Search Results 1-20 of 1900

  • Sub-cable Butt Joint Design for CS Magnet of CFETR

    Rong Jian , Huang Xiongyi , Lu Kun , Song Yuntao , Yang Haojun

    Journal of the Physical Society of Japan 88(2), 2019-01-18

    JPS

  • Experimental Study on MHD Effect of Liquid Metal Sheath Jet for the Liquid Metal Divertor REVOLVER-D

    GOTO Takuya , OHGO Takeru , MIYAZAWA Junichi

    … <p>MHD effect of a liquid metal sheath jet, which is the jet stabilized by an inserted chain, has been experimentally investigated to examine its applicability to the divertor target of a fusion reactor. … This indicates that mitigation of the Lorentz force and further investigation of the behavior of the liquid metal sheath jet under the exposure of divertor plasma is necessary to realize the divertor target using the liquid metal sheath jet.</p> …

    Plasma and Fusion Research 14(0), 1405092-1405092, 2019

    J-STAGE

  • FEM Simulation of Axisymmetric Pellet Injection System Using HTS Linear Acceleration

    TAKAYAMA Teruou , YAMAGUCHI Takazumi , SAITOH Ayumu , KAMITANI Atsushi , NAKAMURA Hiroaki

    … <p>The acceleration performance of the pellet injection system used in a superconducting linear acceleration to fuel the nuclear fusion reactor has been investigated numerically. …

    Plasma and Fusion Research 14(0), 3401077-3401077, 2019

    J-STAGE

  • Recent Progress in the Numerical Simulation Reactor Research Project

    SUGAMA Hideo , the Numerical Simulation Reactor Research Project Group

    … In the National Institute for Fusion Science (NIFS), we are utilizing the full capability of the supercomputer (Plasma Simulator) and propelling domestic and international collaborations in order to conduct the Numerical Simulation Reactor Research Project (NSRP). …

    Plasma and Fusion Research 14(0), 3503059-3503059, 2019

    J-STAGE

  • First Experimental Campaign on SMOLA Helical Mirror

    SUDNIKOV Anton V. , MELNIKOV Nikita A. , BEKLEMISHEV Aleksey D. , POSTUPAEV Vladimir V. , IVANOV Ivan A. , INZHEVATKINA Anna A. , SKLYAROV Vladislav F. , BURDAKOV Aleksandr V. , KUKLIN Konstantin N. , ROVENSKIKH Andrey F.

    … <p>Experimental evidence of the plasma flow suppression by the helical magnetic mirror is presented. … Reported experiments were done during the first plasma campaign in the SMOLA helical mirror device at self-consistent floating potentials of all in-vessel electrodes and at minimal magnetic fields suitable for confinement regime. …

    Plasma and Fusion Research 14(0), 2402023-2402023, 2019

    J-STAGE

  • Recent Advancement of Research on Plasma Direct Energy Conversion

    TAKENO Hiromasa , ICHIMURA Kazuya , NAKAMOTO Satoshi , NAKASHIMA Yousuke , MATSUURA Hiroto , MIYAZAWA Junichi , GOTO Takuya , FURUYAMA Yuichi , TANIIKE Akira

    … <p>Present plasma direct energy conversion (DEC) system has been developed since proposal of ARTEMIS. … The system for D-<sup>3</sup>He reactor is composed of cusp-type DEC (CuspDEC) for particle discrimination, traveling wave DEC (TWDEC) for recovery of high energy protons, and secondary electron DEC (SEDEC) for recovery of extremely accelerated protons. …

    Plasma and Fusion Research 14(0), 2405013-2405013, 2019

    J-STAGE

  • Thermal and Mechanical Properties of Fe<sub>2</sub>Zr  [in Japanese]

    OKADA Daisuke , ISHII Hiroto , OHISHI Yuji , MUTA Hiroaki , KUROSAKI Ken

    … Following the accident at the Fukushima Daiichi Nuclear Power Plant in 2011, fuel debris formed in the reactor. … Ingots of Fe<sub>2</sub>Zr were synthesized by arc melting, then the ingots were crushed to powders, which was followed by spark plasma sintering to obtain high-density polycrystalline bulk samples. …

    Transactions of the Atomic Energy Society of Japan 18(1), 37-42, 2019

    J-STAGE

  • Thermal and Mechanical Properties of Fe<sub>2</sub>Zr  [in Japanese]

    OKADA Daisuke , ISHII Hiroto , OHISHI Yuji , MUTA Hiroaki , KUROSAKI Ken

    … Following the accident at the Fukushima Daiichi Nuclear Power Plant in 2011, fuel debris formed in the reactor. … Ingots of Fe<sub>2</sub>Zr were synthesized by arc melting, then the ingots were crushed to powders, which was followed by spark plasma sintering to obtain high-density polycrystalline bulk samples. …

    Transactions of the Atomic Energy Society of Japan, 2019

    J-STAGE

  • Quantitative Analysis Method for Determination of Boron Concentration in Stainless Steel-B<sub>4</sub>C Alloy by ICP-OES

    SUMITA Takehiro , KOBAYASHI Yoshinao

    … Measurement of concentration of boron in stainless steel-boron carbide (SS-B<sub>4</sub>C) alloy is in high demand for the decommissioning of the damaged nuclear reactor. … In this study, quantitative determination of boron concentration in SS-B<sub>4</sub>C alloy containing about 0.5 to 4mass% of boron was investigated by using inductively coupled plasma optical emission spectrometry (ICP-OES). …

    Journal of the Japanese Society for Experimental Mechanics 18(4), 247-249, 2019

    J-STAGE

  • Decomposition of N<sub>2</sub>O Gas by Non-thermal Equilibrium Plasma using Activated Carbon Packed Bed Reactor  [in Japanese]

    Yasui Shinji , Suzuki Shohei , Koike Kunihiko

    … We have been developing the compact type of plasma reactor for decomposing the exhaust gas of N<sub>2</sub>O. … We fabricated the fixed-bed-type plasma reactor filling mixture of an alumina wool and an activated carbon, and the decomposed experiments were conducted. …

    IEEJ Transactions on Fundamentals and Materials 139(1), 24-29, 2019

    J-STAGE

  • Synthesis of silver nanoparticles by atmospheric-pressure pulsed discharge plasma in a slug flow system

    Yamada Motoki , Takahashi Shigenori , Wahyudiono , Takada Noriharu , Kanda Hideki , Goto Motonobu

    … Application of nonequilibrium atmospheric-pressure plasma has been proven as a medium for silver particle formation in slug flow reactor systems. … Argon gas was introduced in the slug flow reactor system in the gas phase. …

    Jpn. J. Appl. Phys. 58(1), 016001, 2018-11-27

    JSAP

  • Establishment of a New Promotion Policy and a Roadmap toward Fusion DEMO Reactor  [in Japanese]

    松浦 重和 , 小川 雄一 , 岡野 邦彦 , 上田 良夫 , 秋山 毅志

    プラズマ・核融合学会誌 = Journal of plasma and fusion research 94(11), 575-582, 2018-11

  • Control of Reactor Core and Plant Operation Technology  [in Japanese]

    日渡 良爾 , 坂本 宜照

    プラズマ・核融合学会誌 = Journal of plasma and fusion research 94(11), 536-539, 2018-11

  • High speed processing of wastewater using hybrid reactor with underwater cavitation and discharge plasma  [in Japanese]

    西山 博稀 , 猪原 哲

    電気学会研究会資料. PPP = The papers of technical meeting, IEE Japan 2018(66-72), 31-35, 2018-10-28

  • High speed processing of wastewater using hybrid reactor with underwater cavitation and discharge plasma  [in Japanese]

    西山 博稀 , 猪原 哲

    電気学会研究会資料. ED = The papers of technical meeting on electrical discharges, IEE Japan 2018(137-143), 31-35, 2018-10-28

  • Direction toward fusion DEMO reactor development : Action plan and progress in fusion technology  [in Japanese]

    岡野 邦彦 , 飛田 健次

    Ατομοσ : journal of the Atomic Energy Society of Japan = アトモス : 日本原子力学会誌 60(10), 637-641, 2018-10

  • Contribution of Catalytic Performance of CeO_2 in Nonthermal Plasma Chemical Reaction

    Egawa Yusuke , Hamada Shoma , Einaga Hisahiro

    … In this study, the performance of a surface discharge plasma-catalysis combined reactor for benzene decomposition was studied. … Benzene conversion and CO_2 selectivity increased upon loading a CeO_2 catalyst onto the plasma reactor. …

    Evergreen 5(3), 34-37, 2018-09

    IR DOI

  • Development of the Divertor Heat Removal Component with W and ODS-Cu by the Advanced Brazing Technique  [in Japanese]

    時谷 政行

    プラズマ・核融合学会誌 = Journal of plasma and fusion research 94(8), 385-393, 2018-08

  • Surface morphology changes of silicon carbide by helium plasma irradiation

    Yamashita N. , Omori K. , Kimura Y. , Hinoki T. , Ibano K. , Lee H.T. , Ueda Y.

    … Silicon carbide (SiC) and its composites are candidate materials for the blanket components and for the first wall in a fusion reactor. … If the SiC is used without any armor materials for the first wall, it is exposed by helium (He) plasma as well as hydrogen plasma. … Characteristic surface morphology changes are reported for various materials by He plasma exposure. …

    Nuclear Materials and Energy (16), 145-148, 2018-08

    IR

  • Multiscale modeling for SiO

    Miyano Yumiko , Narasaki Ryota , Ichikawa Takashi , Fukumoto Atsushi , Aiso Fumiki , Tamaoki Naoki

    … A multiscale simulation model is developed for optimizing the parameters of SiO<inf>2</inf>plasma-enhanced atomic layer deposition of high-aspect-ratio hole patterns in three-dimensional (3D) stacked memory. … This model takes into account the diffusion of a precursor in a reactor, that in holes, and the adsorption onto the wafer. …

    Jpn. J. Appl. Phys. 57(6S2), 06JB03, 2018-05-24

    JSAP

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