Design and Integration of the EU-DEMO Water-Cooled Lead Lithium Breeding Blanket

Pietro Arena (), Gaetano Bongiovì, Ilenia Catanzaro, Cristiano Ciurluini, Aldo Collaku, Alessandro Del Nevo, Pietro Alessandro Di Maio, Matteo D’Onorio, Fabio Giannetti, Vito Imbriani, Pietro Maccari, Lorenzo Melchiorri, Fabio Moro, Rocco Mozzillo, Simone Noce, Laura Savoldi, Simone Siriano, Alessandro Tassone and Marco Utili
Additional contact information
Pietro Arena: ENEA, Department of Fusion and Nuclear Safety Technology, C.R. Brasimone, 40032 Camugnano, Italy
Gaetano Bongiovì: Department of Engineering, University of Palermo, Viale delle Scienze, Edificio 6, 90128 Palermo, Italy
Ilenia Catanzaro: Department of Engineering, University of Palermo, Viale delle Scienze, Edificio 6, 90128 Palermo, Italy
Cristiano Ciurluini: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Aldo Collaku: MAHTEP Group, Department of Energy “Galileo Ferraris”, Politecnico of Turin, 10129 Turin, Italy
Alessandro Del Nevo: ENEA, Department of Fusion and Nuclear Safety Technology, C.R. Brasimone, 40032 Camugnano, Italy
Pietro Alessandro Di Maio: Department of Engineering, University of Palermo, Viale delle Scienze, Edificio 6, 90128 Palermo, Italy
Matteo D’Onorio: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Fabio Giannetti: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Vito Imbriani: CREATE, Department of Industrial Engineering, University of Naples Federico II, 80125 Naples, Italy
Pietro Maccari: ENEA, Department of Fusion and Nuclear Safety Technology, C.R. Brasimone, 40032 Camugnano, Italy
Lorenzo Melchiorri: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Fabio Moro: ENEA, Department of Fusion and Nuclear Safety Technology, C.R. Frascati, 00044 Frascati, Italy
Rocco Mozzillo: CREATE, Engineering School, Basilicata University, 85100 Potenza, Italy
Simone Noce: Industrial Engineering Department, University of Rome Tor Vergata, 00133 Rome, Italy
Laura Savoldi: MAHTEP Group, Department of Energy “Galileo Ferraris”, Politecnico of Turin, 10129 Turin, Italy
Simone Siriano: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Alessandro Tassone: DIAEE Department, Sapienza University of Rome, 00186 Rome, Italy
Marco Utili: ENEA, Department of Fusion and Nuclear Safety Technology, C.R. Brasimone, 40032 Camugnano, Italy

Energies, 2023, vol. 16, issue 4, 1-27

Abstract: The water-cooled lead lithium breeding blanket (WCLL BB) is one of two BB candidate concepts to be chosen as the driver blanket of the EU-DEMO fusion reactor. Research activities carried out in the past decade, under the umbrella of the EUROfusion consortium, have allowed a quite advanced reactor architecture to be achieved. Moreover, significant efforts have been made in order to develop the WCLL BB pre-conceptual design following a holistic approach, identifying interfaces between components and systems while respecting a system engineering approach. This paper reports a description of the current WCLL BB architecture, focusing on the latest modifications in the BB reference layout aimed at evolving the design from its pre-conceptual version into a robust conceptual layout. In particular, the main rationale behind design choices and the BB’s overall performances are highlighted. The present paper also gives an overview of the integration between the BB and the different in-vessel systems interacting with it. In particular, interfaces with the tritium extraction and removal (TER) system and the primary heat transfer system (PHTS) are described. Attention is also paid to auxiliary systems devoted to heat the plasma, such as electron cyclotron heating (ECH). Indeed, the integration of this system in the BB will strongly impact the segment design since it envisages the introduction of significant cut-outs in the BB layout. A preliminary CAD model of the central outboard blanket (COB) segment housing the ECH cut-out has been set up and is reported in this paper. The chosen modeling strategy, adopted loads and boundary conditions, as well as obtained results, are reported in the paper and critically discussed.

Keywords: DEMO; WCLL; breeding blanket; integration (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
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