Reaction Model for Fluorination of Uranium Dioxide Using Improved Unreacted Shrinking Core Model for Expanding Spherical Particles
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概要
- 論文の詳細を見る
A gas-solid reaction model is developed to represent the fluorination of uranium dioxide (UO2), which consists of a two-step reaction: the formation of a solid intermediate of uranyl fluoride (UO2F2) on the core of unreacted UO2 and the consumption of UO2F2. The model is an extension of the unreacted shrinking core model with a shrinking spherical particle and takes into account particle expansion resulting from the density difference between UO2 and UO2F2. This model successfully represents the initial expansion of the particle by the formation of the low-density UO2F2 intermediate. The accuracy of this model is higher than that of the original model, which does not allow particle expansion.
- 2008-08-01
著者
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Homma Shunji
Division Of Materials Science Graduate School Of Science And Engineering Saitama University
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KOGA Jiro
Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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MATSUMOTO Shiro
Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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UOI Yuki
Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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BRAUN Artur
Laboratory for High Performance Ceramics, Empa-Swiss Federal Laboratories for Materials Testing & Re
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Matsumoto Shiro
Division Of Materials Science Graduate School Of Science And Engineering Saitama University
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Koga Jiro
Division Of Materials Science Graduate School Of Science And Engineering Saitama University
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Braun Artur
Laboratory For High Performance Ceramics Empa-swiss Federal Laboratories For Materials Testing &
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Uoi Yuki
Division Of Materials Science Graduate School Of Science And Engineering Saitama University
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Homma Shunji
Div. Of Materials Sci. Graduate School Of Sci. And Engineering Saitama Univ.
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