Okamoto Masaaki

Profile Information

Affiliation: Department of Electrical Engineering, Ishikawa National College of Technology

Degree: 博士（工学）(名古屋大学)

J-GLOBAL ID: 200901094727434073
researchmap Member ID: 6000018067

Research Interests

Research Areas

Energy / Nuclear fusion /

Research History

Apr, 2016 - Present

Department of Electrical Engineering, Ishikawa National College of Technology
Apr, 2015 - Mar, 2016

Department of Electrical Engineering, Ishikawa National College of Technology
Apr, 2008 - Mar, 2015

Department of Electrical Engineering, Ishikawa National College of Technology

Education

Apr, 2004 - Mar, 2008

エネルギー理工学専攻, 工学研究科, 名古屋大学大学院

Awards

2010

第5回エネルギー教育賞優秀賞, 電気新聞

岡本征晃

Papers

Linear MHD analyses of locked-mode-like instabilities in LHD

M. Okamoto, H. Tomita, K.Y. Watanabe, M. Sato, Y. Takemura, S. Sakakibara, K. Ida, M. Yoshinuma, LHD Experiment Group

Nuclear Fusion, 61(4) 046005-046005, Apr 1, 2021 Peer-reviewed
Measurement of Poloidal Flow Profiles Using a Mach Probe Array in HYBTOK-II Tokamak with RMP Fields

Okamoto Masaaki, Sakakibara Satoru, Yoshimoto Naoya, Ohno Takuya, Ohno Noriyasu

PLASMA AND FUSION RESEARCH, 12 1202027-1202027, Jun 12, 2017 Peer-reviewed
Experimental Study on Slowing-Down Mechanism of Locked-Mode-Like Instability in LHD

Yuki TAKEMURA, Kiyomasa WATANABE, Tokihiko TOKUZAWA, Satoru SAKAKIBARA, Yoshiro NARUSHIMA, Masaaki OKAMOTO, Satoshi OHDACHI, Yasuhiro SUZUKI, Katsumi IDA, Mikiro YOSHINUMA …

Plasma and Fusion Research, 12 1402028-1402028, 2017 Peer-reviewed
Influence of external resonant magnetic perturbation field on edge plasma of small tokamak HYBTOK-II

Y. Hayashi, Y. Suzuki, N. Ohno, M. Okamoto, Y. Kikuchi, S. Sakakibara, K. Watanabe, Y. Takemura

Journal of Nuclear Materials, 463 463-466, Aug, 2015 Peer-reviewed
Characteristics of MHD instabilities limiting the beta value in LHD

S. Sakakibara, K. Y, Watanabe, Y. Takemura, M. Okamoto, S. Ohdachi, Y. Suzuki, Y. Narushima, K. Ida, M. Yoshinuma …

Nuclear Fusion, 55(8), Aug 1, 2015 Peer-reviewed
Response of MHD stability to resonant magnetic perturbation in the Large Helical Device

S. Sakakibara, Y. Narushima, Y. Takemura, M. Okamoto, K. Y. Watanabe, Y. Suzuki, S. Ohdachi, K. Ida, M. Yoshinuma, K. Tanaka …

Nuclear Fusion, 53(4) 043010, Apr, 2013 Peer-reviewed
Effect of resistivity profile on current decay time of initial phase of current quench in neon-gas-puff inducing disruptions of JT-60U

S. Kawakami, Y. Shibata, K.Y. Watanabe, N. Ohno, A. Isayama, T. Takizuka, Y. Kawano, M. Okamoto

Physics of Plasma, 20 112507, 2013 Peer-reviewed
Mode locking phenomena observed near the stability boundary of the ideal interchange mode of LHD

Y. Takemura, S. Sakakibara, Y. Narushima, M. Okamoto, K. Y. Watanabe, Y. Suzuki, S. Ohdachi, K. Ida, M. Yoshinuma, K. Tanaka …

NUCLEAR FUSION, 52(10) 102001, Oct, 2012 Peer-reviewed
Effect of externally applied resonance magnetic perturbation on current decay during tokamak disruption

Yuki Kanazawa, Yoshihide Shibata, Masaaki Okamoto, Noriyasu Ohno, Shin Kajita

Plasma and Fusion Research, 7(2012) 1202049, 2012 Peer-reviewed
Study of plasma current decay in the initial phase of high poloidal beta disruptions in JT-60U

Yoshihide Shibata, Kiyomasa Watanabe, Noriyasu Ohno, Masaaki Okamoto, Akihiko Isayama, Kenichi Kurihara, Naoyuki Oyama, Tomohide Nakano, Yasunori Kawano, Go Matsunaga …

Plasma and Fusion Research, 6(2011) 1302136, 2011 Peer-reviewed
石川高専における原子力教育

岡本征晃

電気学会誌, 131(6) 371-371, 2011
Study of current decay time during disruption in JT-60U tokamak

Y. Shibata, K. Y. Watanabe, M. Okamoto, N. Ohno, A. Isayama, K. Kurihara, T. Nakano, N. Oyama, Y. Kawano, G. Matsunaga …

NUCLEAR FUSION, 50(2) 025015, Feb, 2010 Peer-reviewed
Plasma Rotation Measurements by Passive Spectroscopic Method in the HYBTOK-II using a Dynamic Ergodic Divertor

HASEBE Yu, OKAMOTO Masaaki, KAJITA Shin, OHNO Noriyasu, TAKAMURA Shuichi

Plasma and Fusion Research, 3 S1015-S1015, 2008 Peer-reviewed
Systematic Analysis of Current Decay Time during Disruption in HYBTOK-II Tokamak

OKAMOTO Masaaki, OHNO Noriyasu, TAKAMURA Shuichi

Plasma and Fusion Research, 3 006-6, 2008 Peer-reviewed
Integrated view of disruption dynamics on internal electromagnetic and plasma structures in the small tokamak HYBTOK-II

M. Okamoto, S. Takamura, N. Ohno, S. Kajita, Y. Kikuchi, Y. Uesugi, T. Ozeki, Y. Kawano, M. Sugihara

NUCLEAR FUSION, 47(9) 1106-1111, Sep, 2007 Peer-reviewed
Dynamic interaction between disruptive plasma and wall in the small tokamak HYBTOK-II

M. Okamoto, T. Yamada, T. Hiraishi, Y. Kikuchi, N. Ohno, S. Takamura

JOURNAL OF NUCLEAR MATERIALS, 363 1076-1080, Jun, 2007 Peer-reviewed
The effect of the rotating helical fields on the plasma edge in the HYBTOK-II Tokamak

V. P. Budaev, I. M. Pankratov, S. Takamura, N. Ohno, M. Takagi, H. Matsuno, M. Okamoto, S. K. Saha

NUCLEAR FUSION, 46(4) S175-S180, Apr, 2006 Peer-reviewed

Misc.

Measurement of plasma response to resonant magnetic perturbation in small tokamak HYBTOK-II

大瀧亮祐, 岡本征晃, 渡邊清政, 大野哲靖, 筒井広明

プラズマ・核融合学会年会(Web), 40th, 2023
Measurement of internal plasma with Resonant Magnetic Perturbation using probes in small tokamak HYBTOK-II

岡本征晃, 山越匡葵, 渡邊清政, 大野哲靖

プラズマ・核融合学会年会(Web), 39th, 2022
Study of propagation process of resonant magnetic perturbation in HYBTOK-II tokamak plasma

岡本征晃, 渡邊清政, 大野哲靖

プラズマ・核融合学会年会(Web), 38th, 2021
Analysis of the initial phase of current quenches in the DIII-D tokamak

Y. Shibata, M. Okamoto, N. Eidietis, K.Y. Watanabe, V. Lukash, R. Khayrutdinov

Proceedings of 46th EPS conference on plasma physics, 43C P4.1049, Jul, 2019
トロイダル電流印加時の低磁気シアヘリオトロンプラズマにおける交換型MHD不安定性の研究

富田秀昭, 渡邊清政, 渡邊清政, 岡本征晃, 佐藤雅彦, 武村勇輝, 榊原悟

日本物理学会講演概要集(CD-ROM), 74(1), 2019
小型トカマクHYBTOK-IIにおけるプラズマ流速のプラズマパラメータ依存性

横山哲士, 渡邊清政, 渡邊清政, 岡本征晃, 徳澤季彦, 大野哲靖

日本物理学会講演概要集(CD-ROM), 74(1), 2019
高楕円度プラズマでのコーシー条件面法を用いたディスラプション時のプラズマパラメーター同定の検証

足立将梧, 柴田欣秀, 岡本征晃, 渡邊清政

プラズマ・核融合学会年会(Web), 36th, 2019
小型トカマクにおける積層セラミック製トリプルプローブアレイの試作と性能評価

岡本征晃, 柴田欣秀, 渡邊清政, 大野哲靖

プラズマ・核融合学会年会(Web), 36th, 2019
LHDにおけるロックトモード様不安定性の非線形飽和特性の数値解析

富田秀昭, 渡邊清政, 渡邊清政, 佐藤雅彦, 武村勇輝, 武村勇輝, 榊原悟, 榊原悟, 岡本征晃

プラズマ・核融合学会年会(Web), 36th, 2019
小型トカマク装置HYBTOK-IIにおける外部摂動磁場を用いた能動的MHD診断法の開発

柴田欣秀, 岡本征晃, 佐久間一行, 松永剛, 渡邊清政, 大野哲靖, 菊池祐介

プラズマ・核融合学会年会(Web), 36th, 2019
HYBTOK-IIトカマクにおける摂動磁場印加時のプラズマ応答に関する研究

岡本征晃, 大野哲靖, 渡邊清政, 榊原悟, 西村征也

プラズマ・核融合学会年会(Web), 35th, 2018
大型トカマク核融合装置DIII-Dにおけるディスラプション時の電流クエンチ解析

堀江弘将, 柴田欣秀, 岡本征晃, 渡邊清政, EIDIETIS Nicholas

電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM), 2017, 2017
小型トカマク装置HYBTOK-IIにおける外部摂動磁場-プラズマ相互作用とプラズマ流の関係

吉本直哉, 柴田欣秀, 岡本征晃, 大野哲靖, 梶田信, 田中宏彦, 松永剛, 菊池祐介, 佐久間一行, 榊原悟 …

電気学会基礎・材料・共通部門大会講演論文集(CD-ROM), 2017, 2017
小型トカマク装置におけるトロイダル磁場変調の磁場構造への影響評価

大野拓弥, 吉本直哉, 大野哲靖, 松永剛, 菊池祐介, 柴田欣秀, 岡本征晃, 梶田信, 榊原悟, 渡邊清政

日本物理学会講演概要集(CD-ROM), 71(2) ROMBUNNO.15aKA‐6, Sep 23, 2016
LHDで励起するロックドモード様不安定性の内部構造

武村勇輝, 渡邊清政, 徳沢季彦, 榊原悟, 成嶋吉朗, 岡本征晃, 土屋隼人, 山田一博

日本物理学会講演概要集(CD-ROM), 71(2), 2016
Numerical analysis of locked-mode like phenomena in LHD

渡邊清政, 岡本征晃, 武村勇輝, 佐藤雅彦, 徳沢季彦, 榊原悟, GARCIA Luis

プラズマ・核融合学会年会(Web), 33rd, 2016
Measurement of Plasma Flow and Magnetic Field Profiles in HYBTOK-II Tokamak with External RMP Coils

吉本直哉, 大野拓弥, 岡本征晃, 柴田欣秀, 大野哲靖, 梶田信, 松永剛, 菊池祐介, 榊原悟, 渡邊清政

プラズマ・核融合学会年会(Web), 33rd, 2016
小型トカマク装置を用いたトロイダル磁場変調によるプラズマ制御に関する検討

鈴木陽介, 林祐貴, 大野拓弥, 大野哲靖, 松永剛, 菊池祐介, 柴田欣秀, 岡本征晃, 梶田信, 榊原悟 …

日本物理学会講演概要集(CD-ROM), 70(2) ROMBUNNO.18ACP-9-656, Sep 24, 2015
Effect of toroidal magnetic field modulation on an edge magnetic field structure in small tokamak

大野拓弥, 鈴木陽介, 林祐貴, 大野哲靖, 松永剛, 柴田欣秀, 岡本征晃, 梶田信, 榊原悟, 渡邉清政 …

プラズマ・核融合学会年会(Web), 32nd, 2015
Study of interaction between resonant magnetic perturbation and MHD instabilities in the HYBTOK-II tokamak

岡本征晃, 林祐貴, 鈴木陽介, 大野拓弥, 大野哲靖, 柴田欣秀, 菊池祐介, 梶田信, 榊原悟, 渡邊清政

プラズマ・核融合学会年会(Web), 32nd, 2015

Teaching Experience

Professional Memberships

Research Projects

Study of resonant magnetic perturbation penetration induced by external coil in torus magnetized plasmas

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2027
小型トカマク装置でのプラズマ流直接計測による外部共鳴摂動磁場の伝搬機構の解明

科学研究費助成事業基盤研究(C), 基盤研究(C), 日本学術振興会, Apr, 2019 - Mar, 2022

岡本征晃
Study of the non-linear behavior of interchange MHD instability and its effect on the helical plasma confinement

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2017

WATANABE Kiyomasa, SAKAKIBARA Satoru, OHTACHI Satoshi, SUZUKI Yashihiro, TSUCHIYA Hayato, TAKEMURA Yuki, ITAGAKI Masafumi, OKAMOTO Masaaki, SHIBATA Yoshihide, SOGA Ryouta, TAKEHARA Keita
小型トカマクを用いたディスラプション時のプラズマ内部構造ダイナミクスの解明

科学研究費助成事業特別研究員奨励費, 特別研究員奨励費, 日本学術振興会, 2007 - 2008

岡本征晃

Profile Information

Research Interests

Research Areas

Research History

Education

Awards

Papers

Misc.

Teaching Experience

Professional Memberships

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