Dynamic impact characteristics of KN-18 SNF transport cask – Part 1: An advanced numerical simulation and validation technique |
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| Authors: | Kap-Sun Kim Jong-Soo Kim Kyu-Sup Choi Tae-Myung Shin Hyun-Do Yun |
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| Affiliation: | 1. Korea Nuclear Engineering & Service Corporation, 210-2 Yangjae-dong, Seocho-gu, Seoul 137-130, Republic of Korea;2. Department of Aeronautical/Mechanical Design, Chungju National University, Jeungpyeong 368-903, Republic of Korea;3. Department of Architectural Engineering, Chungnam National University, Daejeon 305-764, Republic of Korea |
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| Abstract: | Domestic and international regulations for the transportation of radioactive materials strictly prescribe the design requirements for spent nuclear fuel (SNF) transport casks. According to the applicable codes, a transport cask must withstand a free-drop impact of 9 m onto an unyielding surface and a free-drop impact of 1 m onto a mild steel bar. However, the structural performance of a transport cask is not easy to evaluate precisely because the dynamic impact characteristics of the cask, which includes impact limiters to absorb the impact energy, are so complex. |
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