Modeling and simulation of thermophysical properties of minor actinides-containing oxide fuels

Katayama, Masahito*; Adachi, Jun*; Kurosaki, Ken*; Uno, Masayoshi*; Miwa, Shuhei ; Osaka, Masahiko ; Tanaka, Kenya; Yamanaka, Shinsuke*

The molecular dynamics (MD) calculation was performed on minor actinides (MA)-containing mixed oxide (MOX) fuels, (U $_{0.7-x}$ Pu $_{0.3}$ MA $_{x}$ )O $_{2}$ (x = 0, 0.016, 0.03, 0.05, 0.1, 0.15), and the lattice parameter, heat capacity and thermal conductivity were evaluated. The calculated thermal conductivity data are comparable in (U $_{0.7-x}$ Pu $_{0.3}$ MA $_{x}$ )O $_{2}$ at any temperature and any x value, indicating that the thermal conductivity of MA-containing MOX fuels is scarcely influenced by adding MA up to 15 %. The present study shows that the MD calculation can be usefully applied to determine the thermophysical properties of MA-containing MOX fuels.

Language	:	English
Journal	:	Materials Research Society Symposium Proceedings, Vol.1043
Volume	:
Number	:
Pages	:	p.190 - 195
Publication Year/Month	:	2008/00
Meeting title	:	Materials Research Society 2007 Fall Meeting
Held date	:	2007/11
Location (city)	:	Boston
Location (country)	:	U.S.A.
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1557/PROC-1043-T09-06
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	AGF(照射燃料試験施設)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	大阪大学

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Registration No. : BB20070933
JAEA Abstracts No. : 43000631
Paper Submission No. : 15729

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