Hydraulic Characterization of the Full Scale Mock-Up of the DEMO Divertor Outer Vertical Target

Amelia Tincani, Francesca Maria Castrovinci, Moreno Cuzzani, Pietro Alessandro Di Maio, Ivan Di Piazza, Daniele Martelli, Giuseppe Mazzone, Andrea Quartararo, Eugenio Vallone and Jeong-Ha You
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Amelia Tincani: ENEA FSN-ING CR Brasimone, Camugnano, 40032 Bologna, Italy
Francesca Maria Castrovinci: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
Moreno Cuzzani: ENEA FSN-ING CR Brasimone, Camugnano, 40032 Bologna, Italy
Pietro Alessandro Di Maio: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
Ivan Di Piazza: ENEA FSN-ING CR Brasimone, Camugnano, 40032 Bologna, Italy
Daniele Martelli: ENEA FSN-ING CR Brasimone, Camugnano, 40032 Bologna, Italy
Giuseppe Mazzone: Department of Fusion and Technology for Nuclear Safety and Security, ENEA C. R. Frascati, Via E. Fermi 45, Frascati, 00044 Roma, Italy
Andrea Quartararo: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
Eugenio Vallone: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy
Jeong-Ha You: Max Planck Institute of Plasma Physics (E2M), Boltzmann Str. 2, 85748 Garching, Germany

Energies, 2021, vol. 14, issue 23, 1-17

Abstract: In the frame of the pre-conceptual design activities of the DEMO work package DIV-1 “Divertor Cassette Design and Integration” of the EUROfusion program, a mock-up of the divertor outer vertical target (OVT) was built, mainly in order to: (i) demonstrate the technical feasibility of manufacturing procedures; (ii) verify the hydraulic design and its capability to ensure a uniform and proper cooling for the plasma facing units (PFUs) with an acceptable pressure drop; and (iii) experimentally validate the computational fluid-dynamic (CFD) model developed by the University of Palermo. In this context, a research campaign was jointly carried out by the University of Palermo and ENEA to experimentally and theoretically assess the hydraulic performances of the OVT mock-up, paying particular attention to the coolant distribution among the PFUs and the total pressure drop across the inlet and outlet sections of the mock-up. The paper presents the results of the steady-state hydraulic experimental test campaign performed at ENEA Brasimone Research Center as well as the relevant numerical analyses performed at the Department of Engineering at the University of Palermo. The test facility, the experimental apparatus, the test matrix and the experimental results, as well as the theoretical model, its assumptions, and the analyses outcomes are herewith reported and critically discussed.

Keywords: DEMO; divertor; plasma facing components; thermal hydraulics (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: 2021
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