A 2-m-long single-aperture dipole demonstrator and two 1-m-long single-aperture models based on Nb3Sn superconductor have been built and tested at FNAL. The two 1-m-long collared coils were then assembled in a twin-aperture Nb3Sn dipole demonstrator compatible with the LHC main dipole and tested in two thermal cycles. This paper summarizes the quench performance of the FNAL twin-aperture Nb3Sn 11 T dipole in the temperature range of 1.9-4.5 K. The results of magnetic measurements for one of the two apertures are also presented. Test results are compared to the performance of coils in a single-aperture configuration. A summary of quench propagation studies in both apertures is given.

Quench performance and field quality of FNAL twin-aperture 11 T Nb3Sn dipole model for LHC upgrades / S. Stoynev, N. Andreev, G. Apollinari, B. Auchmann, E. Barzi, S.I. Bermudez, R. Bossert, G. Chlachidze, J. Dimarco, M. Karppinen, A. Nobrega, I. Novitski, L. Rossi, F. Savary, D. Smekens, T. Strauss, D. Turrioni, G.V. Velev, A.V. Zlobin. - In: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY. - ISSN 1051-8223. - 27:4(2017), pp. 7776837.1-7776837.5.

Quench performance and field quality of FNAL twin-aperture 11 T Nb3Sn dipole model for LHC upgrades

L. Rossi;
2017

Abstract

A 2-m-long single-aperture dipole demonstrator and two 1-m-long single-aperture models based on Nb3Sn superconductor have been built and tested at FNAL. The two 1-m-long collared coils were then assembled in a twin-aperture Nb3Sn dipole demonstrator compatible with the LHC main dipole and tested in two thermal cycles. This paper summarizes the quench performance of the FNAL twin-aperture Nb3Sn 11 T dipole in the temperature range of 1.9-4.5 K. The results of magnetic measurements for one of the two apertures are also presented. Test results are compared to the performance of coils in a single-aperture configuration. A summary of quench propagation studies in both apertures is given.
Accelerator magnets; large hadron collider; magnet design; magnetic measurements; quench performance; superconducting coils; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Electrical and Electronic Engineering
Settore FIS/01 - Fisica Sperimentale
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/621036
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