Heavy Ion Beam Probe for the Study of Plasma Confinement in Nagoya Bumpy Torus
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概要
- 論文の詳細を見る
The heavy ion beam probing system has been constructed for the study of plasma confinement in Nagoya Bumpy Torus (NBT-1/1M). Not only the plasma space potential but also the electron density multiplied by a function of the electron temperature nf(T_e) can be measured with good spatial resolution. The feedback controlled detection technique and the time resolved fast detection technique are used, depending on the operation mode. The effects of the hot electron beta and the potential on the beam orbit are analyzed. It was confirmed that these effects on the observation points are usually small, and that the hot electron beta can be estimated from the shifts of the primary beam orbits of many cords.
- 社団法人応用物理学会の論文
- 1984-03-20
著者
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Iguchi Harukazu
National Institute For Fusion Science
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Iguchi Harukazu
Institute Of Plasma Physics Nagoya University
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FUJIWARA Masami
Institute of Plasma Physics, Nagoya University
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Ikegami Hideo
National Institute For Fusion Science
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Takasugi Keiichi
Institute of Plasma Physics, Nagoya University
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Ikegami Hideki
Institute of Plasma Physics, Nagoya University
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Fujiwara Masami
Institute Of Plasma Physics Nagoya University
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Takasugi Keiichi
Institute Of Plasma Physics Nagoya University
関連論文
- Development of a Lithium Beam Probe and Measurement of Density Pedestal in JT-60U
- Measurement of Edge Density Profiles and Fluctuations in the H-Mode Discharge of the Compact Helical System (CHS) with a Thermal Neutral Lithium Beam Probe
- Effect of Plasma Current on Magnetohydrodynamic Modes in Neutral Beam Heated Plasmas in Compact Helical System
- Transition of Edge Particle Transport in CHS
- Causal Relationship between Zonal Flow and Turbulence in a Toroidal Plasma(Gases, plasmas, electric discharges, and beams)
- Measurement of Space Potential Fluctuations During MHD Activities in a Toroidal Helical Plasma with a Heavy Ion Beam Probe
- Proposal of a Single Sweep Measurement of a Potential Profile in Tokamak Plasmas by High Voltage Heavy Ion Beam Probes
- Increase of Lifetime of Thallium Zeolite Ion Source for Single-Ended Accelerator
- Symmetrized Magnetic Field Configuration of Low Aspect Ratio Helical System
- Electron Cyclotron Emission from Optically Thin Plasma in Compact Helical System
- Initial Stage of Turbulent Heating of Plasmas
- Conceptional Design of the Vertical Control System in JIPP T-II
- Conceptional Design of the Vertical Field Control System in JIPP T-II
- Finite Temperature Effect on Ray Tracing near the Electron Cyclotron Resonance
- Probe Noise in Quiescent Plasmas
- Space-Resolved Measurement of Electron Density by Neutral Li Beam Probing in NBT
- Measurement of the Magnetic Field in a Plasma Using an Impurity Probe Spectroscopy
- The Hydrogen Balmer-α Line Profile in RF-Discharge Plasmas
- Experimental Studies on the Hot Electron Rings in NBT-1M
- Characteristics of Hot Electron Ring in a Simple Magnetic Mirror Field
- Plasma Confinement in Hybrid Stellarator with l=2 and l=3 Helical Field
- Probe Measurements of Fluctuations Responsible for Turbulent Heating of Plasmas
- Simultaneous Measurements of Plasma Potential and Density Fluctuations in a Bumpy Torus by a Heavy Neutral Beam Probe
- Heavy Ion Beam Probe for the Study of Plasma Confinement in Nagoya Bumpy Torus
- Development of Concentric Equipotential Surfaces in Bumpy Torus Plasma
- Helically Symmetric Equilibrium of Current-Carrying Finite Beta Plasma
- Helically Symmetric Equilibrium of Current-Carrying Finite Beta Plasma
- A Proposal of JIPP Toroidal Experiment for Confinement and Heating of Hot Plasma
- Ohmic Heating Experiment in JIPP-Ib Stellarator Programmed Vertical Field
- Ion Acceleration Independent of the Electric Current Direction in Z-Pinch Plasma
- Influence of Collisions on the Ion-Acoustic Instability in a Weakly Ionized Plasma
- Model Experiment on Quasi-Stationary Vertical Magnetic Field in a Tokamak Type Apparatus
- Heavy Ion Beam Study of Potential Formation in Bumpy Torus Plasma
- Heavy Ion Beam Study of Negative and Positive Potential Formation in Bumpy Torus Plasma
- Applicability of Laser Imaging System Using a Near Infrared Laser to Measure Density Fluctuations in High-Temperature Plasmas
- Development of an Ion Beam Probe System for Potential Measurement in the Low Aspect-Ratio Torus Experiment Device
- Development of an Ion Beam Probe System for Potential Measurement in the Low Aspect-Ratio Torus Experiment Device
- Study of Edge Transport Barrier Formation on CHS Plasma
- Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U
- Energy Transfer and X-Ray Radiation Characteristics of a Gas-Puff Z-Pinch
- Recipe for Fabricating Zeolite Ion Source for Plasma Probing
- First Observation of High Density Edge Transport Barrier Formation during Reheat Mode of Helical Plasma in CHS
- A Simultaneous Spectroscopic Measurement of the Global and Edge Local Structures in the Ion Temperature and Plasma Rotation Profiles in the Compact Helical System
- Beam Probe Imaging of Electron Density in the Chaotic Region of CHS
- Hard X-Ray Radiation from a Z-Pinch with a Divergent Gas-Puff