11–15 Apr 2016
Italy
Europe/Zurich timezone
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Analysis of the requirements for the quench protection in the 16 T Nb3Sn dipole designs

13 Apr 2016, 14:10
20m
Adriano (Crowne Plaza)

Adriano

Crowne Plaza

Oral Superconducting Magnets 16T dipole development: Protection

Speaker

Tiina Salmi (Tampere University of Technology, Finland)

Description

The EuroCirCol collaboration is designing a 16 T Nb3Sn dipole that can be used as the main bending magnet in a 100 km long 100 TeV hadron collider. For economic reasons, the magnets need to be as compact as possible, requiring optimization of the cable cross section in different magnetic field regions. This leads to very high stored energy density in the coil and poses serious challenges for the magnet protection in case of a quench, i.e., sudden loss of superconductivity in the winding. The magnet design therefore must account for the limitations set by quench protection from the earliest stages of the design. In this paper we describe how the aspect of quench protection has been accounted in the process of developing different options for the 16 T dipole designs. We discuss how the various magnet design parameters were analyzed, their impact to the estimated maximum temperature after a quench, as well as the assumptions for the efficiency of possible quench protection systems. Finally we summarize the requirements that the quench protection system must have in order to reliably protect the designed magnets.

Author

Tiina Salmi (Tampere University of Technology, Finland)

Co-authors

Antti Aleksis Stenvall Arjan Verweij (CERN) Bernhard Auchmann (CERN) Clement Lorin (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR)) Daniel Schoerling (CERN) Davide Tommasini (CERN) Fernando Toral (Centro de Investigaciones Energ. Medioambientales y Tecn. - (ES) Marco Prioli (CERN) Maria Durante Massimo Sorbi (Universita degli Studi di Milano) Pasquale Fabbricatore (INFN) Stefania Farinon (Universita e INFN Genova (IT)) Vittorio Marinozzi (University of Milan / INFN)

Presentation materials