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A Study on the Temperature Distribution Change of the Spent Nuclear Fuel Disposal Canister and its Surrounding Structures due to the Spent Fuel Heat according to the Deposition Time Elapse  

Choi, Jong-Won (한국원자력연구소)
Kwon, Young-Joo (홍익대학교 기계정보공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.20, no.2, 2007 , pp. 157-164 More about this Journal
Abstract
The prediction of the temperature distribution change of the spent nuclear fuel disposal canister and its surrounding structures (bentonite buffer, granitic rock etc.) due to the spent fuel heat is very important for the design of the 500m deep granitic repository for the spent nuclear fuel disposal canister (about 10,000 years long) deposition. In this study, the temperature distribution change of the composite structure which comprises the canister, the bentonite buffer, the deposition tunnel due to the spent fuel heat is computed using the numerical analysis method. Specially, the temperature distribution change of the composite structure is analysed as the deposition time elapses up to m years. The analysis result shows that the temperature of each part of the repository increases slowly in different way but the latest part temperature increases slowly up to 150 years and thereafter decreases slowly.
Keywords
spent nuclear fuel disposal canister; repository; temperature distribution; numerical analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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