Developments and high heat flux tests of divertor components for LHD

Y. Kubota, N. Noda, A. Sagara, R. Sakamoto, O. Motojima, I. Fujita, T. Hino, T. Yamashina, Kazutoshi Tokunaga, N. Yoshida

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To develop the divertor plates for the large helical device (LHD), several kinds of brazed modules (BM) and mechanical jointed modules (MJM) have been fabricated and their thermal properties evaluated using an electron beam facility. The MJM and BM will be used as divertor plates in low heat flux ( ≈ 5 MW m-2) and high heat flux ( ≈ 10 MW m-2) phases, respectively. Results of the high heat flux tests indicate that some types of BMs satisfy the requirements for the divertor plates. For MJM, the efforts to improve the thermal properties are now being made so as to satisfy the divertor plate requirements. To optimize the design and assembly procedures, divertor mockups of the MJM have been fabricated and installed inside a vacuum vessel mock-up of LHD. The developments of these divertor components and the results of the high heat flux tests are reviewed.

元の言語英語
ページ(範囲)247-252
ページ数6
ジャーナルFusion Engineering and Design
39-40
DOI
出版物ステータス出版済み - 9 1 1998

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

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    Kubota, Y., Noda, N., Sagara, A., Sakamoto, R., Motojima, O., Fujita, I., Hino, T., Yamashina, T., Tokunaga, K., & Yoshida, N. (1998). Developments and high heat flux tests of divertor components for LHD. Fusion Engineering and Design, 39-40, 247-252. https://doi.org/10.1016/S0920-3796(98)00109-4