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Journal Articles

Validation practices of multi-physics core performance analysis in an advanced reactor design study

Doda, Norihiro; Kato, Shinya; Hamase, Erina; Kuwagaki, Kazuki; Kikuchi, Norihiro; Ohgama, Kazuya; Yoshimura, Kazuo; Yoshikawa, Ryuji; Yokoyama, Kenji; Uwaba, Tomoyuki; et al.

Proceedings of 20th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-20) (Internet), p.946 - 959, 2023/08

An innovative design system named ARKADIA is being developed to realize the design of advanced nuclear reactors as safe, economical, and sustainable carbon-free energy sources. This paper focuses on ARKADIA-Design for design studies as a part of ARKADIA and introduces representative verification methods for numerical analysis methods of the core design. ARKADIA-Design performs core performance analysis of sodium-cooled fast reactors using a multiphysics approach that combines neutronics, thermal-hydraulics, core mechanics, and fuel pin behavior analysis codes. To confirm the validity of these analysis codes, validation matrices are identified with reference to experimental data and reliable numerical analysis results. The analysis models in these codes and the representative practices for the validation matrices are described.

Journal Articles

Impact of the edge pedestal characteristics on the integrated performance in advanced tokamak operation modes in JT-60U

Kamada, Yutaka; Oyama, Naoyuki; Ide, Shunsuke; Sakamoto, Yoshiteru; Isayama, Akihiko; Fujita, Takaaki; Urano, Hajime; Suzuki, Takahiro; Yoshida, Maiko

Plasma Physics and Controlled Fusion, 48(5A), p.A419 - A427, 2006/05

 Times Cited Count:16 Percentile:48.19(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Compatibility of advanced tokamak plasma with high density and high radiation loss operation in JT-60U

Takenaga, Hidenobu; Asakura, Nobuyuki; Kubo, Hirotaka; Higashijima, Satoru; Konoshima, Shigeru; Nakano, Tomohide; Oyama, Naoyuki; Porter, G. D.*; Rognlien, T. D.*; Rensink, M. E.*; et al.

Nuclear Fusion, 45(12), p.1618 - 1627, 2005/12

 Times Cited Count:19 Percentile:53.17(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Enhanced performance and control issues in JT-60U long pulse discharges

Sakamoto, Yoshiteru; JT-60 Team

Plasma Physics and Controlled Fusion, 47(12B), p.B337 - B348, 2005/12

 Times Cited Count:3 Percentile:10.44(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Prospect of compact accelerator based on breakthrough technologies

Arakawa, Kazuo

Genshiryoku Nenkan 2006-Nen Ban, p.125 - 126, 2005/10

no abstracts in English

JAEA Reports

Progress in JT-60 innovative technologies

Department of Fusion Facilities; Department of Fusion Plasma Research

JAERI-Review 2005-037, 348 Pages, 2005/09

JAERI-Review-2005-037.pdf:39.28MB

no abstracts in English

Journal Articles

Current status of experimental study and device modifications in JT-60U

Kurihara, Kenichi; JT-60 Team

Proceedings of 21st IEEE/NPSS Symposium on Fusion Engineering (SOFE 2005) (CD-ROM), 6 Pages, 2005/09

Since JT-60 is expected to explore more advanced operation scenarios, the discharge pulse length and the duration time of additional NBI/RF heating were extended to 65 s and 30 s/60 s, respectively, in 2003. The experimental campaign in 2003-2004 has ended up with the following significant results: (a) The high bootstrap current ratio of 75 % was sustained for 7.4 s in an R/S plasma. (b) The quasi-steady state beta value was increased to 3.0 for a pulse of 6.2 s with NTM suppression by ECCD, etc. For further exploration toward high performance plasmas, the following modifications have been conducted: (1) To minimize the power loss at the region of toroidal field ripple, the 8Cr ferritic steel tiles are being equipped on the first wall of the vacuum vessel. (2) A new current profile reproduction method will be installed in the plasma control system. In the symposium, the current status of plasma experimental study will be presented together with on-going device modifications in JT-60.

Journal Articles

Research for thermal-hydraulic performance in a tight-lattice fuel assembly, 2; Two-phase flow analysis in a fuel assembly with a large-scale simulation

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

Nihon Konsoryu Gakkai Nenkai Koenkai 2005 Koen Rombunshu, p.231 - 232, 2005/08

no abstracts in English

Journal Articles

Recent technological progress for advanced tokamak research in JT-60U and JFT-2M

Hosogane, Nobuyuki; JT-60 Team; JFT-2M Group

Fusion Science and Technology, 47(3), p.363 - 369, 2005/04

 Times Cited Count:3 Percentile:24.17(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Present status of thermal design of nuclear reactors using large-scale simulations

Takase, Kazuyuki

Nihon Kikai Gakkai Ryutai Kogaku Bumon Nyuzu Reta Nagare (Internet), 6 Pages, 2005/04

no abstracts in English

Journal Articles

Compatibility of advanced tokamak plasma with high density and high radiation loss operation in JT-60U

Takenaga, Hidenobu; Asakura, Nobuyuki; Kubo, Hirotaka; Higashijima, Satoru; Konoshima, Shigeru; Nakano, Tomohide; Oyama, Naoyuki; Porter, G. D.*; Rognlien, T. D.*; Rensink, M. E.*; et al.

Proceedings of 20th IAEA Fusion Energy Conference (FEC 2004) (CD-ROM), 8 Pages, 2004/11

no abstracts in English

Journal Articles

Fusion research by magnetic confinement devices in Japan

Matsuda, Shinzaburo

IEEE Transactions on Plasma Science, 32(2), p.749 - 756, 2004/04

 Times Cited Count:0 Percentile:0.02(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Advanced fusion technologies developed for JT-60 superconducting Tokamak

Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Akino, Noboru; Ando, Toshinari*; Arai, Takashi; Ezato, Koichiro; Hamada, Kazuya; Ichige, Hisashi; Isono, Takaaki; et al.

Nuclear Fusion, 44(2), p.329 - 334, 2004/02

no abstracts in English

Journal Articles

Advanced fusion technologies developed for JT-60 superconducting Tokamak

Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Akino, Noboru; Ando, Toshinari*; Arai, Takashi; Ezato, Koichiro; Hamada, Kazuya; Ichige, Hisashi; Isono, Takaaki; et al.

Nuclear Fusion, 44(2), p.329 - 334, 2004/02

 Times Cited Count:7 Percentile:22.88(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Prospect of compact accelerators based on breakthrough technologies, Prospect of ion beam applications, Development of free Electron laser

Arakawa, Kazuo

Genshiryoku Nenkan 2004-Nen Ban, p.196 - 197, 2003/11

no abstracts in English

JAEA Reports

Summary of the Symposium on Beryllides as an Advanced Nuclear Functional Material

Department of JMTR, Oarai

JAERI-Review 2003-026, 163 Pages, 2003/09

JAERI-Review-2003-026.pdf:16.05MB

no abstracts in English

Journal Articles

Development of advanced antennas and diamond windows for ECH/CD in fusion reactor

Takahashi, Koji; Kasugai, Atsushi; Minami, Ryutaro; Sakamoto, Keishi; Ikeda, Yukiharu; Kobayashi, Noriyuki*; Imai, Tsuyoshi

Denki Gakkai Genshiryoku Kenkyukai Shiryo (NE-03-1), p.1 - 6, 2003/09

no abstracts in English

Journal Articles

Development of advanced blanket materials for a solid breeder blanket of a fusion reactor

Kawamura, Hiroshi; Ishitsuka, Etsuo; Tsuchiya, Kunihiko; Nakamichi, Masaru; Uchida, Munenori*; Yamada, Hirokazu*; Nakamura, Kazuyuki; Ito, Haruhiko; Nakazawa, Tetsuya; Takahashi, Heishichiro*; et al.

Nuclear Fusion, 43(8), p.675 - 680, 2003/08

 Times Cited Count:28 Percentile:63.92(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Challenge to plasma fusion

Kitsunezaki, Akio; Yoshikawa, Shoichi*

Shin, Kaku Yugo Eno Chosen, 244 Pages, 2003/03

This book explains the recent progress of fusion research mainly on those of tokamaks, and contribute to the public information on fusion R&D. Researches on herical devices and inertial fusion are also briefly described. Consisits of 20 chapters: What is high temperature plasma ? / Current hole / Fusion power generaation / plasma and magnetic field / plasma confinement / particle and heat flow by copllision / heat flow by plasma fluctuation / heat flow by radiation / plasma heating / drive plasma current / plasma diagnostics / plasma and vacuum vessel / heat insulating layer / stellalater / inertial confinement / to fusion reactor / international cooperation / safety of fusion / special use of fusion reactor / future prospects / The contents are consistent with directions and discuusions in committees.

Journal Articles

TSC modelling of current ramp scenarios with ITB-Generated bootstrap currents in JT-60U reversed shear discharges

Nakamura, Yukiharu; Tsutsui, Hiroaki*; Takei, Nahoko*; Sakamoto, Yoshiteru; Fujita, Takaaki; Sugihara, Masayoshi; Ozeki, Takahisa; Tobita, Kenji; Konishi, Satoshi; Iio, Shunji*; et al.

Europhysics Conference Abstracts, 27A, 4 Pages, 2003/00

no abstracts in English

71 (Records 1-20 displayed on this page)