Results 61 to 70 of about 18,475 (245)

Improving the stellarator through advances in plasma theory

open access: yesNuclear Fusion, 2021
Improvements to the stellarator concept can be realized through advancements in theoretical and computational plasma physics. Herein, recent advances are reported in the topical areas of: (1) improved energetic ion confinement, (2) the impact of three ...
C. Hegna   +19 more
semanticscholar   +1 more source

Initial design concepts for solid boron injection in ITER

open access: yesNuclear Materials and Energy
As part of ITER’s consideration to change its first wall material from beryllium to tungsten, the ITER Organization has proposed studying the feasibility of real-time solid boron injection (SBI) into the plasma to coat the walls and divertor to ...
J.A. Snipes   +14 more
doaj   +1 more source

Diseño de un Interferómetro Heterodino de Microondas para la Medición de la Densidad Electrónica del Plasma en el SCR-1

open access: yesTecnología en Marcha, 2020
El Stellarator de Costa Rica 1 (SCR-1) es un dispositivo pequeño de confinamiento magnético de tipo stellarator modular que se emplea para la investigación de plasmas de alta temperatura y baja densidad, el primero de América Latina. [1]. El propósito de
Jorge Sanchez Castro, Ivan Vargas
doaj   +1 more source

A comparison of the influence of plasmoid-drift mechanisms on plasma fuelling by cryogenic pellets in ITER and Wendelstein 7-X

open access: yesNuclear Fusion, 2023
Pellet injection is the most promising technique to achieve efficient plasma core fuelling, key for attaining stationary scenarios in large magnetic confinement fusion devices.
N. Panadero   +10 more
doaj   +1 more source

A general stellarator version of the systems code PROCESS

open access: yesNuclear Fusion, 2021
We present modifications of the fusion reactor systems code Process that allow for a description of a general class of stellarator power plants, based on a stellarator coil-set and the respective MHD plasma equilibrium.
J. Lion   +5 more
semanticscholar   +1 more source

A novel scheme for error field correction in permanent magnet stellarators

open access: yesNuclear Fusion, 2023
Stellarators offer a promising path towards fusion reactors, but their design and construction are complicated by stringent tolerance requirements on highly complex 3D coils. A potential way to simplify the engineering requirements for stellarators is to
A. Rutkowski   +4 more
doaj   +1 more source

Spatiotemporal and Wavenumber Resolved Bicoherence at the Low to High Confinement Transition in the TJ-II Stellarator

open access: yes, 2013
Plasma turbulence is studied using Doppler reflectometry at the TJ-II stellarator. By scanning the tilt angle of the probing beam, different values of the perpendicular wave numbers are probed at the reflection layer. In this way, the interaction between
Ascasíbar, E.   +4 more
core   +1 more source

Implications of Innovative Nuclear Technologies on Ghana’s Nuclear Future

open access: yesScience and Technology of Nuclear Installations, Volume 2026, Issue 1, 2026.
Innovations in nuclear technology have the potential to play a transformative role in Ghana’s pursuit of a secure, reliable and low‐carbon energy future. This review examines recent global advances in nuclear reactor technologies, fuel cycle systems, waste management approaches, regulatory practices and digital applications and assesses their relevance
R. G. Abrefah   +4 more
wiley   +1 more source

An Enhanced Evaluation Method of Sequential Probability Ratio Test

open access: yesMathematical Problems in Engineering, Volume 2019, Issue 1, 2019., 2019
Accurate event detection has high priority in many technical applications. Events in acquired data series, their duration, and statistical parameters provide useful information about the observed system and about its current state. This information can be used for condition monitoring, state identification, and many kinds of forecasting as well.
Gabor Gardonyi   +3 more
wiley   +1 more source

Impact of error fields and error field correction on heat fluxes in SPARC

open access: yesNuclear Fusion
Using a single toroidal array of coils to reduce the $m,n = 2,1$ resonant error field (EF) produced by the misalignment of the axisymmetric coils in SPARC can result in the enhancement of the local divertor heat fluxes. Managing high divertor heat fluxes
S. Munaretto   +6 more
doaj   +1 more source

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