Beams Document 3471-v1

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Superconducting magnets for fusion application

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Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
13 Oct 2009, 17:07
Contents Revised:
13 Oct 2009, 17:07
Metadata Revised:
13 Oct 2009, 17:18
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Since its discovery in 1911, superconductivity has played an increasingly important role in different fields especially for magnet technology. The non-resistive characteristic of superconducting materials makes them very attractive to achieve performances too demanding for conventional resistive materials. Despite superconductivity being a common characteristic of many metals, only a few of them are suitable for magnet applications requiring a balance between the difficulty and operability of the system itself and its overall cost.

In this talk, salient characteristics of superconductivity and its applications will be discussed with particular focus on magnets for fusion energy. In this application, large superconducting magnets will play a central role in the success of the International Thermonuclear Experimental Reactor (ITER) and for the future of fusion energy.

Cable-in-conduit conductors (CICC) will be used for the ITER magnets. As a CICC is energized, electromagnetic forces accumulate across the conductor, pressing strands transversely against one side of the conduit. Experimental methods employed to study the mechanical characteristics of superconducting materials will be presented and discussed.

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