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Kim, Young-Ryun,Lee, Moonjin,Jung, Jung-Yeul,Kim, Tae-Won,Kim, Daejoong PERGAMON 2019 MARINE POLLUTION BULLETIN Vol.139 No.-
<P><B>Abstract</B></P> <P>In this study, a system was established to perform an initial environmental risk assessment of hazardous and noxious substances (HNS) spill accidents. Initial environmental risk assessment was performed using exposure and hazard assessments. An integrated hydrodynamic and chemical fate model was used to predict HNS concentrations at harbors, taking into account local environmental conditions. To consider the worst case HNS spill accident, the spill amount of 10,000 tonnages, was used for this study. The results show that highly soluble HNS are fatal to marine organisms during the neap tide. The results were based on a hypothetical worst case HNS spill accident and, not any specific actual HNS spill accident. Nevertheless, the method and system developed in this study, which includes the physical/chemical properties of 158 priority HNS, can be readily used to perform an initial environmental risk assessment for future HNS spill accidents.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A system has been established to perform the initial environmental risk assessment of HNS spill accident. </LI> <LI> The system can predict the HNS concentrations at harbor areas, taking into account local environmental conditions. </LI> <LI> The spilt HNS of high solubility are fatal to marine organism during the neap tide. </LI> </UL> </P>
이문진(Moonjin LEE),김혜진(Hyejin KIM),김선영(Sun-Young KIM),서장원(Jang-Won SEO) 한국항해항만학회 2010 한국항해항만학회 학술대회논문집 Vol.2010 No.추계
해양사고 발생시 효율적인 대응을 위한 정보지원시스템을 연구하였다. 미국을 중섬으로 현재 개발되어 운영 중인 해양사고 대옹 지원 정보시스템의 사례를 연구하였으며, 국내 해양사고 발생시 활용할 수 있는 정보시스템의 현황을 검토하였다. 국내외 사례 검토를 통하여 외국 시스템과 국내 시스템의 차이 및 시사점을 분석하였으며, 국내 시스템의 향후 개발방안을 고찰하였다. 또한 국내 해양사고 대응 지원 정보시스 템의 성공적 개발 및 효율적 운영을 위한 기반 구축 및 체제 정비 방안을 제시하였다.
[재료] STS 316L의 고온 피로균열에 미치는 인장유지시간의 효과
김문진(Moonjin Kim),임병수(Byeongsoo Lim) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
The heat resistant material, in service, may experience static loading cyclic loading, or a combination of two. An experimental study of crack growth behavior of STS 316L austenitic stainless steel under fatigue, and creep-fatigue loading conditions were carried out on compact tension specimens at various tensile hold times. In the crack growth experiments under hold time loading conditions, tensile hold times were ranged from 5 seconds to 100 seconds and its behavior was characterized using the ??K parameter.<br/> The crack growth rates generally increase with increasing hold times. However in this material, the trend of crack growth rates decreases with increasing hold times for short hold time range relatively. It is attributed to a decline in the cyclic crack growth rate as a result of blunting at the crack tip by creep deformation<br/>