A Neutron Source Based on Spherical Tokamak

A Neutron Source Based on Spherical Tokamak

The paper presents a conceptual study of a neutron source based on a spherical tokamak (ST). The plasma scenario chosen for the ST is non-thermal fusion (hot ion mode), which is extensively used on machines like JET and TFTR deuterium–tritium (DT) experiments, which seems suited for low fusion gain...

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Bibliographic Details
Main Authors: Francesco P. Orsitto, Nunzio Burgio, Marco Ciotti, Guglielmo Lomonaco, Fabio Panza, Alfonso Santagata
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Energies
Subjects:
fusion reactors
spherical tokamak
non-thermal plasmas
neutron production
Online Access:https://www.mdpi.com/1996-1073/18/8/2029
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Summary:The paper presents a conceptual study of a neutron source based on a spherical tokamak (ST). The plasma scenario chosen for the ST is non-thermal fusion (hot ion mode), which is extensively used on machines like JET and TFTR deuterium–tritium (DT) experiments, which seems suited for low fusion gain reactors. As demonstrated in experiments, this scenario is a robust tool for neutron production. Starting from a new scaling law of energy confinement tested, approximately, on ST40 spherical tokamak, the parameters of a 15 MW ST DT fusion reactor (ST180) are derived, and a preliminary radial build of the machine is established.
ISSN:1996-1073

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