Progress of a cost optimization for an HLW repository in Korea

被引:3
作者
Kim, S. K. [2 ]
Lee, M. S. [2 ]
Choi, H. J. [2 ]
Choi, J. W. [2 ]
Kwak, Tai-Wan [1 ]
机构
[1] Chungnam Natl Univ, Taejon 305764, South Korea
[2] Korea Atom Energy Res Inst, Taejon 305353, South Korea
关键词
Cost optimization; Disposal canister; Operational duration; CANDU spent fuel; HLW repository;
D O I
10.1016/j.pnucene.2008.05.006
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
070305 [高分子化学与物理]; 080810 [电力电子与电能变换];
摘要
This paper provides the results of a cost optimization for a CANDU spent fuel canister as well as the operational duration of an HLW repository. From the design change of an advanced-CANDU spent fuel canister, the overall costs were expected to be reduced by 124 MEUR in the case of disposing of 36,000 tU in an HLW repository, and it was also found that the optimal operational duration for an HLW repository was 83 years, to minimize the total cost. But this operational duration was only calculated from the aspect of cost benefits with economics' perspectives. We confirmed that the canister and operational duration are the dominant cost drivers for surface facilities and underground facilities for a cost optimization, respectively. Especially, the manufacturing method of an outer canister using the cold spray coating technique which was developed through collaboration with a domestic company is suggested to minimize the overall costs. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:401 / 408
页数:8
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