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Overseas Information
Development of Commercial High Temperature Gas-cooled Reactor in China (3)
H. Hayakawa / Y. Shimizu / F. Okamoto / Y. Misawa

Commercialization of Modular High Temperature Gas-cooled Reactors in the World (11)
H. Hayakawa / F. Okamoto / K. Ohhashi

Development of Test Facility for Metal Fuel Injection Casting Furnace@ (22)
N. Tsukino / S. Yoshie / M. Izaki / T. Izumiya
T. Furuya / A. Kondo / M. Tokiwai
Development of Concrete Recycling System@ (27)
Y. Sakazume / Y. Kuroda / K. Nakamura

Design and Installation of LHD Helical Divertor@ (38)
S. Hirata / H. Ise / K. Ide / N. Inoue / R. Sakamoto
Y. Kubota / S. Masuzaki / T. Morisaki / N. Noda / O. Motojima
Disaster Prevention Surveillance System (42)
S. Nara / E. Kamiya
Introduction to the Rea
l Time Visualization SoftwaregVisLinkh (47)
A. Ogasa

Fresh Information (NISSHO IWAI, FURUKAWA KIKAI KINZOKU) (37, 46)

Cover DesignFHidekazu Horiuchi

Hitoshi Hayakawa, Yoshio Shimizu, Futoshi Okamoto, Yoshimasa Misawa
Development of Commercial High Temperature Gas-cooled Reactor in China@
FAPIG No. 158 pp.3`10 (2001)

@The high temperature gas-cooled test reactor HTR-10 achieved the first criticality in last December in Institute of Nuclear Energy Technology of Tsinghua University in Beijing. Fuji Electric and Nissho Iwai have a cooperative information exchange agreement on the commercialization of the HTGRs with INET, and held an information exchange meeting in last March in INET.
@INET has started a study on the modification of the HTR-10 to couple with gas turbine system and a pre-feasibility study on the commercial HTGR under the cooperation with China State Power Company.
@The experiences and abilities of INET in the field of the HTGR and the aggressive plan for commercialization of the HTGR in China are summarized and discussed.

KEYWORDSFHTGR, modular HTGR, commercial HTGR, China, INET, HTR-10,HTR-PM

i Hayakawa, Futoshi Okamoto, Kazutaka Ohhashi
Commercialization of Modular High Temperature Gas-cooled Reactors in the World
FAPIG No. 158 pp.11`21 (2001)

@The construction programs of the commercial high temperature gas-cooled reactors have been activated extraordinarily all over the world.
@This paper gives an overview of the three major programs, the South African PBMR project (US utility Exelon announced recently their plan to import PBMRs), the international GT-MHR project (by US DOE, General Atomics, MINATOM of Russian Federation, FRAMATOME ANP, Fuji Electric) and Chinese HTR-PM project. And the reasons why the utilities selected small modular HTGRs as next generation reactors, the superior characteristics of the small modular HTGRs for power generation plant and prospects of them are summarized and discussed.

KEYWORDSFHTGR, modular HTGR, commercial HTGR, PBMR, GT-MHR, HTR-PM, next generation reactor, small reactor

Noriyuki Tsukino, Shinji Yoshie, Makoto Izaki, Toru Izumiy
a, Takemi Furuya, Akihiro Kondo, Moriyasu Tokiwai
Development of Test Facility for Metal Fuel Injection Casting Furnace
FAPIG No. 158 pp.22`26 (2001)

An injection casting process for fabrication of metal fuel slugs from U-Zr(uranium and zirconium) melt is essential to establish a metal fuel recycle system. We first manufactured the injection casting furnace with inductive heating to develop and demonstrate the process with the U-Zr alloy in Japan.
We cast fuel slugs with satisfactory length and qualities by the furnace in a series of tests.

KEYWORDSFinjection casting, injection casting furnace, metal fuel, inductive heating, U-Zr alloy

Yoshiyuki Sakazume, Yasuhiro Kuroda, Kazuyuki Nakamura
Development of Concrete Recycling System
FAPIG No. 158 pp.27`36 (2001)

@Using the existing gheating and rubbing methodh, aggregates available for concrete in structures and pulverized materials were produced from concrete rubble which had diameter of less than 40mm.
@The coarse and fine aggregates produced by this method has equivalent quality designated by Japanese Industrial Standard. The specimen made with pulverized materials, standard sand and water had uni-axial strength of more than 200kN/m2. From these results, the aggregates can be used for concrete in structures, and the pulverized materials are available for soil stabilization.
@The relation between cement-water ratio and compressive strength of concrete with the recycled aggregates was obtained from some tests at concrete mixing plant. Based on these results, the mix proportion of the concrete for structures and strength criteria for control was determined for construction of a building.

KEYWORDSFdemolition work, reinforced concrete structure, concrete waste, concrete recycling, recycled aggregates, Soil stabilization, aggregates for concrete structures

Shingo Hirata, Hideo Ise, Kiyoshi Ide, Noriyuki Inoue, Ryuichi Sakamoto,
Yusuke Kubota, Suguru Masuzaki, Tomohiro Morisaki, Nobuaki Noda, Osam
u Motojima
Design and Installation of LHD Helical Divertor
FAPIG No. 158 pp.38`41 (2001)

The operation of the Large Helical Device, LHD, in National Institute for Fusion Science, has been successfully proceeded after the completion of construction in march, 1998. Divertor is a component to remove heat and impurities escaping along magnetic field lines from a plasma to divertor target plates. Divertor elements, composed of graphite target plates and oxygen free copper heat sinks, are mechanically fixed in array to a coolant tube running helically with the same pitch as helical coils. This paper introduces the design and installation of the divertor for the Large Helical Device.

KEYWORDSFdivertor, Large Helical Device, fusion device

Satoru Nara, Eisei Kamiya
Disaster Prevention Surveillance System
FAPIG No. 158 pp.42`45 (2001)

Fuji Electric Co., Ltd. has supplied many management systems to nuclear reactor institution. The nuclear countermeasures-against-calamities special-measur
es was enforced. A nuclear entrepreneur has devised the measure about expansion prevention and restoration of a calamity while it endeavors after prevention of generating of a nuclear calamity.
Our company have supplied the disaster prevention surveillance system to the Japan Atomic Energy Research Institute Tokai research institute aiming at strengthening of the monitoring function at the time (after the accident) of the accident used as one of the above-mentioned measures. A disaster prevention surveillance system can share the information on the accident spot in an on-site command place, an activity headquarters, and support organizations, when the serious accident happens. This system is composed of various sensors (temperature, pressure and radiation), cameras, computers and network.

KEYWORDSFdisaster prevention surveillance systemCradiation monitoring system, ITV cameras system

Atsuji Ogasa
Introduction to the Real Time Visualization Software Vi
FAPIG No. 158 pp.47`53 (2001)

The recent progress of the High Performance Computers are allowing engineers to perform more larger scale simulations. However, this has caused to generate large volume of data which can only be analyzed by real-time visualization techniques. VisLink is a software tool which designed to enable a real-time visualization for HPC system. This paper introduced the development background and function outlines of VisLink.

KEYWORDSFreal time visualization, high performance computing






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