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Design and Structural Analysis for the Vacuum Vessel of Superconducting Tokamak JT-60SC

Y. Kudo, S. Sakurai, K. Masaki, K. Urata, T. Sasajima, M. Matsukawa, A. Sakasai, S. Ishida

Fusion Science and Technology / Volume 44 / Number 2 / September 2003 / Pages 333-337

Technical Paper / Fusion Energy - Chamber Technology /

A modification of the JT-60 is planned to be a superconducting tokamak (JT-60SC) in order to establish steady-state operation of high beta plasma for 100 s, and to ensure the applicability of ferritic steel as a reduced activation material for reactor relevant break-even class plasmas. This paper describes the detailed design of the vacuum vessel, which has a unique structure for cost effective manufacturing, as well as structural analysis results for a feasibility study.

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