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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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The Korean 2nd basic plan for management of high-level radioactive waste presented a plan to manage spent nuclear fuel through dry storage facilities in NPP on-site. For the construction and operation of the facility, it is necessary to develop the monitoring system of the integrity of spent nuclear fuel before operation. NUREG-1536 recommends that the theoretical cask array, typically in the 2×10 array, should account for shadowing effect among the dry storage casks. The objective of this study was to evaluate neutron flux accounting for shadowing effect among dry storage casks. The neutron release rate was evaluated using ORIGEN based on the design basis fuel condition. And the simulation of dry storage casks and evaluation of the shadowing effect were performed using MCNP. Shadowing effect of other dry storage casks was the highest at the center of the dry storage facility of the 2×10 array compared with the outside of the cask. The shadowing effect of neutron flux on the surface among the metal casks was approximately 18% at point 1, 23% at point 2, and 43% at point 3. For the concrete casks, the shadowing effect of neutron flux on the surface was approximately 46% at point 1, 51% at point 2, and 52% at point 3. This means that correction is necessary to monitor the integrity of spent nuclear fuel in each dry storage cask through evaluation of shadowing effect. The results of this study will be used for comparative analysis of neutron measurement data from spent nuclear fuels in dry storage cask. Additionally, the neutron flux evaluation procedure used in this study could be used as the basic data of safety assessment of dry storage cask and development of safety guide.

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기사명 저자명 페이지 원문 목차
Efficacy evaluation of alpha/beta radioactivity screening in urine samples using liquid scintillation counting Ki Hoon Kim, Jae Seok Kim, Won Il Jang, Seokwon Yoon p. 101-107

원자력 선박 적용을 위한 국내 원자력 안전규제 개선 및 적용방안에 관한 고찰 = A study on the improvement and application plans of Korean nuclear safety regulations for their application on nuclear powered ships 김재현, 장준섭, 권승민, 김신형 p. 109-115

국내 원자력발전소 방사선작업에 대한 피폭 분석 및 대표 고 피폭 작업 선정 = Exposure analysis and selection of representative high exposure tasks for radiation work in domestic nuclear power plants 이찬양, 임영기, 김광표 p. 117-126

수질오염 제염을 위한 세슘 선택성 상자성 코어 무기복합제염제 개발 = Development of cesium-selective paramagnetic core inorganic composite agent for water decontamination 홍성표, 강보선 p. 127-132

경수로 사용후핵연료 건식저장용기 간 중성자 표면선속 간섭률 평가 = Evaluation of neutron flux accounting for shadowing effect among the dry storage casks 곽민우, 이신동, 김광표 p. 133-140

Analysis of the likelihood of internal radiation exposure when decommissioning a nuclear power plant in Korea Jiung Kim, Tae Young Kong, Seongjun Kim, Jinho Son, Changju Song, Jaeok Park, Seungho Jo, Hee Geun Kim p. 141-145

방사성 액체폐기물 처리 시설 내 공기오염에 의한 작업종사자 방사선학적 영향 평가에 대한 연구 = A study on the evaluation of radiological effects on workers from air contamination in radioactive waste treatment facilities 이민호, 하우범, 이상헌, 송종순 p. 147-153

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