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Sohn, Dong-Seong
Innovative Nuclear FUEL(INFUEL)
Research Interests
  • Nuclear fuel design
  • Nuclear fuel
  • Nuclear system
  • Performance analysis

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Thermal Conductivity Modeling of U-Mo/Al Dispersion Fuel

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Title
Thermal Conductivity Modeling of U-Mo/Al Dispersion Fuel
Author
Kim, Yeon SooCho, Byoung JinSohn, Dong-SeongPark, Jong Man
Issue Date
2015-11
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF NUCLEAR MATERIALS, v.466, pp.576 - 582
Abstract
A dataset for the thermal conductivity of U-Mo/Al dispersion fuel made available by KAERI was reanalyzed. Using this dataset, an analytical model was obtained by expanding the Bruggeman model. The newly developed model considers thermal resistances at the interfaces between the U-Mo particles and Al matrix and the bonding between Al and Al in the Al matrix. The interfacial resistances are expressed as functions of U-Mo particle size and Al grain size that were empirically obtained by data fitting to the measured data. The new model was validated against an independently measured dataset by ANL.
URI
https://scholarworks.unist.ac.kr/handle/201301/13382
URL
http://www.sciencedirect.com/science/article/pii/S0022311515301872
DOI
10.1016/j.jnucmat.2015.08.051
ISSN
0022-3115
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