KOBAYASHI Daichi

Department of PhysicsResearch Assistant

Degree

  • Ph. D., Nihon University, Mar. 2021

Research Keyword

  • プラズマ加速
  • 高電圧パルス放電
  • 大気圧プラズマ
  • パルス放電
  • Plasma application
  • Compact torus
  • Field-Reversed Configuration
  • Nuclear fusion
  • Plasma Physics

Field Of Study

  • Natural sciences, Particle, nuclear, cosmic-ray, and astrophysics - experiment
  • Energy, Nuclear fusion, Field-Reversed Configuration, Compact torus
  • Energy, Basic plasma science

Career

  • Apr. 2021
    Nihon University, Department of Physics, College of Science and Technology, Research Assistant

Educational Background

  • Apr. 2019 - Mar. 2021
    Nihon University, Graduate School of Science and Technology, Department of Physics
  • Apr. 2017 - Mar. 2019
    Nihon University, Graduate School of Science and Technology, Department of Physics
  • Apr. 2013 - Mar. 2017
    Nihon University, College of Science and Technology, Department of Physics

Award

  • プラズマ・核融合学会, プラズマ・核融合学会賞「第26回技術進歩賞」
    ★磁化プラズモイドの超音速/超アルヴェン速度加速および衝突合体によるFRC生成法の確立, Japan society
    浅井朋彦,髙橋努,小林大地
  • Nov. 2022
    日本大学理工学部, 学会・協会賞
    浅井朋彦;髙橋努;小林大地
  • 日本大学理工学部, 日本大学理工学部駿博会駿博奨励賞
  • 日本大学理工学部, 日本大学理工学部校友会桜工賞
  • 日本大学理工学部, 日本大学理工学部学生博士賞

Paper

  • ★Development of multichord ion Doppler spectroscopy system for toroidal flow measurement of field-reversed configuration
    K. Araoka; T. Asai; D. Kobayashi; T. Seki; T. Takahashi; J. Morelli; and H. Gota
    Review of Scientific Instruments, Dec. 2022, Refereed
  • ★Spectroscopic observation of super-Alfvénic field-reversed configuration merging process by mixing of tracer ions
    D. Kobayashi; T. Seki; T. Asai; Ts. Takahashi; J. Morelli; M. Inomoto; T. Takahashi; S. Dettrick; and H. Gota
    Review of Scientific Instruments, Oct. 2022, Refereed
    Lead
  • ★Development of visible light tomographic imaging system for field-reversed configuration collisional merging experiment
    T. Seki; T. Yamanaka; T. Asai; D. Kobayashi; T. Takahashi; J. Morelli; S. Okada; and H. Gota
    Review of Scientific Instruments, Oct. 2022, Refereed
  • ★Development of Rogowski probe for internal plasma current measurement in the collisional merging process of field-reversed configurations
    J. Ogasawara; T. Asai; D. Kobayashi; T. Seki; T. Takahashi; T. Roche; S. Dettrick; and H. Gota
    Review of Scientific Instruments, Oct. 2022, Refereed
  • ★Improvement of Plasmoid Acceleration Performance by Increased Magnetic Pressure Gradient for High-Mach Number Shock Generation
    Taichi SEKI; Tomohiko ASAI; Daichi KOBAYASHI; Tatsuhiro WATANABE; Daisuke HARASHIMA; Yasuaki TAMURA; Hiroki SOMEYA; Tsutomu TAKAHASHI and Jordan MORELLI
    Plasma and Fusion Research, Jul. 2022, Refereed
  • ★Effect of Collision Axes Offset of the Plasmoid in the Collisional Merging Process of FRC Plasma
    Hiroki SOMEYA; Tomohiko ASAI; Daichi KOBAYASHI; Taichi SEKI; Takuto YAMANAKA; Tatsuhiro WATANABE; Tsutomu TAKAHASHI and Naoki MIZUGUCHI
    Plasma and Fusion Research, Jun. 2022, Refereed
  • ★Effects of Collision Velocity and Mirror Ratio on Collision/Merging Processes of Field-Reversed Configurations
    Daisuke HARASHIMA; Tomohiko ASAI; Daichi KOBAYASHI; Taichi SEKI; Tatsuhiro WATANABE and Tsutomu TAKAHASHI
    Plasma and Fusion Research, May 2022, Refereed
  • ★Effect of Initial-Plasmoid Density Reduction on Collisional Merging Process of Field-Reversed Configurations
    Daichi KOBAYASHI; Taichi SEKI; Tomohiko ASAI; Yasuaki TAMURA; Hiroki SOMEYA; Tsutomu TAKAHASHI; Jordan MORELLI; and Shigefumi OKADA
    Plasma and Fusion Research, Apr. 2022, Refereed
    Lead
  • ★Observation of self-organized FRC formation in a collisional-merging experiment
    Tomohiko Asai; Daichi Kobayashi; Taichi Seki; Yasuaki Tamura; Tatsuhiro Watanabe; Naoto Sahara; Tsutomu Takahashi; Jordan Morelli; Hiroshi Gota; Thomas Roche; Richard Magee; Michl Binderbauer; Toshiki Tajima; Michiaki Inomoto and Toshiki Takahashi
    Nuclear Fusion, Aug. 2021, Refereed
  • ★MHD simulation of supersonic FRC merging corrected by non-invasive magnetic measurements
    D. Kobayashi; T. Asai; Ts. Takahashi; T. Watanabe; T. Yoshino; D. Harashima; S. Dettrick; Y. Mok; and H. Gota
    Review of Scientific Instruments, May 2021, Refereed, Not invited
    Lead
  • ★Energy Flow in the Super Alfvénic / Sonic Collisional Merging Process of Field-Reversed Configurations
    Daichi KOBAYASHI; Tomohiko ASAI; Tsutomu TAKAHASHI; Arisa TATSUMI; Naoto SAHARA; Tatsuhiro WATANABE; Daisuke HARASHIMA; Hiroshi GOTA and Thomas ROCHE
    Plasma and Fusion Research, Feb. 2021, Refereed, Not invited
    Lead
  • ★Experimental evidence for super-Alfvénic acceleration of the field-reversed configuration due to a magnetic pressure gradient
    Daichi Kobayashi and Tomohiko Asai
    Physics of Plasmas, Feb. 2021, Refereed, Not invited
    Lead
  • Suppression of radial motion in translated field-reversed configuration plasma via global gyro-effect
    Daichi Kobayashi; Taichi Seki; Tsutomu Takahashi; Jordan Morelli; Tomohiko Asai
    Plasma Physics and Controlled Fusion, Apr. 2024
  • Observation of rapid flux coalescence in merging field-reversed configurations
    T. Asai; T. Seki; D. Kobayashi; T. Roche; T. Tajima
    Physics of Plasmas, Jan. 2024
  • Increased Relative Velocity due to Enhanced Magnetic Pressure Gradient for the Collision Experiment of High-Beta Plasmoids
    Taichi SEKI; Daichi KOBAYASHI; Tomohiko ASAI; Tsutomu TAKAHASHI; Jordan MORELLI
    Plasma and Fusion Research, Oct. 2023, Refereed, Not invited
  • Visible-Light Imaging of the Super-Alfvénic/Sonic Collisional Merging Process of Field-Reversed Configurations with a Contrast Medium-Mixed Plasmoid
    Daichi KOBAYASHI; Taichi SEKI; Tomohiko ASAI; Keisuke HIRAMA; Reiji HAYATA; Kota ARAOKA; Tsutomu TAKAHASHI; Jordan MORELLI
    Plasma and Fusion Research, Jun. 2023, Refereed
    Lead
  • Development of a Tomography Camera System with a Doublet Lens Unit for Supersonic Collisional Merging Formation of FRC
    Keisuke HIRAMA; Reiji HAYATA; Taichi SEKI; Daichi KOBAYASHI; Tsutomu TAKAHASHI; Tomohiko ASAI
    Plasma and Fusion Research, May 2023, Refereed
  • Development of a fast response neutron detector for the supersonic FRC collision process
    N. Sahara; T. Asai; D. Kobayashi; Ts. Takahashi; H. Ogawa; and R. Magee
    Review of Scientific Instruments, Jun. 2021, Refereed, Not invited
  • Development of a Langmuir probe array for radial potential profile measurement in the collisional merging formation FRC
    K. Akashi; Y. Iijima; D. Kobayashi; T. Asai; T. Roche; and J. Morelli
    Review of Scientific Instruments, May 2021, Refereed, Not invited
  • Multi-point density measurement of a collisional merging formation process of FRCs
    A. Tatsumi; T. Asai; Ts. Takahashi; D. Kobayashi; and H. Someya
    Review of Scientific Instruments, May 2021, Refereed, Not invited
  • Internal magnetic measurement in collisional-merging process of a field-reversed configuration
    T. Watanabe; T. Asai; Ts. Takahashi; D. Kobayashi; and D. Harashima
    Review of Scientific Instruments, May 2021, Refereed, Not invited
  • Acceleration of Magnetized Plasmoid by Pulsed Magnetic Coil
    Taichi SEKI; Tomohiko ASAI; Daichi KOBAYASHI; Ryotaro YANAGI; Hiroshi GOTA; Thomas ROCHE and Tadafumi MATSUMOTO
    Plasma and Fusion Research, Dec. 2020, Refereed, Not invited
  • Physical vapor deposition using a coaxial ion acceleration method
    D. Kobayashi; T. Asai; and Y. Ashizawa
    Review of Scientific Instruments, Sep. 2020, Refereed, Not invited
    Lead
  • Behavior of a tracer-containing compact toroid in a transverse magnetic field
    Taichi SEKI; Daichi KOBAYASHI; Rika SASAKI; Asuna MINAMIGI; Tomohiko ASAI; Hiroshi GOTA; Thomas ROCHE; Tadafumi MATSUMOTO; Toshiki TAKAHASHI; Naoki TAMURA and Yoshiro NARUSHIMA
    Plasma and Fusion Research, Jul. 2020, Refereed, Not invited
  • Evaluation of translation velocity control by auxiliary coils for the collisional merging formation of FRCs by 2-D resistive MHD simulation
    Daichi KOBAYASHI; Tomohiko ASAI; Tsutomu TAKAHASHI; Junichi SEKIGUCHI; Hiroshi GOTA; Sean DETTRICK; Yung MOK; Michl BINDERBAUER and Toshiki TAJIMA
    Plasma and Fusion Research, Feb. 2020, Refereed, Not invited
    Lead
  • Collisional merging formation of a field-reversed configuration in the FAT-CM device
    T. Asai; T. Takahashi; J. Sekiguchi; D. Kobayashi; S. Okada; H. Gota; T. Roche; M. Inomoto; S. Dettrick; Y. Mok; M.W. Binderbauer; T. Tajima and T. Takahashi
    Nuclear Fusion, Apr. 2019, Refereed, Not invited
  • Development of a tracer-containing compact-toroid injection system
    D. Kobayashi; T. Asai; S. Yamada; Y. Ishikawa; N. Tamura; and Y. Narushima
    Review of Scientific Instruments, Sep. 2018, Refereed, Not invited
    Lead
  • Collisional merging process of field-reversed configuration plasmas in the FAT-CM device
    Fumiyuki TANAKA; Tomohiko ASAI; Junichi SEKIGUCHI; Tsutomu TAKAHASHI; Junpei ISHIWATA; Takahiro EDO; Naoto ONO; Keisuke MATSUI; Shintarou WATANABE; Daiki HISHIDA; Daichi KOBAYASHI; Yousuke HIROSE; Akiyoshi HOSOZAWA; Yung MOK; Sean DETTRICK; Thomas ROCHE; Hiroshi GOTA; Michl W. BINDERBAUER and Toshiki TAJIMA
    Plasma and Fusion Research, Jul. 2018, Refereed, Not invited

Lectures, oral presentations, etc.

  • ★SUPER-SONIC/ALFVÉNIC COLLISION AND MERGING OF FIELD-REVERSED CONFIGURATION PLASMAS
    T. ASAI; D. KOBAYASHI; T. SEKI; Ts. TAKAHASHI; N. SAHARA; M. NAGATA; Y. NAGAYAMA; S. OKADA; K. IWAMOTO
    The 28th IAEA Fusion Energy Conference, Apr. 2021
  • ★MHD Simulation of Supersonic FRC Merging Compensated by Non-Invasive Magnetic Measurements
    D. Kobayashi; T. Asai; Ts. Takahashi; T. Watanabe; T. Yoshino; D. Harashima; S. Dettrick; Y. Mok and H. Gota
    The 23rd Topical Conference on High-Temperature Plasma Diagnostics, Dec. 2020, Not invited
  • ★Evaluation of particle trap efficiency in a supersonic collisional merging of FRCs
    A. Tatsumi; T. Asai; Ts. Takahashi; D. Kobayashi and H. Someya
    The 23rd Topical Conference on High-Temperature Plasma Diagnostics, Dec. 2020, Not invited
  • Measurement of radial distribution of toroidal flow velocity during spin-up process of collisional merging FRC plasma
    荒岡宏太; 小林大地; 関太一; 平間圭祐; 髙橋努; 浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • FRC生成およびリコネクション実験のための高速スフェロマック合体装置の開発
    小林 大地,森 正輝,金子 悠花,伊藤 冬美,松平 夏奈,早田 怜司,関 太一,髙橋 努,浅井 朋彦
    『高ベータトーラスプラズマの学理と応用』研究会, Dec. 2023, Not invited
  • FRCの衝突合体過程におけるフローの時間発展
    菊池 龍之介,荒岡宏太; 清田けいが; 関太一; 小林大地; 髙橋努; 浅井朋彦
    『高ベータトーラスプラズマの学理と応用』研究会, Dec. 2023, Not invited
  • DLCコート電極を用いたファラデーカップにおける二次電子放出の抑制
    小林央二郎; 一谷美緒; 関太一; シュピンドラー慧敏; 中森秀樹; 小林大地; 浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • Dependence of Supersonic FRC Merging Timescale on Density and Temperature
    小林大地; 関太一; 小笠原樹利; 髙橋努; 佐々木真; Sean DETTRICK; 浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • Observation of high-frequency magnetic field fluctuations in collisional-merging process of field-reversed configurations
    関根杏; 川崎晃; 須田陽太; 関太一; 小林大地; 佐々木真; 浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • 磁化同軸プラズマガン生成プラズモイドによる金属片への運動量付与
    森 正輝; 金子悠花; 早田怜司; 伊藤冬美; 松平夏奈; 関太一; 小林大地; 浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • Time evolution of magnetic field structure during super-sonic counter-helicity spheromak merging
    金子悠花,森正輝,早田怜司,松平夏奈,伊藤冬美,関太一,小林大地,浅井朋彦
    プラズマ・核融合学会第40回年会, Nov. 2023, Not invited
  • Comparison of Internal Magnetic Structure during Field-Reversed Configuration Merging Process with Resistive MHD Simulation
    D. Kobayashi; T. Seki; T. Asai; T. Takahashi; H. Suda; M. Sasaki; S. Dettrick
    7th Asia-Pacific Conference on Plasma Physics 2023, Nov. 2023, Not invited
  • Simultaneous 3-view measurement of toroidal flow using IDS system in the FAT-CM device
    R. Kikuchi,K.Araoka; K.Kiyota; T.Seki; D.Kobayashi; T.Takahashi; T.Asai
    7th Asia-Pacific Conference on Plasma Physics 2023, Nov. 2023, Not invited
  • Visible-Light Imaging of Merging Formed FRCs by Wide-View Tomography Camera
    R. Hayata; K. Hirama; T. Seki; D. Kobayashi; T. Takahashi; T. Asai
    7th Asia-Pacific Conference on Plasma Physics 2023, Nov. 2023, Not invited
  • Development of a Super-sonic Spheromak Merging Device for Magnetic Reconnection Experiments
    D. Kobayashi; T. Seki; M. Mori; H. Kaneko; K. Ito; R. Hayata; Y. Takeuchi; N. Matsudaira; T. Takahashi; T. Asai
    65th Annual Meeting of the APS Division of Plasma Physics, Nov. 2023, Not invited
  • Observation of the Transition of Internal Magnetic Structure During the Merging Process in Field-Reversed Configurations
    T. Seki; D. Kobayashi; A. Sekine; H. Suda; H. Kawasaki; T. Takahashi; T. Asai; M. Sasaki; T. Tajima
    65th Annual Meeting of the APS Division of Plasma Physics, Nov. 2023
  • Observation of Supersonic FRC Merging Process using Wide-View Visible-Light Tomographic Camera
    R. Hayata; K. Hirama; T. Seki; D. Kobayashi; T. Takahashi; T. Asai
    65th Annual Meeting of the APS Division of Plasma Physics, Nov. 2023, Not invited
  • 超音速衝突合体生成過程におけるFRCプラズマの合体速度
    小林 大地; 関 太一; 小笠原 樹利; 髙橋 努; 佐々木 真; Thomas ROCHE; Sean Dettrick; 浅井朋彦
    日本物理学会第 78 回年次大会, Sep. 2023, Not invited
  • Internal magnetic/current profile of supersonic translated and collisional merged FRCs
    D. Kobayashi; T. Seki; K. Hirama; R. Sakurada; R. Hayata; Ts. Takahashi; J. Morelli; S. Dettrick; H. Gota; M. Inomoto; T. Takahashi; H. Hasebe; and T. Asai
    日本物理学会2023年春季大会, Mar. 2023, 一般社団法人日本物理学会, Not invited
  • FRC衝突合体生成における磁気ヘリシティの効果検証のためのスフェロマック合体実験計画
    小林大地,関太一,柳凌太郎,森正輝,髙橋努,浅井朋彦
    令和4年度 核融合科学研究所共同研究研究会,「高ベータトーラスプラズマ研究会」, Dec. 2022, Not invited
  • Radial Profile Of Plasma Current During/After Collisional Merging Process Of Field-Reversed Configuration
    Daichi Kobayashi; Juri Ogasawara; Tomohiko Asai; Taichi Seki; Tsutomu Takahashi; Jordan Morelli; Thomas Roche; Sean Dettrick; and Hiroshi Gota
    20th International Congress on Plasma Physics, Nov. 2022, Not invited
  • Multipoint Internal Magnetic Measurement in the Collisional Merging of Field-Reversed Configurations
    T. Seki; D. Harashima; D. Kobayashi; T. Takahashi; and T. Asai
    2022 US-Japan Workshop on "Progress of the Innovative and Alternative Confinement Concepts", Dec. 2022, Not invited
  • Expansion of field of view by newly designed doublet-lens incident optics for visible light tomography of FRCs
    R. Hayata; K.Hirama; T. Seki; D.Kobayashi; T. Takahashi; and T. Asai
    2022 US-Japan Workshop on "Progress of the Innovative and Alternative Confinement Concepts", Dec. 2022, Not invited
  • Radial Magnetic/Current Profile of a Field-Reversed Configuration during/after Super-Alfvénic Translation and Collisional Merging
    Daichi Kobayashi; Juri Ogasawara; Tomohiko Asai; Taichi Seki; Tsutomu Takahashi
    2022 US-Japan Workshop on "Progress of the Innovative and Alternative Confinement Concepts", Dec. 2022, Not invited
  • Super-Sonic/Alfvenic Collision Experiment of High-Beta Plasmoids in the Enhanced Magnetic Pressure Gradient
    関 太一; 小林大地; 髙橋 努; 浅井朋彦
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Application of magnetic mirror to increase density in RMF-generated plasma
    大西裕馬; 一谷美緒; 金子悠花; 小林大地; 浅井朋彦; 井通暁; 小口治久
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Toroidal Flow Measurement of Collisional Merging Formed FRCs by Helium Doping
    荒岡宏太; 小林大地; 関太一; 髙橋努; 浅井朋彦
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Visualization of supersonic translation process of FRC by helium doping
    平間圭祐,早田怜司,小林大地,関太一,髙橋努,浅井朋彦
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • 2-D Resistive MHD Simulation for Collision-less Shock Experiments by Collision of High-Beta Plasmoids
    小林大地,関太一,髙橋努,Sean DETTRICK,郷田博司,浅井朋彦
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Expanded View by Doublet-Lens for Visible-Light Tomography of Merging Formed FRCs
    早田怜司; 平間圭祐; 小林大地; 関太一; 高橋努; 浅井朋彦
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Development of a CT injector for refueling/refluxing of a FRC reactor core
    柳凌太郎,森正輝,金子悠花,関太一,小林大地,浅井朋彦,郷田博司,Thomas ROCHE,松本匡史,高橋俊樹
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Development of refueling/refluxing method of FRC plasma by axial plasmoids merging
    備後光貴; 小林大地; 関太一; 浅井朋彦; 高橋努
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Development of Transformer-Coupled Pulse Circuit for Magnetic Pumping on FRC Plasma
    加藤拓人; 高橋努; 浅井朋彦; 小林大地; 関太一
    プラズマ・核融合学会 第39回年会, Nov. 2022, Not invited
  • Increased Relative Velocity due to Enhanced Magnetic Pressure Gradient for the Collision Experiment of High-Beta Plasmoids
    Taichi SEKI; Daichi KOBAYASHI; Tomohiko ASAI; Tsutomu TAKAHASHI; and Jordan MORELLI
    The 31th International Toki Conference on Plasma and Fusion Research, Nov. 2022, Not invited
  • Development of Tomography Camera System with Doublet Lens Unit for Super-sonic Collisional Merging Formation of FRC
    Keisuke HIRAMA; Reiji HAYATA; Taichi SEKI; Daichi KOBAYASHI; Tsutomu TAKAHASHI and Tomohiko ASAI
    The 31th International Toki Conference on Plasma and Fusion Research, Nov. 2022, Not invited
  • Visible Light Imaging of Super-Alfvénic/Sonic Collisional Merging Process of Field-Reversed Configurations with Contrast-Medium Mixing Plasmoid
    D. Kobayashi; T. Seki; T. Asai; K. Hirama; R. Hayata; K. Araoka; T. Takahashi; J. Morelli
    The 31th International Toki Conference on Plasma and Fusion Research, Nov. 2022, Not invited
  • Spectroscopic Imaging of Supersonic Collisional Merging Process of Tracer Mixing FRC
    D. Kobayashi; T. Seki; K. Hirama; R. Sakurada; R. Hayata; Ts. Takahashi; J. Morelli; S. Dettrick; H. Gota; M. Inomoto; T. Takahashi; H. Hasebe; and T. Asai
    日本物理学会2022年秋季大会, Sep. 2022, 一般社団法人日本物理学会, Not invited
  • Feature Extraction of Internal Magnetic Field Data Using Dynamic Mode Decomposition in the Self-Organization Process of FRC
    T. Seki; D. Kobayashi; T. Takahashi; S. Inagaki; M. Sasaki; T. Murakami; and T. Asai
    日本物理学会2022年秋季大会, Sep. 2022, 一般社団法人日本物理学会, Not invited
  • 直交磁場中に入射したコンパクトトロイドの巨視的挙動の観測
    柳凌太郎,森正輝,関太一,小林大地,浅井朋彦,郷田博司,Thomas ROCHE ,松本匡史,高橋俊樹
    第14回核融合エネルギー連合講演会, Jul. 2022, Not invited
  • 磁場反転配位プラズマの超音速移送過程における装置端部電気的境界条件の影響
    小林大地,関 太一,髙橋 努,Jordan Morelli; 浅井朋彦
    第14回核融合エネルギー連合講演会, Jul. 2022, Not invited
  • 衝突合体FRCプラズマの自己組織化的再形成に対する移送速度の影響
    関 太一,小林大地,髙橋 努,Jordan Morelli; 浅井朋彦
    第14回核融合エネルギー連合講演会, Jul. 2022, Not invited
  • FRC 衝突合体過程における自発プラズマ電流の観測
    小笠原樹利,小林大地,関太一,原島大輔,荒岡宏太,高橋努,稲垣滋,浅井朋彦
    第14回核融合エネルギー連合講演会, Jul. 2022, Not invited
  • 直交磁場中に入射したコンパクトトロイドの,巨視的挙動の観測
    柳凌太郎,森正輝,関太一,小林大地,浅井朋彦,郷田博司,Thomas ROCHE ,松本匡史,高橋俊樹
    第14回核融合エネルギー連合講演会, Jul. 2022, Not invited
  • Development of Visible Light Tomographic Imaging System for FRC Collisional Merging Experiment on the FAT-CM Device
    Taichi Seki; Takuto Yamanaka; Tomohiko Asai; Daichi Kobayashi; Tsutomu Takahashi; Jordan Morelli; Shigefumi Okada; Hiroshi Gota
    High-Temperature Plasma Diagnostics Conference 2022, May 2022, Not invited
  • Development of Rogowski Probe for Internal Plasma Current Measurement in the Collisional Merging Process of FRCs
    Juri Ogasawara; Tomohiko Asai; Daichi Kobayashi; Taichi Seki; Tsutomu Takahashi; Thomas Roche; Sean Dettrick; Hiroshi Gota
    High-Temperature Plasma Diagnostics Conference 2022, May 2022, Not invited
  • Development of Multichord Ion Doppler Spectroscopy System for Toroidal Flow Measurement of Field-Reversed Configuration
    Kota Araoka; Tomohiko Asai; Daichi Kobayashi; Taichi Seki; Tsutomu Takahashi; Jordan Morelli; Hiroshi Gota
    High-Temperature Plasma Diagnostics Conference 2022, May 2022, Not invited
  • Spectroscopic Observation of Super-Alfvénic FRC Merging Process with Tracer-Containing Plasmoid
    Daichi Kobayashi; Taichi Seki; Tomohiko Asai; Tsutomu Takahashi; Jordan Morelli; Michiaki Inomoto; Toshiki Takahashi; Sean Dettrick; and Hiroshi Gota
    High-Temperature Plasma Diagnostics Conference 2022, May 2022, Not invited
  • Structural transitions in a super-sonic collision process of plasmoids
    浅井朋彦; 関 太一,小林大地,高橋努,稲垣 滋,井 通暁,髙橋俊樹,岸本泰明
    日本物理学会第77回年次大会, Mar. 2022, Not invited
  • Super-Alfvénic collision of extremely high-beta plasmoids for collisionless shock experiments
    Taichi Seki; Tomohiko Asai; Daichi Kobayashi; Tsutomu Takahashi; Takamasa Kikuchi; Hiroshi Hasebe; Koichi Iwamoto; Shinichiro Ohnuki; Seiya Kishimoto; Jordan Morelli
    33rd International Symposium on Space Technology and Science, Mar. 2022, Not invited
  • A Laboratory Astrophysical Project Toward Understanding Mysterious Fast Radio Bursts
    Yoske Sumitomo; Tomohiko Asai; Shota Kisaka; Haruhisa Koguchi; Kazuhiro Kusaka; Ryotaro Yanagi; Yuma Onishi; Yasushi Hayakawa; Daichi Kobayashi; Shiomi Kumagai; Takeshi Sakai; Taichi Seki
    33rd International Symposium on Space Technology and Science, Mar. 2022, Not invited
  • Recent Experimental Results on FAT-CM device
    Daichi Kobayashi; Taichi Seki; Tomohiko Asai; Yasuaki Tamura; Tatsuhiro Watanabe; Takuto Yamanaka; Juri Ogasawara; and Tsutomu Takahashi
    2022 US-Japan Workshop on Compact Tori, Feb. 2022, Not invited
  • FRC衝突による衝撃波実験のための条件領域の拡大
    小林大地,関太一,田村康明,染谷紘希,髙橋努,浅井朋彦
    令和3 年度 核融合科学研究所共同研究研究会,「自己組織化過程を用いた高ベータトーラスプラズマの性能改善」, Dec. 2021, Not invited
  • 磁化同軸イオン加速法によるDLC生膜装置の改良における薄膜状態の変化
    丸山 祐,梶田大貴,関 太一,高津幹夫,平塚傑工,小林大地,浅井朋彦
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • 歯科応用を目的とした窒素による低温大気圧プラズマの生成
    三本松清貴,牛島海人,小林大地,浅井朋彦
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • 直交磁場中に入射された磁化プラズモイドにおける不純物イオンの挙動の観測
    下里和希,柳凌太郎,関 太一,小林大地,浅井朋彦
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • 直交磁場中に入射した CT の入射距離の評価
    柳凌太郎,関 太一,小林大地,浅井朋彦,郷田博司,Thomas Roche,松本匡史
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • FRC移送過程における磁気圧力勾配の増加による加速性能の向上
    関 太一,渡邊達大,小林大地,髙橋 努,浅井朋彦
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • パルスコイルを用いた複数のプラズモイド生成と移送タイミング制御の検討
    備後光貴,小林大地,浅井朋彦,高橋 努
    令和3年度(第65回)理工学部学術講演会, Dec. 2021, Not invited
  • Super-Alfvénic collision/merging experiments of extremely high beta plasmoids
    浅井朋彦,小林大地,関太一,髙橋努,稲垣滋,岸本泰明,井通暁,髙橋俊樹
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Density reduction for generation of collisionless shocks by FRC collision
    小林大地,関太一,田村康明,染谷紘希,髙橋努,Jordan Morelli,岡田成文,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Improvement Acceleration Performance by Increased Magnetic Pressure Gradient in Collisional Merging FRC formation
    関太一,渡邉達大,小林大地,髙橋努,Jordan Morelli,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Effect of collision modes on particle trap efficiency in collisional merging experiments of FRC
    染谷紘希,小林大地,関太一,山中拓人,髙橋努,水口直紀,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Translation condition for the reversal field formation in collisional merging experiments of FRCs
    原島大輔,小林大地,関太一,渡邉達大,髙橋努,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Penetration depth of a Compact Toroid injected into transverse magnetic field
    柳凌太郎,浅井朋彦,関太一,小林大地,郷田博司,Thomas Roche,松本匡史
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Local current measurement by internal Rogoski coil in collisional merging process of FRCs
    小笠原樹利,関太一,渡邉達大,明石和久,田村康明,小林大地,髙橋努,稲垣滋,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Visualization of collisional merging FRC formation process by Helium doped plasmoid
    櫻田凌介,小林大地,関太一,山中拓人,田村康明,染谷紘希,髙橋努,浅井朋彦
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Formation of confinement magnetic field in RMF plasma source by application of external magnetic field
    大西裕馬,小林大地,浅井朋彦,井通暁,小口治久
    プラズマ・核融合学会 第38回年会, Nov. 2021, Not invited
  • Improvement of Plasmoid Acceleration Performance by Increased Magnetic Pressure Gradient for High Mach Number Shock Generation
    T. Seki; T. Asai; D. Kobayashi; T. Watanabe; D. Harashima; Y. Tamura; H. Someya; T. Takahashi; J. Morelli
    The 30th International Toki Conference on Plasma and Fusion Research, Nov. 2021, Not invited
  • Effect of initial-plasmoid density reduction on collisional merging process of field-reversed configurations
    D. Kobayashi; T. Seki; T. Asai; Y. Tamura; H. Someya; T. Takahashi; J. Morelli; S. Okada
    The 30th International Toki Conference on Plasma and Fusion Research, Nov. 2021, Not invited
  • Effect of collision modes in the collisional merging process of FRC plasma
    H. Someya; T. Asai; D. Kobayashi; T. Seki; T. Yamanaka; T. Watanabe; T. Takahashi; N. Mizuguchi
    The 30th International Toki Conference on Plasma and Fusion Research, Nov. 2021, Not invited
  • Effects of collision velocity and mirror ratio on collision/merging processes of FRCs
    D. Harashima; T. Asai; D. Kobayashi; T. Seki; T. Watanabe; T. Takahashi
    The 30th International Toki Conference on Plasma and Fusion Research, Nov. 2021, Not invited
  • Dependence of magnetic reconnection on ion gyroradius during the super-Alfvénic/sonic collisional merging process of field-reversed configurations
    D. Kobayashi; T. Seki; Y. Tamura; T. Watanabe; Ts. Takahashi; J. Morelli T. Asai
    63rd Annual Meeting of the APS Division of Plasma Physics, Nov. 2021, Not invited
  • Dependence of Energy Flow on the Translation Velocity in Collisional Merging of Field-Reversed Configuration
    T. Seki; D. Kobayashi; Y. Tamura; T. Watanabe; H. Someya; T. Takahashi; J. Morelli; T. Asai
    63rd Annual Meeting of the APS Division of Plasma Physics, Nov. 2021, Not invited
  • Coil Geometry Dependence of FRC Formation / Translation in a Conical Theta-Pinch
    Taichi SEKI; Tatsuhiro WATANABE; Daichi KOBAYASHI; Tsutomu TAKAHASHI; Tomohiko ASAI
    日本物理学会2021年秋季大会, Sep. 2021, 一般社団法人日本物理学会, Not invited
  • Self-Organized FRC Formation in a Collisional Merging Experiment
    浅井朋彦,小林大地,関太一,田村康明,高橋努,髙橋俊樹,井通暁,稲垣滋,岸本泰明
    日本物理学会2021年秋季大会, Sep. 2021, 一般社団法人日本物理学会, Not invited
  • Spectroscopic observation of magnetic reconnection in supersonic collisional merging process of FRC
    D. Kobayashi; T. Seki; T. Yamanaka; R. Sakurada; J. Ogasawara; Ts. Takahashi and T. Asai
    日本物理学会2021年秋季大会, Sep. 2021, 一般社団法人日本物理学会, Not invited
  • Toward Understanding of Astrophysical Fast Radio Bursts from An Accelerator and Plasma Experiment
    住友洋介,浅井朋彦,木坂将太,境武志,早川恭史,熊谷紫麻見,小林大地,関太一,稲垣滋,川中宣太,小口治久,清紀弘
    第18回日本加速器学会年会, Aug. 2021
  • Proposal of Experimental Study on Collision-Less Shockwave by Super-Alfvénic Collision of Extremely High-Beta Plasmoids
    D. Kobayashi; T. Asai; Ts. Takahashi; T. Watanabe; D. Harashima; T. Seki; N. Sahara; A. Tatsumi and H. Someya
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • Acceleration of Magnetized Plasmoid by Pulsed Magnetic Field
    T. Seki; T. Asai; D. Kobayashi and R. Yanagi
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • 2D and 3D MHD Simulations of Merging Process in FRC
    M. Xu; N. Mizuguchi; D. Kobayashi and T. Asai
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • Suppression of wobble motion of FRC by application of radial electric field
    Y. Tamura; K. Akashi; Y. Iijima; T. Yamanaka; K. Miura; D. Kobayashi; Ts. Takahashi and T. Asai
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • Internal magnetic structure of extremely high-beta plasmoids in supersonic collision process
    D. Harashima; T. Asai; Ts. Takahashi; D. Kobayashi and T. Watanabe
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • Effect of background neutral particle during translation onto a collisional merging FRC
    H. Someya; T. Asai; Ts. Takahashi; A. Tatsumi and D. Kobayashi
    2020 US-Japan Website Workshop on Compact Tori, Dec. 2020, Not invited
  • Internal Magnetic Measurement in Collisional Merging Process of a Field-Reversed configuration
    T. Watanabe; T. Asai; Ts. Takahashi; D. Kobayashi and D. Harashima
    The 23rd Topical Conference on High-Temperature Plasma Diagnostics, Dec. 2020, Not invited
  • Development of Langmuir Probe Array for Radial Potential Profile Measurement in a Collisional Merging Formation FRC
    K. Akashi; Y. Iijima; D. Kobayashi; T. Asai; J. Morelli and T. Roche
    The 23rd Topical Conference on High-Temperature Plasma Diagnostics, Dec. 2020, Not invited
  • Development of fast response neutron detector for supersonic collision of FRCs
    N. Sahara; T. Asai; D. Kobayashi; Ts. Takahashi; H. Ogawa; R.Magee
    The 23rd Topical Conference on High-Temperature Plasma Diagnostics, Dec. 2020, Not invited
  • Energy Flow in Super Alfvénic/Sonic Collisional Merging Process of Field-Reversed Configurations
    D. Kobayashi; T. Asai; Ts. Takahashi; A. Tatsumi; N. Sahara; T. Watanabe; D. Harashima; H. Gota; and T. Roche
    The 29th International Toki Conference on Plasma and Fusion Research, Oct. 2020, Not invited
  • Acceleration of Magnetized Plasmoid by Pulsed Magnetic Coil
    T. Seki; T. Asai; D. Kobayashi; R. Yanagi; H. Gota; T. Roche; T. Matsumoto
    The 29th International Toki Conference on Plasma and Fusion Research, Oct. 2020, Not invited
  • MHD simulation of FRCs for velocity control in the collisional merging process
    D. Kobayashi; T. Asai; Ts. Takahashi; J. Sekiguchi; H. Gota; S. Dettrick; Y. Mok; M. Binderbauer; and T. Tajima
    2019 US-Japan Workshop on Compact Tori, Nov. 2019, Not invited
  • Tracer-containing compact toroid injection into a transverse magnetic field
    T. Seki; D. Kobayashi; T. Asai; H. Gota; T. Roche; T. Matsumoto; T. Takahashi
    2019 US-Japan Workshop on Compact Tori, Nov. 2019, Not invited
  • Evaluation of Translation Velocity Control by Auxiliary Coils for Collisional Merging Formation of FRCs by 2-D Resistive MHD Simulation
    D. Kobayashi; T. Asai; Ts. Takahashi; J. Sekiguchi; H. Gota; S. Dettrick; Y. Mok; M. Binderbauer; and T. Tajima
    The 28th International Toki Conference on Plasma and Fusion Research, Nov. 2019, Not invited
  • Behavior of Tracer-Containing Compact Toroid in a Transverse Magnetic Field
    D. Kobayashi; T. Asai; T. Seki; R. Sasaki; A. Minamigi; H. Gota; T. Roche; T. Matsumoto; T. Takahashi; N. Tamura; Y. Narushima and TAE team
    The 61th Annual Meeting of the APS Division of Plasma Physics, Oct. 2019, Not invited
  • Synthesis of High or Low Melting Point Metallic Thin Films Utilizing Magnetized Coaxial Plasma Guns
    S. Yaegashi; K. Suzuki; K. Matsuda; S. Kurumi; T. Asai; J. Sekiguchi; and D. Kobayashi
    The 61th Annual Meeting of the APS Division of Plasma Physics, Oct. 2019, Not invited
  • Development of a three-phase rotating magnetic field system for a compact static plasma source
    S. Kawai; Y. Shindo; D. Kobayashi; T. Asai; M. Inomoto and H. Koguchi
    The 60th Annual Meeting of the APS Division of Plasma Physics, Oct. 2018, Not invited
  • Development of a tracer contained compact toroid injector
    T. Seki; D. Kobayashi and T. Asai
    2018 US-Japan Workshop on Compact Tori, Oct. 2018, Not invited
  • Collisional Merging of a Field-Reversed Configuration in the FAT-CM Device
    T. Asai; J. Sekiguchi; T. Takahashi; J. Ishiwata; N. Ono; F. Tanaka; A. Hosozawa; D. Kobayashi; S. Okada; H. Gota; T. Roche; S. Dettrick; Y. Mok; M. W. Binderbauer; T. Tajima; M. Inomoto; and T. Takahashi
    The 27th IAEA Fusion Energy Conference, Oct. 2018

Affiliated academic society

  • 電気学会
  • プラズマ・核融合学会
  • American Physical Society
  • 日本物理学会

Research Themes

  • 亜音速/超音速インフローによる磁気リコネクション速度への影響の実験的検証
    日本学術振興会, 科学研究費助成事業 若手研究, Apr. 2023 - Mar. 2025
    小林 大地
  • 超音速プラズモイド合体による磁場反転配位プラズマの生成条件の検証
    公益財団法人天野工業技術研究所, 2023年度研究助成金, Sep. 2023 - Aug. 2024
    小林大地
  • 超音速インフロー下での高ベータプラズマ中の磁気リコネクション過程の可視化
    日本大学理工学部, 理工学研究所外部資金獲得(スタートアップ)支援 研究助成金, Apr. 2022 - Mar. 2023
  • トレーサー元素含有コンパクトトロイド入射法の開発
    日本学術振興会, 若手研究者海外挑戦プログラム, Jul. 2019 - Oct. 2019

Industrial Property Rights

  • 特許第7332169号, 特願2020-553979, 磁化プラズモイド射出装置
    浅井朋彦, 小林大地, 関太一
  • 特許第7144780号, 特許第7144780号, 特開2019-053977, 特願2018-148177, 大気圧プラズマ発生装置
    浅井朋彦, 田中郁行, 小林大地, 小口治久