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Doda, Norihiro; Hiyama, Tomoyuki; Tanaka, Masaaki; Ohshima, Hiroyuki; Thomas, J.*; Vilim, R. B.*
Proceedings of International Conference on Fast Reactors and Related Fuel Cycles; Next Generation Nuclear Systems for Sustainable Development (FR-17) (USB Flash Drive), 10 Pages, 2017/06
In sodium-cooled fast reactors, a natural circulation is expected to remove the core decay heat when the plant gets into a station blackout. From a perspective of reactor safety, the core hot spot temperature arising in the natural circulation should be evaluated accurately. To this end, Japan Atomic Energy Agency is trying to couple a 1-D plant dynamics analysis code Super-COPD and a 3-D CFD code AQUA to solve the thermal-hydraulic field in the whole plant under natural circulation condition. As a validation study, the coupled code was applied to an analysis of EBR-II shutdown heat removal test. The obtained numerical results reasonably agreed with the measured data, which demonstrated the validity of the coupled code.
Bulanov, S. S.*; Esirkepov, T. Z.; Thomas, A. G. R.*; Koga, J. K.; Bulanov, S. V.
Physical Review Letters, 105(22), p.220407_1 - 220407_4, 2010/11
Times Cited Count：161 Percentile：96.05(Physics, Multidisciplinary)
V nuclear magnetic resonance study of the triangular Kondo lattice system YbV
SnSakai, Hironori; Park, S.*; Dioguardi, A. P.*; Furukawa, Tetsuya*; Sasaki, Takahiko*; Kimata, Motoi; Kambe, Shinsaku; Tokunaga, Yo; Thomas, S. M.*; Thompson, J. D.*; et al.
no journal, ,
YbVSn has a HfFeGe-type structure, in which V atoms form a Kagome lattice and Yb atoms form a triangular lattice. This rare Yb-based Kondo triangular lattice system has attracted much attention as an essential model to explore the relationship between quantum magnetism and topological properties. To microscopically clarify the quantum criticality of this system, we have performed V nuclear magnetic resonance (NMR) studies using a single crystal of YbVSn. In this talk, I will report on the spectral assignments of V nuclei revealed from V NMR measurements in the paramagnetic state.
