Overview of the HCPB Research Activities in EUROfusion

Gandolfo Alessandro Spagnuolo, Bradut E. Ghidersa, Heiko Neuberger, Frederik Arbeiter, Petr Kurinskiy, Sebastian Ruck, Rolf Rolli, Matthias. H. H. Kolb, Xue Z. Jin, Oliver Leys, Francisco A. Hernández, Marigrazia Moscardini, Simone Pupeschi, Guangming Zhou, Gandolfo A. Spagnuolo, Gabor Nádasi, Bela Kiss, Maria González, Ivan A. Maione, Christian ZeileRegina Knitter, Pavel Pereslavtsev, Ion Cristescu, Lorenzo V. Boccaccini, Vladimir P. Chakin, Marc Kamlah, Wolfgang Hering, Pavel V. Vladimirov, Teresa Hernández, Evaldas Bubelis

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

In the framework of the EUROfusion's Power Plant Physics and Technology, the working package breeding blanket (BB) aims at investigating four different BB concepts for an EU demonstration fusion reactor (DEMO). One of these concepts is the helium-cooled pebble bed (HCPB) BB, which is based on the use of pebble beds of lithiated ternary compounds and Be or beryllides as tritium breeder and multiplier materials, respectively, EUROFER97 as structural steel and He as coolant. This paper aims at giving an overview of the EU HCPB BB Research and Development (RD) being developed at KIT, in collaboration with Wigner-RCP, BUTE-INT, and CIEMAT. The paper gives an outline of the HCPB BB design evolution, state-of-the-art basic functionalities, requirements and performances, and the associated RD activities in the areas of design, functional materials, manufacturing, and testing. In addition, attention is given also to the activities dedicated to the development of heat transfer augmentation techniques for the first wall and the corresponding testing. Due to their nature as design drivers, a brief overview in the RD of key HCPB interfacing areas is given as well, namely, the tritium extraction and recovery system, the primary heat transfer and power conversion systems, and safety topics, as well as some specific activities regarding the integration of in-vessel systems through the BB. As concluding remarks, an outline of the standing challenges and future RD plans is summarized.
Original languageEnglish
Pages (from-to)2247-2261
Number of pages15
JournalIEEE Transactions on Plasma Science
Volume46
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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