Conceptual Design of the Steam Generators for the EU DEMO WCLL Reactor

Amelia Tincani (), Cristiano Ciurluini, Alessandro Del Nevo, Fabio Giannetti, Andrea Tarallo, Claudio Tripodo, Antonio Cammi, Alessandra Vannoni, Marica Eboli, Tommaso Del Moro, Pierdomenico Lorusso and Luciana Barucca
Additional contact information
Amelia Tincani: ENEA, Department of Fusion and Nuclear Safety Technology, 40139 Bologna, Italy
Cristiano Ciurluini: Department of Astronautical, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, C.so Vittorio Emanuele II 244, 00186 Rome, Italy
Alessandro Del Nevo: ENEA, Department of Fusion and Nuclear Safety Technology, 40032 Camugnano, Italy
Fabio Giannetti: Department of Astronautical, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, C.so Vittorio Emanuele II 244, 00186 Rome, Italy
Andrea Tarallo: CREATE Consortium, University of Naples Federico II, 80125 Napoli, Italy
Claudio Tripodo: Department of Energy, Nuclear Engineering Division (CeSNEF), Politecnico di Milano, Via La Masa 34, 20156 Milano, Italy
Antonio Cammi: Department of Energy, Nuclear Engineering Division (CeSNEF), Politecnico di Milano, Via La Masa 34, 20156 Milano, Italy
Alessandra Vannoni: Department of Astronautical, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, C.so Vittorio Emanuele II 244, 00186 Rome, Italy
Marica Eboli: ENEA, Department of Fusion and Nuclear Safety Technology, 40032 Camugnano, Italy
Tommaso Del Moro: Department of Astronautical, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, C.so Vittorio Emanuele II 244, 00186 Rome, Italy
Pierdomenico Lorusso: ENEA, Department of Fusion and Nuclear Safety Technology, 00044 Frascati, Italy
Luciana Barucca: Ansaldo Nucleare, Via N. Lorenzi 8, 16152 Genova, Italy

Energies, 2023, vol. 16, issue 6, 1-11

Abstract: In the framework of the EUROfusion Horizon Europe Programme, ENEA and its linked third parties are in charge of the conceptual design of the steam generators belonging to EU DEMO WCLL Breeding Blanket Primary Heat Transfer Systems (BB PHTSs). In particular, in 2021, design activities and supporting numerical simulations were carried out in order to achieve a feasible and robust preliminary concept design of the Once Through Steam Generators (OTSGs), selected as reference technology for the DEMO Balance of Plant at the end of the Horizon 2020 Programme. The design of these components is very challenging. In fact, the steam generators have to deliver the thermal power removed from the two principal blanket subsystems, i.e., the First Wall (FW) and the Breeding Zone (BZ), to the Power Conversion System (PCS) for its conversion into electricity, operating under plasma pulsed regime and staying in dwell period at a very low power level (decay power). Consequently, the OTSG stability and control represent a key point for these systems’ operability and the success of a DEMO BoP configuration with direct coupling between the BB PHTS and the PCS. In this paper, the authors reported and critically discussed the FW and BZ steam generators’ thermal-hydraulic and mechanical design, the developed 3D CAD models, as well as the main results of the stability analyses and the control strategy to be adopted.

Keywords: DEMO; WCLL balance of plant; power plant; steam generator; fusion technologies (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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