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Title: Measurements of Dynamic Effects in FNAL 11 T Nb 3Sn Dipole Models

Fermilab, in collaboration with CERN, has developed a twin-aperture 11 T Nb 3Sn dipole suitable for the high-luminosity LHC upgrade. During 2012-2014, a 2-m long single-aperture dipole demonstrator and three 1-m long single-aperture dipole models were fabricated by FNAL and tested at its Vertical Magnet Test Facility. Collared coils from two of the 1-m long models were then used to assemble the first twin-aperture dipole demonstrator. This magnet had extensive testing in 2015-2016, including quench performance, quench protection, and field quality studies. Here, this paper reports the results of measurements of persistent current effects in the single-aperture and twin-aperture 11 T Nb 3Sn dipoles and compares them with similar measurements in previous NbTi magnets
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Report Number(s):
FERMILAB-CONF-17-341-TD
Journal ID: ISSN 1051-8223; 1635146
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Applied Superconductivity
Additional Journal Information:
Journal Volume: PP; Journal Issue: 99; Conference: 25th International Conference on Magnet Technology, Amsterdam (Netherlands), 27 Aug - 1 Sep 2017; Journal ID: ISSN 1051-8223
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; Accelerator Magnets; Decay and Snap-back; Persistent Currents; Superconducting Magnets
OSTI Identifier:
1408208

Velev, Gueorgui, Strauss, Thomas, Barzi, Emanuela, Chlachidze, Guram, DiMarco, Joseph, Nobrega, Alfred, Novitski, Igor, Stoynev, Stoyan Emilov, Turrioni, Daniele, and Zlobin, Alexander. Measurements of Dynamic Effects in FNAL 11 T Nb3Sn Dipole Models. United States: N. p., Web. doi:10.1109/TASC.2018.2791957.
Velev, Gueorgui, Strauss, Thomas, Barzi, Emanuela, Chlachidze, Guram, DiMarco, Joseph, Nobrega, Alfred, Novitski, Igor, Stoynev, Stoyan Emilov, Turrioni, Daniele, & Zlobin, Alexander. Measurements of Dynamic Effects in FNAL 11 T Nb3Sn Dipole Models. United States. doi:10.1109/TASC.2018.2791957.
Velev, Gueorgui, Strauss, Thomas, Barzi, Emanuela, Chlachidze, Guram, DiMarco, Joseph, Nobrega, Alfred, Novitski, Igor, Stoynev, Stoyan Emilov, Turrioni, Daniele, and Zlobin, Alexander. 2018. "Measurements of Dynamic Effects in FNAL 11 T Nb3Sn Dipole Models". United States. doi:10.1109/TASC.2018.2791957.
@article{osti_1408208,
title = {Measurements of Dynamic Effects in FNAL 11 T Nb3Sn Dipole Models},
author = {Velev, Gueorgui and Strauss, Thomas and Barzi, Emanuela and Chlachidze, Guram and DiMarco, Joseph and Nobrega, Alfred and Novitski, Igor and Stoynev, Stoyan Emilov and Turrioni, Daniele and Zlobin, Alexander},
abstractNote = {Fermilab, in collaboration with CERN, has developed a twin-aperture 11 T Nb3Sn dipole suitable for the high-luminosity LHC upgrade. During 2012-2014, a 2-m long single-aperture dipole demonstrator and three 1-m long single-aperture dipole models were fabricated by FNAL and tested at its Vertical Magnet Test Facility. Collared coils from two of the 1-m long models were then used to assemble the first twin-aperture dipole demonstrator. This magnet had extensive testing in 2015-2016, including quench performance, quench protection, and field quality studies. Here, this paper reports the results of measurements of persistent current effects in the single-aperture and twin-aperture 11 T Nb3Sn dipoles and compares them with similar measurements in previous NbTi magnets},
doi = {10.1109/TASC.2018.2791957},
journal = {IEEE Transactions on Applied Superconductivity},
number = 99,
volume = PP,
place = {United States},
year = {2018},
month = {1}
}