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- Sohn, Dong-Seong
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Thermal properties of U-7Mo/Al dispersion fuel
- Author(s)
- Cho, Tae Won, Kim, Yeon Soo, Park, Jong Man, Lee, Kyu Hong, Kim, Sunghwan, Lee, Chong-Tak, Yang, Jae Ho, Oh, Jang Soo, Won, Ju-Jin, Sohn, Dong-Seong
- Issued Date
- 2017-12
- Citation
- JOURNAL OF NUCLEAR MATERIALS, v.496, pp.274 - 285
- Abstract
- The thermal diffusivity and heat capacity of U-7Mo/Al and U-7Mo/Al-5Si as functions of U-Mo fuel volume fraction and temperature were measured. The density of the sample was measured at room temperature and estimated using thermal expansion data at elevated temperatures. Using the measured data, the thermal conductivity was obtained as a function of U-Mo volume fraction and temperature. The thermal conductivity of U-7Mo/Al-5Si was found to be lower than that of U-7Mo/Al because of the Si addition to the Al. Due to a lower porosity and reduced interaction between U-Mo and Al in the sample, the thermal conductivity data reported in the present study were higher than those in the literature. The present data were found to be in agreement with the predictions of theoretical models.
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0022-3115
- Keyword (Author)
- U-Mo/Al dispersion fuel, Si addition in matrix, Thermal diffusivity, Heat capacity, Density, Uranium loading, Thermal conductivity, Measured data
- Keyword
- INTERACTION LAYER GROWTH, U-MO DISPERSION, CONDUCTIVITY, AL, DIFFUSIVITY, PLATES, SIZE
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