Advancements in DEMO WCLL breeding blanket design and integration

Gaetano Bongiovì, Pietro Alessandro Di Maio, Pietro Arena, Moro, Tarallo, Giannetti, Mozzillo, Martelli, Eboli, Marinari, Mariano, Tassone, Rosaria Villari, Alessandro Del Nevo, Giuseppe Di Gironimo, Del Nevo, Caruso, Villari

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59 Citazioni (Scopus)


The water-cooled lithium-lead breeding blanket is a candidate option for the European Demonstration Power Plant (DEMO) nuclear fusion reactor. This breeding blanket concept relies on the liquid lithium-lead as breeder-multiplier, pressurized water as coolant, and EUROFER as structural material. The current design is based on DEMO 2015 specifications and represents the follow-up of the design developed in 2015. The single-module-segment approach is employed. This is constituted by a basic geometry repeated along the poloidal direction. The power is removed by means of radial-toroidal (i.e., horizontal) water cooling tubes in the breeding zone. The lithium-lead flows in a radial-poloidal direction. On the back of the segment, a 100-mm-thick plate is in charge of withstanding the loads due to normal operation and selected postulated initiating events. Water and lithium-lead manifolds are designed and integrated with a consistent primary heat transport system, based on a reliable pressurized water reactor operating experience, and the lithium-lead system. Rationale and features of the single-module-segment water-cooled lithium-lead breeding blanket design are discussed and supported by thermo-mechanic, thermo-hydraulic, and neutronic analyses. Preliminary integration with the primary heat transfer system, the energy storage system, and the balance of plant is briefly discussed. Open issues, areas of research, and development needs are finally pointed out. @EUROfusion Consortium
Lingua originaleEnglish
pagine (da-a)27-52
Numero di pagine26
RivistaInternational Journal of Energy Research
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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