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Journal Articles

Sodium-cooled Fast Reactors

Ohshima, Hiroyuki; Morishita, Masaki*; Aizawa, Kosuke; Ando, Masanori; Ashida, Takashi; Chikazawa, Yoshitaka; Doda, Norihiro; Enuma, Yasuhiro; Ezure, Toshiki; Fukano, Yoshitaka; et al.

Sodium-cooled Fast Reactors; JSME Series in Thermal and Nuclear Power Generation, Vol.3, 631 Pages, 2022/07

This book is a collection of the past experience of design, construction, and operation of two reactors, the latest knowledge and technology for SFR designs, and the future prospects of SFR development in Japan. It is intended to provide the perspective and the relevant knowledge to enable readers to become more familiar with SFR technology.

Journal Articles

Measured and simulated transport of 1.9 MeV laser-accelerated proton bunches through an integrated test beam line at 1 Hz

Nishiuchi, Mamiko; Sakaki, Hironao; Hori, Toshihiko; Bolton, P.; Ogura, Koichi; Sagisaka, Akito; Yogo, Akifumi; Mori, Michiaki; Orimo, Satoshi; Pirozhkov, A. S.; et al.

Physical Review Special Topics; Accelerators and Beams, 13(7), p.071304_1 - 071304_7, 2010/07

 Times Cited Count:25 Percentile:79.49(Physics, Nuclear)

A laser-driven repetition-rated 1.9 MeV proton beam line composed of permanent quadrupole magnets (PMQs), a radio frequency (rf) phase rotation cavity, and a tunable monochromator is developed to evaluate and to test the simulation of laser-accelerated proton beam transport through an integrated system for the first time. In addition, the proton spectral modulation and focusing behavior of the rf phase rotationcavity device is monitored with input from a PMQ triplet. In the 1.9 MeV region we observe very weakproton defocusing by the phase rotation cavity. The final transmitted bunch duration and transverse profile are well predicted by the PARMILA particle transport code. The transmitted proton beam duration of 6 ns corresponds to an energy spread near 5% for which the transport efficiency is simulated to be 10%. The predictive capability of PARMILA suggests that it can be useful in the design of future higher energy transport beam lines as part of an integrated laser-driven ion accelerator system.

Journal Articles

Hydrogen and hydration in proteins

Niimura, Nobuo; Chatake, Toshiyuki; Kurihara, Kazuo; Maeda, Mitsuru

Cell Biochemistry and Biophysics, 40(3), p.351 - 369, 2004/06

 Times Cited Count:23 Percentile:25.29(Biochemistry & Molecular Biology)

Neutron diffraction provides an experimental method of directly locating hydrogen atoms in proteins. High resolution neutron diffractometers dedicated to biological macromolecules (BIX-type diffractometer) have been constructed at the Japan Atomic Energy Research Institute (JAERI) and they have been used in the 1.5 AA -resolution crystal structure analyses of several proteins.

JAEA Reports

Long-term effect of creep displacement of host-rock on stability of engineered barrier system for TRU waste; Two-dimensional analysis by the non-linear viscoelasticity model

Aoyagi, Takayoshi*; *; Mihara, Morihiro; Okutsu, Kazuo*; Maeda, Munehiro*

JNC TN8400 2001-024, 103 Pages, 2001/06

JNC-TN8400-2001-024.pdf:8.84MB

In the disposal concept of TRU waste, concentrated disposal of wastes forms in large cross-section underground cavities is envisaged, because most of TRU waste is no-heat producing in spite of large generated volume as compared with HLW. In the design of engineered barrier system based on large cross-section cavities, it is necessary to consider the long-term mechanical process such as creep displacement of the host rock from the viewpoint of the stability of engineered barrier system. In this study, the long-term creep displacement of the host rock was calculated using the non-linear viscoelasticity model and the effects on the stability of engineered barrier system was evaluated. As a result, in the disposal concept of crystalline rock, no creep displacement occurred at the time after 1 milion year. On the other hand, in the disposal concept of sedimentary rock, creep displacement of 80$$sim$$90mm occurred at the time after 1 milion year. Also, in this calculation, a maximum reduction of 45mm concerned with the thickness of buffer material was estimated. But these values resulted within allowance of design values. Therefore, these results show that the effects of the creep displacement on the stability of engieered barrier system would not be significant.

Journal Articles

None

Maeda, Munehiro*; ; Mihara, Morihiro; Okutsu, Kazuo*; Akasaka, Naoto*

NO.104 (1997.12), (104), p.107 - 114, 1997/12

None

Journal Articles

Divertor biasing effects to reduce L/H power threshold in the JFT-2M tokamak

Miura, Yukitoshi; *; *; Hoshino, Katsumichi; *; *; Kasai, Satoshi; Kawakami, Tomohide; Kawashima, Hisato; Maeda, M.*; et al.

Fusion Energy 1996, p.167 - 175, 1997/05

no abstracts in English

Journal Articles

Investigation of causality in the H-L transition on the JFT-2M tokamak

*; *; *; *; *; *; *; Oikawa, Toshihiro; *; *; et al.

Fusion Energy 1996, p.885 - 890, 1997/05

no abstracts in English

JAEA Reports

Fusion-neutron diagnostic on the microwave tokamak experiment

Ogawa, Toshihide; ; Hoshino, Katsumichi; Odajima, Kazuo; Maeda, Hikosuke

JAERI-M 94-021, 45 Pages, 1994/02

JAERI-M-94-021.pdf:1.33MB

no abstracts in English

Journal Articles

Development of a diagnostic system for high power microwave(FEL) electric fields in the microwave tokamak experiment

*; Odajima, Kazuo; Takiyama, Ken*; J.H.Foote*; K.Mizuno*; Ogawa, Toshihide; *; ; Hoshino, Katsumichi; Maeda, Hikosuke; et al.

Proc. of the 1992 Int. Conf. on Plasma Physics, Vol. 16C, Part II, p.II1191 - II1194, 1992/00

no abstracts in English

Journal Articles

Studies of improved confinement on JFT-2M

Miura, Yukitoshi; ; Hoshino, Katsumichi; Kasai, Satoshi; Kawakami, Tomohide; Kawashima, Hisato; Maeda, Hikosuke; Matsuda, Toshiaki; Mori, Masahiro; Odajima, Kazuo; et al.

Plasma Physics and Controlled Nuclear Fusion Research 1990, Vol.1, p.325 - 333, 1991/00

no abstracts in English

Journal Articles

Neutron diagnostic for MTX

Ogawa, Toshihide; ; Hoshino, Katsumichi; Odajima, Kazuo; Maeda, Hikosuke;

Review of Scientific Instruments, 61(10), p.3181 - 3183, 1990/10

 Times Cited Count:3 Percentile:49.19(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

Design of neutron diagnostic for MTX

Ogawa, Toshihide; ; Hoshino, Katsumichi; Odajima, Kazuo; Maeda, Hikosuke

JAERI-M 90-105, 19 Pages, 1990/07

JAERI-M-90-105.pdf:0.6MB

no abstracts in English

Journal Articles

Effect of electrostatic field on energy conversion efficiency in high current Raman ragime free electron laser

Kishimoto, Yasuaki; *; ; Odajima, Kazuo; Maeda, Hikosuke

Journal of the Physical Society of Japan, 59(1), p.118 - 129, 1990/01

 Times Cited Count:6 Percentile:54.35(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Observation of direct electron heating by the fast waves in the low-hybrid range of frequencies in the JFT-2M tokamak

Yamamoto, Takumi; Uesugi, Yoshihiko; Kawashima, Hisato; Hoshino, Katsumichi; ; Kasai, Satoshi; Kawakami, Tomohide; Kondoh, Takashi; Maeda, Hikosuke; Matsuda, Toshiaki; et al.

Physical Review Letters, 63(11), p.1148 - 1151, 1989/09

 Times Cited Count:17 Percentile:75.66(Physics, Multidisciplinary)

no abstracts in English

JAEA Reports

Energy conversion efficiency in high current Raman regime free electron laser(FEL), I; Single mode analysis

Kishimoto, Yasuaki; *; ; Odajima, Kazuo; Maeda, Hikosuke

JAERI-M 89-088, 27 Pages, 1989/07

JAERI-M-89-088.pdf:0.78MB

no abstracts in English

JAEA Reports

Characteristics of edge localized mode in JFT-2M H-mode

Matsumoto, Hiroshi; R.J.Goldston*; ; Hoshino, Katsumichi; Kawashima, Hisato; Kawakami, Tomohide; Maeda, Hikosuke; Matoba, Toru; Matsuda, Toshiaki; Miura, Yukitoshi; et al.

JAERI-M 89-020, 26 Pages, 1989/03

JAERI-M-89-020.pdf:1.0MB

no abstracts in English

Journal Articles

Pump limiter experiment on JFT-2M tokamak

Sengoku, Seio; ; Hoshino, Katsumichi; Kasai, Satoshi; Kawakami, Tomohide; Kawashima, Hisato; Kondo, Takashi*; Maeda, Hikosuke; Matsuda, Toshiaki; Matsumoto, Hiroshi; et al.

Journal of Nuclear Materials, 162-164, p.667 - 673, 1989/00

 Times Cited Count:4 Percentile:49.15(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

A New mode of improved confinement in discharges with stationary density in JEF-2M

Mori, Masahiro; Suzuki, Norio; Uesugi, Yoshihiko; Ogawa, Toshihide; Ogawa, Hiroaki; Otsuka, Hideo; Odajima, Kazuo; Kasai, Satoshi; Kawakami, Tomohide; Kawashima, Hisato; et al.

Nuclear Fusion, 28(10), p.1892 - 1897, 1988/10

 Times Cited Count:22 Percentile:72.29(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Particle accumulation at the edge observed in n$$_{e}$$ and T$$_{e}$$ profiles of H-mode JFT-2M plasma

Yamauchi, Toshihiko; Odajima, Kazuo; Uesugi, Yoshihiko; ; D.Dimock*; Kawashima, Hisato; Kasai, Satoshi; Kawakami, Tomohide; Maeda, Hikosuke; Matsuda, Toshiaki; et al.

Physics Letters A, 131(4-5), p.301 - 309, 1988/08

 Times Cited Count:2 Percentile:34.44(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Steep gradient and pedestal of electron profiles in H-mode JFT-2M plasma

Yamauchi, Toshihiko; Hoshino, Katsumichi; Uesugi, Yoshihiko; ; Kawashima, Hisato; Kasai, Satoshi; Kawakami, Tomohide; Maeda, Hikosuke; Matoba, Toru; Matsuda, Toshiaki; et al.

Japanese Journal of Applied Physics, 27(5), p.L924 - L926, 1988/05

 Times Cited Count:1 Percentile:9.69(Physics, Applied)

no abstracts in English

25 (Records 1-20 displayed on this page)