Status of HCCR TBM program for DEMO blanket

Seungyon Cho, Mu Young Ahn, Young Bum Chun, Hyoseong Gwon, Hyung Gon Jin, Bum Seok Kim, Chang Shuk Kim, Jong Il Kim, Suk Kwon Kim, Duck Young Ku, Cheol Woo Lee, Dong Won Lee, Eo Hwak Lee, Hyeong Yeon Lee, Youngmin Lee, Seong Dae Park, Soon Chang Park, Yi Hyun Park, Chang Wook Shin, Seok Kwon SonJae Sung Yoon, Sunghwan Yun

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Development of the Helium Cooled Ceramic Reflector (HCCR) breeding blanket is underway according to the development strategy of core technology for K-DEMO under the fusion energy development roadmap in Korea. The main goals are to validate integrated design tools and to develop core technologies in the field of materials, manufacturing and joining technologies, helium cooling and tritium technologies, system integration, and safety technologies. A unique graphite reflector concept was adopted to save cost by reducing the amount of beryllium neutron multiplier. The main functions and design concepts of the HCCR breeding blanket are to be verified in ITER through the HCCR Test Blanket Module (TBM) program. Not only breeder modules are to be tested in ITER but also the technologies of cooling, coolant purification, tritium extraction, etc. are to be tested or proved in ITER before employed in DEMO. This paper introduces the current updates of the design and R&D activities of the HCCR TBM systems in the preliminary design stage.

Original languageEnglish
Article number112553
JournalFusion Engineering and Design
Volume171
DOIs
StatePublished - Oct 2021

Keywords

  • Advanced Reduced Activation Alloy (ARAA)
  • Breeding blanket
  • Helium Cooled Ceramic Reflector (HCCR)
  • Test Blanket Module (TBM)
  • Test Blanket Systems (TBS)

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