Structural Analysis of Thermal Shields During a Quench of a Torus Magnet for the 12 GeV Upgrade

A toroidal magnet system consisting of six superconducting coils is being built for the Jefferson Lab 12 GeV accelerator upgrade project. This paper details the analysis of eddy current effects during a quench event on the aluminum thermal shield. The shield has been analyzed for mechanical stresses...

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Veröffentlicht in:	IEEE Trans.Appl.Supercond 2015-06, Vol.25 (3), p.1-4
Hauptverfasser:	Pastor, O., Willard, T., Ghoshal, P. K., Kashy, D., Wiseman, M., Kashikhin, V. S., Young, G., Elouadrhiri, L., Rode, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	3D simulations Coils eddy current Eddy current, Lorentz forces, protection circuit, quench, SSC cable, superconducting magnet, torus, 3D simulations Eddy currents Lorentz forces Magnetic noise Magnetic shielding Magnetomechanical effects PARTICLE ACCELERATORS protection circuit quench SSC cable Stress Superconducting magnet Superconducting magnets torus
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Beschreibung
Zusammenfassung:	A toroidal magnet system consisting of six superconducting coils is being built for the Jefferson Lab 12 GeV accelerator upgrade project. This paper details the analysis of eddy current effects during a quench event on the aluminum thermal shield. The shield has been analyzed for mechanical stresses induced as a result of a coil quench as well as a fast discharge of the complete magnet system. The shield has been designed to reduce the eddy current effects and result in stresses within allowable limits.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2014.2371820