THERMAL CONDUCTIVITY IN IMPROVEMENT OF SAFETY OF NUCLEAR FUEL
B. Szpunar, J. A. Szpunar
Pagini: 741-750
Publicat: 2 Jun 2014
Vizualizări: 3,552
Descărcări: 1,076
Citations: 4 (Google Scholar)
Citations: 2 (OpenAlex)
Rezumat: We investigate thermo-mechanical properties of alternative fuels like thoria and uranium nitride up to a very high temperatures (ThO2: 3300 K, UN: 3000 K). We demonstrate that, by combining first-principles quantummechanical calculations with classical correlations, it is possible to predict thermal properties in agreement with experiment. The new generalized gradient approximation functional within the density functional theory predicts, in agreement with experiment, not only mechanical properties but also the absolute values of the lattice constant of thoria. The main contribution to the thermal conductivity of thoria (lattice) and uranium nitride (electronic) are evaluated in a wide range of temperatures.
Cuvinte cheie: not provided
Citează acest articol: B. Szpunar, J. A. Szpunar. THERMAL CONDUCTIVITY IN IMPROVEMENT OF SAFETY OF NUCLEAR FUEL. Journal of International Scientific Publications: Materials, Methods & Technologies 8, 741-750 (2014). https://www.scientific-publications.net/en/article/1000227/
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