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2017 Fiscal Year Final Research Report

Physical Chemistry of Actinoid Liquids: Physical Properties of Uranium Liquid Alloys

Research Project

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Project/Area Number 15H02343
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Nuclear engineering
Research InstitutionOsaka University

Principal Investigator

Shinsuke Yamanaka  大阪大学, 工学研究科, 理事 (00166753)

Co-Investigator(Kenkyū-buntansha) 大石 佑治  大阪大学, 工学研究科, 助教 (20571558)
有田 裕二  福井大学, 附属国際原子力工学研究所, 教授 (50262879)
有馬 立身  九州大学, 工学研究院, 助教 (60264090)
Project Period (FY) 2015-04-01 – 2018-03-31
Keywordsアクチノイド融体 / 静電浮遊法 / ガス浮遊法 / 粘性
Outline of Final Research Achievements

In order to reveal the physical properties of actinoid liquids, we evaluated the physical properties (especially viscosity) of molten materials by levitation techniques, conventional method with container, and molecular dynamics simulation. By using appropriate levitation techniques, we showed that both oxides and metals can be measured. There is a large mismatch in the measured viscosity between levitation and conventional methods, which suggests that levitation is necessary for the measurement of the physical properties of actinoid liquids since it has high reactivity and high melting point. As for the molecular dynamic simulation, we found an potential function that can reproduce the measured viscosity.

Free Research Field

核燃料工学

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Published: 2019-03-29  

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