研究成果 - 登田　慎一郎

Improved prediction scheme for ion heat turbulent transport

Physics of Plasmas    2022年10月

DOI

Prediction of temperature profiles in helical plasmas by integrated code coupled with gyrokinetic transport models

Plasma Physics and Controlled Fusion    2022年08月01日

DOI

Reduced models of turbulent transport in helical plasmas including effects of zonal flows and trapped electrons

Journal of Plasma Physics    2020年06月

DOI

Gyrokinetic simulations for turbulent transport of multi-ion-species plasmas in helical systems

Physics of Plasmas    2020年05月

DOI

Modeling of turbulent particle and heat transport in helical plasmas based on gyrokinetic analysis

Physics of Plasmas    2019年

Simulation studies on temperature profile stiffness in ITG turbulent transport of helical plasmas for flux-matching technique

Physics of Plasmas    2018年

Theory and simulation studies of stationary and dynamical phenomena with transition in helical plasmas

AIP Conference Proceedings    2018年

A Reduced Transport Model for Ion Heat Diffusivity by Gyro-Kinetic Analysis with Kinetic Electrons in Helical Plasmas

Plasma and Fusion Research    2017年

Extension of the operational regime of the LHD towards a deuterium experiment

Nuclear Fusion    2017年

Impacts of External Momentum Torque on Impurity Particle Transport in LHD

Plasma and Fusion Research    2017年

Microinstabilities in hydrogen-and helium-dominated multi-ion-species plasmas in LHD

Plasma Physics and Controlled Fusion    2017年

Multiple-instabilities in magnetized plasmas with density gradient and velocity shears

Plasma and Fusion Research    2017年

Reduced models for electron and ion heat diffusivities by gyro-kinetic simulation with kinetic electrons in helical plasmas

APS Meeting Abstracts    2017年

Topological bifurcation of helical flows in magnetized plasmas with density gradient and parallel flow shear

Physics of Plasmas    2017年

Construction of reduced transport model by gyro-kinetic simulation with kinetic electrons in helical plasmas

APS Meeting Abstracts    2016年

Simulation researches in fusion plasmas. Transport simulation of core plasmas

Purazuma, Kaku Yugo Gakkai-Shi    2016年

How to apply a turbulent transport model based on a gyrokinetic simulation for helical plasmas

APS Meeting Abstracts    2014年

How to apply a turbulent transport model based on a gyrokinetic simulation for the ion temperature gradient mode in helical plasmas

Journal of Physics: Conference Series    2014年

Dual Maxwell construction and transport barrier of helical plasmas

Journal of the Physical Society of Japan    2012年

Influence of resonant magnetic perturbation on a rotating helical plasma

Plasma Physics and Controlled Fusion    2012年

Nonlinear stability of magnetic islands in a rotating helical plasma

Physics of Plasmas    2012年

Stability of externally driven magnetic islands in a helical plasma

Plasma and Fusion Research    2012年

Transport analysis of oscillatory state for plasma dynamics in helical plasmas

2012年

Simulation of heat transport in LHD plasmas using the integrated code: TASK3D

APS Meeting Abstracts    2011年

Study of electric field pulsation in helical plasmas

Plasma Physics and Controlled Fusion    2011年

Activities on Integrated Simulations in LHD

Fusion Science and Technology    2010年

Development of Numerical Scheme for Analysis of the MHD Stability Beta Limit in LHD by TASK3D

2010年

Forced magnetic reconnection in helical plasmas

Plasma and Fusion Research    2010年

Integrated transport simulation of LHD plasmas using TASK3D

2010年

Microinstabilities, Turbulent Transport, and Structure Formation in Helical Plasmas

Fusion Science and Technology    2010年

On the Onset of Collapse Events in Toroidal Plasmas Turbulence Trigger

Relaxation Dynamics in Laboratory and Astrophysical Plasmas    2010年

Simulation Study of the MHD Stability Beta Limit in LHD by TASK3D

Contributions to Plasma Physics    2010年

Steady-state operation scenario and the first experimental result on QUEST

Plasma and fusion research    2010年

Study of the effect of the helical ripple transport on the confinement via zonal flows in helical plasmas

Plasma and Fusion Research    2010年

Theoretical modeling of transport barriers in helical plasmas

Plasma and Fusion Research    2010年

Theoretical transport analysis of density limit with radial electric field in helical plasmas

2010年

Analysis of density limit with radial profile of electric field in helical plasmas

2009年

Development of net-current free heliotron plasmas in the Large Helical Device

Nuclear Fusion    2009年

Effect of the helical ripple on the confinement via zonal flows in helical plasmas

APS Meeting Abstracts    2009年

Extension of improved particle and energy confinement regime in the core of LHD plasma

Plasma and Fusion Research    2009年

Development of a hierarchy-integrated simulation code for toroidal helical plasmas, TASK3D

Plasma and Fusion Research    2008年

Implementation of NBI heating module FIT3D to hierarchy-integrated simulation code TASK3D

Proc. 18th Int. Toki Conf    2008年

Module Structure of Hierarchy-integrated Simulation Code for Toroidal Helical Plasmas, TASK3D

2008年

Nonlinear competition between zonal flows and geodesic acoustic modes

Annual Report of National Institute for Fusion Science    2008年

Plasma Fusion Res. 3

S1063    2008年

Study of MHD stability beta limit in LHD by hierarchy integrated simulation code

2008年

Study of MHD stability beta limit in LHD by hierarchy integrated simulation code

Research Report NIFS-Series    2008年

This special issue of Plasma Fusion Research (PFR) contains the invited and contributed papers submitted to PFR Regular Article as an extended version of the conference proceeding. All papers have been assessed according to the standards of the PFR journal and examined by referees selected from PFR guest editors. The guest editors for this special issue were as follows

Plasma and Fusion Research    2008年

Physics of internal transport barrier of toroidal helical plasmas

Physics of plasmas    2007年

Transport analysis of the effect of zonal flows on electron internal transport barriers in toroidal helical plasmas

Nuclear Fusion    2007年

Turbulent transport of poloidal momentum in toroidal plasmas

Journal of the Physical Society of Japan    2007年

Physics of electron internal transport barrier in toroidal helical plasmas

Research Report NIFS-Series    2006年

Selection of a radial wavelength of zonal flows

Journal of the Physical Society of Japan    2006年

Coherent structure of zonal flow and onset of turbulent transport

Physics of plasmas    2005年

Plasma Phys. Control. Fusion Plasma Phys. Control. Fusion 44, 325, 2002

Journal of the Physical Society of Japan    2005年

Plasma Turbulence Plasma Turbulence, 1965

Journal of the Physical Society of Japan    2005年

Test of the theoretical model for the improved confinement in helical plasmas

Journal of the Physical Society of Japan    2005年

Transport Studies of Electric Field in Helical Plasmas

APS Meeting Abstracts    2005年

13th Int. Toki Conf., 2003, Toki 13th Int. Toki Conf., 2003, Toki, 2003

Journal of the Physical Society of Japan    2004年

19th IAEA Conf. Fusion Energy, Lyon, 2002 19th IAEA Conf. Fusion Energy, Lyon, 2002, 2002

Journal of the Physical Society of Japan    2004年

Coherent structure of zonal flow and nonlinear saturation

Journal of the Physical Society of Japan    2004年

Collisional effects on coherent structures of zonal flows and turbulent transport

Plasma physics and controlled fusion    2004年

Plasma Phys. Control. Fusion Plasma Phys. Control. Fusion 46, R25, 2004

Journal of the Physical Society of Japan    2004年

Statistical theory for transition and sustainment of the improved confinement state

Plasma physics and controlled fusion    2004年

Transport analysis of radial electric field in helical plasmas

Annual Report of National Institute for Fusion Science    2004年

submitted to Plasma Phys

Control. Fusion    2004年

Analysis of Temporal Evolution and Spatial Structure of Radial Electric Field in Helical Plasmas

APS Meeting Abstracts    2003年

Contributed Paper

Journal of Plasma and Fusion Research    2003年

Statistical theory for transition and long-time sustainment of improved confinement state

2003年

Statistical theory of L--H transition in tokamaks

Plasma physics and controlled fusion    2003年

Statistical theory of LH transition and its implication to threshold database

2003年

Modelling of electron root plasmas in helical devices

Plasma physics and controlled fusion    2002年

Phase diagram of structure of radial electric field in helical plasmas

2002年

Probability of Statistical L--H Transition in Tokamaks

Physical review letters    2002年

Probability of Statistical [Formula presented] Transition in Tokamaks

Physical Review Letters    2002年

Theoretical analysis of structure of radial electric field in helical toroidal plasmas

Journal of Plasma and Fusion Research    2002年

Theoretical study of the structure of the electric field in helical toroidal plasmas by the use of an anomalous transport model

Plasma physics and controlled fusion    2002年

プラズマ・核融合学会誌= Journal of plasma and fusion research 78 (9), 949-967, 2002-09-25

プラズマ・核融合学会誌    2002年

10th Int. Toki Conf. 10th Int. Toki Conf., II-45, 2000

Journal of the Physical Society of Japan    2001年

26th European Physical Society Conf. Controlled Fusion and Plasma Physics 26th European Physical Society Conf. Controlled Fusion and Plasma Physics, 1999

Journal of the Physical Society of Japan    2001年

Analysis of structure and transition of radial electric field in helical systems

Plasma physics and controlled fusion    2001年

Electric field domain interface in helical systems

Potential and structure in plasmas: ITC-11 Proceedings    2001年

Frontier of Physics in Fusion-Relevant Plasmas Frontier of Physics in Fusion-Relevant Plasmas 199, 1998

Journal of the Physical Society of Japan    2001年

Fusion Energy 1996 Fusion Energy 1996 2, 119

Journal of the Physical Society of Japan    2001年

RESEARCH REPORT NIFS Series

Meeting on H-Mode Physics and Transport Barriers    2001年

Theoretical analysis about radial electric field in toroidal helical systems

Potential and structure in plasmas: ITC-11 Proceedings    2001年

Theoretical study of the structure of the electric field in helical toroidal plasmas

Czechoslovak Journal of Physics    2001年

Transition of radial electric field in helical systems

Journal of the Physical Society of Japan    2001年

プラズマ・核融合学会誌= Journal of plasma and fusion research 83 (5), 509-514, 2007-05-25

Nucl. Fusion    2001年

A Theory of Lead-Time in Probabilistic Excitation of L/H Transition

Annual Report of National Institute for Fusion Science    2000年

J. Plasma Fusion research Suppl. J. Plasma Fusion research Suppl. 74, 282, 1998

Journal of the Physical Society of Japan    2000年

Physics lssues in Long Pulse Plasma Confinement

Physics and technology for steady state plasmas    2000年

Possibility of electric field bifurcation and internal transport barrier formation in LHD plasma

Journal of the Physical Society of Japan    2000年

Spatial structure of compound dither in L/H transition

Research report NIFS series/National institute for fusion science (Nagoya)    2000年

Theoretical analysis of transport barriers in helical systems

Annual Report of National Institute for Fusion Science    2000年

Theory of dynamics in long pulse helical plasmas

Research Report NIFS-Series    2000年

Fast responses in LH transitions

Nuclear Fusion    1999年

Probabilistic nature in L/H transition

Journal of the Physical Society of Japan    1999年

Physics of collapses: probabilistic occurrence of ELMs and crashes

Plasma physics and controlled fusion    1998年

Probabilistic excitation of plasma transitions

Journal of the Physical Society of Japan    1998年

A theoretical model of H-mode transition triggered by condensed neutrals near X-point

Plasma physics and controlled fusion    1997年

A change of H-mode dynamics due to edge electric field shear

Journal of the Physical Society of Japan    1996年

Double hysteresis in L/H transition and compound dithers

Plasma Physics and Controlled Fusion    1996年

Proc. 22nd. European Conf. Controlled Fusion and Plasma Physics, Bournemouth, 1995 Proc. 22nd. European Conf. Controlled Fusion and Plasma Physics, Bournemouth, 1995 205, 1995

Journal of the Physical Society of Japan    1996年