Effect of material properties of impact limiter steel on drop accident of spent nuclear fuel transport cask

被引：0
|
作者：
Lee, Eun-ho [1 ]
Roh, Hyungyu [1 ]
Ra, Chi Woong [1 ]
Yoo, Junsun [1 ]
Lee, Sang-Jeong [1 ]
Park, No-Cheol [1 ]
机构：
[1] Yonsei Univ, Dept Mech Engn, 50 Yonsei Ro, Seoul 03722, South Korea
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2022年 / 36卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
Drop analysifs; Energy absorption; Impact limiter; SNF transport cask; Structural safety assessment; AUSTENITIC STAINLESS-STEEL; MODEL;
D O I：
10.1007/s12206-022-1007-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, the sensitivity of the drop response according to changes in material properties was analyzed to determine the material properties that have a dominant influence on energy absorption performance. Parametric analyses were performed using a spent nuclear fuel (SNF) transport cask as an example, wherein the parameters were the material properties related to the stiffness of the steel (the elastic modulus, yield strength, and tangent modulus) that constitutes an impact limiter installed in the SNF transport cask. On the basis of the analysis results, the absorbed impact energy and transmitted energy were quantitatively calculated and the variations in the structural response were identified. In addition, changes in the structural safety of the SNF transport cask were investigated. The results of this study suggest that material properties must be considered to effectively design a structure that absorbs impact energy.
引用
收藏
页码：5413 / 5424
页数：12
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