根本 雄介 (ネモト ユウスケ)

真空アークにおける陰極からの電子放出を考慮した陰極シースの数値解析手法の開発
髙木 真宏,鈴木 裕斗,鈴木 祐揮,根本 雄介,岩尾 徹,中島 達人
電気学会論文誌． Ａ 144(7) 272-279 2024年07月 It has been required to develop simulation of vacuum arcs as a tool to aid electrode design in vacuu... [査読有り]

開極タイミング変化時におけるアーク温度の解析
Yuki Suzuki,Wataru Fuse,Honoka Morishita,Masahiro Takagi,Zhenwei Ren,Yusuke Nemoto,Toru Iwao
IEEJ Transactions on Fundamentals and Materials 143(4) 129-135 2023年04月 The gas circuit breakers have the problem of re-ignition after current zero. The instantaneous volta... [査読有り]

Three-dimensional Electromagnetic Thermal Fluid Simulation of Cathode Jet Contributing to Motion of Cathode Spots in Vacuum Arc
M. Takagi,H. Suzuki,H. Morishita,Y. Suzuki,Y. Nemoto,Z. Ren,T. Iwao
Proceedings - International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV 2023-June 207-210 2023年 Vacuum arcs have been applied to circuit breakers, metal processing and other applications. However,... [査読有り]

Contribution of Non-equilibrium around Vacuum Arc Cathode Spot to Retro grade Motion in Application of Transverse Magnetic Field
Nozomi Ishihara,Hiroto Suzuki,Kenshin Saigo,Susumu Ichinose,Masahiro Takagi,Honoka Morishita,Yuki Suzuki,Zhenwei Ren,Yusuke Nemoto,Toru Iwao
Proceedings - International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV 2023-June 189-192 2023年 The oxide layer removal method using the vacuum arc has been proposed as one of surface treatment te... [査読有り]

Analysis of Electron and Heavy Particle Velocities as Function of Ambient Pressure Changes in Vacuum Arc
H. Suzuki,M. Takagi,N. Ishihara,H. Morishita,Y. Suzuki,Y. Nemoto,Z. Ren,T. Iwao
Proceedings - International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV 2023-June 280-283 2023年 Vacuum arc cathode spot is used in industrial applications such as oxide film removing. Oxide film p... [査読有り]

Differentiation of Numerical Simulation Result of Direct Current Circuit Breaker Interruption Process Using Artificial Intelligence
Zhenwei Ren,Yusuke Nemoto,Yuki Suzuki,Masahiro Takagi,Honoka Morishita,Reggie Cobarrubia Gustilo,Toru Iwao
IEEJ Transactions on Electrical and Electronic Engineering 18(1) 147-149 2022年09月 For realizing the widespread application of fast charging of electric vehicles, a direct current cir... [査読有り]

Development of calculation method for melting amount mass of contact wire caused by melting and evaporation of molten metal bridge and arc generation
Honoka Morishita,Yoshifumi Maeda,Zhenwei Ren,Yusuke Nemoto,Takamasa Hayasaka,Toru Iwao
ELECTRICAL ENGINEERING IN JAPAN 215(3) 2022年09月 As the mileage of the electric railway increases, the unevenness of the contact wire may separate th... [査読有り]

Development of Calculation Method for Melting Amount Mass of Contact Wire Caused by Melting and Evaporation of Molten Metal Bridge and Arc Generation
Honoka Morishita,Yoshifumi Maeda,Zhenwei Ren,Yusuke Nemoto,Takamasa Hayasaka,Toru Iwao
IEEJ Transactions on Industry Applications 142(5) 410-417 2022年05月 As the mileage of the electric railway increases, the unevenness of the contact wire may separate th... [査読有り]

Analysis of Arc Electron and Heavy Particle Temperature Distribution with Lateral Flow Velocity for Elucidation of Re-strike
Yusuke Nemoto,Yuki Suzuki,Zhenwei Ren,Yoshifumi Maeda,Toru Iwao
IEEJ Transactions on Power and Energy 142(4) 228-234 2022年04月 Arcs are used in a wide range of fields such as welding, circuit breakers, and waste treatment. It i... [査読有り]

Analyzing cathode and anode spot movements of atmospheric arc plasma in parallel electrodes using thermal field theory and thermal nonequilibrium model
Ren, Z.,Nemoto, Y.,Maeda, Y.,Yamamoto, S.,Asanuma, G.,Onchi, T.,Iwao, T.
IEEJ Transactions on Electrical and Electronic Engineering 17(6) 934-944 2022年 It is necessary to elucidate the mechanism of atmospheric arc plasma movement and the variation in i... [査読有り]

Numerical simulation of external magnetic field effect on arc plasma after molten metal bridge breaking under different electrode opening velocities
Ren, Z.,Nemoto, Y.,Suzuki, Y.,Takagi, M.,Morishita, H.,Iwao, T.
AIP Advances 12(3) 035239-035239 2022年 In this study, a three-dimensional electromagnetic thermal fluid simulation program was developed to... [査読有り]

Numerical Simulation for Analyzing Re-strike Phenomenon of Arc Plasma Considering Application of Recovery Voltage at Direct Current Circuit Breaker
Ren, Z.,Nemoto, Y.,Suzuki, Y.,Iwao, T.
IEEJ Transactions on Electrical and Electronic Engineering 17(4) 611-613 2022年 To simulate the arc plasma movement and its physical properties during the interruption process of a... [査読有り]

Analysis of Adverse Influence of Metal Vapor to Arc Movement Between Electrodes with External Magnetic Field Applied by Numerical Simulation
Ren, Z.,Nemoto, Y.,Suzuki, Y.,Yamamoto, S.,Asanuma, G.,Onchi, T.,Iwao, T.
IEEJ Transactions on Electrical and Electronic Engineering 17(2) 183-193 2022年 The demand and sustainable development goals for electric vehicles (EVs) have been increasing. A qui... [査読有り]

Cathode Spot Velocity of Atmospheric Arc Plasma after Arc Ignition Affected by Self and External Electromagnetic Force between Parallel Electrodes Using 3D Numerical Simulation
Ren, Z.,Nemoto, Y.,Maeda, Y.,Yamamoto, S.,Asanuma, G.,Onchi, T.,Iwao, T.
IEEJ Transactions on Electrical and Electronic Engineering 16(12) 1656-1663 2021年 For visually and quantitatively elucidating the contribution of self and external electromagnetic fo... [査読有り]

Analysis of electron and heavy particle velocity distribution under consideration of non-thermal equilibrium arc,熱的非平衡を考慮したアークの電子と重粒子の流速分布の解析
Nemoto, Y.,Iwata, S.,Maeda, Y.,Iwao, T.
IEEJ Transactions on Power and Energy 139(9) 562-567 2019年 The circuit breaker is required to interrupt the current in order to prevent the spreading fault cur... [査読有り]

Arc temperature measurement with microsecond spectroscopic measurement
Kano, R.,Nemoto, Y.,Maeda, Y.,Yamamoto, S.,Iwao, T.
Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi) 210(1-4) 29-36 2019年 The quality of electric power caused by frequency fluctuation and voltage rise will be degraded beca... [査読有り]

Analysis of electron and heavy particle velocity distribution under consideration of nonthermal equilibrium arc
Yusuke Nemoto,Soshi Iwata,Yoshifumi Maeda,Toru Iwao
Electronics and Communications in Japan 102(11) 9-15 2019年 The circuit breaker is required to interrupt the current in order to prevent the spreading fault cur... [査読有り]

Arc temperature measurement with microsecond spectroscopic measurement
Kano, R.,Nemoto, Y.,Maeda, Y.,Yamamoto, S.,Iwao, T.
IEEJ Transactions on Power and Energy 139(10) 629-635 2019年 The quality of electric power caused by frequency fluctuation and voltage rise will be degraded beca... [査読有り]