Volume 18 Special Issue 1 (2023)

Papers from the 31st International Toki Conference on Plasma and Fusion Research (ITC31)

Preface

Invited Talks at Organized Sessions

〈Meta-hierarchy Dynamics〉

Overview Articles

Perspective of Meta-Hierarchy Dynamics
Masanori NUNAMI, Atsushi M. ITO, Motoshi GOTO, Hiroki HASEGAWA, Hiroe IGAMI, Hiroshi KASAHARA, Gakushi KAWAMURA, Tomoko KAWATE, Seikichi MATSUOKA, Kenichi NAGAOKA, Ryuichi SAKAMOTO, Tetsuo SEKI, Arimichi TAKAYAMA, Shinichiro TODA and Meta-hierarchy dynamics unit
Plasma and Fusion Res. 18, 2501057 (2023) <Published on 14 July 2023>

〈Phase Space Turbulence〉

Regular Articles

Prospect for Experimental Investigation of Phase-Space Turbulence in Magnetically Confined Fusion Plasmas
Tatsuya KOBAYASHI
Plasma and Fusion Res. 18, 2402059 (2023) <Published on 2 August 2023>

〈Plasma Apparatus〉

Overview Articles

Magnetic Nozzle Radiofrequency Plasma Systems for Space Propulsion, Industry, and Fusion Plasmas
Kazunori TAKAHASHI, Christine CHARLES, Rod W BOSWELL, Kazuma EMOTO, Yoshinori TAKAO, Shiro HARA, Haruhisa NAKANO, Kenichi NAGAOKA and Katsuyoshi TSUMORI
Plasma and Fusion Res. 18, 2501050 (2023) <Published on 30 June 2023>

〈Complex Global Simulation〉

Overview Articles

Research Plan of Complex Global Simulation Unit
Yasushi TODO, Hideaki MIURA, Mieko TOIDA, Ryuichi ISHIZAKI, Masahiko SATO, Hao WANG, Ryosuke SEKI, Jialei WANG, Malik IDOUAKASS, Panith ADULSIRISWAD, Naoki MIZUGUCHI, Takashi YAMAMOTO and Hideo SUGAMA
Plasma and Fusion Res. 18, 2503067 (2023) <Published on 17 August 2023>

〈Ultrahigh-flux Concerting Materials〉

Overview Articles

Ultrahigh-Flux Concerting Materials
Takuya NAGASAKA, Makoto I. KOBAYASHI, Teruya TANAKA, Sadatsugu TAKAYAMA, Hiroyuki NOTO, Jingjie SHEN, Tatsuya HINOKI, Kiyohiro YABUUCHI, Katsuaki TANABE, Ryuta KASADA, Sosuke KONDO, Shuhei NOGAMI, Hiroki KURITA, Naoyuki HASHIMOTO, Yuji YAMAUCHI, Yasuhisa OYA, Takumi CHIKADA, Yuji HATANO, Kazunari KATAYAMA, Makoto OYA, Naoko OONO and Yoshitaka MORI
Plasma and Fusion Res. 18, 2505085 (2023) <Published on 23 October 2023>

Review Articles

Metastable Oxides with Magnetic Functionalities
Katsuhisa TANAKA
Plasma and Fusion Res. 18, 2101078 (2023) <Published on 28 August 2023>

Review Articles

Control and Application of Ultrahigh Hydrogen Flux in Materials
Makoto I. KOBAYASHI, Yuji HATANO, Masanori HARA, Yasuhisa OYA, Yuji YAMAUCHI, Teppei OTSUKA and Takuya NAGASAKA
Plasma and Fusion Res. 18, 2105073 (2023) <Published on 17 August 2023>

Contributed Papers

Regular Articles

Numerical Simulations of Hall MHD Turbulence with Magnetization
Hideaki MIURA and Fujihiro HAMBA
Plasma and Fusion Res. 18, 2401022 (2023) <Published on 23 May 2023>

Regular Articles

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 and Tomohiko ASAI
Plasma and Fusion Res. 18, 2401028 (2023) <Published on 12 May 2023>

Regular Articles

Measurement of L-Shell Emission from Iron-Group Elements for High-Resolution X-Ray Spectroscopy in Future Astronomy
Yuken OHSHIRO, Tomoko KAWATE, Hiroya YAMAGUCHI and Izumi MURAKAMI
Plasma and Fusion Res. 18, 2401041 (2023) <Published on 22 June 2023>

Regular Articles

Numerical Study of Ion Beam Evolution by Applying Pulsed Magnetic Field to RF Plasma
Takumi MATSUZAWA, Taichi TAKEZAKI and Hiroaki ITO
Plasma and Fusion Res. 18, 2401044 (2023) <Published on 14 June 2023>

Regular Articles

In Situ Visualization Inspired by Ant Colony Formation
Yan WANG, Nobuaki OHNO and Akira KAGEYAMA
Plasma and Fusion Res. 18, 2401045 (2023) <Published on 14 June 2023>

Regular Articles

Measurement of Ion Energy Distribution Function of Fast Plasma Flow Driven by Plasma Focus Device Using Retarding Field Energy Analyzer
Takuya OGUCHI, Jun MATSUYAMA, Muneaki SHIGETA, Taichi TAKEZAKI, Toru SASAKI and Hiroaki ITO
Plasma and Fusion Res. 18, 2401049 (2023) <Published on 14 June 2023>

Regular Articles

Initial Properties of Steady State RF Plasma Source by Two Turn Flat Loop Antenna for DEMO Relevant Divertor Simulation Experiment
Takumi SETO, Naomichi EZUMI, Reina MIYAUCHI, Naoki SHIGEMATSU, Takuma OKAMOTO, Satoshi TAKAHASHI, Kosuke TAKANASHI, Mafumi HIRATA, Satoshi TOGO, Mizuki SAKAMOTO, Takeru FURUKAWA and Shunjiro SHINOHARA
Plasma and Fusion Res. 18, 2401054 (2023) <Published on 22 June 2023>

Regular Articles

Confinement Experiments of Pure Ion and Electron Plasmas in a Nested Trap
Toshikazu OKADA, Haruhiko HIMURA, Yutaro NAKAJIMA and Akio SANPEI
Plasma and Fusion Res. 18, 2401072 (2023) <Published on 25 September 2023>

Regular Articles

Volumetric Recombination in the Linear ECR Plasma Device NUMBER
Konan YAGASAKI, Atsushi OKAMOTO, Takaaki FUJITA, Minami SUGIMOTO, Shunya HIGUCHI, Muneo KOIKE, Koki SATO and Yuto YAMADA
Plasma and Fusion Res. 18, 2401082 (2023) <Published on 12 October 2023>

Regular Articles

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
Plasma and Fusion Res. 18, 2401087 (2023) <Published on 18 October 2023>

Regular Articles

Design of Probe to Investigate Energetic Electrons in Lower Hybrid Wave Plasmas in the TST-2 Spherical Tokamak
Kouji SHINOHARA, Osamu WATANABE, Akira EJIRI, Naoto TSUJII, Seowon JANG, Yi PENG, Kotaro IWASAKI, Yu-Ting LIN, Yongtae KO, Yuita SHIRASAWA, Taichi HIDANO, Yiming TIAN and Fumiya ADACHI
Plasma and Fusion Res. 18, 2402006 (2023) <Published on 17 February 2023>

Regular Articles

Large Volume and Fast Response Gamma Ray Diagnostic in the Large Helical Device
Kunihiro OGAWA, Siriyaporn SANGAROON and Mitsutaka ISOBE
Plasma and Fusion Res. 18, 2402016 (2023) <Published on 5 April 2023>

Regular Articles

Correlation of the Orthogonal Basis of the Core Plasma Distribution to the Divertor Footprint Distribution in LHD
Hirohiko TANAKA, Suguru MASUZAKI, Gakushi KAWAMURA, Yuki HAYASHI, Masahiro KOBAYASHI, Yasuhiro SUZUKI, Kiyofumi MUKAI, Shin KAJITA and Noriyasu OHNO
Plasma and Fusion Res. 18, 2402021 (2023) <Published on 29 March 2023>

Regular Articles

Relationship between Edge Magnetic Field and Rotation of the Spatial Structure of Visible Light Emitted from Low Aspect RFP Plasmas on RELAX
Akio SANPEI, Haruhiko HIMURA, Takeru INOUE, Shinichiro INAGAKI, Natsuki KOJIMA, Ryota TAKAOKA and Takahiro SASAKI
Plasma and Fusion Res. 18, 2402024 (2023) <Published on 27 April 2023>

Regular Articles

Design Study of a Line Integrated Thomson Scattering System for TST-2 Spherical Tokamak Device
Akira EJIRI, Yu-Ting LIN, Seowon JANG, Yi PENG, Kouji SHINOHARA, Takeshi IDO, Kaori KONO and Yoshihiko NAGASHIMA
Plasma and Fusion Res. 18, 2402025 (2023) <Published on 27 April 2023>

Regular Articles

Measurement of Radiated Power Using an InfraRed Imaging Video Bolometer System in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma
Naoki SHIGEMATSU, Naomichi EZUMI, Kiyofumi MUKAI, Takumi SETO, Takuma OKAMOTO, Kosuke TAKANASHI, Satoshi TAKAHASHI, Reina MIYAUCHI, Satoshi TOGO, Mafumi HIRATA, Junko KOHAGURA, Masayuki YOSHIKAWA, Ryutaro MINAMI, Yousuke NAKASHIMA and Mizuki SAKAMOTO
Plasma and Fusion Res. 18, 2402031 (2023) <Published on 12 May 2023>

Regular Articles

Control of Transient Static Electric Field in the Magnetic Reconnection Experiment with Large Guide Field
Taiju SUZUKI, Michiaki INOMOTO, Hailin JIN and Kei NAKATSUKASA
Plasma and Fusion Res. 18, 2402033 (2023) <Published on 12 May 2023>

Regular Articles

ICRF Plasma Production with Hydrogen Minority Heating in Uragan-2M and Large Helical Device
Yurii V. KOVTUN, Vladimir E. MOISEENKO, Shuji KAMIO, Hiroshi KASAHARA, Tetsuo SEKI, Kenji SAITO, Ryosuke SEKI, Alexei V. LOZIN, Rostislav O. PAVLICHENKO, Anatolii N. SHAPOVAL, Igor E. GARKUSHA, Arturo ALONSO, Andreas DINKLAGE, Dirk HARTMANN, Yevgen O. KAZAKOV, Heinrich LAQUA, Josef ONGENA, Torsten STANGE and Tom WAUTERS
Plasma and Fusion Res. 18, 2402042 (2023) <Published on 22 June 2023>

Regular Articles

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 and Jordan MORELLI
Plasma and Fusion Res. 18, 2402043 (2023) <Published on 5 June 2023>

Regular Articles

First Experimental Monitoring of the Three-Dimensional Structure of Toroidal Plasmas Using Multiple Soft X-Ray Imaging Techniques
Shinichiro INAGAKI, Akio SANPEI, Takeru INOUE, Natsuki KOJIMA, Ryota TAKAOKA, Takahiro SASAKI and Haruhiko HIMURA
Plasma and Fusion Res. 18, 2402046 (2023) <Published on 14 June 2023>

Regular Articles

Study on Knock-on Tail Formation in Deuteron Velocity Distribution Function Due to ICRF-Heated Energetic Proton by Using Neutron Diagnostics in the Large Helical Device
Daisuke UMEZAKI, Hideaki MATSUURA, Kento KIMURA, Takahito FUKUDA, Kunihiro OGAWA, Mitsutaka ISOBE, Shuji KAMIO, Yasuko KAWAMOTO and Tetsutaro OISHI
Plasma and Fusion Res. 18, 2402056 (2023) <Published on 14 July 2023>

Regular Articles

Wave Absorption Profile during ICRF Heating in Mixed Plasma in Large Helical Device
Hiroshi KASAHARA, Tetsuo SEKI, Kenji SAITO, Dimitry MOSEEV, Naoto TSUJII, Goro NOMURA and Motonari KANDA
Plasma and Fusion Res. 18, 2402065 (2023) <Published on 10 August 2023>

Regular Articles

Sudden Change Events of Plasma Current during Electron-Cyclotron Current Start-Up on the QUEST Spherical Tokamak
Ryuya IKEZOE, Kosuke TAKEDA, Kengoh KURODA, Takumi ONCHI, Takahiro NAGATA, Izumi SEKIYA, Hiroshi IDEI, Fadilla ZENNIFA, Yifan ZHANG, Seiya SAKAI, Rikuya MIYATA, Takahiro YAMAGUCHI, Makoto HASEGAWA, Yoshihiko NAGASHIMA, Takeshi IDO and Kazuaki HANADA
Plasma and Fusion Res. 18, 2402066 (2023) <Published on 2 August 2023>

Regular Articles

Observation of Interaction between Fast Ions and Turbulence in Large Helical Device
Hikona SAKAI, Kenji TANAKA, Toshiki KINOSHITA and Kunihiro OGAWA
Plasma and Fusion Res. 18, 2402069 (2023) <Published on 25 September 2023>

Regular Articles

Investigation of Temporal Evolution of Hard X-Ray Spectrum from Neon-Seeded Plasma of ADITYA-U Tokamak
Shishir PUROHIT, Manoj K. GUPTA, Malay B. CHOWDHURI, Umesh NAGORA, Yashika TAUNK, Abhishek KUMAR, Kajal GARG, Surya K. PATHAK, Kumarpalsinh A. JADEJA, Rohit KUMAR, Kumudni TAHILIANI, Sameer KUMAR, Kaushal M. PATEL, Rakesh L. TANNA, Supriya A. NAIR, Joydeep GHOSH and ADITYA-U Team
Plasma and Fusion Res. 18, 2402079 (2023) <Published on 25 September 2023>

Regular Articles

Analysis of the Contribution of Magnetic Moment Conservation to Ion Energy Transport in the GAMMA 10/PDX Divergent Field Region
Kosuke TAKANASHI, Satoshi TOGO, Naomichi EZUMI, Mafumi HIRATA, Tsukasa SUGIYAMA, Naoki SHIGEMATSU, Takumi SETO, Takuma OKAMOTO, Satoshi TAKAHASHI, Kunpei NOJIRI and Mizuki SAKAMOTO
Plasma and Fusion Res. 18, 2402081 (2023) <Published on 25 September 2023>

Regular Articles

High-Energy Ion Generation During Difference-Frequency ICRF Wave Heating in GAMMA 10/PDX
Yudai SUGIMOTO, Mafumi HIRATA, Yousuke NAKASHIMA, Makoto ICHIMURA, Doyeon KIM, Takaaki KOZAWA, Shunya ENDO, Ryo KOBAYASHI, Ryuya IKEZOE, Naomichi EZUMI, Satoshi TOGO, Masayuki YOSHIKAWA, Junko KOHAGURA and Mizuki SAKAMOTO
Plasma and Fusion Res. 18, 2402084 (2023) <Published on 12 October 2023>

Regular Articles

Examination of High-Density Plasma Heating on the GAMMA 10/PDX Central Cell with 3D Wave Analysis Code
Doyeon KIM, Mafumi HIRATA, Yudai SUGIMOTO, Takaaki KOZAWA, Shunya ENDO, Ryou KOBAYASHI, Makoto ICHIMURA, Naomichi EZUMI, Satoshi TOGO, Yousuke NAKASHIMA, Mizuki SAKAMOTO, Ryuya IKEZOE and Atsushi FUKUYAMA
Plasma and Fusion Res. 18, 2403019 (2023) <Published on 10 March 2023>

Regular Articles

Numerical Study of Heat Transport in Static Liquid Metal Exposed to Plasma with Magnetic Field
Nopparit SOMBOONKITTICHAI and Guizhong ZUO
Plasma and Fusion Res. 18, 2403027 (2023) <Published on 23 May 2023>

Regular Articles

Improved Variable-Reduction Method and Its Variant for Solving Asymmetric EFG-Type Saddle-Point Problem
Atsushi KAMITANI, Yuito SHINDO, Teruou TAKAYAMA and Hiroaki NAKAMURA
Plasma and Fusion Res. 18, 2403039 (2023) <Published on 12 May 2023>

Regular Articles

Extension of Global Gyrokinetic Code for Tokamak Edge Turbulence Simulation
Shuhei OKUDA, Haruki SETO and Kenji IMADERA
Plasma and Fusion Res. 18, 2403040 (2023) <Published on 5 June 2023>

Regular Articles

Development of Target Injection System by Using Electromagnetic Coils
Mayuko KOGA, Sotaro UCHINO and Eiki MAEDA
Plasma and Fusion Res. 18, 2404060 (2023) <Published on 17 August 2023>

Regular Articles

Effect of Kilo-Tesla Magnetic Fields on Ignition and Burn Dynamics in Fast Ignition Laser Fusion
Naoki MATSUMURA, Tomoyuki JOHZAKI, Wookyung KIM and Takuma ENDO
Plasma and Fusion Res. 18, 2404061 (2023) <Published on 28 August 2023>

Regular Articles

Completion of all Winding Packs for ITER Toroidal Field Coils in Japan
Hideki KAJITANI, Mio NAKAMOTO, Tomone SUWA, Katsutoshi TAKANO, Yasuhiro UNO, Masataka NAKAHIRA and Takaaki ISONO
Plasma and Fusion Res. 18, 2405009 (2023) <Published on 24 February 2023>

Regular Articles

A Double Check Process for CCL Positional Plates in ITER TF Coil Integration
Shin HASEGAWA, Fumiaki TSUTSUMI, Kengo SAITO, Katsutoshi TAKANO, Kaori SAKAGUCHI, Kazuma YAKO and Masataka NAKAHIRA
Plasma and Fusion Res. 18, 2405011 (2023) <Published on 17 March 2023>

Regular Articles

Numerical Analysis of Hysteresis Loss in Stacked REBCO Tapes for Large Current-Carrying Conductors
Tetsuhiro OBANA and Akifumi KAWAGOE
Plasma and Fusion Res. 18, 2405013 (2023) <Published on 24 February 2023>

Regular Articles

Progress of Gamma Ray Irradiation Experiments on ITER Diagnostics from JADA
Sin-iti KITAZAWA, Eiichi YATSUKA, Masao ISHIKAWA, Tomohiko USHIKI, Toshihiro OIKAWA, Hiroaki OGAWA, Ryota IMAZAWA, Kunpei NOJIRI, Takanori KIKUCHI, Tomohiro YOKOZUKA, Hidetoshi MURAKAMI, Kosuke SHIMIZU, Tatsuo SUGIE, Kazuhiro TORIMOTO, Moriyoshi INAMINE, Shigehiro KONO and Yoshihiko NUNOYA
Plasma and Fusion Res. 18, 2405014 (2023) <Published on 10 March 2023>

Regular Articles

Investigation of the Magnetic Field Configuration for Magnetic Surface Measurements in the CFQS Quasi-Axisymmetric Stellarator
Mamoru SHOJI, Akihiro SHIMIZU, Shigeyoshi KINOSHITA, Shoichi OKAMURA, Yuhong XU and Haifeng LIU
Plasma and Fusion Res. 18, 2405026 (2023) <Published on 5 April 2023>

Regular Articles

Tritium Concentration in Natural Spring Water Collected at Hirosaki, Japan
Naofumi AKATA, Kazusa OKADA, Haruka KUWATA, Khmruthai KHEAMSIRI, Masahiro HOSODA, Hirofumi TAZOE, Ryo YASUHARA, Shinji SUGIHARA, Ryohei YAMADA and Masahiro TANAKA
Plasma and Fusion Res. 18, 2405030 (2023) <Published on 27 April 2023>

Regular Articles

Heat Transfer Characteristics Evaluation of Multi-Elbow Cooling System for Fusion Divertor under One-Sided Heating
Shinji EBARA, Kenya MITOBE, Yukinori HAMAJI and Hidetoshi HASHIZUME
Plasma and Fusion Res. 18, 2405034 (2023) <Published on 5 June 2023>

Regular Articles

Quaternion Analysis of Transient Phenomena of Motor-Generator
Kazuo NAKAMURA, Yifan ZHANG, Takumi ONCHI, Hiroshi IDEI, Makoto HASEGAWA, Kazutoshi TOKUNAGA, Kazuaki HANADA, Takeshi IDO, Ryuya IKEZOE, Hirotaka CHIKARAISHI, Osamu MITARAI, Shoji KAWASAKI, Aki HIGASHIJIMA, Takahiro NAGATA and Shun SHIMABUKURO
Plasma and Fusion Res. 18, 2405035 (2023) <Published on 23 May 2023>

Regular Articles

Chromatographic Analysis of Molecular Hydrogen (H₂) in the Atmosphere for Understanding Atmospheric Tritiated Hydrogen (HT)
Masahiro TANAKA, Chie IWATA, Miki NAKADA, Saori KURITA and Hideki KAKIUCHI
Plasma and Fusion Res. 18, 2405038 (2023) <Published on 12 May 2023>

Regular Articles

Examination of Efficiency Dependence on Deceleration Voltage in a Traveling Wave Direct Energy Converter Simulator
Hiromasa TAKENO, Kazuhiro SHIBATA, Satoshi NAKAMOTO, Takeru FURUKAWA and Yousuke NAKASHIMA
Plasma and Fusion Res. 18, 2405053 (2023) <Published on 22 June 2023>

Regular Articles

Numerical Investigations on Superconducting Linear Acceleration System by Using Finite Element Method: Influence of Magnet Current on Pellet Velocity
Teruou TAKAYAMA, Ayumu SAITOH, Atsushi KAMITANI and Hiroaki NAKAMURA
Plasma and Fusion Res. 18, 2405055 (2023) <Published on 14 July 2023>

Regular Articles

Change in Critical Surface of Nb₃Sn Wire by Neutron Irradiation
Arata NISHIMURA, Yoshimitsu HISHINUMA, Hidetoshi OGURO and Satoshi AWAJI
Plasma and Fusion Res. 18, 2405063 (2023) <Published on 2 August 2023>

Regular Articles

The Effect of the Grain Size of Divertor's Cooling Pipe on the Capability of High-Frequency Ultrasonic Tests to Evaluate the Quality of the Bond between Divertor's Cooling Pipe and Armor
Mohammadjavad FARIDAFSHIN, Noritaka YUSA, Ryouji SUZUKI, Takashi FURUKAWA, Masayuki TOKITANI and Suguru MASUZAKI
Plasma and Fusion Res. 18, 2405068 (2023) <Published on 10 August 2023>

Regular Articles

Investigation of Intertape Coupling Losses in YBCO-Stacked Cables
Akifumi KAWAGOE, Kohdai YOSHIMO, Yuta MOTOKI, Tetsuhiro OBANA and Makoto TAKAYASU
Plasma and Fusion Res. 18, 2405074 (2023) <Published on 28 August 2023>

Regular Articles

Feasibility Study on Liquid Divertor Using Molten Salt Free Surface Flow with Turbulent Promoters
Takahiro IJIMA, Shota SAKURAI, Fumiya TAKAHASHI, Shinji EBARA and Hidetoshi HASHIZUME
Plasma and Fusion Res. 18, 2405075 (2023) <Published on 28 August 2023>

Regular Articles

Development of a Fast Valve Assisted Mechanical Launcher for Cryogenic Pellets
Jyoti S. MISHRA, Paresh PANCHAL, Samiran MUKHERJEE, Vishal GUPTA, Hemang S. AGRAVAT, Pratikkumar NAYAK and Ranjana GANGRADEY
Plasma and Fusion Res. 18, 2405076 (2023) <Published on 28 August 2023>

Regular Articles

Deformation Induced by Magnetic Field on GaInSn Flow Surface
Ryosuke HIRAKA, Jabir AL SALAMI, Takumi TSUGIKI, Kazuaki HANADA and Changhong HU
Plasma and Fusion Res. 18, 2405083 (2023) <Published on 12 October 2023>