Thermal conductivity and the isotope effect in Li2O

Lu, H. and Murphy, S. T. and Rushton, M. J. D. and Parfitt, D. C. and Grimes, R. W. (2012) Thermal conductivity and the isotope effect in Li2O. Fusion Engineering and Design, 87 (11). pp. 1834-1838. ISSN 0920-3796

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Abstract

The thermal conductivity of condensed matter can be reduced through the introduction of isotopic disorder as the different isotopes act as mass defects that scatter phonons responsible for the transfer of heat energy. Here we investigate, using classical molecular dynamic simulations, the magnitude of this effect in the ceramic oxide Li2O, which will be artificially enriched with Li-6 to improve tritium breeding potential in a future fusion reactor. The results show that while the isotope effect will be important at lower temperatures it has little influence at the expected operating temperatures of the breeder blanket. (c) 2012 Elsevier B.V. All rights reserved.

Item Type:
Journal Article
Journal or Publication Title:
Fusion Engineering and Design
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2100/2104
Subjects:
?? MOLECULAR DYNAMICSPHONONFUSIONBREEDER BLANKETMOLECULAR-DYNAMICSCIVIL AND STRUCTURAL ENGINEERINGMATERIALS SCIENCE(ALL)MECHANICAL ENGINEERINGNUCLEAR ENERGY AND ENGINEERING ??
ID Code:
125454
Deposited By:
Deposited On:
24 May 2018 12:44
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 02:25