes. As a follow-up study, the objective of present study is to establish weight of assessment indicator for developing assessment method of super high-rise residential complexes, and to test scoring super high-rise residential complexes for studying present condition on sustainability. For this purpose, importance level of assessment indicators on social, economical, and environmental sustainability has been searched through designers who have experiences on super high-rise residential complex design, and weight for each field and importance level for each assessment indicator were analyzed. And then, assessment scores were produced by weight of each assessment indicator. These weight and scores are basis of grade system for assessing sustainability, and also foundation for developing assessment method for sustainability.
농촌형 그린홈 계획을 위한 생태재료 ‘왕겨’의 단열성능 실험 연구
김은진(Kim Eun-Jin),염동우(Yeom Dong-Woo),이규인(Lee Kyu-In) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.8
As consideration about high oil prices and CO2 reducing increase recently, residents lived in detached houses are concerning heating and cooling costs more than before. As a result, low energy house with various techniques has developed, but reasonable construction fee is still a special issue to apply rural housing. The purpose of this study is to verify appropriate construction type, proper high insulation and affordable material for rural green home by the experimental method. Therefore, two full scale mock-ups were constructed, one with ecological material (Rice hull) and the other with sandwich panel which are commonly used in rural area, and both mock-ups were designed with PHPP2007 for thermostatic simulation. Temperature, humidity, and heating energy were checked by the monitoring system, and thermal performance and applying possibility for rural green home were verified.
농어촌형 그린홈의 에너지 시뮬레이션 및 Mock-up실험체를 통한 성능평가
김은진(Kim Eun-Jin),염동우(Yeom Dong-Woo),이규인(Lee Kyu-In) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
The purpose of this study was to find out right construction style for the rural green home which is reasonable price and high energy performance. so we did energy simulation each construction style and efficiency assessment of rural green home Mock-UP. We simulated four construction style which are standard case, wooden case, ecological case (rice husks), sandwich panel with PHPP wich is passive house simulation program. According to the simulation, we selected ecological case (rice husks), sandwich panel to analysis their efficiency for rural green home by Mock-up scale. Mock?up was checked temperature, humidity
친환경 건축물 인증 공동주택의 거주자 만족도 조사를 통한 평가기준 개선방향 연구
이규인(Lee Kyu-In),염동우(Yeom Dong-Woo) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.12
As international considerations about the Environmental Assessment on Green Buildings increase, KGBCC(Korean Green Building Certification Criteria) was developed in 2000 and has operated since 2002 in Korea. The objective of this study is to research residents' awareness about KGBCC, residents' satisfaction level, and the cause of dissatisfaction about KGBCC assessment standards which based on residents of the KGBCC certified apartments. For the research, the questionnaire about awareness of KGBCC, satisfaction level, and the cause of dissatisfaction were surveyed through residents of the KGBCC certified apartment in Samsan District, Inchon. The survey results were analyzed and compared with the assessment score, and improvement ways of KGBCC were suggested.