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Kobayashi, Jun; Tanaka, Masaaki; Ohno, Shuji; Ohshima, Hiroyuki; Kamide, Hideki
Proceedings of 16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-16) (USB Flash Drive), p.6664 - 6677, 2015/08
Numerical simulation is recognized an essential tool for the physical phenomena analysis and plant design study of a sodium-cooled fast reactor (SFR). In order to enhance credibility of the numerical results in the activities for plant design by using numerical simulations, it is recognized that verification and validation (V&V) process is very important. In this study, experiments for planar triple parallel jets mixing phenomena conducted in JAEA were proposed as benchmark problems for the code validation in the area of thermal striping study in the SFR development.
Suzuki, Motoe
Proceedings of 2nd Japan-Korea-China (5th Japan-Korea) Seminar on Nuclear Reactor Fuel and Materials, p.4 - 10, 2004/03
In designing a fuel performance code which describes complicated interactions working in high burnup fuel, the code will inevitably become a complex structure of inter-dependent models. In normal operation conditions, PCMI occurs and the pellet-clad firm bonding layer makes the cladding to be subjected to a bi-axial stress state, i.e. under tough mechanical loading. In contrast, the bonding layer enhances thermal conductance, decreases the pellet temperature and keeps the pellet-clad contact, resulting in increased resistance against the Lift-Off. For pellet behaviors, the fission gas bubble growth is strongly dependent on temperature, so that a reliable prediction of fuel temperature is required by pellet radial meshing which can fully accommodate the burning analysis results and the rim structure growth. The presentation deals with modeling method in terms of specific aspects such as meshing.
Endo, Akira; Yamaguchi, Yasuhiro; Takahashi, Fumiaki
Radiation Risk Assessment Workshop Proceedings, p.151 - 156, 2003/00
We have developed a new system using numerical simulation technique for analyzing dose distribution in various postures by neutron, photon and electron exposures. The system consists of mathematical human phantoms with movable arms and legs and Monte Carlo codes MCNP and MCNPX. This system was applied to the analysis of dose distribution for the heavily exposed workers in the Tokai-mura criticality accident. The paper describes the simulation technique employed and a summary of the dose analysis.
JAERI-Research 97-080, 43 Pages, 1997/11
no abstracts in English
JAERI-Research 97-079, 57 Pages, 1997/11
no abstracts in English
; Murao, Yoshio
Journal of Nuclear Science and Technology, 33(4), p.290 - 297, 1996/04
Times Cited Count:3 Percentile:32.66(Nuclear Science & Technology)no abstracts in English
Mori, Takamasa; Kosako, Kazuaki*
Purazuma, Kaku Yugo Gakkai-Shi, 71(12), p.1212 - 1219, 1995/12
no abstracts in English
Onuki, Akira; ; Murao, Yoshio
Journal of Nuclear Science and Technology, 32(3), p.245 - 256, 1995/03
Times Cited Count:1 Percentile:17.52(Nuclear Science & Technology)no abstracts in English
; Abe, Yutaka*; Onuki, Akira; Murao, Yoshio
JAERI-Data/Code 94-006, 40 Pages, 1994/07
no abstracts in English
Onuki, Akira; ; Murao, Yoshio
JAERI-M 94-026, 60 Pages, 1994/03
no abstracts in English
Onuki, Akira; ; Murao, Yoshio
JAERI-M 93-139, 85 Pages, 1993/07
no abstracts in English
Onuki, Akira; ; Murao, Yoshio
JAERI-M 93-138, 55 Pages, 1993/07
no abstracts in English
; Onuki, Akira; *; Murao, Yoshio
JAERI-M 93-032, 190 Pages, 1993/03
no abstracts in English
; Onuki, Akira; Abe, Yutaka*; Murao, Yoshio
JAERI-M 93-028, 252 Pages, 1993/03
no abstracts in English
; Murao, Yoshio
Journal of Nuclear Science and Technology, 29(7), p.642 - 655, 1992/07
no abstracts in English
Kunugi, Tomoaki; M.S.Tillack*; M.A.Abdou*
Fusion Technology, 19, p.1000 - 1005, 1991/05
no abstracts in English
Yamazawa, Hiromi
JAERI-M 90-128, 36 Pages, 1990/08
no abstracts in English
Murao, Yoshio
Dennetsu Kenkyu, 26(101), p.101 - 119, 1987/00
no abstracts in English
; ; Kaminaga, Masanori; Sudo, Yukio
JAERI-M 86-093, 66 Pages, 1986/07
no abstracts in English
*; Harada, Hiro;
JAERI-M 85-143, 70 Pages, 1985/09
no abstracts in English