Results 101 to 110 of about 116,100 (253)

Numerical Studies and Simulation of the Lower Hybrid Waves Current Drive by using Fokker – Planck Equation in NSST and HT-7 Tokamaks [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2014
Recent experiments on the spherical tokamak have discovered the conditions to create a powerful plasma and ensure easy shaping and amplification of stability, high bootstrap current and confinement energy.
A.A. Molavi Choobini
doaj  

Fast and Invertible Simplicial Approximation of Magnetic‐Following Interpolation for Visualizing Fusion Plasma Simulation Data

open access: yesComputer Graphics Forum, Volume 44, Issue 3, June 2025.
Abstract We introduce a fast and invertible approximation for fusion plasma simulation data represented as 2D planar meshes with connectivities approximating magnetic field lines along the toroidal dimension in deformed 3D toroidal spaces. Scientific variables (e.g., density and temperature) in these fusion data are interpolated following a complex ...
Congrong Ren   +6 more
wiley   +1 more source

Advancements in Tokamak Technology for Fusion Energy: A Bibliometric and Patent Trend Analysis (2014–2024)

open access: yesEnergies
Tokamak technology, as the cornerstone of nuclear fusion energy, holds immense potential in achieving efficient plasma confinement and high energy densities.
Horng Jinh Chang, Shih Wei Wang
doaj   +1 more source

Experimental investigation of the radial structure of energetic particle driven modes

open access: yes, 2016
Alfv\'en eigenmodes (AEs) and energetic particle modes (EPMs) are often excited by energetic particles (EPs) in tokamak plasmas. One of the main open questions concerning EP driven instabilities is the non-linear evolution of the mode structure.
Geiger, B.   +10 more
core   +1 more source

Helium removal from tokamaks

open access: yesPlasma Physics and Controlled Fusion, 1991
Helium, as the ash of burning D-T plasma, is an unavoidable impurity component necessarily present already in near future tokamak experiments with significant alpha particle heating. Its efficient removal from the burning zone of a D-T fusion reactor plays a key role in the path towards achievement of economic fusion power production. A survey is given
Schneider, R.   +5 more
openaire   +3 more sources

Disruption prediction with artificial intelligence techniques in tokamak plasmas

open access: yesNature Physics, 2022
J. Vega   +499 more
semanticscholar   +1 more source

Status of the COMPASS tokamak and characterization of the first H-mode

open access: yes, 2015
This paper summarizes the status of the COMPASS tokamak, its comprehensive diagnostic equipment and plasma scenarios as a baseline for the future studies. The former COMPASS-D tokamak was in operation at UKAEA Culham, UK in 1992–2002.
R. Pánek   +38 more
semanticscholar   +1 more source

Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak

open access: yes, 2018
Evolution of electron temperature, electron density and its fluctuation with high spatial and temporal resolutions are presented for the cold pulse propagation induced by super-sonic molecular beam injection (SMBI) in ohmic plasmas in the EAST tokamak ...
Cao, Bin   +11 more
core   +1 more source

Structure of chaotic magnetic field lines in IR-T1 tokamak due to ergodic magnetic limiter

open access: yesAIP Advances, 2018
In this paper we have studied an Ergodic Magnetic Limiter (EML) based chaotic magnetic field for transport control in the edge plasma of IR-T1 tokamak. The resonance created by the EML causes perturbation of the equilibrium field line in tokamak and as a
S. Ahmadi   +2 more
doaj   +1 more source

Study of an improved single neuron PID control algorithm in the Tokamak plasma density control system

open access: yesMeasurement + Control
Tokamak is an important device for controlled nuclear fusion research. The plasma electronic density control system (PEDCS) is an important system for controlling the Tokamak discharge process, which should be of high stability, rapidity, and accuracy ...
Shuangbao Shu   +5 more
doaj   +1 more source

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