Topology optimization of tie-down structure for transportation of metal cask containing spent nuclear fuel

Spent nuclear fuel, which can degrade during long-term storage, must be transported intact in normal transport conditions. In this regard, many studies, including those involving Multi-Modal Transportation Test (MMTT) campaigns, have been conducted. In order to transport the spent fuel safely, a tie...

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Bibliographic Details
Published in:Nuclear engineering and technology 2021, 53(7), , pp.2268-2276
Main Authors: Jeong, Gil-Eon, Choi, Woo-Seok, Cho, Sang Soon
Format: Article
Language:English
Subjects:
Conceptual design
Spent nuclear fuel
Tie-down structure
Topology optimization
Transportation cask
원자력공학
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Summary:Spent nuclear fuel, which can degrade during long-term storage, must be transported intact in normal transport conditions. In this regard, many studies, including those involving Multi-Modal Transportation Test (MMTT) campaigns, have been conducted. In order to transport the spent fuel safely, a tie-down structure for supporting and transporting a cask containing the spent fuel is essential. To ensure its structural integrity, a method for finding an optimum conceptual design for the tie-down structure is presented. An optimized transportation test model of a tie-down structure for the KORAD-21 metal cask is derived based on the proposed optimization approach, and the transportation test model is manufactured by redesigning the optimized model to enable its producibility. The topology optimization approach presented in this paper can be used to obtain optimum conceptual designs of tie-down structures developed in the future.
ISSN:1738-5733
2234-358X
DOI:10.1016/j.net.2021.01.019