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Development of a composite superconductor (Design-M) for research and development programs of the Large Helical Device

O. Kasuu, S. Saito, Y. Yamada, M. Nagata, O. Motojima1993年Fusion Engineering and DesignIF 1.7出版社

AbstractThe composite superconductor called Design-M for the TOKI-MC has been designed as part of a chain of research and development programs. The conductor must be conductive to the requirements of electrical and mechanical properties. The designed conductor can be divided into three main parts: a five-layered and compacted superconducting cable, four copper-clad 5-nines pure aluminum stabilizers and a half-hard copper sheath. These parts are soldered together. The surface of the copper sheath is coated with copper oxide to assist heat transfer toward liquid helium. The operating current is designed to be 20 kA in a magnetic field of 8 T at a temperature of 4.2 K. The conductor has been manufactured in total lengths of about 900 m, and approximately 2000 kg in weight. Technical improvements have been made and production facilities for assembly have been set up for mass-scale production. Electrical and mechanical properties have been investigated.

日本語訳

TOKI-MC用の複合超伝導体であるDesign-Mは、一連の研究開発プログラムの一環として設計された。この導体は、電気的および機械的特性の要件を満たすものでなければならない。設計された導体は、主に3つの部分に分けられる:5層で圧縮された超伝導ケーブル、4本の銅被覆5ナイン純アルミニウム安定化材、および半硬質銅シースである。これらの部分ははんだ付けされている。銅シースの表面は、液体ヘリウムへの熱伝達を助けるために酸化銅で被覆されている。動作電流は、磁場8 T、温度4.2 Kにおいて20 kAに設計されている。この導体は、全長約900 m、重量約2000 kgで製造されている。技術的改良が行われ、量産規模の生産のための組み立て用生産設備が設置されている。電気的および機械的特性が調査されている。

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lhd高精度(タイトル一致)

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Helical device
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