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A Neutron Source Based on Spherical Tokamak

Author

Listed:
  • Francesco P. Orsitto

    (ENEA Nuclear Department, C.R. Frascati, via E Fermi 45, 00044 Frascati, Italy)

  • Nunzio Burgio

    (ENEA Nuclear Department, C.R. Casaccia, via Anguillarese 301, S. Maria di Galeria, 00123 Roma, Italy)

  • Marco Ciotti

    (ENEA Nuclear Department, C.R. Frascati, via E Fermi 45, 00044 Frascati, Italy)

  • Guglielmo Lomonaco

    (GeNERG, Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti, Università di Genova, 16145 Genova, Italy
    INFN Sezione di Genova, via Dodecaneso 33, 16146 Genova, Italy)

  • Fabio Panza

    (ENEA Nuclear Department, C.R. Frascati, via E Fermi 45, 00044 Frascati, Italy
    INFN Sezione di Genova, via Dodecaneso 33, 16146 Genova, Italy)

  • Alfonso Santagata

    (ENEA Nuclear Department, C.R. Casaccia, via Anguillarese 301, S. Maria di Galeria, 00123 Roma, Italy)

Abstract

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.

Suggested Citation

  • Francesco P. Orsitto & Nunzio Burgio & Marco Ciotti & Guglielmo Lomonaco & Fabio Panza & Alfonso Santagata, 2025. "A Neutron Source Based on Spherical Tokamak," Energies, MDPI, vol. 18(8), pages 1-11, April.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:8:p:2029-:d:1635455
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