Status of ceramic breeder pebble bed thermo-mechanics R&D and impact on breeder material mechanical strength

Pietro Alessandro Di Maio, Yixiang Gan, Ratna Kumar Annabattula, Hisashi Tanigawa, Sander Van Til, Jon T. Van Lew, Jörg Reimann, Lida Magielsen, Dell'Orco, Regina Knitter, Lorenzo Boccaccini, Marc Kamlah, Mikio Enoeda, Jaap G. Van Der Laan, Alice Ying, P.A. Di Maio

Risultato della ricerca: Articlepeer review

50 Citazioni (Scopus)


Among the international fusion solid breeder blanket community, there exists steady progress on the experimental, phenomenological, and numerical characterizations of the pebble bed effective thermo physical and mechanical properties, and of thermomechanic state of the bed under prototypical operating conditions. This paper summarizes recent achievements in pebble bed thermomechanics that were carried out by members of the IEA Fusion Nuclear Technology Subtask I Solid Breeding Blanket. A major goal is on developing predictive capability while identifying a pre-conditioned equilibrium stress state that would warrant pebble bed integrity during operations. The paper reviews and synthesizes existing computational modeling approaches for pebble bed thermomechanics prediction, and differentiating points of convergence/divergence among existing approaches. The progress toward modeling benchmark is also discussed. These advancements have led to a framework to help navigate future research.
Lingua originaleEnglish
pagine (da-a)1130-1137
Numero di pagine8
RivistaFusion Engineering and Design
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • ???subjectarea.asjc.2500.2500???
  • Mechanical Engineering

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