Modeling and Simulation of Used Nuclear Fuel During Transportation with Consideration of Hydride Effects and Cyclic Fatigue

Chakraborty, Pritam¹  Sabharwall, Piyush¹  Spears, Robert Edward¹  Coleman, Justin Leigh¹  Sener, Kadir²  Varma, Amit H.² 

[1] Idaho National Lab. (INL), Idaho Falls, ID (United States);STANEX (United States)

关键词: SPENT FUELS;    HYDRIDES;    CRACKS;    SIMULATION;    FATIGUE;    FUEL CANS;    FRACTURE MECHANICS;    PELLETS;    RAIL TRANSPORT;    COOLING;    DEFECTS;    DRYING;    INTERFACES;    STRESSES fuel transportation;    Hydriding;    used nuclear fuel loading;   

DOI  :  10.2172/1238210
RP-ID  :  INL/EXT--15-36697
PID  :  OSTI ID: 1238210
Others  :  TRN: US1600536

学科分类：核能源与工程

美国|英语

来源: SciTech Connect

【 摘 要 】

The objective of this work is to understand the integrity of Used Nuclear Fuel (UNF) during transportation. Previous analysis work has been performed to look at the integrity of UNF during transportation but these analyses have neglected to analyze the effect of hydrides and flaws (fracture mechanics models to capture radial cracking in the cladding). In this study, the clad regions of interest are near the pellet-pellet interfaces. These regions can experience more complex stress-states than the rest of the clad during cooling and have a greater possibility to develop radially reoriented hydrides during vacuum drying.