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Advanced Technologies in Nuclear Engineering
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Advanced Technologies in Nuclear Engineering

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B4: Nuclear Energy".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1524

Special Issue Editors

Prof. Dr. Guglielmo Lomonaco

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Guest Editor
Department of Mechanical, Energy, Management and Transport Engineering (DIME), University of Genoa, Via all'Opera Pia, 15A, 16145 Genova, GE, Italy
Interests: nuclear energy; nuclear technology; innovative nuclear fuel cycles; neutronics; CFD; advanced nuclear systems; energy scenarios; nuclear hydrogen production; HTR; LFR; GFR; ADS; SMR; nuclear space reactors
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Álvaro Rodríguez-Prieto

E-Mail Website
Guest Editor
Department of Manufacturing Engineering, Universidad Nacional de Educación a Distancia, Juan del Rosal 12, E28040 Madrid, Spain
Interests: materials processing technologies; metal forming; additive manufacturing; materials technology; data-driven decision methodologies; materials selection in manufacturing; equipment reliability; failure prognosis; nuclear power applications; renewable energy applications; oil & gas applications; aerospace applications;industrial heritage
Special Issues, Collections and Topics in MDPI journals
Dr. Fabio Panza

E-Mail Website
Guest Editor
Department of Fusion and Nuclear Safety Technology, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), 00123 Rome, Italy
Interests: neutronics (for fission and fusion); diagnostics and fusion fission hybrid systems; Neutronics and nuclear inventory codes; nuclear measurements; nuclear transmutation and tritium breeding

Special Issue Information

Dear Colleagues,

Advanced Technologies in Nuclear Engineering have revolutionized the field of nuclear power generation and have greatly contributed to the advancements in energy production, safety, and waste management. Through continuous research and development, scientists and engineers have been able to harness the power of nuclear energy in a more efficient, sustainable, and secure manner.

Furthermore, advanced nuclear technologies have contributed to the optimization of nuclear fuel cycles. For example, the development of advanced fuel materials, such as mixed oxide (MOX) and metallic fuels, has improved fuel performance and increased the overall efficiency of nuclear reactors. Additionally, advancements in reprocessing techniques, such as pyroprocessing and advanced solvent extraction methods, have facilitated the recycling of spent nuclear fuel, reducing the volume of high-level waste and maximizing the utilization of valuable resources.

This Special Issue aims to address the role of nuclear energy in a future net-zero electricity market that may feature a high presence of renewables and other variable sources and inexpensive peaking capacity. It will cover nuclear power plant design and operation, as well as related technologies. It will provide a forum to discuss and present recent research results, technologies, and best practices on nuclear power plants and their most relevant equipment and components for both fission and fusion technologies, as well as consider their future developments. Papers can include small modular reactor designs, technologies, and operations. Research results on advanced and innovative nuclear fuel cycles will also be included. This Special Issue will also give particular attention to fusion–fission hybrid reactor technologies because these systems could represent an interesting synthesis between nuclear technologies.

Finally, this Special Issue will also bridge research with educational programs, as well as engineering practices, in all disciplines related to nuclear technology.

Prof. Dr. Guglielmo Lomonaco
Prof. Dr. Álvaro Rodríguez-Prieto
Dr. Fabio Panza
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • advanced nuclear systems (including space nuclear reactors)
  • nuclear fuel cycles
  • nuclear fusion and fission technologies (including fusion-fission hybrid reactors)
  • nuclear power plants (including SMR) design and operation
  • nuclear power plants economics
  • nuclear power plants integration with the grid
  • nuclear reactor engineering
  • nuclear reactor physics
  • nuclear safety and security
  • radiation detection and protection systems
  • sustainability of nuclear energy systems

Published Papers (2 papers)

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Research

14 pages, 5194 KiB  
Article
Development of a MELCOR Model for LVR-15 Severe Accidents Assessment
by Alain Flores y Flores, Guido Mazzini and Antonio Dambrosio
Energies 2024, 17(14), 3384; https://doi.org/10.3390/en17143384 - 10 Jul 2024
Viewed by 279
Abstract
LVR-15 is a light-water-tank-type research reactor placed in a stainless-steel vessel under a shielding cover located in the Research Centre Rez (CVR) near Prague. It is operated at a steady-state power of up to 10 MWt under atmospheric pressure and is cooled by [...] Read more.
LVR-15 is a light-water-tank-type research reactor placed in a stainless-steel vessel under a shielding cover located in the Research Centre Rez (CVR) near Prague. It is operated at a steady-state power of up to 10 MWt under atmospheric pressure and is cooled by forced circulation. In 2011, the fuel was replaced, going from high-enriched uranium (HEU) to low-enriched uranium (LEU). After 2017, the State Office for Nuclear Safety (SUJB) asked CVR to evaluate the LVR-15 under Design Extended Conditions B (DEC-B). For this reason, a new model was developed in the MELCOR code, which allows for modelling the progression of a severe accident (SA) in light-water nuclear power plants and estimating the behaviour of the reactor under SA conditions. The model was built by collecting information about the LVR-15. Since the research reactor can have different core configurations according to the location of the core components, the core configuration with the most fuel (hottest campaign K221) was selected. Then, to create the radial nodalisation, the details of the core components were obtained and grouped in five radial rings and 27 axial levels. The simulation was run with the boundary conditions collected from campaign K221, and the results were compared with the reference values of the campaign with a negligible percentage of error. For the coolant inlet and outlet temperature, the reference values were 318.18 K and 323.5 K, respectively, while for the simulation, the steady state reached 319 K for the inlet temperature and 324 K for the outlet temperature. Additionally, the cladding temperature of the hottest assembly was compared with the reference value (353.72 K) and the steady-state simulation results (362 K). In future work, different transients leading to severe accidents will be simulated. When simulating the LVR-15 reactor with MELCOR, specific attention is required for the aluminium-cladded fuel assemblies, as the model requires some assumptions to cope with the phenomenological limitations. Full article
(This article belongs to the Special Issue Advanced Technologies in Nuclear Engineering)
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12 pages, 2366 KiB  
Article
RFP-MSR Hybrid Reactor Model for Tritium Breeding and Actinides Transmutation †
by Stefano Murgo, Chiara Bustreo, Marco Ciotti, Guglielmo Lomonaco, Francesco Paolo Orsitto, Roberto Piovan, Nicola Pompeo, Giovanni Ricco, Marco Ripani and Fabio Panza
Energies 2024, 17(12), 2934; https://doi.org/10.3390/en17122934 - 14 Jun 2024
Viewed by 607
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 [...] Read more.
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. Full article
(This article belongs to the Special Issue Advanced Technologies in Nuclear Engineering)
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