Thermal conductivity of UO $_{2}$ by molecular dynamics simulation

Uchida, Teppei

In this study, thermal expansion and thermal conductivity of UO $_{2}$ containing Schottky defects were evaluated as a first step of evaluating thermal properties of MOX fuel containing MA by molecular dynamics simulation. Compared to thermal conductivity of perfect crystal UO $_{2}$ , that of UO $_{2}$ containing Schottky defects were lower. It is considered that defect structures scattered phonon vibrations and thermal conductivity decreased.

Language	:	Japanese
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Meeting title	:	平成22年度日本原子力学会北関東支部若手研究者発表会
Held date	:	2010/04
Location (city)	:	東海
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	プルトニウム燃料製造施設
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Registration No. : BB20100193
JAEA Abstracts No. :
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Thermal conductivity of UO by molecular dynamics simulation

Thermal conductivity of UO $_{2}$ by molecular dynamics simulation