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Journal Articles

Large-scale direct simulation of two-phase flow structure around a spacer in a tight-lattice nuclear fuel bundle

Takase, Kazuyuki; Yoshida, Hiroyuki; Ose, Yasuo*; Akimoto, Hajime

Computational Fluid Dynamics 2004, p.649 - 654, 2006/00

no abstracts in English

Journal Articles

Experimental study on thermal-hydraulics and neutronics coupling effect on flow instability in a heated channel with THYNC facility

Iguchi, Tadashi; Shibamoto, Yasuteru; Asaka, Hideaki; Nakamura, Hideo

Proceedings of 10th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-10), 16 Pages, 2003/10

Thermal-hydraulic and neutronic dynamics are always interrelated in BWR core. This is called thermal-hydraulic and neutronic (T/N) coupling. Channel stability experiments with T/N coupling under non-nuclear condition are very limited. This is mainly due to the difficulties in the real-time simulation of neutron dynamics and in the fast-response void fraction measurement under high-pressure and temperature conditions. Authors have developed techniques to solve the above difficulties, and have succeeded in experimentally simulating T/N coupling under non-nuclear conditions with the THYNC facility. Using THYNC facility, T/N coupling effect on channel stability was investigated. Experiments were performed under Pressure=2-7MPa, Subcooling=10-40K, and Mass flux=270-660kg/m$$^{2}$$s. THYNC results indicated T/N coupling lowered the channel stability threshold. The reduction of channel stability threshold due to T/N coupling was small within 10% at 7MPa in the present THYNC experiment, although the experimental condition was set to be more severe than that supposed in a reactor.

Journal Articles

Present status of VDEs (Vertical Displacement Events) avoidance studies in Tokamak disruptions

Nakamura, Yukiharu

Purazuma, Kaku Yugo Gakkai-Shi, 77(9), p.843 - 856, 2001/09

no abstracts in English

JAEA Reports

Status and subjects of thermal-hydraulic analysis for next-generation LWRs

Subcommittee on Improvement of Reactor Thermal-Hydraulic Analysis Codes

JAERI-Review 2000-002, p.105 - 0, 2000/03

JAERI-Review-2000-002.pdf:6.24MB

no abstracts in English

Journal Articles

A Crystalline hydrogenated carbon film obtained by plasma enhanced chemical vapor deposition

Zhang, Z.*; Narumi, Kazumasa; Naramoto, Hiroshi; Wu, Z.*; Yamamoto, Shunya; Miyashita, Atsumi; Tamada, Masao

Journal of Applied Physics, 86(3), p.1317 - 1321, 1999/08

 Times Cited Count:11 Percentile:48.58(Physics, Applied)

no abstracts in English

Journal Articles

Thermal stability of the low oxygen silicon carbide fibers derived from polycarbosilane

*; *; *; *; Kasai, Noboru; Seguchi, Tadao; Okamura, K.*

Ceramic Engineering and Science Proceedings,Part 1, p.209 - 217, 1992/00

no abstracts in English

Journal Articles

Chemical states and thermal stability of hydrogen-implanted Ti and V studied by X-ray photoelectron spectroscopy

;

Journal of Nuclear Materials, 132, p.173 - 180, 1985/00

 Times Cited Count:4 Percentile:54.6(Materials Science, Multidisciplinary)

no abstracts in English

JAEA Reports

Thermal Instability Analysis in a D-T Tokamak Reactor with Density Dynamics

*; ;

JAERI-M 82-147, 25 Pages, 1982/11

JAERI-M-82-147.pdf:0.63MB

no abstracts in English

Journal Articles

Effects of particle confinement and recycling on thermally stable regions in D-T tokamak plasma

Tone, Tatsuzo

Journal of Nuclear Science and Technology, 16(6), p.453 - 456, 1979/00

 Times Cited Count:1

no abstracts in English

JAEA Reports

Study for Thermal Problems in ORNL-Large Coil Task

*;

JAERI-M 7546, 37 Pages, 1978/02

JAERI-M-7546.pdf:0.92MB

no abstracts in English

Journal Articles

Thermal stability of spatially nonuniform plasma in a D-T fusion reactor

*; ;

Nuclear Fusion, 12(5), p.603 - 606, 1972/05

no abstracts in English

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