Results 1 to 10 of about 3,463,479 (362)

Tritium burn efficiency in deuterium–tritium magnetic fusion [PDF]

open access: diamondNuclear Fusion, 2023
The controlling parameters regarding tritium burn efficiency (TBE) are derived from first principles and shown to depend fundamentally on the permitted He gas fraction in the divertor and effective pumping speeds of He ash and unburned hydrogenic fuel ...
D.G. Whyte   +3 more
openalex   +2 more sources

Multimodal Fusion Convolutional Neural Network With Cross-Attention Mechanism for Internal Defect Detection of Magnetic Tile

open access: goldIEEE Access, 2022
The internal defect detection of magnetic tile is extremely significant before mounting. Currently, this task is completely realized by manual operation in the magnetic tile manufacturing industry, which results in inefficiency and diseconomy.
Houhong Lu   +4 more
openalex   +2 more sources

Electron cyclotron heating assisted start-up experiments in J-TEXT [PDF]

open access: yesEPJ Web of Conferences, 2023
Electron cyclotron heating (ECH) breakdown and burn-through assist has been adopted to make the ITER start-up, which uses a low toroidal electric field of about 0.3 V/m, more robust.
Zhang Junli   +14 more
doaj   +1 more source

The development of 1 MW ECRH system on J-TEXT [PDF]

open access: yesEPJ Web of Conferences, 2023
A 1 MW electron cyclotron resonance heating system has been designed and developed for J-TEXT tokamak not only to enhance the total heating power but also to provide another possible way to control the plasma parameters.
Chen Xixuan   +4 more
doaj   +1 more source

Essay: Overcoming the Obstacles to a Magnetic Fusion Power Plant.

open access: yesPhysical Review Letters, 2023
Fusion occurs when light nuclei combine to form heavier nuclei. The energy released in this process powers the stars and can provide humankind with a safe, sustainable, and clean source of baseload electricity, a valuable tool in the fight against ...
A. Fasoli
semanticscholar   +1 more source

Plasma-wall self-organization in magnetic fusion

open access: yesNuclear Fusion, 2021
This paper introduces the concept of plasma-wall self-organization (PWSO) in magnetic fusion. The basic idea is the existence of a time delay in the feedback loop relating radiation and impurity production on divertor plates.
D. Escande, F. Sattin, P. Zanca
semanticscholar   +1 more source

Infrared detection of tungsten cracking on actively cooled ITER-like component during high power experiment in WEST

open access: yesNuclear Materials and Energy, 2023
The consequences of tungsten (W) damaging processes, such as cracking and melting, on divertor lifetime and plasma operation are high priority issues for ITER.
Q. Tichit   +16 more
doaj   +1 more source

Magnetically catalyzed fusion [PDF]

open access: yesPhysical Review C, 1996
We calculate the reaction cross-sections for the fusion of hydrogen and deuterium in strong magnetic fields as are believed to exist in the atmospheres of neutron stars. We find that in the presence of a strong magnetic field ($B \gsim 10^{12}$G), the reaction rates are many orders of magnitude higher than in the unmagnetized case.
Heyl, Jeremy S., Hernquist, Lars
openaire   +3 more sources

Testing of ITER-grade plasma facing units in the WEST tokamak: Progress in understanding heat loading and damage mechanisms

open access: yesNuclear Materials and Energy, 2023
Assessing the performance of the ITER design for the tungsten (W) divertor Plasma Facing Units (PFUs) in a tokamak environment is a high priority issue to ensure efficient plasma operation.
Y. Corre   +22 more
doaj   +1 more source

Very high-resolution infrared imagery of misaligned tungsten monoblock edge heating in the WEST tokamak

open access: yesNuclear Materials and Energy, 2021
Fourteen ITER-like plasma-facing units (PFUs) made of bulk tungsten were installed in the WEST tokamak divertor. Five of which were misaligned with their poloidal leading edges (LEs) exposed to the plasma heat flux: two sharp-edge PFUs and three ...
A. Grosjean   +18 more
doaj   +1 more source

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