期刊
NUCLEAR ENGINEERING AND TECHNOLOGY
卷 52, 期 6, 页码 1208-1212出版社
KOREAN NUCLEAR SOC
DOI: 10.1016/j.net.2019.11.012
关键词
Oxide fuel; Nitride fuel; Heat capacity; Einstein-Debye approximation
Knowledge on fuel enthalpy and its temperature derivative, the heat capacity, are important quantities in determination of fuel behavior in normal reactor operation and reactor transients. The aim of this study is to compare the heat capacity of oxide and nitrite fuels by using Einstein-Debye approximation. A simple analytical expression was performed to calculate the heat capacity of fuels. To test the validity and reliability, the calculated formulas were compared to published results for various nuclear fuels including UO2, ThO2, PuO2 and UN. Calculated formulas yielded results in consistent with literature. (C) 2019 Korean Nuclear Society, Published by Elsevier Korea LLC.
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