期刊
JOURNAL OF NUCLEAR MATERIALS
卷 530, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jnucmat.2019.151965
关键词
NSRR; TRISO; BISON; Reactivity; Silicon carbide; Fracture
资金
- Transformational Challenge Reactor program, US Department of Energy, Office of Nuclear Energy
This research presents BISON simulations of stress, temperature, and failure probability of tristructural isotropic (TRISO) fuel particles subjected to transient power pulse conditions in the Nuclear Safety Research Reactor (NSRR). By modifying the default elastic properties of the PyC and the UO2 coefficient of thermal expansion correlation, BISON was found to produce suitable agreement with the observed and independently simulated results when appropriate shape and scale Weibull parameters for SiC failure were chosen. The Weibull parameter effects were also explored within the range of SiC failure and were applied using experimental data from hemispherical crush testing. Published by Elsevier B.V.
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