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RFP-MSR Hybrid Reactor Model for Tritium Breeding and Actinides Transmutation †

Author

Listed:
  • Stefano Murgo

    (Department of Industrial, Electronic and Mechanical Engineering, Università degli studi Roma Tre, 00146 Roma, Italy
    INFN, Sezione di Genova, 16146 Genova, Italy)

  • Chiara Bustreo

    (Consorzio RFX, 35127 Padova, Italy)

  • Marco Ciotti

    (ENEA-Dipartimento FSN, 00044 Frascati, Italy)

  • Guglielmo Lomonaco

    (INFN, Sezione di Genova, 16146 Genova, Italy
    GeNERG, DIME, Università di Genova, 16145 Genova, Italy)

  • Francesco Paolo Orsitto

    (ENEA-Dipartimento FSN, 00044 Frascati, Italy)

  • Roberto Piovan

    (Consorzio RFX, 35127 Padova, Italy
    CNR-ISTP, 20125 Padova, Italy)

  • Nicola Pompeo

    (Department of Industrial, Electronic and Mechanical Engineering, Università degli studi Roma Tre, 00146 Roma, Italy)

  • Giovanni Ricco

    (INFN, Sezione di Genova, 16146 Genova, Italy
    Deceased.)

  • Marco Ripani

    (INFN, Sezione di Genova, 16146 Genova, Italy)

  • Fabio Panza

    (INFN, Sezione di Genova, 16146 Genova, Italy
    ENEA-Dipartimento FSN, 00044 Frascati, Italy)

Abstract

The studies on the development of fusion–fission hybrid reactors (FFHR) have gained consensus in recent years as an intermediate step before fusion energy. This work proposes a possible approach to FFHRs based on the coupling of a Reversed Field Pinch fusion machine and a Molten Salt Subcritical fission test bed. The proposed test bed is characterized by the coexistence of a fast-neutron fission core and a dedicated thermal-neutron zone, allowing the performing of tritium breeding and actinides transmutation studies. The neutronic design solutions and the results obtained by the irradiation of FLiBe salt (inside the thermal-neutron zone) and of an actinide target (inside the core) are shown. The outcomes of the analysis reveal the potential of FFHR systems as breeding/burner systems. In particular, the results regarding tritium breeding are very encouraging as the system is demonstrated to be able to reach a very high Tritium Breeding Ratio.

Suggested Citation

  • Stefano Murgo & Chiara Bustreo & Marco Ciotti & Guglielmo Lomonaco & Francesco Paolo Orsitto & Roberto Piovan & Nicola Pompeo & Giovanni Ricco & Marco Ripani & Fabio Panza, 2024. "RFP-MSR Hybrid Reactor Model for Tritium Breeding and Actinides Transmutation †," Energies, MDPI, vol. 17(12), pages 1-12, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:12:p:2934-:d:1415058
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