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화학사고 장외영향평가 지원 프로그램(KORA)의 활용도 증대를 위한 제언
김정곤(Jungkon Kim),류지성(Jisung Ryu),류태권(Taekwon Ryu),곽솔림(Sollim Kwak),임형준(Hyeongjun Lim),최우수(Woosoo Choi),정진희(Jinhee Jung),이지은(Jieun Lee),임동연(Dongyeon Lim),윤준헌(Junheon Yoon) 한국환경보건학회 2018 한국환경보건학회지 Vol.44 No.2
Objectives: All enterprises intending to install and operate hazardous chemical handling facilities should prepare an off-site risk assessment (ORA) report that evaluates the impact of potential chemical accidents on the surrounding environment and population. This study was conducted to introduce the process of development and the functioning of the Korea Off-site Risk Assessment support tool (KORA) developed by the National Institute of Chemical Safety and to suggest manners to increase its utilization. Additionally, this article provided an overview of KORA. Methods: In order to identify problems with and refinements for KORA, the required items for each phase of KORA were derived by analyzing the Chemical Control Act and related administrative regulations. Results: The functions of KORA made receptor-considered assessment of chemical accidents possible, but several limitations were found in particular phases, such as the analysis of impact range, consideration of sensitive receptors, and assessment of environmental receptors. Conclusion: In this study, we suggested manners to increase the utilization of KORA. It is anticipated that the further research suggested in the study could contribute to the stabilization of the KORA system.
CFD를 이용한 박스형 건물의 풍압분포 분석에 관한 연구
신동신(Dongshin Shin),박재현(Jaehyun Park),강보미(Bomi Kang),김은미(Eunmi Kim),임형준(Hyeongjun Lim),이진영(Jinyoung Lee) 대한설비공학회 2016 설비공학 논문집 Vol.28 No.1
This paper studies the wind pressure distribution over the Commonwealth Advisory Aeronautical Council building model (CAARC model) using CFD. We also considered the interaction between the CAARC model and other buildings. The Reynolds number based on the building height was 380,000. The number of sells for the simulation was about 500,000. The wind pressure was lowest when the wind direction was blowing at an angle 45 degrees of the CAARC model. When the gap between the two buildings in front of the CAARC was over 1/2 the horizontal length of the CAARC model, the wind pressure was higher than the pressure without the two buildings. When the distance between the two front buildings and the CAARC was less than 1.5 times the vertical length of the CAARC model, the wind pressure increased. Accordingly, the relative distance between two buildings or the distance from the CAARC model should be considered when extra wind exists due to other buildings.