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Upgrade of the Neutral Beam Injection System on EAST
IEEE Transactions on Plasma Science, 2022The experimental advanced superconducting tokamak (EAST) is one of the fully superconducting tokamaks. A high-power neutral beam injector (NBI) system consisting of two injectors (EAST-NBI) was employed on EAST for plasma heating and current driving. The
Y. Xie +11 more
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Optimization-oriented modelling of neutral beam injection for EU pulsed DEMO
Plasma Physics and Controlled Fusion, 2021Neutral beam injection (NBI) is one of the auxiliary power systems considered for the EU DEMO pulsed plasma (‘DEMO1’). In this paper, we discuss the characteristics of optimized NBI in terms of the DEMO1 requirements, relating physics and engineering ...
P. Vincenzi +7 more
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, 2021
The Comprehensive Research fAcility for Fusion Technology (CRAFT) has been launched in China and a negative ion-based neutral beam injection system (NNBI) is an important component of CRAFT.
Jianglong Wei +6 more
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The Comprehensive Research fAcility for Fusion Technology (CRAFT) has been launched in China and a negative ion-based neutral beam injection system (NNBI) is an important component of CRAFT.
Jianglong Wei +6 more
semanticscholar +1 more source
Simulations of the radial electric field induced by neutral beam injection in a tokamak
, 2021A model based on Poisson’s equation has been proposed to study the radial electric field induced by neutral beam injection (NBI). The radial electric field is produced by charge separation of beam induced electrons and beam ions. The charge separation is
Xingyuan Xu +3 more
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Fusion Technology, 1987
The development of the neutral injection (NI) system for the Joint European Torus and its status in 1985 are reported. First the system parameters are discussed and the layout is described, followed by a summary of the physics design calculations, the development, production, and testing of the components and the subsystem assembly.
G. Duesing +8 more
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The development of the neutral injection (NI) system for the Joint European Torus and its status in 1985 are reported. First the system parameters are discussed and the layout is described, followed by a summary of the physics design calculations, the development, production, and testing of the components and the subsystem assembly.
G. Duesing +8 more
openaire +1 more source
Nuclear Fusion, 2020
Ion cyclotron emissions (ICE) driven by high energy ions in the Experimental Advanced Superconducting Tokamak (EAST) are reported. The classic edge emissions driven by energetic neutral beam injection (NBI) deuterium ions at low magnetic field side, near
Lunan Liu +11 more
semanticscholar +1 more source
Ion cyclotron emissions (ICE) driven by high energy ions in the Experimental Advanced Superconducting Tokamak (EAST) are reported. The classic edge emissions driven by energetic neutral beam injection (NBI) deuterium ions at low magnetic field side, near
Lunan Liu +11 more
semanticscholar +1 more source
Beam intensity distributions in neutral beam injection systems
Nuclear Instruments and Methods, 1977Abstract Formulas are derived analytically for beam intensity profiles for focused multi-aperture sources. These formulas are used to estimate beam transmission, beam intensity variation along the beam axis, the effect of beamlet divergence and focusing on intensity distributions, and beam power loading to beamline components in single- and multi ...
Jinchoon Kim, J.H. Whealton
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Injection performance prediction of the upgraded neutral beam on EAST
, 2021The neutral beams(NB) on EAST are being upgraded according to the scheme that the beamline located on Port F will be moved to Port D and adjusted clockwise injection to counterclockwise injection(top view), while the beamline on Port A is unchanged with ...
Ji Wang +9 more
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Plasma Initiation by Neutral Beam Injection
Fusion Science and Technology, 2010A unique and reliable method of plasma initiation has been established in the Large Helical Device (LHD) by using neutral beam (NB) injection into vacuum.
O. Kaneko +6 more
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Review of Scientific Instruments, 2019
A research project of the China Fusion Engineering Test Reactor (CFETR) Negative ion-based Neutral Beam Injection (NNBI) prototype has been started in China.
Jianglong Wei +6 more
semanticscholar +1 more source
A research project of the China Fusion Engineering Test Reactor (CFETR) Negative ion-based Neutral Beam Injection (NNBI) prototype has been started in China.
Jianglong Wei +6 more
semanticscholar +1 more source